DE69938627D1 - Zell Such Methode und Basisstation für ein CDMA Mobilfunk Kommunikationssystem - Google Patents

Zell Such Methode und Basisstation für ein CDMA Mobilfunk Kommunikationssystem

Info

Publication number
DE69938627D1
DE69938627D1 DE69938627T DE69938627T DE69938627D1 DE 69938627 D1 DE69938627 D1 DE 69938627D1 DE 69938627 T DE69938627 T DE 69938627T DE 69938627 T DE69938627 T DE 69938627T DE 69938627 D1 DE69938627 D1 DE 69938627D1
Authority
DE
Germany
Prior art keywords
base station
communication system
cellular communication
search method
cell search
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 - Lifetime
Application number
DE69938627T
Other languages
English (en)
Other versions
DE69938627T2 (de
Inventor
May Suzuki
Nobukazu Doi
Takashi Yano
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.)
FIPA Frohwitter Intellectual Property AG
Original Assignee
FIPA Frohwitter Intellectual Property AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15023553&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69938627(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by FIPA Frohwitter Intellectual Property AG filed Critical FIPA Frohwitter Intellectual Property AG
Application granted granted Critical
Publication of DE69938627D1 publication Critical patent/DE69938627D1/de
Publication of DE69938627T2 publication Critical patent/DE69938627T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/70735—Code identification
    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • 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
    • H04B1/7083—Cell search, e.g. using a three-step approach
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio 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]
    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/708—Parallel implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2668—Arrangements for Wireless Code-Division Multiple Access [CDMA] System Synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE69938627T 1998-05-13 1999-02-26 Zellsuchmethode und Basisstation für ein CDMA-Mobilfunkkommunikationssystem Expired - Lifetime DE69938627T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10129995A JPH11331036A (ja) 1998-05-13 1998-05-13 符号分割接続方式移動通信システム及び該システムで用いるスロットタイミング同定方法と移動端末
JP12999598 1998-05-13

Publications (2)

Publication Number Publication Date
DE69938627D1 true DE69938627D1 (de) 2008-06-12
DE69938627T2 DE69938627T2 (de) 2009-06-10

Family

ID=15023553

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69924914T Expired - Lifetime DE69924914T2 (de) 1998-05-13 1999-02-26 Mobile Kommunikationsanordnung mit Kodeverteilung Mehrfachzugriffsverfahren
DE69938627T Expired - Lifetime DE69938627T2 (de) 1998-05-13 1999-02-26 Zellsuchmethode und Basisstation für ein CDMA-Mobilfunkkommunikationssystem
DE69924914.7A Expired - Lifetime DE69924914C5 (de) 1998-05-13 1999-02-26 Mobile Kommunikationsanordnung mit Kodeverteilung Mehrfachzugriffsverfahren

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69924914T Expired - Lifetime DE69924914T2 (de) 1998-05-13 1999-02-26 Mobile Kommunikationsanordnung mit Kodeverteilung Mehrfachzugriffsverfahren

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69924914.7A Expired - Lifetime DE69924914C5 (de) 1998-05-13 1999-02-26 Mobile Kommunikationsanordnung mit Kodeverteilung Mehrfachzugriffsverfahren

Country Status (7)

Country Link
US (1) US6507576B1 (de)
EP (5) EP1956724B1 (de)
JP (1) JPH11331036A (de)
KR (1) KR100291294B1 (de)
CN (3) CN1878387B (de)
DE (3) DE69924914T2 (de)
SG (1) SG89274A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6879571B1 (en) * 1998-05-13 2005-04-12 Hitachi, Ltd. Code division multiple access mobile communication system
JPH11331036A (ja) * 1998-05-13 1999-11-30 Hitachi Ltd 符号分割接続方式移動通信システム及び該システムで用いるスロットタイミング同定方法と移動端末
US7130332B1 (en) * 1999-04-20 2006-10-31 Symmetricom, Inc. Pilot tracking for synchronization using correlation between digital signal and locally generated version of PN signal
KR100720332B1 (ko) * 1999-05-28 2007-05-23 인터디지탈 테크날러지 코포레이션 코드 분할 다중 접속 방식을 이용한 시분할 쌍방향 통신시스템의 셀 검색 절차
US6363060B1 (en) * 1999-06-30 2002-03-26 Qualcomm Incorporated Method and apparatus for fast WCDMA acquisition
JP2001086035A (ja) * 1999-09-14 2001-03-30 Nec Corp Ｃｄｍａにおけるセルサーチ方法
GB2360426B (en) * 2000-03-14 2004-06-02 Nec Technologies Method for acquisition of slot timing in a direct sequence spread spectrum communication receiver
AU2002217057A1 (en) * 2000-11-27 2002-06-03 Telefonaktiebolaget Lm Ericsson (Publ) Code synchronization in a mobile communication device
WO2006064549A1 (ja) 2004-12-14 2006-06-22 Fujitsu Limited 拡散コード割当方法、逆拡散方法、送信装置、受信装置、通信装置、無線基地局装置、及び移動端末装置
JP4538018B2 (ja) * 2007-04-06 2010-09-08 フィパ フローウィッター インテレクチュアル プロパティ エイジー 移動通信システムのセルサーチ方法
CN101383636B (zh) * 2007-09-05 2012-11-21 电信科学技术研究院 一种资源划分方法及发送上行导频的方法、装置和设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2644723B2 (ja) 1985-04-26 1997-08-25 株式会社日立製作所 通信装置
US4969159A (en) * 1989-03-22 1990-11-06 Harris Corporation Spread spectrum communication system employing composite spreading codes with matched filter demodulator
DE69535838D1 (de) * 1994-02-09 2008-10-23 Nippon Telegraph & Telephone Verfahren und Gerät für CDMA mobile Kommunikationen
US5530716A (en) * 1994-06-30 1996-06-25 Motorola, Inc. Method and apparatus for identifying a coded communication signal
JP3491349B2 (ja) 1994-09-05 2004-01-26 株式会社日立製作所 弾性表面波装置及びそれを用いた通信装置
CA2217575C (en) * 1996-03-05 2005-07-12 Ntt Mobile Communications Network Inc. Signal transmission method, transmitter, receiver, and spreading code sychronizing method in mobile communication system
JP3376224B2 (ja) * 1996-10-23 2003-02-10 株式会社エヌ・ティ・ティ・ドコモ Ｄｓ−ｃｄｍａ基地局間非同期セルラ方式における初期同期方法および受信機
JP3373746B2 (ja) * 1997-01-07 2003-02-04 株式会社鷹山 Ｄｓ−ｃｄｍａ基地局間非同期セルラ方式における初期同期方法および受信機
US5930366A (en) * 1997-08-29 1999-07-27 Telefonaktiebolaget L M Ericsson Synchronization to a base station and code acquisition within a spread spectrum communication system
US6018667A (en) * 1998-01-20 2000-01-25 Motorola, Inc. Method and apparatus for transmitting information regarding the synchronization status of a base station
US6208632B1 (en) * 1998-01-29 2001-03-27 Sharp Laboratories Of America System and method for CDMA channel estimation
JPH11331036A (ja) * 1998-05-13 1999-11-30 Hitachi Ltd 符号分割接続方式移動通信システム及び該システムで用いるスロットタイミング同定方法と移動端末

Also Published As

Publication number Publication date
CN1878387A (zh) 2006-12-13
CN1523920A (zh) 2004-08-25
EP1804392A1 (de) 2007-07-04
EP1473854A3 (de) 2004-11-10
EP1473854B1 (de) 2008-04-30
DE69938627T2 (de) 2009-06-10
US6507576B1 (en) 2003-01-14
EP0957594A2 (de) 1999-11-17
EP1804392B1 (de) 2012-08-01
KR100291294B1 (ko) 2001-05-15
JPH11331036A (ja) 1999-11-30
EP2299608B1 (de) 2019-02-13
EP0957594A3 (de) 2003-01-08
EP1956724B1 (de) 2013-04-17
EP2299608A2 (de) 2011-03-23
CN1235501A (zh) 1999-11-17
EP1473854A2 (de) 2004-11-03
EP0957594B1 (de) 2005-04-27
DE69924914D1 (de) 2005-06-02
DE69924914C5 (de) 2024-04-18
EP1956724A2 (de) 2008-08-13
CN1878387B (zh) 2012-12-05
EP1956724A3 (de) 2008-11-05
EP2299608B8 (de) 2019-04-03
KR19990087884A (ko) 1999-12-27
SG89274A1 (en) 2002-06-18
EP2299608A3 (de) 2012-03-07
CN100367818C (zh) 2008-02-06
CN1145399C (zh) 2004-04-07
DE69924914T2 (de) 2006-02-16

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