CN119277500B - Power headroom reporting method, device, electronic device, chip, and medium - Google Patents
Power headroom reporting method, device, electronic device, chip, and mediumInfo
- Publication number
- CN119277500B CN119277500B CN202411366453.6A CN202411366453A CN119277500B CN 119277500 B CN119277500 B CN 119277500B CN 202411366453 A CN202411366453 A CN 202411366453A CN 119277500 B CN119277500 B CN 119277500B
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- Prior art keywords
- time slot
- terminal device
- power headroom
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- reporting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/365—Power headroom reporting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The disclosure relates to a method, a device, an electronic device, a chip and a medium for reporting power headroom, wherein the method comprises the steps of receiving an uplink authorization indication, sending the uplink authorization indication to a terminal device by network equipment corresponding to any one cell connected by the terminal device, determining a target time slot by combining time slot configuration of a plurality of cells connected by the terminal device under the condition that the terminal device has a virtual power headroom overrun phenomenon and triggers a power headroom reporting mechanism, determining actual power headroom of the terminal device in the plurality of cells on the target time slot to further report, wherein reporting the actual power headroom of the terminal device on the target time slot can avoid reporting the virtual power headroom of the terminal device on the target time slot, so that the network device can ensure that the network device schedules sufficient resource blocks for the terminal device, and the transmission rate of the terminal device is improved.
Description
Technical Field
The disclosure relates to the field of communication technologies, and in particular, to a method and device for reporting power headroom, an electronic device, a chip and a medium.
Background
The current power headroom reporting mechanism mainly includes that under the condition that the terminal equipment receives an uplink authorization instruction, for each cell connected with the terminal equipment, if the current time slot of the terminal equipment in the cell is an uplink time slot, the actual power headroom is reported, and if the current time slot of the terminal equipment in the cell is a downlink time slot, the virtual power headroom is reported.
In the above scheme, the virtual power headroom reported by the terminal device is limited, that is, only the headroom threshold is reported when the virtual power headroom is greater than the preset headroom threshold, so that the network device is caused to lack of resource blocks scheduled based on the power headroom reported by the terminal device, and the transmission rate of the terminal device is affected.
Disclosure of Invention
The disclosure provides a method, a device, electronic equipment, a chip and a medium for reporting power headroom.
According to a first aspect of embodiments of the present disclosure, a method for reporting power headroom is provided, where the method includes receiving an uplink grant indication, sending the uplink grant indication to a terminal device by a network device corresponding to any one of cells connected by the terminal device, determining a target time slot by combining time slot configurations of a plurality of cells connected by the terminal device when a virtual power headroom overrun phenomenon exists in the terminal device and a power headroom reporting mechanism is triggered, where the target time slots of the plurality of cells are all uplink time slots, determining an actual power headroom of the terminal device in the plurality of cells on the target time slot, and reporting the actual power headroom.
In one embodiment of the disclosure, the method further comprises determining a reference virtual power headroom of the terminal equipment on each path loss value in a preset path loss range, and determining that the virtual power headroom overrun phenomenon exists in the terminal equipment when the reference virtual power headroom larger than a preset headroom threshold exists.
In one embodiment of the disclosure, the determining a target time slot in combination with the time slot configuration of a plurality of cells connected by the terminal device includes determining, for each cell connected by the terminal device, whether each time slot of the cell is an uplink time slot according to the time slot configuration of the cell, determining, for each time slot of the respective time slots, the time slot as a candidate time slot if the time slots of the plurality of cells are uplink time slots, and determining, for each time slot, the candidate time slot as the target time slot if the number of interval time slots between the candidate time slot and a current time slot of the terminal device is less than or equal to a first number threshold.
In one embodiment of the disclosure, the method further includes determining a plurality of actual power headroom to be reported in combination with a plurality of historical power headroom reported by each historical time slot, if the target time slot is not determined in combination with time slot configuration of a plurality of cells connected by the terminal device.
In one embodiment of the disclosure, the determining a plurality of actual power margins to be reported by combining a plurality of historical power margins reported by each historical time slot includes determining, for each historical time slot, a number of interval time slots between the historical time slot and a current time slot of the terminal device when the plurality of historical power margins reported by the historical time slot are all historical actual power margins, and determining the plurality of historical actual power margins reported by the historical time slot as a plurality of actual power margins to be reported when the number of interval time slots is less than or equal to a second number threshold.
In one embodiment of the disclosure, the method further comprises determining a plurality of power headroom to be reported in combination with the time slot configuration of the plurality of cells connected with the terminal equipment, or determining the plurality of power headroom to be reported in combination with the time slot configuration of the plurality of cells, and reporting the plurality of power headroom under the condition that the target time slot is not determined in combination with the time slot configuration of the plurality of cells connected with the terminal equipment, and the plurality of actual power headroom to be reported are not determined in combination with the plurality of historical power headroom reported by each historical time slot.
In one embodiment of the disclosure, the determining a plurality of power headroom to be reported in combination with the time slot configuration of the plurality of cells includes determining, for each cell to which the terminal device is connected, whether a current time slot of the terminal device in the cell is an uplink time slot according to the time slot configuration of the cell, determining an actual power headroom of the terminal device in the cell if the current time slot is the uplink time slot, or determining a virtual power headroom of the terminal device in the cell if the current time slot is the downlink time slot, and determining the actual power headroom or the virtual power headroom of the terminal device in the plurality of cells on the current time slot as the power headroom to be reported.
According to a second aspect of the embodiments of the present disclosure, a method for receiving a power headroom is further provided, where the method includes sending an uplink grant indication to a terminal device, where network devices corresponding to a plurality of cells connected to the terminal device include network devices sending the uplink grant indication, receiving a plurality of actual power headroom reported by the terminal device, where the plurality of actual power headroom are actual power headroom to be reported in a target time slot, the target time slots of the plurality of cells are all uplink time slots, or the plurality of actual power headroom are actual power headroom to be reported in a current time slot, and determining the actual power headroom to be reported in the current time slot in combination with a plurality of historical power headroom reported by the terminal device in each historical time slot.
According to a third aspect of the embodiments of the present disclosure, there is further provided a reporting apparatus for a power headroom, where the apparatus includes a receiving module configured to receive an uplink grant indication, where the uplink grant indication is sent to a terminal device by a network device corresponding to any one of cells connected by the terminal device, a first determining module configured to determine a target time slot by combining time slot configurations of a plurality of cells connected to the terminal device when a virtual power headroom overrun phenomenon exists in the terminal device and a power headroom reporting mechanism is triggered, where the target time slots of the plurality of cells are all uplink time slots, and a second determining module configured to determine an actual power headroom of the terminal device in the plurality of cells on the target time slot, and where the reporting module is further configured to report the actual power headroom.
In one embodiment of the disclosure, the device further comprises a third determining module and a fourth determining module, wherein the third determining module is used for determining reference virtual power margins of the terminal equipment on various path loss values in a preset path loss range, and the fourth determining module is used for determining that the virtual power margin overrun phenomenon exists in the terminal equipment under the condition that the reference virtual power margins larger than a preset margin threshold exist.
In one embodiment of the disclosure, the first determining module is specifically configured to determine, for each cell to which the terminal device is connected, whether each time slot of the cell is an uplink time slot according to a time slot configuration of the cell, determine, for each of the time slots, the time slot as a candidate time slot when the time slots of the plurality of cells are all uplink time slots, and determine the candidate time slot as the target time slot when a number of time slots of an interval between the candidate time slot and a current time slot of the terminal device is less than or equal to a first number threshold.
In one embodiment of the disclosure, the device further includes a fifth determining module, configured to determine, in case that the time slot configuration of the cells connected to the terminal device does not determine that the target time slot is obtained, a plurality of actual power headroom to be reported in combination with a plurality of historical power headroom reported in each historical time slot.
In one embodiment of the present disclosure, the fifth determining module is specifically configured to determine, for each historical time slot, an interval time slot number between the historical time slot and a current time slot of the terminal device when a plurality of historical power margins reported by the historical time slot are all historical actual power margins, and determine, when the interval time slot number is less than or equal to a second number threshold, a plurality of historical actual power margins reported by the historical time slot as a plurality of actual power margins to be reported.
In one embodiment of the disclosure, the device further comprises a sixth determining module, wherein the sixth determining module is configured to determine, when the target time slot is not determined by combining time slot configurations of a plurality of cells connected with the terminal device and a plurality of actual power margins to be reported are not determined by combining a plurality of historical power margins reported by each historical time slot, a plurality of power margins to be reported are determined by combining the time slot configurations of the plurality of cells, or determine, when a virtual power margin overrun phenomenon does not exist in the terminal device, a plurality of power margins to be reported by combining the time slot configurations of the plurality of cells, and the reporting module is further configured to report the plurality of power margins.
In one embodiment of the present disclosure, the sixth determining module is specifically configured to determine, for each cell to which the terminal device is connected, whether a current time slot of the terminal device in the cell is an uplink time slot according to a time slot configuration of the cell, determine, if the current time slot is the uplink time slot, an actual power headroom of the terminal device in the cell, or determine, if the current time slot is a downlink time slot, a virtual power headroom of the terminal device in the cell, and determine, as a power headroom to be reported, the actual power headroom or the virtual power headroom of the terminal device in the plurality of cells on the current time slot.
According to a fourth aspect of the disclosed embodiments, there is further provided a power headroom receiving device, where the device includes a sending module configured to send an uplink grant indication to a terminal device, where network devices corresponding to a plurality of cells connected to the terminal device include network devices sending the uplink grant indication, and the receiving module is further configured to receive a plurality of actual power headroom reported by the terminal device, where the plurality of actual power headroom are actual power headroom to be reported by a target time slot, where the target time slots of the plurality of cells are all uplink time slots, or where the plurality of actual power headroom are actual power headroom to be reported by a current time slot, and where the actual power headroom to be reported by the current time slot is determined by combining a plurality of historical power headroom reported by the terminal device on each historical time slot.
According to a fifth aspect of the embodiments of the present disclosure, there is further provided a system for reporting a power headroom, which includes a terminal device and a network device that are in communication connection, where the terminal device performs the method for reporting the power headroom according to the embodiment of the first aspect, and the network device performs the method for receiving the power headroom according to the embodiment of the second aspect.
According to a sixth aspect of the embodiments of the present disclosure, there is also provided an electronic device, including a processor, and a memory for storing instructions executable by the processor, where the processor is configured to implement the steps of the method for reporting the power headroom as described above, or implement the steps of the method for receiving the power headroom as described above.
According to a seventh aspect of embodiments of the present disclosure, there is also provided a non-transitory computer-readable storage medium, which when executed by a processor, causes the processor to perform the method of reporting the power headroom as described above, or to perform the method of receiving the power headroom as described above.
According to an eighth aspect of the embodiments of the present disclosure, there is further provided a chip, including one or more interface circuits and one or more processors, where the interface circuits are configured to receive a signal, where the signal includes computer instructions, and when the processor executes the computer instructions, cause the chip to perform a method for reporting a power headroom as described above, or perform a method for receiving a power headroom as described above.
The technical scheme provided by the embodiment of the disclosure at least brings the following beneficial effects:
The method comprises the steps of receiving an uplink authorization instruction, sending the uplink authorization instruction to a terminal device by network equipment corresponding to any cell connected by the terminal device, determining a target time slot by combining time slot configuration of a plurality of cells connected by the terminal device under the condition that virtual power margin overrun exists in the terminal device and a power margin reporting mechanism is triggered, determining actual power margins of the terminal device in the plurality of cells on the target time slot, and reporting the actual power margins of the terminal device, wherein reporting the actual power margins of the terminal device on the target time slot can be avoided, so that accurate power margins can be reported, and further, the network device can be ensured to schedule sufficient resource blocks for the terminal device, and the transmission rate of the terminal device is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure and do not constitute an undue limitation on the disclosure.
Fig. 1 is a flowchart of a method for reporting a power headroom according to an embodiment of the present disclosure;
fig. 2 is a flowchart of a method for reporting a power headroom according to another embodiment of the present disclosure;
fig. 3 is a flowchart of a method for reporting a power headroom according to another embodiment of the present disclosure;
FIG. 4 is a diagram illustrating a comparison of resource scheduling;
Fig. 5 is a schematic diagram of reporting a power headroom;
fig. 6 is a flowchart of a method of receiving a power headroom according to an embodiment of the present disclosure;
Fig. 7 is a schematic structural diagram of a power headroom reporting device according to an embodiment of the present disclosure;
Fig. 8 is a schematic structural diagram of a power headroom receiving apparatus according to an embodiment of the present disclosure;
FIG. 9 is a block diagram of an electronic device, according to an exemplary embodiment of the present disclosure;
Fig. 10 is a schematic structural diagram of a chip according to an embodiment of the disclosure.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the present disclosure, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the foregoing figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the disclosure described herein may be capable of operation in sequences other than those illustrated or described herein. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
The current power headroom reporting mechanism mainly includes that under the condition that the terminal equipment receives an uplink authorization instruction, for each cell connected with the terminal equipment, if the current time slot of the terminal equipment in the cell is an uplink time slot, the actual power headroom is reported, and if the current time slot of the terminal equipment in the cell is a downlink time slot, the virtual power headroom is reported.
In the above scheme, the virtual power headroom reported by the terminal device is limited, that is, only the headroom threshold is reported when the virtual power headroom is greater than the preset headroom threshold, so that the network device is caused to lack of resource blocks scheduled based on the power headroom reported by the terminal device, and the transmission rate of the terminal device is affected.
Fig. 1 is a flowchart of a method for reporting a power headroom according to an embodiment of the present disclosure. It should be noted that, the method for reporting the power headroom according to the present embodiment may be applied to a device for reporting the power headroom, where the device may be configured in an electronic device or a chip, so that the electronic device or the chip may perform a function of reporting the power headroom.
The electronic device may be any device with computing capability, for example, may be a personal computer (Personal Computer, abbreviated as PC), a mobile terminal, a terminal device, a server, and the like, and the mobile terminal may be, for example, a vehicle-mounted device, a mobile phone, a tablet computer, a personal digital assistant, a wearable device, and other hardware devices with various operating systems, touch screens, and/or display screens.
The reporting device of the power headroom may be software in the electronic device. The software is, for example, power headroom reporting software. In the following embodiments, an execution body is taken as an example of a terminal device.
As shown in fig. 1, the method comprises the steps of:
and 101, receiving an uplink authorization instruction, wherein the uplink authorization instruction is sent to the terminal equipment by the network equipment corresponding to any cell connected by the terminal equipment.
In the embodiment of the present disclosure, the uplink grant indication may be indication information sent by the network device to the terminal device, and is used to indicate which uplink resources can be used by the terminal device for uplink data transmission. For example, the uplink grant indication may indicate the number of Resource blocks (Resource blocks) allocated by the network device to the terminal device.
The terminal device may be connected to a plurality of cells; for each cell, uplink resources when the terminal device communicates with the network device corresponding to the cell may be indicated by the network device.
It should be noted that, one network device may cover multiple cells, so that in order to facilitate differentiation, the uplink grant indication may carry a cell identifier, and based on the cell identifier, it may be determined which cell the network device allocates uplink resources to. The network device covers a plurality of adjacent cells, and the plurality of cells connected by the terminal device may be adjacent cells, which is described herein by taking the example that the plurality of cells connected by the terminal device correspond to the same network device.
In the embodiment of the disclosure, when receiving the uplink authorization instruction of the network device for one of the cells, the terminal device may implement the allocation processing of uplink resources of the cells according to the reported power headroom of the cells by reporting the power headroom of the cells.
Step 102, determining a target time slot by combining time slot configuration of a plurality of cells connected with the terminal equipment under the condition that the virtual power margin exceeds the limit of the terminal equipment and a power margin reporting mechanism is triggered, wherein the target time slots of the plurality of cells are uplink time slots.
In the embodiment of the disclosure, the process of determining whether the virtual power headroom overrun phenomenon exists in the terminal device by the terminal device may be, for example, determining a reference virtual power headroom of the terminal device on each path loss value in a preset path loss range, and determining that the virtual power headroom overrun phenomenon exists in the terminal device when the reference virtual power headroom greater than a preset headroom threshold exists. For example, when the path loss value is less than 82dB, there may be a case where the reference virtual power headroom is greater than the preset headroom threshold.
The reference virtual power margin of the terminal device on the path loss value can be determined by combining the path loss value, a control parameter of Physical Random access channel (Physical Random ACCESS CHANNEL, PRACH) transmitting power, and the like.
It should be noted that, if a certain reference virtual power headroom is greater than a preset headroom threshold, the virtual power headroom calculated by combining with the actual path loss value may have a situation of exceeding the preset headroom threshold, so that the terminal device only reports the preset headroom threshold when reporting, but does not report the calculated virtual power headroom, and there may be a problem of too few allocated uplink resources. Therefore, whether the virtual power headroom overrun phenomenon exists in the terminal equipment is determined based on the reference power headroom, and the determination accuracy of the virtual power headroom overrun phenomenon can be improved.
In the embodiment of the present disclosure, when the target time slots of the plurality of cells are all uplink time slots, for each of the plurality of cells, the terminal device may perform calculation and reporting processing of an actual power headroom. The virtual power margin is calculated and determined on the basis of the assumption that only a single resource block is allocated, and the calculated virtual power margin is larger. Therefore, the power headroom is far smaller than the virtual power headroom, the actual power headroom is not larger than the preset headroom threshold, and the situation that the uplink resources allocated subsequently are too few can be avoided.
The target time slot may be the current time slot, or the target time slot may be a time slot subsequent to the current time slot.
The actual power headroom may be determined by combining the Uplink grant type, the configuration of the Physical Uplink shared channel (Physical Uplink SHARED CHANNEL, PUSCH) where the allocated resource block is located, the number of allocated resource blocks, and the like.
Step 103, determining the actual power margin of the terminal equipment in a plurality of cells on the target time slot.
And 104, reporting the actual power margins.
In the embodiment of the disclosure, the terminal equipment can also execute the following processes of determining a plurality of power margins to be reported by combining the time slot configuration of a plurality of cells under the condition that the time slot configuration of the cells connected with the terminal equipment is not determined to obtain the target time slot, and reporting the power margins.
The process of determining the multiple power margins to be reported by the terminal device in combination with the time slot configuration of the multiple cells may be, for example, determining, for each cell to which the terminal device is connected, whether a current time slot of the terminal device in the cell is an uplink time slot according to the time slot configuration of the cell, determining an actual power margin of the terminal device in the cell if the current time slot is the uplink time slot, or determining a virtual power margin of the terminal device in the cell if the current time slot is a downlink time slot, and determining the actual power margin or the virtual power margin of the terminal device in the multiple cells on the current time slot as the power margin to be reported.
In the method for reporting the power headroom of the embodiment of the disclosure, the uplink authorization indication is received, the network equipment corresponding to any one cell connected by the terminal equipment sends the uplink authorization indication to the terminal equipment, when the virtual power headroom overrun phenomenon exists in the terminal equipment and a power headroom reporting mechanism is triggered, a target time slot is determined by combining time slot configuration of a plurality of cells connected by the terminal equipment, the target time slots of the plurality of cells are all uplink time slots, the actual power headroom of the terminal equipment in the plurality of cells is determined on the target time slot, reporting of the actual power headroom of the terminal equipment is performed on the target time slot, and reporting of the virtual power headroom of the terminal equipment on the target time slot can be avoided, so that the accurate power headroom can be reported, and further, the network equipment is ensured to schedule sufficient resource blocks for the terminal equipment, and the transmission rate of the terminal equipment is improved.
Fig. 2 is a flowchart of a method for reporting a power headroom according to another embodiment of the present disclosure. It should be noted that, the method for reporting the power headroom according to the present embodiment may be applied to a device for reporting the power headroom, where the device may be configured in an electronic device or a chip, so that the electronic device or the chip may perform a function of reporting the power headroom.
The electronic device may be any device with computing capability, for example, may be a personal computer (Personal Computer, abbreviated as PC), a mobile terminal, a terminal device, a server, a controller in a vehicle, and the mobile terminal may be a vehicle-mounted device, a mobile phone, a tablet computer, a personal digital assistant, a wearable device, and other hardware devices with various operating systems, touch screens, and/or display screens.
The reporting device of the power headroom may be software in the electronic device. The software is, for example, power headroom reporting software. In the following embodiments, an execution body is taken as an example of a terminal device.
As shown in fig. 2, the method comprises the steps of:
Step 201, receiving an uplink authorization instruction, wherein the uplink authorization instruction is sent to the terminal equipment by the network equipment corresponding to any cell connected by the terminal equipment.
Step 202, under the condition that the virtual power margin overrun exists in the terminal equipment and the power margin reporting mechanism is triggered, determining whether each time slot of the cell is an uplink time slot according to the time slot configuration of the cell for each cell connected with the terminal equipment.
In step 203, for each of the slots, if the slots of the plurality of cells are uplink slots, the slots are determined as candidate slots.
In the embodiment of the present disclosure, when the terminal device calculates the actual power headroom, the resource block in the number of allocated resource blocks that needs to be used is the uplink resource block. When the time slot is a downlink time slot, the allocated resource block is a downlink resource block, which is difficult to be used for calculating the actual power margin and only the virtual power margin can be calculated. Therefore, it is necessary to determine whether each time slot of the cells is an uplink time slot, and if all time slots of the cells are uplink time slots, the time slots are determined as candidate time slots.
In order to ensure that the actual power margin can be calculated subsequently, when it is determined that the slots of the plurality of cells are uplink slots, it is also necessary to determine whether or not resource blocks are allocated to the slots of the plurality of cells, and if resource blocks are allocated, uplink resource blocks are allocated, so that the actual power margin can be calculated subsequently. Correspondingly, the process of the terminal device in step 203 may be, for example, determining, for each of the time slots, the time slot as a candidate time slot when the time slots of the plurality of cells are all uplink time slots and are allocated with resource blocks.
Step 204, determining the candidate time slot as the target time slot in the case that the number of interval time slots between the candidate time slot and the current time slot of the terminal device is smaller than or equal to the first number threshold.
In order to ensure that the power headroom is reported quickly in time and avoid the hysteresis of the power headroom reporting, the terminal device needs to ensure that the number of interval time slots between the target time slot and the current time slot is smaller than or equal to a first number threshold.
Wherein in particular the terminal device may further perform the procedure of stopping determining the candidate time slot as the target time slot in case the number of spaced time slots between the candidate time slot and the current time slot of the terminal device is larger than the first number threshold.
In addition, when the number of the target time slots is a plurality of, the number of the interval time slots between each target time slot and the current time slot can be determined, and the target time slot with the minimum number of the interval time slots is reserved, and other target time slots are ignored.
Step 205, determining the actual power headroom of the terminal equipment in the multiple cells on the target time slot.
In the embodiment of the present disclosure, the process of the terminal device performing step 205 may be, for example, determining, for each of a plurality of cells, an actual power headroom of the terminal device in the cell on the target timeslot based on the uplink grant type on the target timeslot, the number of allocated resource blocks, and the like.
And 206, reporting the actual power margins.
It should be noted that, the detailed descriptions of step 201, step 205 and step 206 may refer to step 101, step 103 and step 104 in the embodiment shown in fig. 1, and will not be described in detail here.
In the method for reporting the power headroom according to the embodiment of the disclosure, an uplink authorization indication is received, network equipment corresponding to any one cell connected by a terminal equipment is sent to the terminal equipment, when the virtual power headroom overrun phenomenon exists in the terminal equipment and a power headroom reporting mechanism is triggered, according to time slot configuration of the cell, whether each time slot of the cell is an uplink time slot is determined for each time slot according to the time slot configuration of the cell, when the time slots of the cells are all uplink time slots, the time slots are determined to be candidate time slots, when the number of interval time slots between the candidate time slots and the current time slots of the terminal equipment is smaller than or equal to a first number threshold, the candidate time slots are determined to be target time slots, the actual power headroom of the terminal equipment in the cells is determined to be the target time slots, reporting processing is performed on the actual power headroom of the plurality of the actual power equipment, and when the time slots of the cells are all uplink time slots and the number of the interval time slots between the time slots of the cells and the current time slots of the terminal equipment is smaller than or equal to the first number threshold, the target time slots can be determined to be the target time slots, and sufficient power headroom can be further guaranteed to be scheduled to the terminal equipment, and the network equipment can be further guaranteed to be scheduled to the target time slots.
Fig. 3 is a flowchart of a method for reporting a power headroom according to another embodiment of the present disclosure. It should be noted that, the method for reporting the power headroom according to the present embodiment may be applied to a device for reporting the power headroom, where the device may be configured in an electronic device or a chip, so that the electronic device or the chip may perform a function of reporting the power headroom.
The electronic device may be any device with computing capability, for example, may be a personal computer (Personal Computer, abbreviated as PC), a mobile terminal, a terminal device, a server, a controller in a vehicle, and the mobile terminal may be a vehicle-mounted device, a mobile phone, a tablet computer, a personal digital assistant, a wearable device, and other hardware devices with various operating systems, touch screens, and/or display screens.
The reporting device of the power headroom may be software in the electronic device. The software is, for example, power headroom reporting software. In the following embodiments, an execution body is taken as an example of a terminal device.
As shown in fig. 3, the method comprises the steps of:
Step 301, receiving an uplink authorization instruction, wherein the uplink authorization instruction is sent to the terminal device by the network device corresponding to any cell connected by the terminal device.
Step 302, under the condition that the virtual power margin overrun exists in the terminal equipment and the power margin reporting mechanism is triggered, determining a target time slot by combining time slot configuration of a plurality of cells connected with the terminal equipment, wherein the target time slots of the cells are uplink time slots.
In the embodiment of the disclosure, the terminal equipment can also execute the following process of determining a plurality of power margins to be reported by combining time slot configuration of a plurality of cells under the condition that the virtual power margin overrun phenomenon does not exist in the terminal equipment. Among the power margins to be reported, a part of the power margins may be virtual power margins and a part of the power margins may be actual power margins.
In addition, the terminal device may stop performing the power headroom reporting process when the terminal device does not trigger the power headroom reporting mechanism.
Step 303, in the case that the time slot configuration of the cells connected with the terminal device is combined and the target time slot is not determined, combining a plurality of historical power margins reported by each historical time slot to determine a plurality of actual power margins to be reported.
In this embodiment of the present disclosure, the process of executing step 303 by the terminal device may be, for example, determining, for each historical slot, the number of interval slots between the historical slot and the current slot of the terminal device when the plurality of historical power margins reported by the historical slot are all historical actual power margins, and determining, when the number of interval slots is less than or equal to the second number threshold, the plurality of historical actual power margins reported by the historical slot as a plurality of actual power margins to be reported.
In the case that the time slot configuration of a plurality of cells connected by the terminal device is combined to obtain the target time slot, the situation that the virtual power allowance is reported may exist in each time slot after the current time slot is indicated, so that the accuracy of the uplink resources which are distributed subsequently is difficult to ensure. And each historical actual power margin on the historical time slot which reports the historical actual power margin is adopted as the actual power margin on the current time slot to report, so that the condition of reporting the virtual power margin can be avoided, and the accuracy of the uplink resources which are distributed subsequently is ensured.
Step 304, when the target time slot is not determined by combining the time slot configuration of the cells connected with the terminal device and the actual power margins to be reported are not determined by combining the historical power margins reported by the historical time slots, determining the power margins to be reported by combining the time slot configuration of the cells.
The actual process of determining the plurality of power headroom to be reported by the terminal device in combination with the timeslot configuration of the plurality of cells may be referred to the description in the embodiment shown in fig. 1, and will not be described in detail herein.
In step 305, a plurality of power headroom is reported.
Note that, a schematic diagram of resource scheduling comparison of resource block scheduling based on the actual power headroom and resource block scheduling based on the virtual power headroom may be shown in fig. 4. In fig. 4, PL-RB Alloc represents a graph of the relationship between the path loss and the scheduled resource blocks, i.e., the case of the scheduled resource blocks in the case of respective path losses. Where PL denotes path loss and RB denotes resource blocks.
It should be noted that, the detailed description of step 301 and step 302 may refer to step 101 and step 102 in the embodiment shown in fig. 1, and will not be described in detail here.
In the method for reporting the power headroom of the embodiment of the disclosure, the uplink authorization indication is received, network equipment corresponding to any one cell connected by the terminal equipment transmits the uplink authorization indication to the terminal equipment, when the virtual power headroom is over-limited and a power headroom reporting mechanism is triggered, a target time slot is determined by combining time slot configuration of a plurality of cells connected by the terminal equipment, the target time slots of the plurality of cells are all uplink time slots, when the target time slot is not determined by combining time slot configuration of the plurality of cells connected by the terminal equipment, the plurality of actual power headroom to be reported are determined by combining with the plurality of historical power headroom to be reported, and when the target time slot is not determined by combining time slot configuration of the plurality of cells connected by the terminal equipment and the plurality of actual power headroom to be reported by combining with the plurality of historical power headroom to be determined by the plurality of the historical power headroom, the target time slot configuration of the plurality of cells connected by the terminal equipment is not determined, the power headroom to be reported by the terminal equipment is further scheduled, and the power headroom to be more accurate, and therefore the power headroom to be reported by the network equipment is avoided.
The following examples are illustrative. Fig. 5 is a schematic diagram of reporting the power headroom. In fig. 5, the terminal device may perform the following steps. Step 501, it is determined whether NW configuration (network configuration) will cause the good point virtual PH to exceed the reporting upper limit (i.e. whether the terminal device has a virtual power headroom overrun), if so, step 502 is executed, and if not, step 507 is executed. Step 502, determining that there is a trigger PHR (i.e., trigger power headroom reporting mechanism) in the carrier aggregation scenario. Step 503, determining whether the configuration on the time slots of the primary and secondary cells is different if the uplink grant (i.e. the uplink grant indication) is received, if so, executing step 505, and if not, executing step 504. Step 504, if the sending time slot of the uplink grant indication is the uplink time slot for the primary and secondary cells (each cell connected by the terminal device), step 505 is executed if yes, and step 503 is executed if no. In step 505, the primary and secondary cell PH type is confirmed (i.e. the reporting of the actual power headroom is confirmed). Step 506, calculating PH and reporting PHR (calculating actual power headroom and reporting). In step 507, the normal PHR procedure (i.e. combining the slot configurations of the cells, determining a plurality of power headroom to be reported, and reporting).
Fig. 6 is a flowchart of a method for receiving a power headroom according to an embodiment of the present disclosure. It should be noted that, the power headroom receiving method of the present embodiment may be applied to a power headroom receiving device, and the device may be configured in an electronic device or a chip, so that the electronic device or the chip may perform a power headroom receiving function.
The electronic device may be any device with computing capability, for example, may be a personal computer (Personal Computer, abbreviated as PC), a mobile terminal, a terminal device, a server, and the like, and the mobile terminal may be, for example, a vehicle-mounted device, a mobile phone, a tablet computer, a personal digital assistant, a wearable device, and other hardware devices with various operating systems, touch screens, and/or display screens.
The power headroom receiving device may be software in the electronic device. The software is, for example, power headroom receiving software. In the following embodiments, an execution subject is taken as an example of a network device.
As shown in fig. 6, the method comprises the steps of:
and 601, sending an uplink authorization instruction to the terminal equipment, wherein the network equipment corresponding to a plurality of cells connected with the terminal equipment comprises the network equipment for sending the uplink authorization instruction.
In the embodiment of the present disclosure, the uplink grant indication may be indication information sent by the network device to the terminal device, and is used to indicate which uplink resources can be used by the terminal device for uplink data transmission. For example, the uplink grant indication may indicate the number of Resource blocks (Resource blocks) allocated by the network device to the terminal device.
It should be noted that, one network device may cover multiple cells, so that in order to facilitate differentiation, the uplink grant indication may carry a cell identifier, and based on the cell identifier, it may be determined which cell the network device allocates uplink resources to. The network device covers a plurality of adjacent cells, and the plurality of cells connected by the terminal device may be adjacent cells, which is described herein by taking the example that the plurality of cells connected by the terminal device correspond to the same network device.
Step 602, receiving a plurality of actual power margins reported by a terminal device, wherein the plurality of actual power margins are actual power margins to be reported by a target time slot, the target time slots of a plurality of cells are uplink time slots, or the plurality of actual power margins are actual power margins to be reported by a current time slot, and the actual power margins to be reported by the current time slot are determined by combining the plurality of historical power margins reported by the terminal device on each historical time slot.
In an example of the embodiment of the disclosure, the plurality of actual power headroom is an actual power headroom to be reported on a target time slot, and the target time slots of the plurality of cells are uplink time slots.
The number of interval time slots between the target time slot and the current time slot of the network device for issuing the uplink grant indication may be less than or equal to the first number threshold.
In another example, the actual power headroom is the actual power headroom to be reported on the current time slot, and the actual power headroom to be reported on the current time slot is determined by combining the historical power headroom reported by the terminal equipment on each historical time slot.
The actual power headroom to be reported in the current time slot may be specifically a plurality of historical power headroom reported by the terminal device in a certain historical time slot. Wherein the number of spaced slots between the historical slot and the current slot may be less than or equal to a second number threshold.
In the embodiment of the present disclosure, after step 602, the network device may further perform a process of allocating resource blocks in a plurality of cells to the terminal device in combination with a plurality of actual power headroom reported by the terminal device.
In the power headroom receiving method, uplink authorization instructions are sent to terminal equipment, network equipment for sending the uplink authorization instructions is contained in network equipment corresponding to a plurality of cells connected with the terminal equipment, the plurality of actual power headroom reported by the terminal equipment are received, the plurality of actual power headroom is the actual power headroom to be reported on a target time slot, the target time slots of the plurality of cells are uplink time slots, or the plurality of actual power headroom is the actual power headroom to be reported on a current time slot, the actual power headroom to be reported on the current time slot is determined by combining the plurality of historical power headroom reported by the terminal equipment on each historical time slot, and the receiving of the plurality of actual power headroom is avoided, so that the accurate power headroom can be received, and further the network equipment is ensured to schedule sufficient resource blocks for the terminal equipment.
Fig. 7 is a schematic structural diagram of a power headroom reporting device according to an embodiment of the present disclosure.
As shown in fig. 7, the reporting device of the power headroom may include a receiving module 701, a first determining module 702, a second determining module 703 and a reporting module 704.
The terminal equipment comprises a receiving module 701, a first determining module 702, a reporting module 704 and a reporting module, wherein the receiving module 701 is used for receiving an uplink authorization indication, the uplink authorization indication is sent to the terminal equipment by network equipment corresponding to any one cell connected by the terminal equipment, the first determining module 702 is used for determining a target time slot by combining time slot configuration of a plurality of cells connected by the terminal equipment under the condition that the virtual power margin overrun phenomenon exists in the terminal equipment and a power margin reporting mechanism is triggered, the target time slots of the plurality of cells are all uplink time slots, the second determining module 703 is also used for determining actual power margins of the terminal equipment in the plurality of cells on the target time slot, and the reporting module 704 is also used for reporting the actual power margins.
In one embodiment of the disclosure, the device further comprises a third determining module and a fourth determining module, wherein the third determining module is used for determining reference virtual power margins of the terminal equipment on various path loss values in a preset path loss range, and the fourth determining module is used for determining that the virtual power margin overrun phenomenon exists in the terminal equipment under the condition that the reference virtual power margins larger than a preset margin threshold exist.
In one embodiment of the disclosure, the first determining module is specifically configured to determine, for each cell to which the terminal device is connected, whether each time slot of the cell is an uplink time slot according to a time slot configuration of the cell, determine, for each of the time slots, the time slot as a candidate time slot when the time slots of the plurality of cells are all uplink time slots, and determine the candidate time slot as the target time slot when a number of time slots of an interval between the candidate time slot and a current time slot of the terminal device is less than or equal to a first number threshold.
In one embodiment of the disclosure, the device further includes a fifth determining module, configured to determine, in case that the time slot configuration of the cells connected to the terminal device does not determine that the target time slot is obtained, a plurality of actual power headroom to be reported in combination with a plurality of historical power headroom reported in each historical time slot.
In one embodiment of the present disclosure, the fifth determining module is specifically configured to determine, for each historical time slot, an interval time slot number between the historical time slot and a current time slot of the terminal device when a plurality of historical power margins reported by the historical time slot are all historical actual power margins, and determine, when the interval time slot number is less than or equal to a second number threshold, a plurality of historical actual power margins reported by the historical time slot as a plurality of actual power margins to be reported.
In one embodiment of the disclosure, the device further comprises a sixth determining module, wherein the sixth determining module is configured to determine, when the target time slot is not determined by combining time slot configurations of a plurality of cells connected with the terminal device and a plurality of actual power margins to be reported are not determined by combining a plurality of historical power margins reported by each historical time slot, a plurality of power margins to be reported are determined by combining the time slot configurations of the plurality of cells, or determine, when a virtual power margin overrun phenomenon does not exist in the terminal device, a plurality of power margins to be reported by combining the time slot configurations of the plurality of cells, and the reporting module is further configured to report the plurality of power margins.
In one embodiment of the present disclosure, the sixth determining module is specifically configured to determine, for each cell to which the terminal device is connected, whether a current time slot of the terminal device in the cell is an uplink time slot according to a time slot configuration of the cell, determine, if the current time slot is the uplink time slot, an actual power headroom of the terminal device in the cell, or determine, if the current time slot is a downlink time slot, a virtual power headroom of the terminal device in the cell, and determine, as a power headroom to be reported, the actual power headroom or the virtual power headroom of the terminal device in the plurality of cells on the current time slot.
In the power headroom reporting device of the embodiment of the disclosure, the uplink authorization indication is received, the network equipment corresponding to any one cell connected by the terminal equipment sends the uplink authorization indication to the terminal equipment, when the virtual power headroom overrun phenomenon exists in the terminal equipment and a power headroom reporting mechanism is triggered, a target time slot is determined by combining time slot configuration of a plurality of cells connected by the terminal equipment, the target time slots of the plurality of cells are all uplink time slots, the actual power headroom of the terminal equipment in the plurality of cells is determined on the target time slot, reporting of the actual power headroom of the terminal equipment is performed on the target time slot, and reporting of the virtual power headroom of the terminal equipment on the target time slot can be avoided, so that accurate power headroom can be reported, and further, the network equipment is ensured to schedule sufficient resource blocks for the terminal equipment, and the transmission rate of the terminal equipment is improved.
Fig. 8 is a schematic structural diagram of a power headroom receiving device according to an embodiment of the present disclosure.
As shown in fig. 8, the power headroom receiving apparatus may include a transmitting module 801 and a receiving module 802.
The terminal equipment comprises a sending module 801, a receiving module 802, a sending module 801, a receiving module 802 and a determining module, wherein the sending module 801 is used for sending an uplink authorization instruction to the terminal equipment, the network equipment corresponding to a plurality of cells connected with the terminal equipment comprises the network equipment for sending the uplink authorization instruction, the receiving module 802 is also used for receiving a plurality of actual power margins reported by the terminal equipment, the actual power margins are actual power margins to be reported on a target time slot, the target time slots of the cells are all uplink time slots, or the actual power margins are actual power margins to be reported on a current time slot, the actual power margins to be reported on the current time slot are determined by combining the historical power margins reported by the terminal equipment on each historical time slot.
In the power headroom receiving device, an uplink authorization instruction is sent to a terminal device, network devices corresponding to a plurality of cells connected by the terminal device comprise the network device for sending the uplink authorization instruction, a plurality of actual power headroom reported by the terminal device are received, the actual power headroom is the actual power headroom to be reported on a target time slot, the target time slots of the cells are uplink time slots, or the actual power headroom to be reported on a current time slot is the actual power headroom to be reported on the current time slot, the actual power headroom to be reported on the current time slot is determined by combining the historical power headroom reported by the terminal device on each historical time slot, and the actual power headroom is received, so that the virtual power headroom is avoided, the accurate power headroom can be received, and the network device is ensured to schedule sufficient resource blocks for the terminal device.
According to a fifth aspect of the embodiments of the present disclosure, there is further provided a system for reporting a power headroom, which includes a terminal device and a network device that are in communication connection, where the terminal device performs a method for reporting a power headroom according to the embodiments in fig. 1 to 3, and the network device performs a method for receiving a power headroom according to the embodiment in fig. 6.
According to a sixth aspect of embodiments of the present disclosure, there is also provided an electronic device comprising a processor, a memory for storing processor-executable instructions, wherein the processor is configured to implement the steps of the method of reporting a power headroom as described above, or to implement the steps of the method of receiving a power headroom as described above.
To achieve the above embodiments, the present disclosure also proposes a non-transitory computer-readable storage medium.
Wherein the instructions in the storage medium, when executed by the processor, enable the processor to perform a method of reporting a power headroom as described above, or to perform a method of receiving a power headroom as described above.
To achieve the above embodiments, the present disclosure also provides a computer program product.
Wherein the computer program product, when executed by a processor of an electronic device, enables the electronic device to perform the method as above.
Fig. 9 is a block diagram of an electronic device, according to an example embodiment. The electronic device shown in fig. 9 is merely an example, and should not impose any limitations on the functionality and scope of use of embodiments of the present disclosure.
As shown in fig. 9, the electronic device 1000 includes a processor 111 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 112 or a program loaded from a Memory 116 into a random access Memory (RAM, random Access Memory) 113. In the RAM 113, various programs and data required for the operation of the electronic apparatus 1000 are also stored. The processor 111, the ROM 112, and the RAM 113 are connected to each other through a bus 114. An Input/Output (I/O) interface 115 is also connected to bus 114.
The following components are connected to the I/O interface 115, a memory 116 including a hard disk or the like, and a communication section 117 including a network interface card such as a local area network (Local Area Network, LAN) card, modem or the like, the communication section 117 performing communication processing via a network such as the internet, and a drive 118 is also connected to the I/O interface 115 as necessary.
In particular, according to embodiments of the present disclosure, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program embodied on a computer readable medium, the computer program containing program code for performing the methods shown in the flowcharts. In such an embodiment, the computer program may be downloaded and installed from the network through the communication section 117. The above-described functions defined in the methods of the present disclosure are performed when the computer program is executed by the processor 111.
In an exemplary embodiment, a storage medium is also provided, such as a memory, comprising instructions executable by the processor 111 of the electronic device 1000 to perform the above-described method. Alternatively, the storage medium may be a non-transitory computer readable storage medium, for example, a ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
In the context of this disclosure, a computer-readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present disclosure, however, the computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Fig. 10 is a schematic structural diagram of a chip according to an embodiment of the disclosure. As shown in fig. 10, the chip includes a processor 1001 and interface circuitry 1002. Wherein the number of processors 1001 may be one or more, and the number of interface circuits 1002 may be one or more.
Optionally, the interface circuit 1002 is configured to receive a signal, where the signal includes computer instructions, and when the processor 1001 executes the computer instructions, cause the chip to execute the method for reporting the power headroom or the method for receiving the power headroom described in the above embodiments of the disclosure.
The processing of collecting, storing, using, processing, transmitting, providing, disclosing and the like of the personal information of the user in the application accords with the regulations of related laws and regulations and does not violate the popular regulations of the public order.
Furthermore, the word "exemplary" is used herein to mean serving as an example, instance, illustration. Any aspect or design described herein as "exemplary" is not necessarily to be construed as advantageous over other aspects or designs. Rather, the use of the word exemplary is intended to present concepts in a concrete fashion. As used herein, the term "or" is intended to mean an inclusive "or" rather than an exclusive "or". That is, unless specified otherwise, or clear from context, "X application a or B" is intended to mean any one of the natural inclusive permutations. That is, if X application A, X application B, or both X applications A and B, "X application A or B" is satisfied under any of the foregoing instances. In addition, the articles "a" and "an" as used in this application and the appended claims are generally understood to mean "one or more" unless specified otherwise or clear from context to be directed to a singular form.
Also, although the disclosure has been shown and described with respect to one or more implementations, equivalent alterations and modifications will occur to others skilled in the art upon the reading and understanding of this specification and the annexed drawings. The present disclosure includes all such modifications and alterations and is limited only by the scope of the claims. In particular regard to the various functions performed by the above described components (e.g., elements, resources, etc.), the terms used to describe such components are intended to correspond, unless otherwise indicated, to any component which performs the specified function of the described component (which is functionally equivalent), even though not structurally equivalent to the disclosed structure. In addition, while a particular feature of the disclosure may have been disclosed with respect to only one of several implementations, such feature may be combined with one or more other features of the other implementations as may be desired and advantageous for any given or particular application. Furthermore, to the extent that the terms "includes," including, "" has, "" having, "or variants thereof are used in either the detailed description or the claims, such terms are intended to be inclusive in a manner similar to the term" comprising.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (14)
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| CN102893679A (en) * | 2010-02-12 | 2013-01-23 | 松下电器产业株式会社 | Power headroom reporting for non-scheduled uplink component carriers |
| CN109587768A (en) * | 2017-09-28 | 2019-04-05 | 维沃移动通信有限公司 | Method and apparatus, user terminal and the network equipment of reporting power margin report |
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| CN113543042B (en) * | 2020-04-22 | 2022-09-23 | 维沃移动通信有限公司 | Power reporting method and equipment |
| WO2023216096A1 (en) * | 2022-05-10 | 2023-11-16 | Qualcomm Incorporated | Periodic power headroom report for uplink carrier aggregation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102893679A (en) * | 2010-02-12 | 2013-01-23 | 松下电器产业株式会社 | Power headroom reporting for non-scheduled uplink component carriers |
| CN109587768A (en) * | 2017-09-28 | 2019-04-05 | 维沃移动通信有限公司 | Method and apparatus, user terminal and the network equipment of reporting power margin report |
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