WO2026025998A1

WO2026025998A1 - Lp-wus monitoring

Info

Publication number: WO2026025998A1
Application number: PCT/CN2025/087283
Authority: WO
Inventors: Jie Hu; Jing HAN; Luning Liu; Haiming Wang
Original assignee: Lenovo Beijing Ltd
Current assignee: Lenovo Beijing Ltd
Priority date: 2025-04-03
Filing date: 2025-04-03
Publication date: 2026-02-05
Anticipated expiration: 2027-10-03

Abstract

Various aspects of the present disclosure relate to low power wake up signal (LP-WUS) monitoring. In an aspect, a user equipment (UE) receives a first configuration for cell discontinuous transmission (DTX) and a second configuration for a LP-WUS from the base station. The UE determines to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition.

Description

LP-WUS MONITORING

TECHNICAL FIELD

The present disclosure relates to wireless communications, and more specifically to low power wake up signal (LP-WUS) monitoring.

BACKGROUND

A wireless communications system may include one or multiple network communication devices, such as base stations (BSs) , which may be otherwise known as an eNodeB (eNB) , a next-generation NodeB (gNB) , or other suitable terminology. Each network communication devices, such as a base station may support wireless communications for one or multiple user communication devices, which may be otherwise known as user equipment (UE) , or other suitable terminology. The wireless communications system may support wireless communications with one or multiple user communication devices by utilizing resources of the wireless communication system (e.g., time resources (e.g., symbols, slots, subframes, frames, or the like) or frequency resources (e.g., subcarriers, carriers) . Additionally, the wireless communications system may support wireless communications across various radio access technologies including third generation (3G) radio access technology, fourth generation (4G) radio access technology, fifth generation (5G) radio access technology, among other suitable radio access technologies beyond 5G (e.g., sixth generation (6G) ) .

The LP-WUS and low power wake up receiver (LP-WUR) are introduced in 5G network, which has been considered as one of candidate techniques for 6G UE energy saving in latest discussions. For a UE equipped with LP-WUR (LR) , the main radio (MR) may be in a sleep state while the LR remains active to monitor the LP-WUS. When a LP-WUS is received by the LR, it will trigger the MR to wake up to monitor paging in RRC_IDLE/INACTIVE state or monitor physical downlink control channel (PDCCH) in RRC-CONNECTED mode. There are some issues associated with the LP-WUS monitoring to be addressed.

SUMMARY

The present disclosure relates to methods, apparatuses, and systems that support LP-WUS monitoring.

Some implementations of the method and apparatuses described herein include, receiving, from a base station, a first configuration for cell discontinuous transmission (DTX) and a second configuration for a low power wake up signal (LP-WUS) , and determining to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition.

Some implementations of the method and apparatuses described herein may further include determining to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition by: determining to perform the LP-WUS monitoring within the LO or MO in the case that the LO or MO is within the first time duration, and determining not to perform the LP-WUS monitoring within the LO or MO in the case that the LO or MO is within the second time duration or the third time duration.

Some implementations of the method and apparatuses described herein may further include determining to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition by: determining to perform the LP-WUS monitoring within the LO or MO in the case that the active duration triggered by the LP-WUS received in the LO or MO is overlapped with the active duration of the cell DTX, and determining not to perform the LP-WUS monitoring within the LO or MO in the case that the active duration triggered by the LP-WUS received in the LO or MO is not overlapped with the active duration of the cell DTX or fully overlapped with the inactive duration of the cell DTX.

Some implementations of the method and apparatuses described herein may further include performing the LP-WUS monitoring by: determining to perform the LP-WUS monitoring within the LO or MO in the case that an overlapping ratio between the active duration triggered by the LP-WUS and the active duration of the cell DTX is higher than a threshold.

Some implementations of the method and apparatuses described herein may further include determining to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition by: determining to perform the LP-WUS monitoring within the LO or MO in the case that the LO or MO is within the active duration of the DTX pattern for the LP-WUS, and determining not to perform the LP-WUS monitoring within the LO or MO in the case that the LO or MO is within the inactive duration of the DTX pattern for the LP-WUS.

In some implementations of the method and apparatuses described herein, the at least one condition may comprise at least one of the following: evaluating whether a LP-WUS occasion (LO) or LP-WUS monitoring occasion (MO) configured by the second configuration is within at least one time duration, evaluating whether an active duration triggered by the LP-WUS is overlapped with the active duration of the cell DTX, or evaluating whether a LO or MO configured by the second configuration is within an active duration of a DTX pattern for the LP-WUS, wherein the DTX pattern for the LP-WUS comprises an active duration and an inactive duration for LP-WUS transmission and reception.

In some implementations of the method and apparatuses described herein, the at least one time duration may comprise at least one of the following: a first time duration before a start of the active duration of the cell DTX or before an end of the inactive duration of the cell DTX, a second time duration after an end of the active duration of the cell DTX or after a start of the inactive duration of the cell DTX, or a third time duration before an end of the active duration of the cell DTX or before a start of the inactive duration of the cell DTX.

In some implementations of the method and apparatuses described herein, the at least one time duration may correspond to at least one of the following: a first timer starts at a first time duration before a start of the active duration of the cell DTX and ends when the active duration of the cell DTX starts, or starts at a first time duration before an end of the inactive duration of the cell DTX, and ends when the inactive duration of the cell DTX ends, a second timer starts when the active duration of the cell DTX ends and ends at a second time duration after an end of the active duration of the cell DTX, or starts when the inactive duration of the cell DTX starts and ends at a second time duration after an start of the inactive duration of the cell DTX, or a third timer starts at a third time duration before an end of the active duration of the cell DTX and ends when the active duration of the cell DTX ends, or starts at a third time duration before a start of the inactive duration of the cell DTX, and ends when the inactive duration of the cell DTX starts.

In some implementations of the method and apparatuses described herein, the at least one time duration may be associated with a wake up delay time or transition time of the UE in a UE capability report.

In some implementations of the method and apparatuses described herein, the DTX pattern for the LP-WUS may be activated based on at least one of the following: determining that the cell DTX is activated, receiving a radio resource control (RRC) signaling for activating the DTX pattern for the LP-WUS, or receiving a medium access control (MAC) control element (CE) for activating the DTX pattern for the LP-WUS.

In some implementations of the method and apparatuses described herein, a LP-WUS from the base station may further comprise an indication of performing a physical downlink control channel (PDCCH) monitoring when the active duration of the cell DTX starts in the case that the UE performs LP-WUS monitoring during inactive time of the cell DTX.

In some implementations of the method and apparatuses described herein, one of the following: information of the at least one condition may be received from the base station or predefined, information of the at least one time duration may be received from the base station or predefined, or information of the DTX pattern for the LP-WUS may be received from the base station or predefined.

In some implementations of the method and apparatuses described herein, one of the following: information of the DTX pattern for the LP-WUS may be received from the base station together with the first configuration in the case that the DTX pattern for the LP-WUS is associated with the cell, or information of the DTX pattern for the LP-WUS may be received from the base station together with the second configuration in the case that the DTX pattern for the LP-WUS is associated with the UE.

Some implementations of the method and apparatuses described herein include, transmitting, to a user equipment (UE) , a first configuration for cell discontinuous transmission (DTX) and a second configuration for a low power wake up signal (LP-WUS) , and determining to transmit a LP-WUS or not during an active duration or an inactive duration of the cell DTX based on at least one condition.

Some implementations of the method and apparatuses described herein may further include determining to transmit the LP-WUS or not during the active duration or the inactive duration of the cell DTX based on the at least one condition by: determining to transmit the LP-WUS within the LO or MO in the case that the LO or MO is within the first time duration, and determining not to transmit the LP-WUS within the LO or MO in the case that the LO or MO is within the second time duration or the third time duration.

Some implementations of the method and apparatuses described herein may further include determining to transmit the LP-WUS or not during the active duration or the inactive duration of the cell DTX based on the at least one condition by: determining to transmit the LP-WUS within the LO or MO in the case that the active duration triggered by the LP-WUS received in the LO or MO is overlapped with the active duration of the cell DTX, and determining not to transmit the LP-WUS within the LO or MO in the case that the active duration triggered by the LP-WUS is not overlapped with the active duration of the cell DTX or fully overlapped with the inactive duration of the cell DTX.

Some implementations of the method and apparatuses described herein may further include transmitting the LP-WUS by: transmitting the LP-WUS within the LO or MO in the case that an overlapping ratio between the active duration triggered by the LP-WUS and the active duration of the cell DTX is higher than a threshold.

Some implementations of the method and apparatuses described herein may further include determining to transmit the LP-WUS or not during an active duration or an inactive duration of the cell DTX based on at least one condition by: determining to transmit the LP-WUS within the LO or MO in the case that the LO or MO is within the active duration of the DTX pattern for the LP-WUS, and determining not to transmit the LP-WUS within the LO or MO in the case that the LO or MO is within the inactive duration of the DTX pattern for the LP-WUS.

At least one of the at least one condition, the at least one time duration, or DTX pattern for the LP-WUS is determined by the base station, some implementations of the method and apparatuses described herein may further include transmitting, to the UE, information of at least one of the at least one condition, the at least one time duration, or DTX pattern for the LP-WUS.

Some implementations of the method and apparatuses described herein may further include transmitting the information of the DTX pattern for the LP-WUS to the UE by: transmitting, to the UE, the information of the DTX pattern for the LP-WUS together with the first configuration in the case that the DTX pattern for the LP-WUS is associated with the cell, or transmitting, to the UE, the information of the DTX pattern for the LP-WUS together with the second configuration in the case that the DTX pattern for the LP-WUS is associated with the UE.

In some implementations of the method and apparatuses described herein, at least one of the at least one condition, the at least one time duration, or DTX pattern for the LP-WUS may be determined by the base station or predefined.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1A illustrates an example of a wireless communications system that supports LP-WUS monitoring in accordance with aspects of the present disclosure.

FIG. 1B illustrates schematic diagram of cell discontinuous transmission (DTX) and the LP-WUS configuration associated with aspects of the present disclosure.

FIG. 2 illustrates an example signaling chart illustrating an example process that supports LP-WUS monitoring in accordance with aspects of the present disclosure.

FIG. 3 illustrates an example of durations for LP-WUS monitoring in accordance with aspects of the present disclosure.

FIG. 4 illustrates examples of active time durations in accordance with aspects of the present disclosure.

FIG. 5 illustrates an example of cell DTX and the DTX pattern for the LP-WUS in accordance with aspects of the present disclosure.

FIG. 6 illustrate illustrates an example of a device that support LP-WUS monitoring in accordance with aspects of the present disclosure.

FIG. 7 illustrate illustrates an example of a device that support LP-WUS monitoring in accordance with aspects of the present disclosure.

FIG. 8 illustrate illustrates an example of a processor that support LP-WUS monitoring in accordance with aspects of the present disclosure.

FIG. 9 illustrate illustrates an example of a processor that support LP-WUS monitoring in accordance with aspects of the present disclosure.

FIG. 10 illustrates a flowchart of a method that supports LP-WUS monitoring in accordance with aspects of the present disclosure.

FIG. 11 illustrates a flowchart of a method that supports LP-WUS monitoring in accordance with aspects of the present disclosure.

Throughout the drawings, the same or similar reference numerals represent the same or similar elements.

DETAILED DESCRIPTION

Principles of the present disclosure will now be described with reference to some embodiments. It is to be understood that these embodiments are described only for the purpose of illustration and help those skilled in the art to understand and implement the present disclosure, without suggesting any limitation as to the scope of the disclosure. The disclosure described herein may be implemented in various manners other than the ones described below.

In the following description and claims, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skills in the art to which this disclosure belongs.

References in the present disclosure to “one embodiment, ” “an example embodiment, ” “an embodiment, ” “some embodiments, ” and the like indicate that the embodiment (s) described may include a particular feature, structure, or characteristic, but it is not necessary that every embodiment includes the particular feature, structure, or characteristic. Moreover, such phrases do not necessarily refer to the same embodiment (s) . Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to affect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It shall be understood that although the terms “first” and “second” or the like may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could also be termed as a second element, and similarly, a second element could also be termed as a first element, without departing from the scope of embodiments. As used herein, the term “and/or” includes any and all combinations of one or more of the listed terms.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms “a” , “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms “comprises” , “comprising” , “has” , “having” , “includes” and/or “including” , when used herein, specify the presence of stated features, elements, and/or components etc., but do not preclude the presence or addition of one or more other features, elements, components and/or combinations thereof.

As used herein, the term “communication network” refers to a network following any suitable communication standards, such as, 5G new radio (NR) , Long Term Evolution (LTE) , LTE-Advanced (LTE-A) , Wideband Code Division Multiple Access (WCDMA) , High-Speed Packet Access (HSPA) , Narrow Band Internet of Things (NB-IoT) , and so on. Further, the communications between a user equipment and a network device in the communication network may be performed according to any suitable generation communication protocols, including but not limited to, the first generation (1G) , the second generation (2G) , 2.5G, 2.75G, the third generation (3G) , the fourth generation (4G) , 4.5G, the fifth generation (5G) communication protocols, the sixth generation (6G) network, the next generation wireless network, and/or any other protocols either currently known or to be developed in the future. Embodiments of the present disclosure may be applied in various communication systems. Given the rapid development in communications, there will also be future type communication technologies and systems in which the present disclosure may be embodied. It should not be seen as limiting the scope of the present disclosure to only the aforementioned systems.

As used herein, the term “network device” generally refers to a node in a communication network via which a user equipment can access the communication network and receive services therefrom. The network device may refer to a base station (BS) or an access point (AP) , for example, a node B (NodeB or NB) , a radio access network (RAN) node, an evolved NodeB (eNodeB or eNB) , a NR NB (also referred to as a gNB) , a Remote Radio Unit (RRU) , a radio header (RH) , an infrastructure device for a V2X (vehicle-to-everything) communication, a transmission and reception point (TRP) , a reception point (RP) , a remote radio head (RRH) , a relay, an integrated access and backhaul (IAB) node, a low power node such as a femto a base station (BS) , a pico BS, and so forth, depending on the applied terminology and technology. The network device may further refer to a network function (NF) in the core network, for example, a SMF, an AMF, a PCF, a UPF or devices with same function in future network architectures, and so forth.

As used herein, the term “user equipment (UE) ” generally refers to any end device that may be capable of wireless communications. By way of example rather than a limitation, a user equipment may also be referred to as a communication device, a terminal device, an end user device, a subscriber station (SS) , an unmanned aerial vehicle (UAV) , a portable subscriber station, a mobile station (MS) , or an access terminal (AT) . The user equipment may include, but is not limited to, a mobile phone, a cellular phone, a smart phone, a voice over IP (VoIP) phone, a wireless local loop phone, a tablet, a wearable user equipment, a personal digital assistant (PDA) , a portable computer, a desktop computer, an image capture user equipment such as a digital camera, a gaming user equipment, a music storage and playback appliance, a vehicle-mounted wireless user equipment, a wireless endpoint, a mobile station, laptop-embedded equipment (LEE) , laptop-mounted equipment (LME) , a USB dongle, a smart device, wireless customer-premises equipment (CPE) , an Internet of Things (loT) device, a watch or other wearable, a head-mounted display (HMD) , a vehicle, a drone, a medical device (for example, a remote surgery device) , an industrial device (for example, a robot and/or other wireless devices operating in an industrial and/or an automated processing chain contexts) , a consumer electronics device, a device operating on commercial and/or industrial wireless networks, and the like. In the following description, the terms: “user equipment, ” “communication device, ” “terminal, ” “user equipment” and “UE, ” may be used interchangeably.

FIG. 1A illustrates an example of a wireless communications system 100 that supports LP-WUS monitoring in accordance with aspects of the present disclosure. The wireless communications system 100 may include one or more network entities 102 (also referred to as network equipment) , one or more UEs 104, a core network 106, and a packet data network 108. The wireless communications system 100 may support various radio access technologies. In some implementations, the wireless communications system 100 may be a 4G network, such as an LTE network or an LTE-Advanced (LTE-A) network. In some other implementations, the wireless communications system 100 may be a 5G network, such as an NR network. In other implementations, the wireless communications system 100 may be a combination of a 4G network, a 5G network, a 6G network, the next generation wireless network, and/or other suitable radio access technology including Institute of Electrical and Electronics Engineers (IEEE) 802.11 (Wi-Fi) , IEEE 802.16 (WiMAX) , IEEE 802.20. The wireless communications system 100 may support radio access technologies beyond 5G. Additionally, the wireless communications system 100 may support technologies, such as time division multiple access (TDMA) , frequency division multiple access (FDMA) , or code division multiple access (CDMA) , etc.

The one or more network entities 102 may be dispersed throughout a geographic region to form the wireless communications system 100. One or more of the network entities 102 described herein may be or include or may be referred to as a network node, a base station, a network element, a radio access network (RAN) , a base transceiver station, an access point, a NodeB, an eNodeB (eNB) , a next-generation NodeB (gNB) , or other suitable terminology. A network entity 102 and a UE 104 may communicate via a communication link 110, which may be a wireless or wired connection. For example, a network entity 102 and a UE 104 may perform wireless communication (e.g., receive signaling, transmit signaling) over a Uu interface.

A network entity 102 may provide a geographic coverage area 112 for which the network entity 102 may support services (e.g., voice, video, packet data, messaging, broadcast, etc. ) for one or more UEs 104 within the geographic coverage area 112. For example, a network entity 102 and a UE 104 may support wireless communication of signals related to services (e.g., voice, video, packet data, messaging, broadcast, etc. ) according to one or multiple radio access technologies. In some implementations, a network entity 102 may be moveable, for example, a satellite associated with a non-terrestrial network. In some implementations, different geographic coverage areas 112 associated with the same or different radio access technologies may overlap, but the different geographic coverage areas 112 may be associated with different network entities 102. Information and signals described herein may be represented using any of a variety of different technologies and techniques. For example, data, instructions, commands, information, signals, bits, symbols, and chips that may be referenced throughout the description may be represented by voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.

The one or more UEs 104 may be dispersed throughout a geographic region of the wireless communications system 100. A UE 104 may include or may be referred to as a mobile device, a wireless device, a remote device, a remote unit, a handheld device, or a subscriber device, or some other suitable terminology. In some implementations, the UE 104 may be referred to as a unit, a station, a terminal, or a client, among other examples. Additionally, or alternatively, the UE 104 may be referred to as an Internet-of-Things (IoT) device, an Internet-of-Everything (IoE) device, or machine-type communication (MTC) device, among other examples. In some implementations, a UE 104 may be stationary in the wireless communications system 100. In some other implementations, a UE 104 may be mobile in the wireless communications system 100.

The one or more UEs 104 may be devices in different forms or having different capabilities. Some examples of UEs 104 are illustrated in FIG. 1A. A UE 104 may be capable of communicating with various types of devices, such as the network entities 102, other UEs 104, or network equipment (e.g., the core network 106, the packet data network 108, a relay device, an integrated access and backhaul (IAB) node, or another network equipment) , as shown in FIG. 1A. Additionally, or alternatively, a UE 104 may support communication with other network entities 102 or UEs 104, which may act as relays in the wireless communications system 100.

A UE 104 may also be able to support wireless communication directly with other UEs 104 over a communication link 114. For example, a UE 104 may support wireless communication directly with another UE 104 over a device-to-device (D2D) communication link. In some implementations, such as vehicle-to-vehicle (V2V) deployments, vehicle-to-everything (V2X) deployments, or cellular-V2X deployments, the communication link 114 may be referred to as a sidelink. For example, a UE 104 may support wireless communication directly with another UE 104 over a PC5 interface.

A network entity 102 may support communications with the core network 106, or with another network entity 102, or both. For example, a network entity 102 may interface with the core network 106 through one or more backhaul links 116 (e.g., via an S1, N2, N2, or another network interface) . The network entities 102 may communicate with each other over the backhaul links 116 (e.g., via an X2, Xn, or another network interface) . In some implementations, the network entities 102 may communicate with each other directly (e.g., between the network entities 102) . In some other implementations, the network entities 102 may communicate with each other or indirectly (e.g., via the core network 106) . In some implementations, one or more network entities 102 may include subcomponents, such as an access network entity, which may be an example of an access node controller (ANC) . An ANC may communicate with the one or more UEs 104 through one or more other access network transmission entities, which may be referred to as a radio heads, smart radio heads, or transmission-reception points (TRPs) .

In some implementations, a network entity 102 may be configured in a disaggregated architecture, which may be configured to utilize a protocol stack physically or logically distributed among two or more network entities 102, such as an integrated access backhaul (IAB) network, an open RAN (O-RAN) (e.g., a network configuration sponsored by the O-RAN Alliance) , or a virtualized RAN (vRAN) (e.g., a cloud RAN (C-RAN) ) . For example, a network entity 102 may include one or more of a central unit (CU) , a distributed unit (DU) , a radio unit (RU) , a RAN Intelligent Controller (RIC) (e.g., a Near-Real Time RIC (Near-RT RIC) , a Non-Real Time RIC (Non-RT RIC) ) , a Service Management and Orchestration (SMO) system, or any combination thereof.

An RU may also be referred to as a radio head, a smart radio head, a remote radio head (RRH) , a remote radio unit (RRU) , or a transmission reception point (TRP) . One or more components of the network entities 102 in a disaggregated RAN architecture may be co-located, or one or more components of the network entities 102 may be located in distributed locations (e.g., separate physical locations) . In some implementations, one or more network entities 102 of a disaggregated RAN architecture may be implemented as virtual units (e.g., a virtual CU (VCU) , a virtual DU (VDU) , a virtual RU (VRU) ) .

Split of functionality between a CU, a DU, and an RU may be flexible and may support different functionalities depending upon which functions (e.g., network layer functions, protocol layer functions, baseband functions, radio frequency functions, and any combinations thereof) are performed at a CU, a DU, or an RU. For example, a functional split of a protocol stack may be employed between a CU and a DU such that the CU may support one or more layers of the protocol stack and the DU may support one or more different layers of the protocol stack. In some implementations, the CU may host upper protocol layer (e.g., a layer 3 (L3) , a layer 2 (L2) ) functionality and signaling (e.g., Radio Resource Control (RRC) , service data adaption protocol (SDAP) , Packet Data Convergence Protocol (PDCP) ) . The CU may be connected to one or more DUs or RUs, and the one or more DUs or RUs may host lower protocol layers, such as a layer 1 (L1) (e.g., physical (PHY) layer) or an L2 (e.g., radio link control (RLC) layer, medium access control (MAC) layer) functionality and signaling, and may each be at least partially controlled by the CU 160.

Additionally, or alternatively, a functional split of the protocol stack may be employed between a DU and an RU such that the DU may support one or more layers of the protocol stack and the RU may support one or more different layers of the protocol stack. The DU may support one or multiple different cells (e.g., via one or more RUs) . In some implementations, a functional split between a CU and a DU, or between a DU and an RU may be within a protocol layer (e.g., some functions for a protocol layer may be performed by one of a CU, a DU, or an RU, while other functions of the protocol layer are performed by a different one of the CU, the DU, or the RU) .

A CU may be functionally split further into CU control plane (CU-CP) and CU user plane (CU-UP) functions. A CU may be connected to one or more DUs via a midhaul communication link (e.g., F1, F1-c, F1-u) , and a DU may be connected to one or more RUs via a fronthaul communication link (e.g., open fronthaul (FH) interface) . In some implementations, a midhaul communication link or a fronthaul communication link may be implemented in accordance with an interface (e.g., a channel) between layers of a protocol stack supported by respective network entities 102 that are in communication via such communication links.

The core network 106 may support user authentication, access authorization, tracking, connectivity, and other access, routing, or mobility functions. The core network 106 may be an evolved packet core (EPC) , a 5G core (5GC) , or a 6G core (6GC) which may include a control plane entity that manages access and mobility (e.g., a mobility management entity (MME) , an access and mobility management functions (AMF) ) and a user plane entity that routes packets or interconnects to external networks (e.g., a serving gateway (S-GW) , a Packet Data Network (PDN) gateway (P-GW) , or a user plane function (UPF) ) . In some implementations, the control plane entity may manage non-access stratum (NAS) functions, such as mobility, authentication, and bearer management (e.g., data bearers, signal bearers, etc. ) for the one or more UEs 104 served by the one or more network entities 102 associated with the core network 106.

The core network 106 may communicate with the packet data network 108 over one or more backhaul links 116 (e.g., via an S1, N2, N2, or another network interface) . The packet data network 108 may include an application server 118. In some implementations, one or more UEs 104 may communicate with the application server 118. A UE 104 may establish a session (e.g., a protocol data unit (PDU) session, or the like) with the core network 106 via a network entity 102. The core network 106 may route traffic (e.g., control information, data, and the like) between the UE 104 and the application server 118 using the established session (e.g., the established PDU session) . The PDU session may be an example of a logical connection between the UE 104 and the core network 106 (e.g., one or more network functions of the core network 106) .

In the wireless communications system 100, the network entities 102 and the UEs 104 may use resources of the wireless communications system 100 (e.g., time resources (e.g., symbols, slots, subframes, frames, or the like) or frequency resources (e.g., subcarriers, carriers) ) to perform various operations (e.g., wireless communications) . In some implementations, the network entities 102 and the UEs 104 may support different resource structures. For example, the network entities 102 and the UEs 104 may support different frame structures. In some implementations, such as in 4G, the network entities 102 and the UEs 104 may support a single frame structure. In some other implementations, such as in 5G and among other suitable radio access technologies, the network entities 102 and the UEs 104 may support various frame structures (i.e., multiple frame structures) . The network entities 102 and the UEs 104 may support various frame structures based on one or more numerologies.

One or more numerologies may be supported in the wireless communications system 100, and a numerology may include a subcarrier spacing and a cyclic prefix. A first numerology (e.g., μ=0) may be associated with a first subcarrier spacing (e.g., 15 kHz) and a normal cyclic prefix. In some implementations, the first numerology (e.g., μ=0) associated with the first subcarrier spacing (e.g., 15 kHz) may utilize one slot per subframe. A second numerology (e.g., μ=1) may be associated with a second subcarrier spacing (e.g., 30 kHz) and a normal cyclic prefix. A third numerology (e.g., μ=2) may be associated with a third subcarrier spacing (e.g., 60 kHz) and a normal cyclic prefix or an extended cyclic prefix. A fourth numerology (e.g., μ=3) may be associated with a fourth subcarrier spacing (e.g., 120 kHz) and a normal cyclic prefix. A fifth numerology (e.g., μ=4) may be associated with a fifth subcarrier spacing (e.g., 240 kHz) and a normal cyclic prefix.

A time interval of a resource (e.g., a communication resource) may be organized according to frames (also referred to as radio frames) . Each frame may have a duration, for example, a 10 millisecond (ms) duration. In some implementations, each frame may include multiple subframes. For example, each frame may include 10 subframes, and each subframe may have a duration, for example, a 1 ms duration. In some implementations, each frame may have the same duration. In some implementations, each subframe of a frame may have the same duration.

Additionally or alternatively, a time interval of a resource (e.g., a communication resource) may be organized according to slots. For example, a subframe may include a number (e.g., quantity) of slots. The number of slots in each subframe may also depend on the one or more numerologies supported in the wireless communications system 100. For instance, the first, second, third, fourth, and fifth numerologies (i.e., μ=0, μ=1, μ=2, μ=3, μ=4) associated with respective subcarrier spacings of 15 kHz, 30 kHz, 60 kHz, 120 kHz, and 240 kHz may utilize a single slot per subframe, two slots per subframe, four slots per subframe, eight slots per subframe, and 16 slots per subframe, respectively. Each slot may include a number (e.g., quantity) of symbols (e.g., OFDM symbols) . In some implementations, the number (e.g., quantity) of slots for a subframe may depend on a numerology. For a normal cyclic prefix, a slot may include 14 symbols. For an extended cyclic prefix (e.g., applicable for 60 kHz subcarrier spacing) , a slot may include 12 symbols. The relationship between the number of symbols per slot, the number of slots per subframe, and the number of slots per frame for a normal cyclic prefix and an extended cyclic prefix may depend on a numerology. It should be understood that reference to a first numerology (e.g., μ=0) associated with a first subcarrier spacing (e.g., 15 kHz) may be used interchangeably between subframes and slots.

In the wireless communications system 100, an electromagnetic (EM) spectrum may be split, based on frequency or wavelength, into various classes, frequency bands, frequency channels, etc. By way of example, the wireless communications system 100 may support one or multiple operating frequency bands, such as frequency range designations FR1 (410 MHz –7.125 GHz) , FR2 (24.25 GHz –52.6 GHz) , FR3 (7.125 GHz –24.25 GHz) , FR4 (52.6 GHz –114.25 GHz) , FR4a or FR4-1 (52.6 GHz –71 GHz) , and FR5 (114.25 GHz –300 GHz) . In some implementations, the network entities 102 and the UEs 104 may perform wireless communications over one or more of the operating frequency bands. In some implementations, FR1 may be used by the network entities 102 and the UEs 104, among other equipment or devices for cellular communications traffic (e.g., control information, data) . In some implementations, FR2 may be used by the network entities 102 and the UEs 104, among other equipment or devices for short-range, high data rate capabilities.

FR1 may be associated with one or multiple numerologies (e.g., at least three numerologies) . For example, FR1 may be associated with a first numerology (e.g., μ=0) , which includes 15 kHz subcarrier spacing; a second numerology (e.g., μ=1) , which includes 30 kHz subcarrier spacing; and a third numerology (e.g., μ=2) , which includes 60 kHz subcarrier spacing. FR2 may be associated with one or multiple numerologies (e.g., at least 2 numerologies) . For example, FR2 may be associated with a third numerology (e.g., μ=2) , which includes 60 kHz subcarrier spacing; and a fourth numerology (e.g., μ=3) , which includes 120 kHz subcarrier spacing.

Regarding to end-to-end energy efficiency of 6G system, it is expected that the network could assist the UE to improve energy efficiency as one of the services, e.g., the UE could subscribe the energy efficiency service to realize power saving based on network assistance. The UE could also assist the network to improve the system energy efficiency to further reduce operation cost for mobile operators. So, the UE and network could mutually benefit from the coordination for energy efficiency improvement. Considering the sustainability target of the 6G system, it should greatly improve the end-to-end energy efficiency compared to the 5G system.

LP-WUS and LP-WUR are introduced in 5G network, which has been considered as one of candidate techniques for 6G UE energy saving. To facilitate reducing gNB downlink transmission/uplink reception active time for network energy saving, the UE can be configured with a periodic cell DTX/discontinuous reception (DRX) pattern (i.e. active and non-active periods) . When cell DTX is configured and activated for the concerned cell, the UE may not monitor the PDCCH in selected cases or does not monitor SPS occasions during cell DTX non-active duration. When the cell DRX is configured and activated for the concerned cell, the UE does not transmit on configured grant (CG) resources or does not transmit a scheduling request (SR) during cell DRX non-active duration. The active duration and cycle parameters are common between the cell DTX and the cell DRX, when both are configured.

It has been confirmed that the LP-WUS can be configured with the cell DTX. If both are configured for the UE, since the cell DTX controls the transmission and reception behaviors of the cell for network energy saving, while the LP-WUS is monitored by the UE LR to trigger the PDCCH monitoring on the MR in RRC_CONNECTED mode for UE power saving. Aligning the cell DTX/DRX and UE wake-up behaviors can benefit in joint UE and network energy saving.

Since the cell DTX configuration is common for all UEs within the serving cell, while the LP-WUS configuration is configured with connected mode DRX, which are related with UE traffic pattern and specific for each UE. From configuration aspects, it’s difficult for the network to fully align with the cell DTX active duration and UE LP-WUS monitoring occasions. Network may only ensure that there is at least partial overlapping between the cell DTX active duration and LP-WUS monitoring occasions.

In the case of both cell DTX and LP-WUS are configured for the specific UE, whether the UE is expected to monitor the LP-WUS or not during the cell DTX inactive time duration keeps open. Most intuitively, there may have two alternatives on UEs behavior for LP-WUS monitoring.

In the alternative 1, the LP-WUS is limited or controlled by the cell DTX, i.e., the UE may not monitor the LP-WUS during the cell DTX inactive time 190 as shown in FIG. 1B. For each serving cell configured with the cell DTX and the LP-WUS, the MAC entity need not monitor the PDCCH for the MAC entity in the case of the active timer triggered by the LP-WUS is running, if the cell DTX operation is activated and the serving cell is not in the cell DTX active period. Thus, the LP-WUS usage is limited and the service delay are increased in some cases.

In the alternative 2, the LP-WUS is not limited by the cell DTX, the UE monitors the LP-WUS regardless of the cell DTX status. Thus, the LP-WUS triggered active time during the cell DTX inactive time may be meaningless, not benefit for both the UE and the NW power saving. LP-WUS resource is wasteful in some of DRX inactive time.

For both alternative1 and alternative2, there may have potential cons which do not benefit for both the UE and NW energy saving, especially considering the improving service requirements in future network design, it is necessary to seek the solutions to balance the energy saving and service quality requirements in future network design.

In view of the above discussions, some embodiments of the present disclosure provide a solution for LP-WUS monitoring. In one aspect of the solution of the present disclosure, a UE receives a first configuration for cell discontinuous transmission (DTX) and a second configuration for a low power wake up signal (LP-WUS) from the base station. The UE determines to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition. In this way, a more flexible way is to be proposed. In the case of the cell DTX is configured with the LP-WUS, the cell configured with DTX may determine to transmit the LP-WUS or not, and the UE may determine to monitor LP-WUS or not in specific cases or based on certain conditions, and thus the network energy saving is improved. Principles and implementations of embodiments of the present disclosure will be described in detail below with reference to FIGS. 2-11.

FIG. 2 illustrates a signaling chart illustrating an example process 200 in accordance with aspects of the present disclosure. The process 200 may involve the UE 201 and the base station 202. The UE 201 in FIG. 2 may be an example of UE 104 in FIG. 1A. The base station 202 in FIG. 2 may be an example of a network entity 102 in FIG. 1A. It would be appreciated that although the process 200 is applied to in the communication environment 100 of FIG. 1A, this process may be likewise applied to other communication scenarios with similar issues.

In the process 200, the base station 202 transmits 210 a first configuration for cell DTX and a second configuration for a LP-WUS 215 to the UE 201. On the other side of the communication, the UE 201 receives 220 the first configuration for cell DTX and the second configuration for the LP-WUS 215 from the base station 202. In other words, the cell DTX and the LP-WUS are configured for the UE 201. The cell DTX and the LP-WUS are also configured for the base station 202. The cell associated with the cell DTX is provided by the base station 202.

The base station 202 determines 225 to transmit a LP-WUS or not during an active duration or an inactive duration of the cell DTX based on at least one condition. On the other side of the communication, the UE 201 determines 230 to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition. For example, in the case of the cell DTX is configured with the LP-WUS, the cell (provided by the base station 202) may determine whether to transmit the LP-WUS, and the UE 201 may determine whether to monitor the LP-WUS within the configured LO/MO based on certain conditions.

In some embodiments, the at least one condition may comprise evaluating whether a LP-WUS occasion (LO) or LP-WUS monitoring occasion (MO) configured by the second configuration is within at least one time duration. In other words, specific time durations or timers may be defined for the cell and the UE to determine whether to transmit LP-WUS or not and perform LP-WUS monitoring within the LO/MO configured.

Alternatively or additionally, the at least one time duration may comprise a first time duration before a start of the active duration of the cell DTX or before an end of the inactive duration of the cell DTX, a second time duration after an end of the active duration of the cell DTX or after a start of the inactive duration of the cell DTX, a third time duration before an end of the active duration of the cell DTX or before a start of the inactive duration of the cell DTX, or any combination of two or more of the above-mentioned items. As shown in FIG. 3, time duration 310 is the first time duration, time duration 320 is the second time duration and time duration 330 is the third time duration.

In addition, the at least one time duration may correspond to a first timer, a second timer, a third timer, or any combination of two or more of the above-mentioned items. The first timer starts at a first time duration before a start of the active duration of the cell DTX and ends when the active duration of the cell DTX starts, or starts at a first time duration before an end of the inactive duration of the cell DTX, and ends when the inactive duration of the cell DTX ends. The second timer starts when the active duration of the cell DTX ends and ends at a second time duration after an end of the active duration of the cell DTX, or starts when the inactive duration of the cell DTX starts and ends at a second time duration after a start of the inactive duration of the cell DTX. The third timer starts at a third time duration before an end of the active duration of the cell DTX and ends when the active duration of the cell DTX ends, or starts at a third time duration before a start of the inactive duration of the cell DTX, and ends when the inactive duration of the cell DTX starts.

In other words, the first timer corresponds to the first time duration, the second timer corresponds to the second time duration, and the third timer corresponds to the third time duration.

Additionally, the at least one time duration may be associated with a wake up delay time or transition time of the UE in a UE capability report. For example, all defined time durations or timers may be specified for the UE 201 or configured by the base station 202 based on the wake-up delay/transition time reported in the UE capability.

In some embodiments, for determining to transmit the LP-WUS or not during the active duration or the inactive duration of the cell DTX based on the at least one condition, if the LO or MO is within the first time duration, the base station 202 may transmit the LP-WUS within the LO or MO. If the LO or MO is within the second time duration or the third time duration, the base station 202 may determine not to transmit the LP-WUS within the LO or MO.

In some embodiments, for determining to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition, if the LO or MO is within the first time duration, the UE 201 may perform the LP-WUS monitoring within the LO or MO. If the LO or MO is within the second time duration or the third time duration, the UE 201 may determine not to perform the LP-WUS monitoring within the LO or MO.

For example, the cell (provided by the base station 202) configured with the DTX transmits the LP-WUS and the UE 201 performs the LP-WUS monitoring during the time duration 310 in FIG. 3. The cell (provided by the base station 202) configured with the DTX may not transmit the LP-WUS and the UE 201 may not perform the LP-WUS monitoring during the time durations 320 and 330 in FIG. 3.

In addition, the time duration 310 may also be referred as a timer1, the time duration 320 may also be referred as a timer2, and the time duration 330 may also be referred as a timer3. When the timer 1 is running, the cell configured with the DTX may transmit the LP-WUS and the UE 201 may perform the LP-WUS monitoring within the configured LO/MO. When the timer2 or timer3 is running, the cell configured with the DTX may not transmit the LP-WUS and the UE 201 may not perform the LP-WUS monitoring within the configured LO/MO.

In summary, during the time duration defined in cell DTX inactive time, the cell may transmit the LP-WUS and the UE may determine to monitor LP-WUS within the configured LO/MO (s) , while during the time duration defined in cell DTX active time, the cell may not transmit the LP-WUS and UE determines not to monitor LP-WUS within the configured LO/MO (s) .

In addition to above defined time duration, for the LP-WUS transmission/reception behaviors, in an example, the cell may transmit the LP-WUS and the UE may perform LP-WUS monitoring according to the LO/MO configuration and regardless of the cell DTX active statue. In another example, the cell may transmit the LP-WUS and the UE may perform the LP-WUS monitoring within the LO/MO of DTX active duration.

In some alternative embodiments, the at least one condition may comprise evaluating whether an active duration triggered by the LP-WUS is overlapped with the active duration of the cell DTX. Since the location of the active duration of the cell DTX, the UE active time duration triggered by the LP-WUS (i.e., on-duration timer, or new timer for PDCCH monitoring) are the known information for both the UE 201 and cells. The cell and the UE may determine whether to transmit the LP-WUS or perform the LP-WUS monitoring within the configured LO/MO by calculating whether there has overlapping between the active time of the cell DTX and active time on PDCCH monitoring triggered by the LP-WUS.

In some embodiments, for determining to transmit the LP-WUS or not during the active duration or the inactive duration of the cell DTX based on the at least one condition, if the active duration triggered by the LP-WUS received in the LO or MO is overlapped with the active duration of the cell DTX, the base station 202 may transmit the LP-WUS within the LO or MO. If the active duration triggered by the LP-WUS is not overlapped with the active duration of the cell DTX or fully overlapped with the inactive duration of the cell DTX, the base station 202 may determine not to transmit the LP-WUS within the LO or MO.

In some embodiments, for determining to perform LP-WUS monitoring or not during the active duration or the inactive duration of the cell DTX based on the at least one condition, if the active duration triggered by the LP-WUS received in the LO or MO is overlapped with the active duration of the cell DTX, the UE 201 may perform LP-WUS monitoring within the LO or MO. If the active duration triggered by the LP-WUS is not overlapped with the active duration of the cell DTX or fully overlapped with the inactive duration of the cell DTX, the UE 201 may determine not to perform LP-WUS monitoring within the LO or MO.

For example, in case 1, the active time duration on PDCCH monitoring triggered by LP-WUS is overlapped (at least partially overlapping) with the cell DTX active duration, the cell transmits the LP-WUS within the configured LO/MO, the UE performs the LP-WUS monitoring within the configured LO/MO. As shown in FIG. 4, the UE MR (case 1) may perform LP-WUS monitoring at time duration 430 due to active duration 420 and time duration 430 partially overlap.

In case 2, the active time duration on the PDCCH monitoring triggered by the LP-WUS is not overlapped with the cell DTX active duration, or fully overlapped with cell DTX non-active duration, the cell may not transmit the LP-WUS within the configured LO/MO, the UE does not perform the LP-WUS monitoring within he configured LO/MO. As shown in FIG. 4, the UE MR (case 2) can not perform LP-WUS monitoring at time duration 440 due to time duration 440 does not overlap with active duration 410 and active duration 420.

In above case 2, For LP-WUS configuration opt1-1, i.e., the LP-WUS monitoring occasion locates at a configured time offset before the start of DRX-onDurationTimer, the active time duration on the PDCCH monitoring triggered by the LP-WUS may be the DRX on-duration timer. For LP-WUS configuration opt1-2, i.e., after the LP-WUS triggers the UE to perform the PDCCH monitoring, the UE starts one new timer, the active time duration on the PDCCH monitoring triggered by the LP-WUS may be the new timer triggered by LP-WUS.

Additionally, if an overlapping ratio between the active duration triggered by the LP-WUS and the active duration of the cell DTX is higher than a threshold, the base station 202 may transmit the LP-WUS within the LO or MO.

Similarly, if an overlapping ratio between the active duration triggered by the LP-WUS and the active duration of the cell DTX is higher than a threshold, the UE 201 may perform the LP-WUS monitoring within the LO or MO. For example, a threshold may be configured for the overlapping determination, e.g., when the overlapping ratio is higher than a specific threshold, it can be determined as overlapping.

In some other alternative embodiments, in the case of the cell DTX is configured, on the top of the cell DTX pattern, a DTX pattern for the LP-WUS may be defined to control the LP-WUS transmission and reception, which includes the active time duration and inactive time duration. When the cell DTX and the DTX pattern for the LP-WUS is configured and activated for the concerned cell, the at least one condition may comprise evaluating whether a LO or MO configured by the second configuration is within an active time duration of a DTX pattern for the LP-WUS. The DTX pattern for the LP-WUS comprises an active time duration (e.g., the active time duration 510 or active time duration 520 in FIG. 5) and an inactive time duration (e.g., the active time duration 530 in FIG. 5) for the LP-WUS transmission and reception.

In some embodiments, for determining to transmit the LP-WUS or not during an active duration or an inactive duration of the cell DTX based on at least one condition, if the LO or MO is within the active duration of the DTX pattern for the LP-WUS, the base station 202 may determine to transmit the LP-WUS within the LO or MO. If the LO or MO is within the inactive duration of the DTX pattern for the LP-WUS, the base station 202 may determine not to transmit the LP-WUS within the LO or MO.

In some embodiments, for determining to perform LP-WUS monitoring or not during the active duration or the inactive duration of the cell DTX based on the at least one condition, if the LO or MO is within the active duration of the DTX pattern for the LP-WUS, the UE 201 may determine to perform LP-WUS monitoring within the LO or MO. If the LO or MO is within the inactive duration of the DTX pattern for the LP-WUS, the UE 201 may determine not to perform LP-WUS monitoring within the LO or MO.

In an example, during the LP-WUS DTX active duration, the cell (provided by the base station 202) may transmit the LP-WUS, and the UE 201 may perform LP-WUS monitoring within the configured LO/MO. In another example, during the LP-WUS DTX inactive duration, the cell may not transmit LP-WUS, and the UE 201 may not perform LP-WUS monitoring within the configured LO/MO.

In addition, the DTX pattern for the LP-WUS may be activated based on determining that the cell DTX is activated, receiving an RRC signaling for activating the DTX pattern for the LP-WUS, receiving a MAC CE for activating the DTX pattern for the LP-WUS, or any combination of two or more of the above-mentioned items.

For instance, the DTX pattern for the LP-WUS may be configured when cell DTX and LP-WUS both configured, and irrespective of the LO/MO configuration in LP-WUS configuration, which configured and activated by the serving cell. The LP-WUS DTX may be further activated with the cell DTX, which means in the case of the cell DTX is activated, the LP-WUS DTX is activated. The LP-WUS DTX can be also activated by a dedicated RRC signalling or a MAC CE.

Alternatively or additionally, if the DTX pattern for the LP-WUS is associated with the cell, i.e., the DTX pattern for the LP-WUS is cell-specific, the base station 202 may further transmit the information of the DTX pattern for the LP-WUS together with the first configuration to the UE 201. In other words, the DTX pattern for the LP-WUS is configured with the cell DTX configuration and common for UEs within the serving cell.

If the DTX pattern for the LP-WUS is associated with the UE 201, i.e., the DTX pattern for the LP-WUS is UE-specific, the base station 202 may further transmit the information of the DTX pattern for the LP-WUS together with the second configuration. For example, the slot offset between the cell DTX and the DTX pattern for the LP-WUS may take UE’s wake-up delay/transition time into consideration and configured to the UE 201 with LP-WUS configuration or the cell DTX if the cell DTX is configured.

On the other side of the communication, if the DTX pattern for the LP-WUS is associated with the cell, information of the DTX pattern for the LP-WUS may be received from the base station together with the first configuration. If the DTX pattern for the LP-WUS is associated with the UE, information of the DTX pattern for the LP-WUS may be received from the base station together with the second configuration.

Additionally, a LP-WUS from the base station may further comprise an indication of performing a PDCCH monitoring when the active duration of the cell DTX starts if the UE performs LP-WUS monitoring during inactive time of the cell DTX.

For example, in the case of the UE 201 performs the LP-WUS monitoring during the cell DTX inactive time and the LP-WUS is also detected/received, the LP-WUS may further indicate the UE 201 to perform the PDCCH monitoring when the cell DTX active time starts, then the UE 201 wakes up the MR to perform the PDCCH monitoring when the cell DTX active time starts based on the indication. E. g., 1bit indication maybe enough, since the UE 201 can know the location of the next DTX active duration.

Alternatively or additionally, at least one of the at least one condition, the at least one time duration, or DTX pattern for the LP-WUS may be determined by the base station or predefined.

In an example, information of the at least one condition may be received from the base station 202 or predefined. In another example, information of the at least one time duration may be received from the base station 202 or predefined. In yet another example, information of the DTX pattern for the LP-WUS may be received from the base station 202 or predefined.

In some embodiments, if at least one of the at least one condition, the at least one time duration, or DTX pattern for the LP-WUS is determined by the base station 202, the base station 202 may further transmit information of at least one of the at least one condition, the at least one time duration, or the DTX pattern for the LP-WUS to the UE 201.

In general, in the case of the cell DTX is configured with the LP-WUS, the cell configured with DTX may determine to transmit the LP-WUS or not, and the UE may determine to monitor the LP-WUS or not in specific cases or based on certain conditions. In the first option, specific time durations or timers are defined for the cell and the UE to determine whether to transmit the LP-WUS or not and perform the LP-WUS monitoring or not within the configured LO/MO. In the second option, the cell determines to transmit the LP-WUS or not, and the UE determines to monitor the LP-WUS or not within the configured LO/MO based on the active time duration triggered by the LP-WUS. In the third option, a LP-WUS DTX pattern (also called DTX pattern for the LP-WUS) is defined, which includes the active/inactive time duration to control the LP-WUS transmission and reception for the UE configured with the cell DTX and the LP-WUS.

FIG. 6 illustrates an example of a device 600 that supports LP-WUS monitoring in accordance with aspects of the present disclosure. The device 600 may be an example of a UE 104 as described herein. The device 600 may support wireless communication with one or more network entities 102, UEs 104, or any combination thereof. The device 600 may include components for bi-directional communications including components for transmitting and receiving communications, such as a processor 602, a memory 604, a transceiver 606, and, optionally, an I/O controller 608. These components may be in electronic communication or otherwise coupled (e.g., operatively, communicatively, functionally, electronically, electrically) via one or more interfaces (e.g., buses) .

The processor 602, the memory 604, the transceiver 606, or various combinations thereof or various components thereof may be examples of means for performing various aspects of the present disclosure as described herein. For example, the processor 602, the memory 604, the transceiver 606, or various combinations or components thereof may support a method for performing one or more of the operations described herein.

In some implementations, the processor 602, the memory 604, the transceiver 606, or various combinations or components thereof may be implemented in hardware (e.g., in communications management circuitry) . The hardware may include a processor, a digital signal processor (DSP) , an application-specific integrated circuit (ASIC) , a field-programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic, discrete hardware components, or any combination thereof configured as or otherwise supporting a means for performing the functions described in the present disclosure. In some implementations, the processor 602 and the memory 604 coupled with the processor 602 may be configured to perform one or more of the functions described herein (e.g., executing, by the processor 602, instructions stored in the memory 604) .

For example, the processor 602 may support wireless communication at the device 600 in accordance with examples as disclosed herein. The processor 602 may be configured to operable to support a means for receiving, via the transceiver from a base station, a first configuration for cell discontinuous transmission (DTX) and a second configuration for a low power wake up signal (LP-WUS) , and means for determining to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition. The processor 602 may be configured to operable to support other means for other implementations of method 1000.

The processor 602 may include an intelligent hardware device (e.g., a general-purpose processor, a DSP, a CPU, a microcontroller, an ASIC, an FPGA, a programmable logic device, a discrete gate or transistor logic component, a discrete hardware component, or any combination thereof) . In some implementations, the processor 602 may be configured to operate a memory array using a memory controller. In some other implementations, a memory controller may be integrated into the processor 602. The processor 602 may be configured to execute computer-readable instructions stored in a memory (e.g., the memory 604) to cause the device 600 to perform various functions of the present disclosure.

The memory 604 may include random access memory (RAM) and read-only memory (ROM) . The memory 604 may store computer-readable, computer-executable code including instructions that, when executed by the processor 602 cause the device 600 to perform various functions described herein. The code may be stored in a non-transitory computer-readable medium such as system memory or another type of memory. In some implementations, the code may not be directly executable by the processor 602 but may cause a computer (e.g., when compiled and executed) to perform functions described herein. In some implementations, the memory 604 may include, among other things, a basic I/O system (BIOS) which may control basic hardware or software operation such as the interaction with peripheral components or devices.

The I/O controller 608 may manage input and output signals for the device 600. The I/O controller 608 may also manage peripherals not integrated into the device M02. In some implementations, the I/O controller 608 may represent a physical connection or port to an external peripheral. In some implementations, the I/O controller 608 may utilize an operating system such as or another known operating system. In some implementations, the I/O controller 608 may be implemented as part of a processor, such as the processor 606. In some implementations, a user may interact with the device 600 via the I/O controller 608 or via hardware components controlled by the I/O controller 608.

In some implementations, the device 600 may include a single antenna 610. However, in some other implementations, the device 600 may have more than one antenna 610 (i.e., multiple antennas) , including multiple antenna panels or antenna arrays, which may be capable of concurrently transmitting or receiving multiple wireless transmissions. The transceiver 606 may communicate bi-directionally, via the one or more antennas 610, wired, or wireless links as described herein. For example, the transceiver 606 may represent a wireless transceiver and may communicate bi-directionally with another wireless transceiver. The transceiver 606 may also include a modem to modulate the packets, to provide the modulated packets to one or more antennas 610 for transmission, and to demodulate packets received from the one or more antennas 610. The transceiver 606 may include one or more transmit chains, one or more receive chains, or a combination thereof.

A transmit chain may be configured to generate and transmit signals (e.g., control information, data, packets) . The transmit chain may include at least one modulator for modulating data onto a carrier signal, preparing the signal for transmission over a wireless medium. The at least one modulator may be configured to support one or more techniques such as amplitude modulation (AM) , frequency modulation (FM) , or digital modulation schemes like phase-shift keying (PSK) or quadrature amplitude modulation (QAM) . The transmit chain may also include at least one power amplifier configured to amplify the modulated signal to an appropriate power level suitable for transmission over the wireless medium. The transmit chain may also include one or more antennas 610 for transmitting the amplified signal into the air or wireless medium.

A receive chain may be configured to receive signals (e.g., control information, data, packets) over a wireless medium. For example, the receive chain may include one or more antennas 610 for receive the signal over the air or wireless medium. The receive chain may include at least one amplifier (e.g., a low-noise amplifier (LNA) ) configured to amplify the received signal. The receive chain may include at least one demodulator configured to demodulate the receive signal and obtain the transmitted data by reversing the modulation technique applied during transmission of the signal. The receive chain may include at least one decoder for decoding the processing the demodulated signal to receive the transmitted data.

FIG. 7 illustrates an example of a device 700 that supports LP-WUS monitoring in accordance with aspects of the present disclosure. The device 700 may be an example of a network entity 102 as described herein. The device 700 may support wireless communication with one or more network entities 102, UEs 104, or any combination thereof. The device 700 may include components for bi-directional communications including components for transmitting and receiving communications, such as a processor 702, a memory 704, a transceiver 706, and, optionally, an I/O controller 708. These components may be in electronic communication or otherwise coupled (e.g., operatively, communicatively, functionally, electronically, electrically) via one or more interfaces (e.g., buses) .

The processor 702, the memory 704, the transceiver 706, or various combinations thereof or various components thereof may be examples of means for performing various aspects of the present disclosure as described herein. For example, the processor 702, the memory 704, the transceiver 706, or various combinations or components thereof may support a method for performing one or more of the operations described herein.

In some implementations, the processor 702, the memory 704, the transceiver 706, or various combinations or components thereof may be implemented in hardware (e.g., in communications management circuitry) . The hardware may include a processor, a digital signal processor (DSP) , an application-specific integrated circuit (ASIC) , a field-programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic, discrete hardware components, or any combination thereof configured as or otherwise supporting a means for performing the functions described in the present disclosure. In some implementations, the processor 702 and the memory 704 coupled with the processor 702 may be configured to perform one or more of the functions described herein (e.g., executing, by the processor 702, instructions stored in the memory 704) .

For example, the processor 702 may support wireless communication at the device 700 in accordance with examples as disclosed herein. The processor 702 may be configured to operable to support a means for transmitting, via the transceiver to a user equipment (UE) , a first configuration for cell discontinuous transmission (DTX) and a second configuration for a low power wake up signal (LP-WUS) , and means for determining to transmit a LP-WUS or not during an active duration or an inactive duration of the cell DTX based on at least one condition. The processor 702 may be configured to operable to support other means for other implementations of method 1100.

The processor 702 may include an intelligent hardware device (e.g., a general-purpose processor, a DSP, a CPU, a microcontroller, an ASIC, an FPGA, a programmable logic device, a discrete gate or transistor logic component, a discrete hardware component, or any combination thereof) . In some implementations, the processor 702 may be configured to operate a memory array using a memory controller. In some other implementations, a memory controller may be integrated into the processor 702. The processor 702 may be configured to execute computer-readable instructions stored in a memory (e.g., the memory 704) to cause the device 700 to perform various functions of the present disclosure.

The memory 704 may include random access memory (RAM) and read-only memory (ROM) . The memory 704 may store computer-readable, computer-executable code including instructions that, when executed by the processor 702 cause the device 700 to perform various functions described herein. The code may be stored in a non-transitory computer-readable medium such as system memory or another type of memory. In some implementations, the code may not be directly executable by the processor 702 but may cause a computer (e.g., when compiled and executed) to perform functions described herein. In some implementations, the memory 704 may include, among other things, a basic I/O system (BIOS) which may control basic hardware or software operation such as the interaction with peripheral components or devices.

The I/O controller 708 may manage input and output signals for the device 700. The I/O controller 708 may also manage peripherals not integrated into the device M02. In some implementations, the I/O controller 708 may represent a physical connection or port to an external peripheral. In some implementations, the I/O controller 708 may utilize an operating system such as or another known operating system. In some implementations, the I/O controller 708 may be implemented as part of a processor, such as the processor 706. In some implementations, a user may interact with the device 700 via the I/O controller 708 or via hardware components controlled by the I/O controller 708.

In some implementations, the device 700 may include a single antenna 710. However, in some other implementations, the device 700 may have more than one antenna 710 (i.e., multiple antennas) , including multiple antenna panels or antenna arrays, which may be capable of concurrently transmitting or receiving multiple wireless transmissions. The transceiver 706 may communicate bi-directionally, via the one or more antennas 710, wired, or wireless links as described herein. For example, the transceiver 706 may represent a wireless transceiver and may communicate bi-directionally with another wireless transceiver. The transceiver 706 may also include a modem to modulate the packets, to provide the modulated packets to one or more antennas 710 for transmission, and to demodulate packets received from the one or more antennas 710. The transceiver 706 may include one or more transmit chains, one or more receive chains, or a combination thereof.

A transmit chain may be configured to generate and transmit signals (e.g., control information, data, packets) . The transmit chain may include at least one modulator for modulating data onto a carrier signal, preparing the signal for transmission over a wireless medium. The at least one modulator may be configured to support one or more techniques such as amplitude modulation (AM) , frequency modulation (FM) , or digital modulation schemes like phase-shift keying (PSK) or quadrature amplitude modulation (QAM) . The transmit chain may also include at least one power amplifier configured to amplify the modulated signal to an appropriate power level suitable for transmission over the wireless medium. The transmit chain may also include one or more antennas 710 for transmitting the amplified signal into the air or wireless medium.

A receive chain may be configured to receive signals (e.g., control information, data, packets) over a wireless medium. For example, the receive chain may include one or more antennas 710 for receive the signal over the air or wireless medium. The receive chain may include at least one amplifier (e.g., a low-noise amplifier (LNA) ) configured to amplify the received signal. The receive chain may include at least one demodulator configured to demodulate the receive signal and obtain the transmitted data by reversing the modulation technique applied during transmission of the signal. The receive chain may include at least one decoder for decoding the processing the demodulated signal to receive the transmitted data.

FIG. 8 illustrates an example of a processor 800 that supports LP-WUS monitoring in accordance with aspects of the present disclosure. The processor 800 may be an example of a processor configured to perform various operations in accordance with examples as described herein. The processor 800 may include a controller 802 configured to perform various operations in accordance with examples as described herein. The processor 800 may optionally include at least one memory 804. Additionally, or alternatively, the processor 800 may optionally include one or more arithmetic-logic units (ALUs) 800. One or more of these components may be in electronic communication or otherwise coupled (e.g., operatively, communicatively, functionally, electronically, electrically) via one or more interfaces (e.g., buses) .

The processor 800 may be a processor chipset and include a protocol stack (e.g., a software stack) executed by the processor chipset to perform various operations (e.g., receiving, obtaining, retrieving, transmitting, outputting, forwarding, storing, determining, identifying, accessing, writing, reading) in accordance with examples as described herein. The processor chipset may include one or more cores, one or more caches (e.g., memory local to or included in the processor chipset (e.g., the processor 800) or other memory (e.g., random access memory (RAM) , read-only memory (ROM) , dynamic RAM (DRAM) , synchronous dynamic RAM (SDRAM) , static RAM (SRAM) , ferroelectric RAM (FeRAM) , magnetic RAM (MRAM) , resistive RAM (RRAM) , flash memory, phase change memory (PCM) , and others) .

The controller 802 may be configured to manage and coordinate various operations (e.g., signaling, receiving, obtaining, retrieving, transmitting, outputting, forwarding, storing, determining, identifying, accessing, writing, reading) of the processor 800 to cause the processor 800 to support various operations in accordance with examples as described herein. For example, the controller 802 may operate as a control unit of the processor 800, generating control signals that manage the operation of various components of the processor 800. These control signals include enabling or disabling functional units, selecting data paths, initiating memory access, and coordinating timing of operations.

The controller 802 may be configured to fetch (e.g., obtain, retrieve, receive) instructions from the memory 804 and determine subsequent instruction (s) to be executed to cause the processor 800 to support various operations in accordance with examples as described herein. The controller 802 may be configured to track memory address of instructions associated with the memory 804. The controller 802 may be configured to decode instructions to determine the operation to be performed and the operands involved. For example, the controller 802 may be configured to interpret the instruction and determine control signals to be output to other components of the processor 800 to cause the processor 800 to support various operations in accordance with examples as described herein. Additionally, or alternatively, the controller 802 may be configured to manage flow of data within the processor 800. The controller 802 may be configured to control transfer of data between registers, arithmetic logic units (ALUs) , and other functional units of the processor 800.

The memory 804 may include one or more caches (e.g., memory local to or included in the processor 800 or other memory, such RAM, ROM, DRAM, SDRAM, SRAM, MRAM, flash memory, etc. In some implementation, the memory 804 may reside within or on a processor chipset (e.g., local to the processor 800) . In some other implementations, the memory 804 may reside external to the processor chipset (e.g., remote to the processor 800) .

The memory 804 may store computer-readable, computer-executable code including instructions that, when executed by the processor 800, cause the processor 800 to perform various functions described herein. The code may be stored in a non-transitory computer-readable medium such as system memory or another type of memory. The controller 802 and/or the processor 800 may be configured to execute computer-readable instructions stored in the memory 804 to cause the processor 800 to perform various functions (e.g., functions or tasks supporting transmit power prioritization ) . For example, the processor 800 and/or the controller 802 may be coupled with or to the memory 804, the processor 800, the controller 802, and the memory 804 may be configured to perform various functions described herein. In some examples, the processor 800 may include multiple processors and the memory 804 may include multiple memories. One or more of the multiple processors may be coupled with one or more of the multiple memories, which may, individually or collectively, be configured to perform various functions herein.

The one or more ALUs 800 may be configured to support various operations in accordance with examples as described herein. In some implementation, the one or more ALUs 800 may reside within or on a processor chipset (e.g., the processor 800) . In some other implementations, the one or more ALUs 800 may reside external to the processor chipset (e.g., the processor 800) . One or more ALUs 800 may perform one or more computations such as addition, subtraction, multiplication, and division on data. For example, one or more ALUs 800 may receive input operands and an operation code, which determines an operation to be executed. One or more ALUs 800 be configured with a variety of logical and arithmetic circuits, including adders, subtractors, shifters, and logic gates, to process and manipulate the data according to the operation. Additionally, or alternatively, the one or more ALUs 800 may support logical operations such as AND, OR, exclusive-OR (XOR) , not-OR (NOR) , and not-AND (NAND) , enabling the one or more ALUs 800 to handle conditional operations, comparisons, and bitwise operations.

The processor 800 may support wireless communication in accordance with examples as disclosed herein. The processor 802 may be configured to or operable to support a means for receiving, a base station, a first configuration for cell discontinuous transmission (DTX) and a second configuration for a low power wake up signal (LP-WUS) , and means for determining to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition. The processor 800 may be configured to or operable to support other means for other implementations of method 1000.

FIG. 9 illustrates an example of a processor 900 that supports LP-WUS monitoring in accordance with aspects of the present disclosure. The processor 900 may be an example of a processor configured to perform various operations in accordance with examples as described herein. The processor 900 may include a controller 902 configured to perform various operations in accordance with examples as described herein. The processor 900 may optionally include at least one memory 904. Additionally, or alternatively, the processor 900 may optionally include one or more arithmetic-logic units (ALUs) 900. One or more of these components may be in electronic communication or otherwise coupled (e.g., operatively, communicatively, functionally, electronically, electrically) via one or more interfaces (e.g., buses) .

The processor 900 may be a processor chipset and include a protocol stack (e.g., a software stack) executed by the processor chipset to perform various operations (e.g., receiving, obtaining, retrieving, transmitting, outputting, forwarding, storing, determining, identifying, accessing, writing, reading) in accordance with examples as described herein. The processor chipset may include one or more cores, one or more caches (e.g., memory local to or included in the processor chipset (e.g., the processor 900) or other memory (e.g., random access memory (RAM) , read-only memory (ROM) , dynamic RAM (DRAM) , synchronous dynamic RAM (SDRAM) , static RAM (SRAM) , ferroelectric RAM (FeRAM) , magnetic RAM (MRAM) , resistive RAM (RRAM) , flash memory, phase change memory (PCM) , and others) .

The controller 902 may be configured to manage and coordinate various operations (e.g., signaling, receiving, obtaining, retrieving, transmitting, outputting, forwarding, storing, determining, identifying, accessing, writing, reading) of the processor 900 to cause the processor 900 to support various operations in accordance with examples as described herein. For example, the controller 902 may operate as a control unit of the processor 900, generating control signals that manage the operation of various components of the processor 900. These control signals include enabling or disabling functional units, selecting data paths, initiating memory access, and coordinating timing of operations.

The controller 902 may be configured to fetch (e.g., obtain, retrieve, receive) instructions from the memory 904 and determine subsequent instruction (s) to be executed to cause the processor 900 to support various operations in accordance with examples as described herein. The controller 902 may be configured to track memory address of instructions associated with the memory 904. The controller 902 may be configured to decode instructions to determine the operation to be performed and the operands involved. For example, the controller 902 may be configured to interpret the instruction and determine control signals to be output to other components of the processor 900 to cause the processor 900 to support various operations in accordance with examples as described herein. Additionally, or alternatively, the controller 902 may be configured to manage flow of data within the processor 900. The controller 902 may be configured to control transfer of data between registers, arithmetic logic units (ALUs) , and other functional units of the processor 900.

The memory 904 may include one or more caches (e.g., memory local to or included in the processor 900 or other memory, such RAM, ROM, DRAM, SDRAM, SRAM, MRAM, flash memory, etc. In some implementation, the memory 904 may reside within or on a processor chipset (e.g., local to the processor 900) . In some other implementations, the memory 904 may reside external to the processor chipset (e.g., remote to the processor 900) .

The memory 904 may store computer-readable, computer-executable code including instructions that, when executed by the processor 900, cause the processor 900 to perform various functions described herein. The code may be stored in a non-transitory computer-readable medium such as system memory or another type of memory. The controller 902 and/or the processor 900 may be configured to execute computer-readable instructions stored in the memory 904 to cause the processor 900 to perform various functions (e.g., functions or tasks supporting transmit power prioritization ) . For example, the processor 900 and/or the controller 902 may be coupled with or to the memory 904, the processor 900, the controller 902, and the memory 904 may be configured to perform various functions described herein. In some examples, the processor 900 may include multiple processors and the memory 904 may include multiple memories. One or more of the multiple processors may be coupled with one or more of the multiple memories, which may, individually or collectively, be configured to perform various functions herein.

The one or more ALUs 900 may be configured to support various operations in accordance with examples as described herein. In some implementation, the one or more ALUs 900 may reside within or on a processor chipset (e.g., the processor 900) . In some other implementations, the one or more ALUs 900 may reside external to the processor chipset (e.g., the processor 900) . One or more ALUs 900 may perform one or more computations such as addition, subtraction, multiplication, and division on data. For example, one or more ALUs 900 may receive input operands and an operation code, which determines an operation to be executed. One or more ALUs 900 be configured with a variety of logical and arithmetic circuits, including adders, subtractors, shifters, and logic gates, to process and manipulate the data according to the operation. Additionally, or alternatively, the one or more ALUs 900 may support logical operations such as AND, OR, exclusive-OR (XOR) , not-OR (NOR) , and not-AND (NAND) , enabling the one or more ALUs 900 to handle conditional operations, comparisons, and bitwise operations.

The processor 900 may support wireless communication in accordance with examples as disclosed herein. The processor 902 may be configured to or operable to support a means for transmitting, to a user equipment (UE) , a first configuration for cell discontinuous transmission (DTX) and a second configuration for a low power wake up signal (LP-WUS) , and means for determining to transmit a LP-WUS or not during an active duration or an inactive duration of the cell DTX based on at least one condition. The processor 900 may be configured to or operable to support other means for other implementations of method 1100.

FIG. 10 illustrates a flowchart of a method 1000 that supports LP-WUS monitoring in accordance with aspects of the present disclosure. The operations of the method 1000 may be implemented by a device or its components as described herein. For example, the operations of the method 1000 may be performed by a UE 104 as described herein. In some implementations, the device may execute a set of instructions to control the function elements of the device to perform the described functions. Additionally, or alternatively, the device may perform aspects of the described functions using special-purpose hardware.

At 1005, the method may include receiving, from a base station, a first configuration for cell discontinuous transmission (DTX) and a second configuration for a low power wake up signal (LP-WUS) . The operations of 1005 may be performed in accordance with examples as described herein. In some implementations, aspects of the operations of 1005 may be performed by a device as described with reference to FIG. 1A.

At 1010, the method may include determining to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition. The operations of 1010 may be performed in accordance with examples as described herein. In some implementations, aspects of the operations of 1010 may be performed by a device as described with reference to FIG. 1A.

In some embodiments, the at least one condition may comprise at least one of the following: evaluating whether a LP-WUS occasion (LO) or LP-WUS monitoring occasion (MO) configured by the second configuration is within at least one time duration, evaluating whether an active duration triggered by the LP-WUS is overlapped with the active duration of the cell DTX, or evaluating whether a LO or MO configured by the second configuration is within an active duration of a DTX pattern for the LP-WUS, wherein the DTX pattern for the LP-WUS comprises an active duration and an inactive duration for LP-WUS transmission and reception.

In some embodiments, the at least one time duration may comprise at least one of the following: a first time duration before a start of the active duration of the cell DTX or before an end of the inactive duration of the cell DTX, a second time duration after an end of the active duration of the cell DTX or after a start of the inactive duration of the cell DTX, or a third time duration before an end of the active duration of the cell DTX or before a start of the inactive duration of the cell DTX.

In some embodiments, the at least one time duration may correspond to at least one of the following: a first timer starts at a first time duration before a start of the active duration of the cell DTX and ends when the active duration of the cell DTX starts, or starts at a first time duration before an end of the inactive duration of the cell DTX, and ends when the inactive duration of the cell DTX ends, a second timer starts when the active duration of the cell DTX ends and ends at a second time duration after an end of the active duration of the cell DTX, or starts when the inactive duration of the cell DTX starts and ends at a second time duration after an start of the inactive duration of the cell DTX, or a third timer starts at a third time duration before an end of the active duration of the cell DTX and ends when the active duration of the cell DTX ends, or starts at a third time duration before a start of the inactive duration of the cell DTX, and ends when the inactive duration of the cell DTX starts.

In some embodiments, the method may further include determining to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition by: determining to perform the LP-WUS monitoring within the LO or MO in the case that the LO or MO is within the first time duration, and determining not to perform the LP-WUS monitoring within the LO or MO in the case that the LO or MO is within the second time duration or the third time duration.

In some embodiments, the at least one time duration may be associated with a wake up delay time or transition time of the UE in a UE capability report.

In some embodiments, the method may further include determining to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition by: determining to perform the LP-WUS monitoring within the LO or MO in the case that the active duration triggered by the LP-WUS received in the LO or MO is overlapped with the active duration of the cell DTX, and determining not to perform the LP-WUS monitoring within the LO or MO in the case that the active duration triggered by the LP-WUS received in the LO or MO is not overlapped with the active duration of the cell DTX or fully overlapped with the inactive duration of the cell DTX.

In some embodiments, the method may further include performing the LP-WUS monitoring by: performing the LP-WUS monitoring within the LO or MO in the case that an overlapping ratio between the active duration triggered by the LP-WUS and the active duration of the cell DTX is higher than a threshold.

In some embodiments, the method may further include determining to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition by: determining to perform the LP-WUS monitoring within the LO or MO in the case that the LO or MO is within the active duration of the DTX pattern for the LP-WUS, and determining not to perform the LP-WUS monitoring within the LO or MO in the case that the LO or MO is within the inactive duration of the DTX pattern for the LP-WUS.

In some embodiments, the DTX pattern for the LP-WUS may be activated based on at least one of the following: determining that the cell DTX is activated, receiving a radio resource control (RRC) signaling for activating the DTX pattern for the LP-WUS, or receiving a medium access control (MAC) control element (CE) for activating the DTX pattern for the LP-WUS.

In some embodiments, a LP-WUS from the base station may further comprise an indication of performing a physical downlink control channel (PDCCH) monitoring when the active duration of the cell DTX starts in the case that the UE performs LP-WUS monitoring during inactive time of the cell DTX.

In some embodiments, one of the following: information of the at least one condition may be received from the base station or predefined, information of the at least one time duration may be received from the base station or predefined, or information of the DTX pattern for the LP-WUS may be received from the base station or predefined.

In some embodiments, one of the following: information of the DTX pattern for the LP-WUS may be received from the base station together with the first configuration in the case that the DTX pattern for the LP-WUS is associated with the cell, or information of the DTX pattern for the LP-WUS may be received from the base station together with the second configuration in the case that the DTX pattern for the LP-WUS is associated with the UE.

It should be noted that the methods described herein describes possible implementations, and that the operations and the steps may be rearranged or otherwise modified and that other implementations are possible. Further, aspects from two or more of the methods may be combined.

FIG. 11 illustrates a flowchart of a method 1100 that supports LP-WUS monitoring in accordance with aspects of the present disclosure. The operations of the method 1100 may be implemented by a device or its components as described herein. For example, the operations of the method 1100 may be performed by a network entity 102 as described herein. In some implementations, the device may execute a set of instructions to control the function elements of the device to perform the described functions. Additionally, or alternatively, the device may perform aspects of the described functions using special-purpose hardware.

At 1105, the method may include transmitting, to a user equipment (UE) , a first configuration for cell discontinuous transmission (DTX) and a second configuration for a low power wake up signal (LP-WUS) . The operations of 1105 may be performed in accordance with examples as described herein. In some implementations, aspects of the operations of 1105 may be performed by a device as described with reference to FIG. 1A.

At 1110, the method may include determining to transmit a LP-WUS or not during an active duration or an inactive duration of the cell DTX based on at least one condition. The operations of 1110 may be performed in accordance with examples as described herein. In some implementations, aspects of the operations of 1110 may be performed by a device as described with reference to FIG. 1A.

In some embodiments, the method may further include determining to transmit the LP-WUS or not during the active duration or the inactive duration of the cell DTX based on the at least one condition by: determining to transmit the LP-WUS within the LO or MO in the case that the LO or MO is within the first time duration, and determining not to transmit the LP-WUS within the LO or MO in the case that the LO or MO is within the second time duration or the third time duration.

In some embodiments, the method may further include determining to transmit the LP-WUS or not during the active duration or the inactive duration of the cell DTX based on the at least one condition by: transmitting the LP-WUS within the LO or MO in the case that the active duration triggered by the LP-WUS received in the LO or MO is overlapped with the active duration of the cell DTX, and determining not to transmit the LP-WUS within the LO or MO in the case that the active duration triggered by the LP-WUS is not overlapped with the active duration of the cell DTX or fully overlapped with the inactive duration of the cell DTX.

In some embodiments, the method may further include transmitting the LP-WUS by: transmitting the LP-WUS within the LO or MO in the case that an overlapping ratio between the active duration triggered by the LP-WUS and the active duration of the cell DTX is higher than a threshold.

In some embodiments, the method may further include determining to transmit the LP-WUS or not during an active duration or an inactive duration of the cell DTX based on at least one condition by: determining to transmit the LP-WUS within the LO or MO in the case that the LO or MO is within the active duration of the DTX pattern for the LP-WUS, and determining not to transmit the LP-WUS within the LO or MO in the case that the LO or MO is within the inactive duration of the DTX pattern for the LP-WUS.

In some embodiments, at least one of the at least one condition, the at least one time duration, or DTX pattern for the LP-WUS may be determined by the base station or predefined.

In some embodiments, at least one of the at least one condition, the at least one time duration, or DTX pattern for the LP-WUS is determined by the base station, the method may further include transmitting, to the UE, information of at least one of the at least one condition, the at least one time duration, or DTX pattern for the LP-WUS.

In some embodiments, the method may further include transmitting the information of the DTX pattern for the LP-WUS to the UE by: transmitting, to the UE, the information of the DTX pattern for the LP-WUS together with the first configuration in the case that the DTX pattern for the LP-WUS is associated with the cell, or transmitting, to the UE, the information of the DTX pattern for the LP-WUS together with the second configuration in the case that the DTX pattern for the LP-WUS is associated with the UE.

The various illustrative blocks and components described in connection with the disclosure herein may be implemented or performed with a general-purpose processor, a DSP, an ASIC, a CPU, an FPGA or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general-purpose processor may be a microprocessor, but in the alternative, the processor may be any processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices (e.g., a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.

The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope of the disclosure and appended claims. For example, due to the nature of software, functions described herein may be implemented using software executed by a processor, hardware, firmware, hardwiring, or combinations of any of these. Features implementing functions may also be physically located at various positions, including being distributed such that portions of functions are implemented at different physical locations.

Computer-readable media includes both non-transitory computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A non-transitory storage medium may be any available medium that may be accessed by a general-purpose or special-purpose computer. By way of example, non-transitory computer-readable media may include RAM, ROM, electrically erasable programmable ROM (EEPROM) , flash memory, compact disk (CD) ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other non-transitory medium that may be used to carry or store desired program code means in the form of instructions or data structures and that may be accessed by a general-purpose or special-purpose computer, or a general-purpose or special-purpose processor.

As used herein, including in the claims, an article “a” before an element is unrestricted and understood to refer to “at least one” of those elements or “one or more” of those elements. The terms “a, ” “at least one, ” “one or more, ” and “at least one of one or more” may be interchangeable. As used herein, including in the claims, “or” as used in a list of items (e.g., a list of items prefaced by a phrase such as “at least one of” or “one or more of” or “one or both of” ) indicates an inclusive list such that, for example, a list of at least one of A, B, or C means A or B or C or AB or AC or BC or ABC (i.e., A and B and C) . Also, as used herein, the phrase “based on” shall not be construed as a reference to a closed set of conditions. For example, an example step that is described as “based on condition A” may be based on both a condition A and a condition B without departing from the scope of the present disclosure. In other words, as used herein, the phrase “based on” shall be construed in the same manner as the phrase “based at least in part on. Further, as used herein, including in the claims, a “set” may include one or more elements.

The description herein is provided to enable a person having ordinary skill in the art to make or use the disclosure. Various modifications to the disclosure will be apparent to a person having ordinary skill in the art, and the generic principles defined herein may be applied to other variations without departing from the scope of the disclosure. Thus, the disclosure is not limited to the examples and designs described herein but is to be accorded the broadest scope consistent with the principles and novel features disclosed herein.

Claims

A user equipment (UE) comprising:

a processor; and

a transceiver coupled to the processor,

wherein the processor is configured to:

receive, via the transceiver from a base station, a first configuration for cell discontinuous transmission (DTX) and a second configuration for a low power wake up signal (LP-WUS) ; and

determine to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition.
The UE of claim 1, wherein the at least one condition comprises at least one of the following:

evaluating whether a LP-WUS occasion (LO) or LP-WUS monitoring occasion (MO) configured by the second configuration is within at least one time duration;

evaluating whether an active duration triggered by the LP-WUS is overlapped with the active duration of the cell DTX; or

evaluating whether a LO or MO configured by the second configuration is within an active duration of a DTX pattern for the LP-WUS, wherein the DTX pattern for the LP-WUS comprises an active duration and an inactive duration for LP-WUS transmission and reception.
The UE of claim 2, wherein the at least one time duration comprises at least one of the following:

a first time duration before a start of the active duration of the cell DTX or before an end of the inactive duration of the cell DTX;

a second time duration after an end of the active duration of the cell DTX or after a start of the inactive duration of the cell DTX; or

a third time duration before an end of the active duration of the cell DTX or before a start of the inactive duration of the cell DTX.
The UE of claim 2 or 3, wherein the at least one time duration corresponds to at least one of the following:

a first timer starts at a first time duration before a start of the active duration of the cell DTX and ends when the active duration of the cell DTX starts, or starts at a first time duration before an end of the inactive duration of the cell DTX, and ends when the inactive duration of the cell DTX ends;

a second timer starts when the active duration of the cell DTX ends and ends at a second time duration after an end of the active duration of the cell DTX, or starts when the inactive duration of the cell DTX starts and ends at a second time duration after a start of the inactive duration of the cell DTX; or

a third timer starts at a third time duration before an end of the active duration of the cell DTX and ends when the active duration of the cell DTX ends, or starts at a third time duration before a start of the inactive duration of the cell DTX, and ends when the inactive duration of the cell DTX starts.
The UE of claim 3, wherein the processor is configured to determine to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition by:

determining to perform the LP-WUS monitoring within the LO or MO in the case that the LO or MO is within the first time duration; and

determining not to perform the LP-WUS monitoring within the LO or MO in the case that the LO or MO is within the second time duration or the third time duration.
The UE of claim 2, wherein the at least one time duration is associated with a wake up delay time or transition time of the UE in a UE capability report.
The UE of claim 2, wherein the processor is configured to determine to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition by:

determining to perform the LP-WUS monitoring within the LO or MO in the case that the active duration triggered by the LP-WUS received in the LO or MO is overlapped with the active duration of the cell DTX; and

determining not to perform the LP-WUS monitoring within the LO or MO in the case that the active duration triggered by the LP-WUS received in the LO or MO is not overlapped with the active duration of the cell DTX or fully overlapped with the inactive duration of the cell DTX.
The UE of claim 7, wherein the processor is configured to perform the LP-WUS monitoring by:

performing the LP-WUS monitoring within the LO or MO in the case that an overlapping ratio between the active duration triggered by the LP-WUS and the active duration of the cell DTX is higher than a threshold.
The UE of claim 2, wherein the processor is configured to determine to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition by:

determining to perform the LP-WUS monitoring within the LO or MO in the case that the LO or MO is within the active duration of the DTX pattern for the LP-WUS; and

determining not to perform the LP-WUS monitoring within the LO or MO in the case that the LO or MO is within the inactive duration of the DTX pattern for the LP-WUS.
The UE of claim 2, wherein the DTX pattern for the LP-WUS is activated based on at least one of the following:

determining that the cell DTX is activated;

receiving a radio resource control (RRC) signaling for activating the DTX pattern for the LP-WUS; or

receiving a medium access control (MAC) control element (CE) for activating the DTX pattern for the LP-WUS.
The UE of claim 1, wherein a LP-WUS from the base station further comprises an indication of performing a physical downlink control channel (PDCCH) monitoring when the active duration of the cell DTX starts in the case that the UE performs LP-WUS monitoring during inactive time of the cell DTX.
The UE of claim 2, wherein one of the following:

information of the at least one condition is received from the base station or predefined;

information of the at least one time duration is received from the base station or predefined; or

information of the DTX pattern for the LP-WUS is received from the base station or predefined.
The UE of claim 12, wherein one of the following:

information of the DTX pattern for the LP-WUS is received from the base station together with the first configuration in the case that the DTX pattern for the LP-WUS is associated with the cell; or

information of the DTX pattern for the LP-WUS is received from the base station together with the second configuration in the case that the DTX pattern for the LP-WUS is associated with the UE.
A base station comprising:

a processor; and

a transceiver coupled to the processor,

wherein the processor is configured to:

transmit, via the transceiver to a user equipment (UE) , a first configuration for cell discontinuous transmission (DTX) and a second configuration for a low power wake up signal (LP-WUS) ; and

determine to transmit a LP-WUS or not during an active duration or an inactive duration of the cell DTX based on at least one condition.
The base station of claim 14, wherein the at least one condition comprises at least one of the following:

evaluating whether a LP-WUS occasion (LO) or LP-WUS monitoring occasion (MO) configured by the second configuration is within at least one time duration;

evaluating whether an active duration triggered by the LP-WUS is overlapped with the active duration of the cell DTX; or

evaluating whether a LO or MO configured by the second configuration is within an active duration of a DTX pattern for the LP-WUS, wherein the DTX pattern for the LP-WUS comprises an active duration and an inactive duration for LP-WUS transmission and reception.
The base station of claim 15, wherein the at least one time duration comprises at least one of the following:

a first time duration before a start of the active duration of the cell DTX or before an end of the inactive duration of the cell DTX;

a second time duration after an end of the active duration of the cell DTX or after a start of the inactive duration of the cell DTX; or

a third time duration before an end of the active duration of the cell DTX or before a start of the inactive duration of the cell DTX.
The base station of claim 15, wherein the processor is configured to determine to transmit the LP-WUS or not during the active duration or the inactive duration of the cell DTX based on the at least one condition by:

determining to transmit the LP-WUS within the LO or MO in the case that the active duration triggered by the LP-WUS received in the LO or MO is overlapped with the active duration of the cell DTX; and

determining not to transmit the LP-WUS within the LO or MO in the case that the active duration triggered by the LP-WUS is not overlapped with the active duration of the cell DTX or fully overlapped with the inactive duration of the cell DTX.
The base station of claim 15, wherein the processor is configured to determine to transmit the LP-WUS or not during an active duration or an inactive duration of the cell DTX based on at least one condition by:

determining to transmit the LP-WUS within the LO or MO in the case that the LO or MO is within the active duration of the DTX pattern for the LP-WUS; and

determining not to transmit the LP-WUS within the LO or MO in the case that the LO or MO is within the inactive duration of the DTX pattern for the LP-WUS.
A processor for wireless communication, comprising:

at least one memory; and

a controller coupled with the at least one memory and configured to cause the controller to:

receive, from a base station, a first configuration for cell discontinuous transmission (DTX) and a second configuration for a low power wake up signal (LP-WUS) ; and

determine to perform LP-WUS monitoring or not during an active duration or an inactive duration of the cell DTX based on at least one condition.
A processor for wireless communication, comprising:

at least one memory; and

a controller coupled with the at least one memory and configured to cause the controller to:

transmit, to a user equipment (UE) , a first configuration for cell discontinuous transmission (DTX) and a second configuration for a low power wake up signal (LP-WUS) ; and

determine to transmit a LP-WUS or not during an active duration or an inactive duration of the cell DTX based on at least one condition.