FR2758026B1 - Procede et systeme pour une demodulation en parallele de plusieurs impulsions de donnees d'un signal cdma - Google Patents

Procede et systeme pour une demodulation en parallele de plusieurs impulsions de donnees d'un signal cdma

Info

Publication number
FR2758026B1
FR2758026B1 FR9716351A FR9716351A FR2758026B1 FR 2758026 B1 FR2758026 B1 FR 2758026B1 FR 9716351 A FR9716351 A FR 9716351A FR 9716351 A FR9716351 A FR 9716351A FR 2758026 B1 FR2758026 B1 FR 2758026B1
Authority
FR
France
Prior art keywords
multiple data
cdma signal
data pulses
parallel demodulation
demodulation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR9716351A
Other languages
English (en)
Other versions
FR2758026A1 (fr
Inventor
Gregory Peter Spock
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of FR2758026A1 publication Critical patent/FR2758026A1/fr
Application granted granted Critical
Publication of FR2758026B1 publication Critical patent/FR2758026B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
FR9716351A 1997-01-02 1997-12-23 Procede et systeme pour une demodulation en parallele de plusieurs impulsions de donnees d'un signal cdma Expired - Fee Related FR2758026B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/778,430 US5903550A (en) 1997-01-02 1997-01-02 Method and system for parallel demodulation of multiple chips of a CDMA signal

Publications (2)

Publication Number Publication Date
FR2758026A1 FR2758026A1 (fr) 1998-07-03
FR2758026B1 true FR2758026B1 (fr) 2005-10-21

Family

ID=25113327

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9716351A Expired - Fee Related FR2758026B1 (fr) 1997-01-02 1997-12-23 Procede et systeme pour une demodulation en parallele de plusieurs impulsions de donnees d'un signal cdma

Country Status (15)

Country Link
US (1) US5903550A (fr)
KR (1) KR100306455B1 (fr)
CN (1) CN1115801C (fr)
AU (1) AU715259B2 (fr)
BR (1) BR9708770A (fr)
CA (1) CA2248209A1 (fr)
DE (1) DE19757375A1 (fr)
FI (1) FI981868A (fr)
FR (1) FR2758026B1 (fr)
GB (1) GB2325384B (fr)
IL (1) IL125837A (fr)
IT (1) IT1297784B1 (fr)
RU (1) RU2174740C2 (fr)
SE (1) SE524624C2 (fr)
WO (1) WO1998032246A1 (fr)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3286189B2 (ja) * 1996-11-14 2002-05-27 松下電器産業株式会社 アルゴリズムダイバーシチを用いた受信装置
US6012160A (en) * 1997-10-03 2000-01-04 Ericsson Inc. Method for protecting important data bits using less important data bits
JP3793632B2 (ja) * 1997-12-18 2006-07-05 松下電器産業株式会社 セルサーチ方法及び移動局装置
US6134440A (en) * 1998-01-26 2000-10-17 Qualcomm Inc. Method and apparatus for performing mobile station assisted hard handoff using off line searching
US6266361B1 (en) * 1998-07-21 2001-07-24 Chung-Shan Institute Of Science And Technology Method and architecture for correcting carrier frequency offset and spreading code timing offset in a direct sequence spread spectrum communication system
US6741581B1 (en) 1998-09-22 2004-05-25 Hughes Electronics Corporation System and method for transmitting data in frame format using an R-Rake retransmission technique with blind identification of data frames
JP3680592B2 (ja) * 1998-10-30 2005-08-10 株式会社日立製作所 通信装置
US6201843B1 (en) * 1999-02-25 2001-03-13 L-3 Communications, Inc. Rapid acquisition dispersive channel receiver integrated circuit
DE19929727C2 (de) * 1999-06-29 2003-01-30 Siemens Ag Empfangsteil zum Betrieb eines Empfangsteils
US20020056135A1 (en) * 2000-03-06 2002-05-09 Alok Sharma Transceiver channel bank with reduced connector density
US7099340B2 (en) * 2000-03-06 2006-08-29 Juniper Networks, Inc. Enhanced CMTS for reliability, availability, and serviceability
US7149223B2 (en) * 2000-03-06 2006-12-12 Juniper Networks, Inc. Enhanced fiber nodes with CMTS capability
US20010046268A1 (en) * 2000-03-06 2001-11-29 Alok Sharma Transceiver channel bank with reduced connector density
US7130292B2 (en) * 2000-06-02 2006-10-31 Essex Corporation Optical processor enhanced receiver architecture (opera)
US6959033B1 (en) 2000-08-25 2005-10-25 Texas Instruments Incorporated System and method for assigning combiner channels in spread spectrum communications
US6771691B1 (en) 2000-09-15 2004-08-03 Texas Instruments Incorporated System and method for extracting soft symbols in direct sequence spread spectrum communications
US7031374B1 (en) * 2000-10-06 2006-04-18 Texas Instruments Incorporated System and method for selecting sample streams in direct sequence spread spectrum communications
US6985516B1 (en) 2000-11-27 2006-01-10 Qualcomm Incorporated Method and apparatus for processing a received signal in a communications system
KR100366292B1 (ko) * 2000-11-29 2002-12-31 한국전자통신연구원 핑거의 ｆｉｆｏ 수를 줄이는 심볼 컴바이닝 방법, 이를이용한 레이크 수신기 및 이러한 레이크 수신기를구동시키기 위한 방법
AU2002250356A1 (en) * 2001-03-14 2002-09-24 Mercury Computer Systems, Inc. Wireless communications methods and systems for long-code and other spread spectrum waveform processing
US6987799B2 (en) * 2001-05-03 2006-01-17 Texas Instruments Incorporated System and method for demodulating associated information channels in direct sequence spread spectrum communications
JP3871540B2 (ja) * 2001-10-05 2007-01-24 富士通株式会社 受信装置および半導体装置
KR100444732B1 (ko) * 2001-12-24 2004-08-16 한국전자통신연구원 부호 분할 다중 접속 시스템용 기지국 복조기에서의 칩연산 장치 및 그 방법과, 그 장치를 사용한 기지국 복조기
US6771693B2 (en) 2001-12-27 2004-08-03 Interdigital Technology Corporation Enhanced rake structure
US7177265B1 (en) * 2002-01-15 2007-02-13 Digi International Inc. Iterative method, and apparatus for acquiring time and frequency synchronization in a DSSS receiver
US7106784B2 (en) * 2002-01-25 2006-09-12 Sasken Communication Technologies Limited Universal rake receiver
US7801085B1 (en) * 2002-06-03 2010-09-21 Ericsson Ab System and method of processing CDMA signals
US8000377B2 (en) * 2004-05-24 2011-08-16 General Dynamics C4 Systems, Inc. System and method for variable rate multiple access short message communications
US8462818B2 (en) * 2006-08-02 2013-06-11 Freescale Semiconductor, Inc. Method for processing CDMA signals and a device having CDMA signal capabilities
US8369356B2 (en) * 2007-03-21 2013-02-05 Qualcomm Incorporated Dynamic management of receiver resources
US8345803B2 (en) * 2008-10-02 2013-01-01 Qualcomm Incorporated Optimized finger assignment for improved multicarrier throughput
US8964692B2 (en) * 2008-11-10 2015-02-24 Qualcomm Incorporated Spectrum sensing of bluetooth using a sequence of energy detection measurements
EP2750314B1 (fr) 2012-03-30 2018-02-14 Huawei Technologies Co., Ltd. Procédé, appareil et système pour transmettre et recevoir des données de service
KR102637730B1 (ko) 2018-12-24 2024-02-19 삼성전자주식회사 다중 수신 다중 sim을 위한 장치 및 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5151919A (en) * 1990-12-17 1992-09-29 Ericsson-Ge Mobile Communications Holding Inc. Cdma subtractive demodulation
US5237586A (en) * 1992-03-25 1993-08-17 Ericsson-Ge Mobile Communications Holding, Inc. Rake receiver with selective ray combining
US5305349A (en) * 1993-04-29 1994-04-19 Ericsson Ge Mobile Communications Inc. Quantized coherent rake receiver
US5544156A (en) * 1994-04-29 1996-08-06 Telefonaktiebolaget Lm Ericsson Direct sequence CDMA coherent uplink detector

Also Published As

Publication number Publication date
SE524624C2 (sv) 2004-09-07
DE19757375A1 (de) 1998-07-23
IT1297784B1 (it) 1999-12-20
CA2248209A1 (fr) 1998-07-23
BR9708770A (pt) 1999-08-03
KR20000064545A (ko) 2000-11-06
CN1212799A (zh) 1999-03-31
FR2758026A1 (fr) 1998-07-03
US5903550A (en) 1999-05-11
RU2174740C2 (ru) 2001-10-10
GB9818971D0 (en) 1998-10-21
GB2325384B (en) 2002-01-09
WO1998032246A1 (fr) 1998-07-23
GB2325384A (en) 1998-11-18
FI981868A0 (fi) 1998-09-01
CN1115801C (zh) 2003-07-23
FI981868A (fi) 1998-09-01
ITRM970806A1 (it) 1999-06-23
AU1729399A (en) 1999-02-10
SE9802950L (sv) 1998-11-02
IL125837A (en) 2002-02-10
IL125837A0 (en) 1999-04-11
AU715259B2 (en) 2000-01-20
SE9802950D0 (sv) 1998-09-02
KR100306455B1 (ko) 2001-11-02

Similar Documents

Publication Publication Date Title
FR2758026B1 (fr) Procede et systeme pour une demodulation en parallele de plusieurs impulsions de donnees d'un signal cdma
FR2730889B1 (fr) Procede et systeme pour la transmission des donnees
FR2780535B1 (fr) Dispositif de traitement de donnees d'acquisition, notamment de donnees d'image
DE69609077D1 (de) Systeme zum auffinden und darstellen von information
FR2728123B1 (fr) Procede de transmission de donnees
FR2773410B1 (fr) Systeme et procede d'enseignement
FR2720162B1 (fr) Procédé de caractérisation d'événements dans des données numériques acquises.
IT1291637B1 (it) Dispositivo per la sorveglianza elettronica di un azionamento di spostamento
FR2747477B1 (fr) Methode d'inversion pour donnees sismiques
FR2591835B1 (fr) Systeme de transmission de donnees avec limitation dans le temps
FR2769098B1 (fr) Procede et dispositif d'exploitation de signaux doppler laser
FR2761181B1 (fr) Systeme et procede de mise en surveillance de locaux
FR2765983B1 (fr) Signal de donnees de modification d'une scene graphique, procede et dispositif correspondants
FR2735289B1 (fr) Procede et dispositif de connexion pour jeu de barres surmoulees
FR2763200B1 (fr) Circuit et procede pour fournir une transmission simultanee de donnees de recherche de personne dans un systeme de recherche de personne
FR2763766B1 (fr) Procede et dispositif de mise en oeuvre d'un systeme a ondelette noye reversible
FR2691003B1 (fr) Procede de consultation et de mise a jour de donnees specialisees et systeme de mise en óoeuvre de ce procede.
FR2726711B1 (fr) Procede de detection de symboles de reference pour recepteur de donnees numeriques
FR2591764B1 (fr) Systeme optique de multiplexage et procede d'utilisation de ce systeme
DE69631725D1 (de) Bilddatenaufzeichnungsverfahren
FR2765363B1 (fr) Procede et systeme de controle de l'utilisation d'un logiciel
FR2729500B1 (fr) Systeme d'acquisition de donnees a grande vitesse
FR2765984B1 (fr) Signal de donnees d'animation d'une scene graphique a objet de quantification, procede et dispositif correspondants
FR2765982B1 (fr) Signal de donnees d'animation d'une scene graphique, procede et dispositif correspondants
FR2747795B1 (fr) Procede de compression de donnees d'acquisition sismique

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20081020