ATE299314T1 - Verfahren und vorrichtung zur schnellen w-cdma erfassung - Google Patents
Verfahren und vorrichtung zur schnellen w-cdma erfassungInfo
- Publication number
- ATE299314T1 ATE299314T1 AT02708529T AT02708529T ATE299314T1 AT E299314 T1 ATE299314 T1 AT E299314T1 AT 02708529 T AT02708529 T AT 02708529T AT 02708529 T AT02708529 T AT 02708529T AT E299314 T1 ATE299314 T1 AT E299314T1
- Authority
- AT
- Austria
- Prior art keywords
- cell
- ray
- neighbouring
- neighbouring cell
- mixing
- Prior art date
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0108506A GB2374252A (en) | 2001-04-04 | 2001-04-04 | Identification of neighbouring cell scrambling codes |
PCT/GB2002/001566 WO2002082678A1 (en) | 2001-04-04 | 2002-04-02 | Method and apparatus for fast w-cdma acquisition |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE299314T1 true ATE299314T1 (de) | 2005-07-15 |
Family
ID=9912268
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02708527T ATE299313T1 (de) | 2001-04-04 | 2002-04-02 | Verfahren und vorrichtung zur schnellen w-cdma erfassung |
AT02708529T ATE299314T1 (de) | 2001-04-04 | 2002-04-02 | Verfahren und vorrichtung zur schnellen w-cdma erfassung |
AT02708524T ATE334511T1 (de) | 2001-04-04 | 2002-04-02 | Verfahren und vorrichtung zur schnellen w-cdma erfassung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02708527T ATE299313T1 (de) | 2001-04-04 | 2002-04-02 | Verfahren und vorrichtung zur schnellen w-cdma erfassung |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02708524T ATE334511T1 (de) | 2001-04-04 | 2002-04-02 | Verfahren und vorrichtung zur schnellen w-cdma erfassung |
Country Status (9)
Country | Link |
---|---|
US (3) | US7391756B2 (de) |
EP (3) | EP1374431B1 (de) |
JP (3) | JP2004530353A (de) |
KR (3) | KR20030088486A (de) |
CN (3) | CN1539207A (de) |
AT (3) | ATE299313T1 (de) |
DE (3) | DE60204953T2 (de) |
GB (1) | GB2374252A (de) |
WO (4) | WO2002082678A1 (de) |
Families Citing this family (23)
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 |
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 |
AU2004202550A1 (en) * | 2003-06-18 | 2005-01-13 | Nec Australia Pty Ltd | Cell search process for wireless communication 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 |
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 |
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 |
JP4448516B2 (ja) | 2004-07-15 | 2010-04-14 | 富士通株式会社 | 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 |
Family Cites Families (19)
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 |
KR100369791B1 (ko) | 1999-04-29 | 2003-01-29 | 삼성전자 주식회사 | 비동기 방식의 부호분할다중접속 통신시스템의 동기장치및 방법 |
JP2000312627A (ja) | 1999-04-30 | 2000-11-14 | Tachi S Co Ltd | 乗り物シート |
CN100334818C (zh) * | 1999-05-28 | 2007-08-29 | 交互数字技术公司 | 使用码分多址的时分双工通信系统的蜂窝小区查找过程 |
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 |
KR100388924B1 (ko) * | 1999-09-06 | 2003-06-25 | 가부시키가이샤 엔.티.티.도코모 | 인접 셀 검색 제어 방법, 이동국, 및 이동 통신 시스템 |
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 |
-
2001
- 2001-04-04 GB GB0108506A patent/GB2374252A/en not_active Withdrawn
-
2002
- 2002-04-02 CN CNA028076176A patent/CN1539207A/zh active Pending
- 2002-04-02 WO PCT/GB2002/001566 patent/WO2002082678A1/en active IP Right Grant
- 2002-04-02 KR KR10-2003-7012930A patent/KR20030088486A/ko not_active Application Discontinuation
- 2002-04-02 WO PCT/GB2002/001568 patent/WO2002082690A1/en not_active Application Discontinuation
- 2002-04-02 EP EP02708524A patent/EP1374431B1/de not_active Expired - Lifetime
- 2002-04-02 AT AT02708527T patent/ATE299313T1/de not_active IP Right Cessation
- 2002-04-02 WO PCT/GB2002/001561 patent/WO2002082677A1/en active IP Right Grant
- 2002-04-02 CN CNA028075595A patent/CN1518801A/zh active Pending
- 2002-04-02 US US10/473,921 patent/US7391756B2/en active Active
- 2002-04-02 JP JP2002580514A patent/JP2004530353A/ja active Pending
- 2002-04-02 DE DE60204953T patent/DE60204953T2/de not_active Expired - Lifetime
- 2002-04-02 US US10/473,930 patent/US7379439B2/en not_active Expired - Lifetime
- 2002-04-02 KR KR10-2003-7012931A patent/KR20030085090A/ko not_active Application Discontinuation
- 2002-04-02 AT AT02708529T patent/ATE299314T1/de not_active IP Right Cessation
- 2002-04-02 US US10/473,922 patent/US7336635B2/en not_active Expired - Lifetime
- 2002-04-02 JP JP2002580513A patent/JP2004525574A/ja active Pending
- 2002-04-02 CN CNA028076206A patent/CN1500315A/zh active Pending
- 2002-04-02 EP EP02708529A patent/EP1374433B1/de not_active Expired - Lifetime
- 2002-04-02 JP JP2002580515A patent/JP2004530354A/ja active Pending
- 2002-04-02 DE DE60204952T patent/DE60204952T2/de not_active Expired - Lifetime
- 2002-04-02 DE DE60213390T patent/DE60213390T2/de not_active Expired - Lifetime
- 2002-04-02 WO PCT/GB2002/001555 patent/WO2002082676A1/en active IP Right Grant
- 2002-04-02 AT AT02708524T patent/ATE334511T1/de not_active IP Right Cessation
- 2002-04-02 EP EP02708527A patent/EP1374432B1/de not_active Expired - Lifetime
- 2002-04-02 KR KR10-2003-7012929A patent/KR20030085089A/ko not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |