HK1009228A1 - Mobile communication receiving apparatus - Google Patents

Mobile communication receiving apparatus

Info

Publication number
HK1009228A1
HK1009228A1 HK98110035A HK98110035A HK1009228A1 HK 1009228 A1 HK1009228 A1 HK 1009228A1 HK 98110035 A HK98110035 A HK 98110035A HK 98110035 A HK98110035 A HK 98110035A HK 1009228 A1 HK1009228 A1 HK 1009228A1
Authority
HK
Hong Kong
Prior art keywords
mobile communication
receiving apparatus
communication receiving
mobile
receiving
Prior art date
Application number
HK98110035A
Other languages
English (en)
Inventor
Shoichiro Honda
Original Assignee
Matsushita Electric Ind Co Ltd
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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of HK1009228A1 publication Critical patent/HK1009228A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • 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
    • H04B1/7073—Synchronisation aspects
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • 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
    • H04B2001/70706—Spread spectrum techniques using direct sequence modulation using a code tracking loop, e.g. a delay locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707—Efficiency-related aspects
    • H04B2201/70709—Efficiency-related aspects with discontinuous detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
HK98110035A 1996-06-13 1998-08-20 Mobile communication receiving apparatus HK1009228A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17286396A JP3105786B2 (ja) 1996-06-13 1996-06-13 移動体通信受信機

Publications (1)

Publication Number Publication Date
HK1009228A1 true HK1009228A1 (en) 1999-05-28

Family

ID=15949701

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98110035A HK1009228A1 (en) 1996-06-13 1998-08-20 Mobile communication receiving apparatus

Country Status (6)

Country Link
US (1) US5970084A (fr)
EP (2) EP0813313B1 (fr)
JP (1) JP3105786B2 (fr)
CN (1) CN1107430C (fr)
DE (1) DE69734304D1 (fr)
HK (1) HK1009228A1 (fr)

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JP2850959B2 (ja) * 1997-05-12 1999-01-27 日本電気株式会社 スペクトラム拡散通信同期捕捉復調装置
US6628699B2 (en) * 1997-06-23 2003-09-30 Schlumberger Resource Management Systems, Inc. Receiving a spread spectrum signal
US6263010B1 (en) * 1997-08-04 2001-07-17 Kabushiki Kaisha Toshiba Spread spectrum communication apparatus
US6531982B1 (en) 1997-09-30 2003-03-11 Sirf Technology, Inc. Field unit for use in a GPS system
KR100268670B1 (ko) * 1997-12-29 2000-10-16 윤종용 직접시퀀스확산대역통신을위한의사잡음부호획득장치
US6327471B1 (en) 1998-02-19 2001-12-04 Conexant Systems, Inc. Method and an apparatus for positioning system assisted cellular radiotelephone handoff and dropoff
US6348744B1 (en) 1998-04-14 2002-02-19 Conexant Systems, Inc. Integrated power management module
KR20000007758A (ko) * 1998-07-07 2000-02-07 윤종용 셀룰러 단말기의 의사잡음부호 탐색방법
JP2000031889A (ja) * 1998-07-13 2000-01-28 Hitachi Ltd スペクトラム拡散通信方式の移動通信端末
US7545854B1 (en) 1998-09-01 2009-06-09 Sirf Technology, Inc. Doppler corrected spread spectrum matched filter
US7711038B1 (en) 1998-09-01 2010-05-04 Sirf Technology, Inc. System and method for despreading in a spread spectrum matched filter
JP3321419B2 (ja) * 1998-09-17 2002-09-03 松下電器産業株式会社 通信端末装置および無線通信方法
JP3031352B1 (ja) * 1998-09-29 2000-04-10 日本電気株式会社 受信回路及びこれを有する移動端末
US6693953B2 (en) 1998-09-30 2004-02-17 Skyworks Solutions, Inc. Adaptive wireless communication receiver
JP3199039B2 (ja) 1998-11-02 2001-08-13 日本電気株式会社 消費電力低減回路及びこれを用いた無線通信装置並びに無線通信装置における消費電力低減方法
JP3458841B2 (ja) * 1998-11-19 2003-10-20 三菱電機株式会社 移動通信システムに適用される受信装置および復調器
JP3264259B2 (ja) 1998-12-10 2002-03-11 日本電気株式会社 Ｃｄｍａ受信装置
GB2391141B (en) * 1998-12-10 2004-04-28 Nec Corp CDMA reception apparatus and power control method therefor
FR2788179B1 (fr) * 1998-12-31 2003-06-20 Cit Alcatel Satellite a couverture omnidirectionnelle
KR100295675B1 (ko) * 1999-01-15 2001-07-12 김영환 동기 획득 장치 및 방법
US6606349B1 (en) 1999-02-04 2003-08-12 Sirf Technology, Inc. Spread spectrum receiver performance improvement
US6448925B1 (en) 1999-02-04 2002-09-10 Conexant Systems, Inc. Jamming detection and blanking for GPS receivers
US6577271B1 (en) 1999-03-30 2003-06-10 Sirf Technology, Inc Signal detector employing coherent integration
US6304216B1 (en) 1999-03-30 2001-10-16 Conexant Systems, Inc. Signal detector employing correlation analysis of non-uniform and disjoint sample segments
US6351486B1 (en) 1999-05-25 2002-02-26 Conexant Systems, Inc. Accelerated selection of a base station in a wireless communication system
JP3381676B2 (ja) 1999-09-06 2003-03-04 日本電気株式会社 Ｃｄｍａ受信端末
JP3279547B2 (ja) * 1999-09-20 2002-04-30 日本電気株式会社 Ｃｄｍａ受信機の同期捕捉装置
KR100349648B1 (ko) * 1999-12-27 2002-08-22 주식회사 큐리텔 무선통신 시스템에서의 결정변수 계산장치
FI20000700A (fi) * 2000-03-24 2001-09-25 Nokia Mobile Phones Ltd Parannetun tehonsäästöominaisuuden omaava matkapuhelin
US6788655B1 (en) 2000-04-18 2004-09-07 Sirf Technology, Inc. Personal communications device with ratio counter
US6714158B1 (en) 2000-04-18 2004-03-30 Sirf Technology, Inc. Method and system for data detection in a global positioning system satellite receiver
US7885314B1 (en) 2000-05-02 2011-02-08 Kenneth Scott Walley Cancellation system and method for a wireless positioning system
JP2001320342A (ja) * 2000-05-11 2001-11-16 Nec Corp Ｆｄｍ−ｃｄｍａ送信方法、ｆｄｍ−ｃｄｍａ受信方法及びそれらの装置
US6778136B2 (en) 2001-12-13 2004-08-17 Sirf Technology, Inc. Fast acquisition of GPS signal
US7443942B2 (en) * 2000-06-15 2008-10-28 Sanyo Electric Co., Ltd. Receiving device and receiving method
EP1234383A2 (fr) * 2000-09-29 2002-08-28 Kabushiki Kaisha Toshiba Circuit et procede de detection de code
US6785321B1 (en) * 2000-10-31 2004-08-31 Motorola, Inc. Apparatus and method for estimating the time of arrival of a spread spectrum signal in a wireless communication system
JP4016241B2 (ja) 2000-12-12 2007-12-05 日本電気株式会社 Ｃｄｍａ受信端末及びｃｄｍａ受信端末における消費電力低減方法
JP4365096B2 (ja) 2001-03-12 2009-11-18 スカイワークス ソリューションズ，インコーポレイテッド スペクトラム拡散通信システムのスペクトラム拡散無線信号を修復するための方法と装置
JP2002290279A (ja) * 2001-03-28 2002-10-04 Toshiba Corp 同期追従装置及び無線通信端末
KR100424538B1 (ko) * 2001-05-29 2004-03-27 엘지전자 주식회사 이동통신시스템에서의 스크램블링 코드 생성 장치 및 방법
US7106784B2 (en) * 2002-01-25 2006-09-12 Sasken Communication Technologies Limited Universal rake receiver
FR2851098B1 (fr) * 2003-02-10 2006-08-25 Nortel Networks Ltd Procede de traitement d'un signal par un recepteur radio et recepteur radio pour la mise en oeuvre du procede
DE102005026093B4 (de) * 2005-06-07 2007-07-05 Atmel Germany Gmbh Detektionseinheit
KR101493924B1 (ko) * 2008-06-04 2015-02-16 삼성전자주식회사 이동통신시스템에서 등화기 기반의 수신기 동작 방법 및장치
JP2014187911A (ja) * 2013-03-26 2014-10-06 Sumitomo Osaka Cement Co Ltd 人工藻場および人工藻場の形成方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2900671B2 (ja) * 1991-11-29 1999-06-02 ソニー株式会社 Ｇｐｓ受信機
US5414729A (en) * 1992-01-24 1995-05-09 Novatel Communications Ltd. Pseudorandom noise ranging receiver which compensates for multipath distortion by making use of multiple correlator time delay spacing
JP2689890B2 (ja) * 1993-12-30 1997-12-10 日本電気株式会社 スペクトラム拡散受信機
JP3305877B2 (ja) * 1994-06-23 2002-07-24 株式会社東芝 スペクトラム拡散無線通信システムおよびこのシステムで使用される無線通信装置
FR2722045B1 (fr) * 1994-06-30 1996-08-23 Alcatel Telspace Procede de recherche d'acquisition de synchronisation temporelle entre une sequence d'etalement d'un recepteur et celle d'un emetteur
GB2291567B (en) * 1994-07-01 1999-02-24 Roke Manor Research Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
KR960015842B1 (ko) * 1994-07-14 1996-11-22 삼성전자 주식회사 적응 임계치를 이용한 의사잡음 코드 동기장치
US5619524A (en) * 1994-10-04 1997-04-08 Motorola, Inc. Method and apparatus for coherent communication reception in a spread-spectrum communication system

Also Published As

Publication number Publication date
CN1178440A (zh) 1998-04-08
EP1505740A1 (fr) 2005-02-09
US5970084A (en) 1999-10-19
EP0813313A2 (fr) 1997-12-17
EP0813313A3 (fr) 2003-08-06
EP0813313B1 (fr) 2005-10-05
CN1107430C (zh) 2003-04-30
JPH104383A (ja) 1998-01-06
DE69734304D1 (de) 2006-02-16
JP3105786B2 (ja) 2000-11-06

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20070612