DE60204952D1 - Verfahren und vorrichtung zur schnellen w-cdma erfassung - Google Patents

Verfahren und vorrichtung zur schnellen w-cdma erfassung

Info

Publication number
DE60204952D1
DE60204952D1 DE60204952T DE60204952T DE60204952D1 DE 60204952 D1 DE60204952 D1 DE 60204952D1 DE 60204952 T DE60204952 T DE 60204952T DE 60204952 T DE60204952 T DE 60204952T DE 60204952 D1 DE60204952 D1 DE 60204952D1
Authority
DE
Germany
Prior art keywords
cell
ray
neighbouring
neighbouring cell
mixing
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
DE60204952T
Other languages
English (en)
Other versions
DE60204952T2 (de
Inventor
Diego Giancola
Alun Williams
Andrew J Papageorgiou
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.)
Samsung Electronics Co Ltd
Original Assignee
Ubinetics 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 Ubinetics Ltd filed Critical Ubinetics Ltd
Publication of DE60204952D1 publication Critical patent/DE60204952D1/de
Application granted granted Critical
Publication of DE60204952T2 publication Critical patent/DE60204952T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—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
    • 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
    • H04B1/7083—Cell search, e.g. using a three-step approach
    • 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
    • H04B2201/70702—Intercell-related aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Holo Graphy (AREA)
  • Carbon And Carbon Compounds (AREA)
DE60204952T 2001-04-04 2002-04-02 Verfahren und vorrichtung zur schnellen w-cdma erfassung Expired - Lifetime DE60204952T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0108506A GB2374252A (en) 2001-04-04 2001-04-04 Identification of neighbouring cell scrambling codes
GB0108506 2001-04-04
PCT/GB2002/001561 WO2002082677A1 (en) 2001-04-04 2002-04-02 Method and apparatus for fast w-cdma acquisition

Publications (2)

Publication Number Publication Date
DE60204952D1 true DE60204952D1 (de) 2005-08-11
DE60204952T2 DE60204952T2 (de) 2006-05-24

Family

ID=9912268

Family Applications (3)

Application Number Title Priority Date Filing Date
DE60204953T Expired - Lifetime DE60204953T2 (de) 2001-04-04 2002-04-02 Verfahren und vorrichtung zur schnellen w-cdma erfassung
DE60213390T Expired - Lifetime DE60213390T2 (de) 2001-04-04 2002-04-02 Verfahren und vorrichtung zur schnellen w-cdma erfassung
DE60204952T Expired - Lifetime DE60204952T2 (de) 2001-04-04 2002-04-02 Verfahren und vorrichtung zur schnellen w-cdma erfassung

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE60204953T Expired - Lifetime DE60204953T2 (de) 2001-04-04 2002-04-02 Verfahren und vorrichtung zur schnellen w-cdma erfassung
DE60213390T Expired - Lifetime DE60213390T2 (de) 2001-04-04 2002-04-02 Verfahren und vorrichtung zur schnellen w-cdma erfassung

Country Status (9)

Country Link
US (3) US7379439B2 (de)
EP (3) EP1374433B1 (de)
JP (3) JP2004525574A (de)
KR (3) KR20030085089A (de)
CN (3) CN1500315A (de)
AT (3) ATE299314T1 (de)
DE (3) DE60204953T2 (de)
GB (1) GB2374252A (de)
WO (4) WO2002082677A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2374252A (en) * 2001-04-04 2002-10-09 Ubinetics Ltd Identification of neighbouring cell scrambling codes
FR2841407B1 (fr) 2002-06-20 2004-08-13 Nec Technologies Uk Ltd Procede d'optimisation de la recherche de cellules dans un reseau de telecommunication mobile
AU2004202550A1 (en) * 2003-06-18 2005-01-13 Nec Australia Pty Ltd Cell search process for wireless communication system
US7474648B2 (en) * 2003-06-18 2009-01-06 Telefonaktiebolaget L M Ericsson (Publ) Filtering multipath propagation delay values for use in a mobile communications system
US7369534B2 (en) * 2003-08-27 2008-05-06 Qualcomm Incorporated Reducing search time using known scrambling code offsets
JP2005142967A (ja) 2003-11-07 2005-06-02 Ntt Docomo Inc 拡散符号の割当方法、無線基地局、及び移動局
CN100365954C (zh) * 2004-06-10 2008-01-30 大唐移动通信设备有限公司 一种时分-同步码分多址系统的小区扰码分配方法
CN100382464C (zh) * 2004-06-10 2008-04-16 大唐移动通信设备有限公司 Td-scdma系统小区码字规划方法及其搜索复合码字组合方法
WO2006008788A1 (ja) 2004-07-15 2006-01-26 Fujitsu Limited 無線基地局及び移動局
US8134996B2 (en) 2005-07-21 2012-03-13 Texas Instruments Incorporated Downlink synchronization for a cellular OFDM communication system
CN100409715C (zh) * 2005-08-09 2008-08-06 大唐移动通信设备有限公司 降低扇区间同频干扰的方法
US8355376B2 (en) * 2005-08-25 2013-01-15 Samsung Electronics Co., Ltd Broadcast scheme for a multi-carrier wireless network
US20070064642A1 (en) 2005-09-21 2007-03-22 Hiroaki Watabe Cell search of time-overlapping cells in a mobile communication system
US8077759B2 (en) 2006-04-07 2011-12-13 Broadcom Corporation Method and apparatus for new cell identification in a WCDMA network with a given neighbor set
US8031745B2 (en) * 2006-04-20 2011-10-04 Texas Instruments Incorporated Downlink synchronization channel and methods for cellular systems
US8223625B2 (en) * 2006-08-23 2012-07-17 Qualcomm, Incorporated Acquisition in frequency division multiple access systems
US7920598B2 (en) * 2007-05-25 2011-04-05 Qualcomm Incorporated Scrambling methods for synchronization channels
JP4806665B2 (ja) * 2007-06-19 2011-11-02 株式会社エヌ・ティ・ティ・ドコモ 基地局装置、送信方法、及び通信システム
CN101448268B (zh) * 2008-12-26 2012-01-25 华为技术有限公司 邻区配置方法及装置和家庭基站配置方法及装置
US20100283347A1 (en) * 2009-05-07 2010-11-11 Clynton Caines Novel ganged alternating current generator
US8400995B2 (en) * 2010-09-22 2013-03-19 Freescale Semiconductor, Inc. System and method for descrambling data
US20130331109A1 (en) * 2012-06-08 2013-12-12 T-Mobile Usa, Inc. Cell Cluster Network Performance Optimizations
KR101988506B1 (ko) 2012-12-14 2019-09-30 삼성전자 주식회사 무선 이동통신 시스템에서 디스커버리 신호를 송/수신하는 방법 및 장치

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Publication number Priority date Publication date Assignee Title
US5440597A (en) * 1993-11-23 1995-08-08 Nokia Mobile Phones Ltd. Double dwell maximum likelihood acquisition system with continuous decision making for CDMA and direct spread spectrum system
US5613205A (en) 1995-03-31 1997-03-18 Telefonaktiebolaget Lm Ericsson System and method of locating a mobile terminal within the service area of a cellular telecommunication system
US5950131A (en) * 1996-10-29 1999-09-07 Motorola, Inc. Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone
JP3585333B2 (ja) * 1996-12-26 2004-11-04 松下電器産業株式会社 Ｃｄｍａ基地局装置
US6526039B1 (en) 1998-02-12 2003-02-25 Telefonaktiebolaget Lm Ericsson Method and system for facilitating timing of base stations in an asynchronous CDMA mobile communications system
JP3356707B2 (ja) 1999-01-14 2002-12-16 株式会社東芝 移動通信端末装置
US6480558B1 (en) * 1999-03-17 2002-11-12 Ericsson Inc. Synchronization and cell search methods and apparatus for wireless communications
CN1157004C (zh) 1999-04-29 2004-07-07 三星电子株式会社 宽带码分多址通信系统中使信道同步的设备和方法
JP2000312627A (ja) 1999-04-30 2000-11-14 Tachi S Co Ltd 乗り物シート
DE1188260T1 (de) * 1999-05-28 2003-11-27 Interdigital Tech Corp Verfahren zur zellensuche in tdd/cdma-nachrichtenübertragungssystemen
JP3660835B2 (ja) 1999-08-12 2005-06-15 株式会社エヌ・ティ・ティ・ドコモ 周辺基地局探索方法、移動局、移動通信システムおよび品質測定装置
EP1081976B1 (de) * 1999-09-06 2007-12-12 NTT DoCoMo, Inc. Steuerungsverfahren zum Suchen benachbarten Zellen, Mobilstation und Mobilkommunikationssystem
JP3438669B2 (ja) 1999-09-14 2003-08-18 日本電気株式会社 移動通信端末装置及びその制御方法並びにその制御プログラムを記録した記録媒体
EP1133077A1 (de) * 2000-03-10 2001-09-12 Mitsubishi Electric Information Technology Centre Europe B.V. Verfahren zur Synchronisation von Basisstationen und eine Mobilstation in einem zellularen Kommunikationssystem
JP3729329B2 (ja) 2000-09-19 2005-12-21 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムにおける移動局のセルサーチ方法および移動通信システムにおける移動局
JP3813432B2 (ja) 2000-10-12 2006-08-23 株式会社エヌ・ティ・ティ・ドコモ Ｃｄｍａ方式の無線移動機およびそのセルサーチ方法
JP2002165275A (ja) 2000-11-29 2002-06-07 Nec Corp 基地局間非同期システム及びそれに用いるセル配置手法
JP2002186009A (ja) 2000-12-12 2002-06-28 Ntt Docomo Inc 無線移動機のセルサーチ方法及び無線移動機
GB2374252A (en) 2001-04-04 2002-10-09 Ubinetics Ltd Identification of neighbouring cell scrambling codes

Also Published As

Publication number Publication date
CN1500315A (zh) 2004-05-26
ATE299314T1 (de) 2005-07-15
US20040146026A1 (en) 2004-07-29
DE60213390D1 (de) 2006-09-07
US7391756B2 (en) 2008-06-24
KR20030085089A (ko) 2003-11-01
CN1518801A (zh) 2004-08-04
DE60204953D1 (de) 2005-08-11
EP1374433A1 (de) 2004-01-02
JP2004530353A (ja) 2004-09-30
ATE299313T1 (de) 2005-07-15
WO2002082676A1 (en) 2002-10-17
DE60204952T2 (de) 2006-05-24
US20050063316A1 (en) 2005-03-24
GB0108506D0 (en) 2001-05-23
EP1374433B1 (de) 2005-07-06
GB2374252A (en) 2002-10-09
US7379439B2 (en) 2008-05-27
DE60213390T2 (de) 2007-08-23
US20040100935A1 (en) 2004-05-27
JP2004530354A (ja) 2004-09-30
ATE334511T1 (de) 2006-08-15
EP1374431B1 (de) 2006-07-26
EP1374431A1 (de) 2004-01-02
KR20030085090A (ko) 2003-11-01
JP2004525574A (ja) 2004-08-19
KR20030088486A (ko) 2003-11-19
WO2002082678A1 (en) 2002-10-17
US7336635B2 (en) 2008-02-26
WO2002082677A1 (en) 2002-10-17
WO2002082690A1 (en) 2002-10-17
CN1539207A (zh) 2004-10-20
DE60204953T2 (de) 2006-05-24
EP1374432A1 (de) 2004-01-02
EP1374432B1 (de) 2005-07-06

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