FI943605A0 - Menetelmä etenemisteiden valitsemiseksi, jotka on varatttu vastaanottosanomille, jotka on lähetetty CDMA-radioliikenteellä - Google Patents

Menetelmä etenemisteiden valitsemiseksi, jotka on varatttu vastaanottosanomille, jotka on lähetetty CDMA-radioliikenteellä

Info

Publication number
FI943605A0
FI943605A0 FI943605A FI943605A FI943605A0 FI 943605 A0 FI943605 A0 FI 943605A0 FI 943605 A FI943605 A FI 943605A FI 943605 A FI943605 A FI 943605A FI 943605 A0 FI943605 A0 FI 943605A0
Authority
FI
Finland
Prior art keywords
messages sent
propagation paths
cdma radio
reception messages
paths reserved
Prior art date
Application number
FI943605A
Other languages
English (en)
Swedish (sv)
Other versions
FI943605A7 (fi
FI109249B (fi
Inventor
Philippe Lucas
Original Assignee
Matra Communication
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matra Communication filed Critical Matra Communication
Publication of FI943605A0 publication Critical patent/FI943605A0/fi
Publication of FI943605A7 publication Critical patent/FI943605A7/fi
Application granted granted Critical
Publication of FI109249B publication Critical patent/FI109249B/fi

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
FI943605A 1993-08-13 1994-08-03 Menetelmä CDMA-radioliikenteessä lähetettyjen sanomien vastaanottoon käytettävien etenemisteiden valitsemiseksi FI109249B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9309958 1993-08-13
FR9309958A FR2709028B1 (fr) 1993-08-13 1993-08-13 Procédé de sélection des trajets de propagation retenus pour recevoir des messages transmis par radiocommunication AMRC.

Publications (3)

Publication Number Publication Date
FI943605A0 true FI943605A0 (fi) 1994-08-03
FI943605A7 FI943605A7 (fi) 1995-02-14
FI109249B FI109249B (fi) 2002-06-14

Family

ID=9450193

Family Applications (1)

Application Number Title Priority Date Filing Date
FI943605A FI109249B (fi) 1993-08-13 1994-08-03 Menetelmä CDMA-radioliikenteessä lähetettyjen sanomien vastaanottoon käytettävien etenemisteiden valitsemiseksi

Country Status (6)

Country Link
US (1) US5448600A (fi)
EP (1) EP0639010B1 (fi)
DE (1) DE69415611T2 (fi)
ES (1) ES2128523T3 (fi)
FI (1) FI109249B (fi)
FR (1) FR2709028B1 (fi)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0653127A1 (en) * 1993-06-02 1995-05-17 Roke Manor Research Limited Rake receiver combining all the useful multipath components of a spread spectrum signal
FI110043B (fi) * 1993-09-20 2002-11-15 Nokia Corp Menetelmä kanavanvaihdon suorittamiseksi CDMA-solukkoradiojärjestelmässä sekä liikkuva asema
US5787344A (en) 1994-06-28 1998-07-28 Scheinert; Stefan Arrangements of base transceiver stations of an area-covering network
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
US7020111B2 (en) 1996-06-27 2006-03-28 Interdigital Technology Corporation System for using rapid acquisition spreading codes for spread-spectrum communications
US7072380B2 (en) 1995-06-30 2006-07-04 Interdigital Technology Corporation Apparatus for initial power control for spread-spectrum communications
US7929498B2 (en) 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
US7123600B2 (en) 1995-06-30 2006-10-17 Interdigital Technology Corporation Initial power control for spread-spectrum communications
US6885652B1 (en) 1995-06-30 2005-04-26 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US6816473B2 (en) 1995-06-30 2004-11-09 Interdigital Technology Corporation Method for adaptive forward power control for spread-spectrum communications
US6940840B2 (en) 1995-06-30 2005-09-06 Interdigital Technology Corporation Apparatus for adaptive reverse power control for spread-spectrum communications
US6788662B2 (en) 1995-06-30 2004-09-07 Interdigital Technology Corporation Method for adaptive reverse power control for spread-spectrum communications
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US6801516B1 (en) 1995-06-30 2004-10-05 Interdigital Technology Corporation Spread-spectrum system for assigning information signals having different data rates
FR2737362B1 (fr) * 1995-07-25 1997-10-10 Matra Communication Procede de selection des retards de propagation retenus pour recevoir des messages transmis par radiocommunication a etalement de spectre
US5754533A (en) * 1995-08-23 1998-05-19 Qualcomm Incorporated Method and system for non-orthogonal noise energy based gain control
FI100494B (fi) * 1995-11-20 1997-12-15 Nokia Telecommunications Oy Menetelmä vastaanottimen ohjaamiseksi ja vastaanotin
JP2820919B2 (ja) 1996-03-25 1998-11-05 株式会社ワイ・アール・ピー移動通信基盤技術研究所 Cdma移動体通信システムおよび送受信機
JP3310160B2 (ja) * 1996-03-29 2002-07-29 松下電器産業株式会社 スペクトラム拡散方式受信装置
FI101659B (fi) * 1996-07-12 1998-07-31 Nokia Mobile Phones Ltd Viiveen estimointimenetelmä ja vastaanotin
US5953382A (en) * 1996-07-17 1999-09-14 Asano; Nobuo CDMA system mobile communication receiver
US6125109A (en) * 1998-02-24 2000-09-26 Repeater Technologies Delay combiner system for CDMA repeaters and low noise amplifiers
CN1121102C (zh) * 1998-06-13 2003-09-10 三星电子株式会社 码分多址通信系统中测量非正交噪声功率的装置和方法
US6141374A (en) * 1998-10-14 2000-10-31 Lucent Technologies Inc. Method and apparatus for generating multiple matched-filter PN vectors in a CDMA demodulator
US6192249B1 (en) 1998-12-03 2001-02-20 Qualcomm Inc. Method and apparatus for reverse link loading estimation
US6442398B1 (en) 1998-12-03 2002-08-27 Qualcomm Incorporated Method and apparatus for reverse link loading estimation
US6397070B1 (en) 1999-07-21 2002-05-28 Qualcomm Incorporated Method and apparatus for estimating reverse link loading in a wireless communication system
JP3566895B2 (ja) * 2000-02-15 2004-09-15 株式会社エヌ・ティ・ティ・ドコモ 先頭波位置検出装置、受信装置、先頭位置検出装置、先頭波位置検出方法および先頭位置検出方法
US6980803B2 (en) * 2000-12-04 2005-12-27 Telefonaktiebolaget Lm Ericsson (Publ) Using statistically ascertained position for starting synchronization searcher during diversity handover
US6954644B2 (en) 2000-12-04 2005-10-11 Telefonaktiebolaget Lm Ericsson (Publ) Using geographical coordinates to determine mobile station time position for synchronization during diversity handover
US6907245B2 (en) 2000-12-04 2005-06-14 Telefonaktiebolaget Lm Ericsson (Publ) Dynamic offset threshold for diversity handover in telecommunications system
GB2396985B (en) 2001-09-12 2005-05-11 Data Fusion Corp Gps near-far resistant receiver
US8085889B1 (en) 2005-04-11 2011-12-27 Rambus Inc. Methods for managing alignment and latency in interference cancellation
US7158559B2 (en) * 2002-01-15 2007-01-02 Tensor Comm, Inc. Serial cancellation receiver design for a coded signal processing engine
JP3831229B2 (ja) * 2001-10-31 2006-10-11 富士通株式会社 伝搬路特性推定装置
US7580448B2 (en) * 2002-10-15 2009-08-25 Tensorcomm, Inc Method and apparatus for channel amplitude estimation and interference vector construction
US7260506B2 (en) * 2001-11-19 2007-08-21 Tensorcomm, Inc. Orthogonalization and directional filtering
US7876810B2 (en) 2005-04-07 2011-01-25 Rambus Inc. Soft weighted interference cancellation for CDMA systems
US7808937B2 (en) 2005-04-07 2010-10-05 Rambus, Inc. Variable interference cancellation technology for CDMA systems
US8761321B2 (en) 2005-04-07 2014-06-24 Iii Holdings 1, Llc Optimal feedback weighting for soft-decision cancellers
US7463609B2 (en) 2005-07-29 2008-12-09 Tensorcomm, Inc Interference cancellation within wireless transceivers
US7577186B2 (en) 2002-09-20 2009-08-18 Tensorcomm, Inc Interference matrix construction
US7787572B2 (en) 2005-04-07 2010-08-31 Rambus Inc. Advanced signal processors for interference cancellation in baseband receivers
US20050180364A1 (en) * 2002-09-20 2005-08-18 Vijay Nagarajan Construction of projection operators for interference cancellation
WO2004028022A1 (en) * 2002-09-23 2004-04-01 Tensorcomm Inc. Method and apparatus for selectively applying interference cancellation in spread spectrum systems
US8005128B1 (en) 2003-09-23 2011-08-23 Rambus Inc. Methods for estimation and interference cancellation for signal processing
US20050123080A1 (en) * 2002-11-15 2005-06-09 Narayan Anand P. Systems and methods for serial cancellation
US8179946B2 (en) 2003-09-23 2012-05-15 Rambus Inc. Systems and methods for control of advanced receivers
AU2003301493A1 (en) * 2002-10-15 2004-05-04 Tensorcomm Inc. Method and apparatus for interference suppression with efficient matrix inversion in a ds-cdma system
WO2004073159A2 (en) * 2002-11-15 2004-08-26 Tensorcomm, Incorporated Systems and methods for parallel signal cancellation
US7599452B2 (en) * 2002-11-27 2009-10-06 Research In Motion Limited Method and system for applying Viterbi type PSK demodulation for optimum correlation of GPS signals
US7352704B1 (en) * 2003-08-29 2008-04-01 National Semiconductor Corporation Method and apparatus for multi-path delay spread detection in wideband CDMA systems
US7477710B2 (en) * 2004-01-23 2009-01-13 Tensorcomm, Inc Systems and methods for analog to digital conversion with a signal cancellation system of a receiver
US20050169354A1 (en) * 2004-01-23 2005-08-04 Olson Eric S. Systems and methods for searching interference canceled data
US8452316B2 (en) 2004-06-18 2013-05-28 Qualcomm Incorporated Power control for a wireless communication system utilizing orthogonal multiplexing
US7197692B2 (en) 2004-06-18 2007-03-27 Qualcomm Incorporated Robust erasure detection and erasure-rate-based closed loop power control
WO2006093723A2 (en) * 2005-02-25 2006-09-08 Data Fusion Corporation Mitigating interference in a signal
US8848574B2 (en) 2005-03-15 2014-09-30 Qualcomm Incorporated Interference control in a wireless communication system
US8942639B2 (en) 2005-03-15 2015-01-27 Qualcomm Incorporated Interference control in a wireless communication system
US7826516B2 (en) 2005-11-15 2010-11-02 Rambus Inc. Iterative interference canceller for wireless multiple-access systems with multiple receive antennas
KR100648926B1 (ko) * 2005-07-11 2006-11-27 삼성전자주식회사 사용자 식별 정보 부가기능을 갖는 복합기 및 그 방법
US8929908B2 (en) 2005-10-27 2015-01-06 Qualcomm Incorporated Method and apparatus for estimating reverse link loading in a wireless communication system
US8442572B2 (en) 2006-09-08 2013-05-14 Qualcomm Incorporated Method and apparatus for adjustments for delta-based power control in wireless communication systems
US8670777B2 (en) 2006-09-08 2014-03-11 Qualcomm Incorporated Method and apparatus for fast other sector interference (OSI) adjustment

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2982853A (en) * 1956-07-02 1961-05-02 Research Corp Anti-multipath receiving system
US5101501A (en) * 1989-11-07 1992-03-31 Qualcomm Incorporated Method and system for providing a soft handoff in communications in a cdma cellular telephone system
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
US5237586A (en) * 1992-03-25 1993-08-17 Ericsson-Ge Mobile Communications Holding, Inc. Rake receiver with selective ray combining
US5233626A (en) * 1992-05-11 1993-08-03 Space Systems/Loral Inc. Repeater diversity spread spectrum communication system
US5349606A (en) * 1992-12-31 1994-09-20 Gte Government Systems Corporation Apparatus for multipath DSSS communications
US5343495A (en) * 1992-12-31 1994-08-30 Gte Government Systems Corporation Method of multipath dsss communications
US5315615A (en) * 1992-12-31 1994-05-24 Gte Government Systems Corporation DSSS communications correlation
US5315616A (en) * 1992-12-31 1994-05-24 Gte Government Systems Corporation Correlator for DSSS communications
US5347536A (en) * 1993-03-17 1994-09-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Multipath noise reduction for spread spectrum signals
US5305349A (en) * 1993-04-29 1994-04-19 Ericsson Ge Mobile Communications Inc. Quantized coherent rake receiver
US5335248A (en) * 1993-06-17 1994-08-02 Rockwell International Corporation Apparatus for correlating multi-frequency signals

Also Published As

Publication number Publication date
EP0639010B1 (fr) 1998-12-30
DE69415611T2 (de) 1999-09-09
FR2709028B1 (fr) 1995-10-20
EP0639010A1 (fr) 1995-02-15
FR2709028A1 (fr) 1995-02-17
FI943605A7 (fi) 1995-02-14
US5448600A (en) 1995-09-05
DE69415611D1 (de) 1999-02-11
ES2128523T3 (es) 1999-05-16
FI109249B (fi) 2002-06-14

Similar Documents

Publication Publication Date Title
FI943605A0 (fi) Menetelmä etenemisteiden valitsemiseksi, jotka on varatttu vastaanottosanomille, jotka on lähetetty CDMA-radioliikenteellä
FR2708813B1 (fr) Système de radiocommunications cellulaire.
DE69703084D1 (de) CDMA Zellularfunkübertragungssystem
NO991818D0 (no) FremgangsmÕte for mottaking, samt mottaker
DE69512693D1 (de) CDMA/TDD-Funkkommunikationssystem
WO1999064047A8 (en) Novel antiviral compounds
FR2779022B1 (fr) Station de base de radiocommunication
FI974421A7 (fi) Lineaarisen peittoalueen antennijärjestelmä CDMA-tietoliikennejärjestelmää varten
DE69702875D1 (de) Zellulare CDMA-Funkübertragungsanordnung
EP0756787A4 (en) Cost effective geosynchronous mobile satellite communication system
EP0676908A3 (en) Handover procedures for mobile communication.
DE69936135D1 (de) Antenne, funkgerät, funkrelais
IL149465A0 (en) Communication system, especially for indoors
NO20001669D0 (no) FremgangsmÕte for Õ lokalisere en terminal, samt celledelt radiosystem
NO994302L (no) Fremgangsmaate for aa velge et signal, samt et celledelt radiosystem
FR2782880B1 (fr) Systeme mobile de radiocommunications
EP1139582A4 (en) Wireless base station system, and wireless transmission method
AU2000267433A1 (en) Cellular communications system receivers
NL1001551C2 (nl) Radio-antenne.
DE69729986D1 (de) Mobiler Nachrichtenübertragungsempfänger für CDMA-System
ZA200006919B (en) Cellular radio communications system.
FI980076L (fi) Solukkoradiojärjestelmä
NO20002220D0 (no) FremgangsmÕte for overføring, samt radiosystem
ZA992572B (en) Spirit chiller.
NO20012385D0 (no) Fremgangsmåte for kanaltildeling, samt celledelt radiosystem

Legal Events

Date Code Title Description
MA Patent expired