DE60043166D1 - Zellensuchverfahren, Kommunikationssynchronisationsgerät-Programm, und tragbares Endgerät - Google Patents

Zellensuchverfahren, Kommunikationssynchronisationsgerät-Programm, und tragbares Endgerät

Info

Publication number
DE60043166D1
DE60043166D1 DE60043166T DE60043166T DE60043166D1 DE 60043166 D1 DE60043166 D1 DE 60043166D1 DE 60043166 T DE60043166 T DE 60043166T DE 60043166 T DE60043166 T DE 60043166T DE 60043166 D1 DE60043166 D1 DE 60043166D1
Authority
DE
Germany
Prior art keywords
portable terminal
search method
cell search
synchronizer program
communication synchronizer
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
DE60043166T
Other languages
English (en)
Inventor
Koichi Kuroiwa
Masami Kanasugi
Mahiro Hikita
Shoji Taniguchi
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.)
Fujitsu Semiconductor Ltd
Original Assignee
Fujitsu Semiconductor 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
Priority claimed from JP12178299A external-priority patent/JP3637238B2/ja
Priority claimed from JP18571499A external-priority patent/JP3597731B2/ja
Priority claimed from JP37325299A external-priority patent/JP2001189681A/ja
Application filed by Fujitsu Semiconductor Ltd filed Critical Fujitsu Semiconductor Ltd
Application granted granted Critical
Publication of DE60043166D1 publication Critical patent/DE60043166D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70755—Setting of lock conditions, e.g. threshold
    • 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
    • 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
    • H04B1/709—Correlator structure
    • 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)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60043166T 1999-04-28 2000-03-23 Zellensuchverfahren, Kommunikationssynchronisationsgerät-Programm, und tragbares Endgerät Expired - Lifetime DE60043166D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP12178299A JP3637238B2 (ja) 1999-04-28 1999-04-28 セルサーチ方法、同期装置および記録媒体
JP18571499A JP3597731B2 (ja) 1999-06-30 1999-06-30 セルサーチ方法および通信の同期装置、記録媒体
JP37325299A JP2001189681A (ja) 1999-12-28 1999-12-28 通信の同期装置および携帯端末装置

Publications (1)

Publication Number Publication Date
DE60043166D1 true DE60043166D1 (de) 2009-11-26

Family

ID=27314318

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60043166T Expired - Lifetime DE60043166D1 (de) 1999-04-28 2000-03-23 Zellensuchverfahren, Kommunikationssynchronisationsgerät-Programm, und tragbares Endgerät
DE60036432T Expired - Lifetime DE60036432T2 (de) 1999-04-28 2000-03-23 Zellensuchverfahren, Kommunikationssynchronisationsgerät, und tragbares Endgerät

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60036432T Expired - Lifetime DE60036432T2 (de) 1999-04-28 2000-03-23 Zellensuchverfahren, Kommunikationssynchronisationsgerät, und tragbares Endgerät

Country Status (6)

Country Link
US (1) US7085252B1 (de)
EP (4) EP1598948B1 (de)
KR (1) KR100664641B1 (de)
CN (1) CN100481755C (de)
DE (2) DE60043166D1 (de)
TW (1) TW463481B (de)

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JP2001086032A (ja) 1999-09-10 2001-03-30 Pioneer Electronic Corp 通信装置及び通信方法
JP2001244849A (ja) * 2000-02-29 2001-09-07 Matsushita Electric Ind Co Ltd 通信端末装置及びセルサーチ方法
JP3851525B2 (ja) * 2001-08-09 2006-11-29 株式会社エヌ・ティ・ティ・ドコモ 移動局装置、移動通信システムおよびキャリア検出方法
JP3843040B2 (ja) * 2001-09-26 2006-11-08 松下電器産業株式会社 セルサーチ方法及び通信端末装置
RU2258307C2 (ru) * 2001-10-10 2005-08-10 Самсунгс Электроникс Ко., Лтд. Способ поиска ячеек в режиме прерывистого приема в системе мобильной связи
US7548506B2 (en) * 2001-10-17 2009-06-16 Nortel Networks Limited System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design
JPWO2004002000A1 (ja) * 2002-05-22 2005-10-27 松下電器産業株式会社 受信装置および受信方法
KR101056365B1 (ko) * 2004-02-28 2011-08-11 삼성전자주식회사 비트 다운 스케일링 방법 및 장치, 지피에스 동기포착방법및 지피에스 수신장치
CN100391285C (zh) * 2005-04-30 2008-05-28 大唐移动通信设备有限公司 一种移动通信终端的小区搜索方法及其装置
JP2007060183A (ja) * 2005-08-24 2007-03-08 Oki Electric Ind Co Ltd 同期制御装置およびその方法
JP5106969B2 (ja) * 2007-10-01 2012-12-26 株式会社エヌ・ティ・ティ・ドコモ ユーザ装置及びセルサーチ方法
JP4721074B2 (ja) * 2008-04-23 2011-07-13 ソニー株式会社 受信装置および受信方法、並びにプログラム
JP2011003970A (ja) * 2009-06-16 2011-01-06 Fujitsu Ltd 受信装置、基地局装置及び同期タイミング検出方法
US9730097B2 (en) * 2012-07-25 2017-08-08 Mediatek Inc. Method of efficient blind SCell activation
CN108401478B (zh) * 2018-03-13 2019-10-08 香港应用科技研究院有限公司 无线网络中的小区搜索

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JPH0214634A (ja) 1988-06-30 1990-01-18 Mitsubishi Electric Corp スペクトル拡散通信用拡散コード同期判定回路
JPH0536268A (ja) 1991-08-01 1993-02-12 Hitachi Ltd 時分割スイツチ
JP2802870B2 (ja) * 1993-03-10 1998-09-24 エヌ・ティ・ティ移動通信網株式会社 符号分割多重移動通信機及び符号分割多重移動通信のセル選択方法
FR2706709B1 (fr) * 1993-06-16 1995-08-25 Matra Communication Procédé de synchronisation pour des communications radiotéléphoniques à accès multiple à répartition par codes.
US5596521A (en) * 1994-01-06 1997-01-21 Oki Electric Industry Co., Ltd. Semiconductor memory with built-in cache
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US5530716A (en) * 1994-06-30 1996-06-25 Motorola, Inc. Method and apparatus for identifying a coded communication signal
US5710768A (en) * 1994-09-30 1998-01-20 Qualcomm Incorporated Method of searching for a bursty signal
JPH08154083A (ja) 1994-11-28 1996-06-11 Oki Electric Ind Co Ltd 符号分割多元接続受信装置
US5805648A (en) * 1995-07-31 1998-09-08 Qualcomm Incorporated Method and apparatus for performing search acquisition in a CDMA communication system
US5825835A (en) * 1996-02-23 1998-10-20 L-3 Communications Corporation Multi-user acquisition procedure for multipoint-to-point synchronous CDMA systems
WO1997033400A1 (fr) * 1996-03-05 1997-09-12 Ntt Mobile Communications Network Inc. Procede de transmission de signaux, emetteur, recepteur, et procede de synchronisation de code a etalement de spectre pour systeme de communication mobile
US5960048A (en) * 1996-03-26 1999-09-28 Telefonaktiebolaget Lm Ericsson Method and an arrangement for receiving a symbol sequence
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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
JP3228405B2 (ja) 1996-12-25 2001-11-12 株式会社エヌ・ティ・ティ・ドコモ 直接拡散ｃｄｍａ伝送方式の受信機
JPH10200506A (ja) * 1997-01-06 1998-07-31 Sony Corp 受信装置及び受信方法、並びに無線システムの端末装置
JPH10200505A (ja) * 1997-01-06 1998-07-31 Sony Corp 受信装置及び受信方法、並びに無線システムの端末装置
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JP2856249B2 (ja) * 1997-06-24 1999-02-10 日本電気株式会社 Ｃｄｍａ同期捕捉回路
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JPH1117649A (ja) 1997-06-25 1999-01-22 Kokusai Electric Co Ltd Ｒａｋｅ合成パス検出方式およびｒａｋｅ合成パス検出回路
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JP2894342B1 (ja) * 1998-03-13 1999-05-24 日本電気株式会社 スロットタイミング検出方法および検出回路ならびに移動局ならびに移動通信システム
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JP2000357980A (ja) * 1999-06-16 2000-12-26 Matsushita Electric Ind Co Ltd 受信装置

Also Published As

Publication number Publication date
CN1272008A (zh) 2000-11-01
KR20000071459A (ko) 2000-11-25
EP2134001A1 (de) 2009-12-16
KR100664641B1 (ko) 2007-01-04
EP2134001B1 (de) 2011-08-03
EP1049265A3 (de) 2004-04-28
EP1049265A2 (de) 2000-11-02
EP2120357A1 (de) 2009-11-18
EP1598948B1 (de) 2009-10-14
TW463481B (en) 2001-11-11
US7085252B1 (en) 2006-08-01
DE60036432T2 (de) 2008-06-19
CN100481755C (zh) 2009-04-22
DE60036432D1 (de) 2007-10-31
EP1049265B1 (de) 2007-09-19
EP1598948A1 (de) 2005-11-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FUJITSU SEMICONDUCTOR LTD., YOKOHAMA, KANAGAWA, JP

8328 Change in the person/name/address of the agent

Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE