DE69812860D1 - Verfahren zur Zellsuche und Mobilstation - Google Patents

Verfahren zur Zellsuche und Mobilstation

Info

Publication number
DE69812860D1
DE69812860D1 DE69812860T DE69812860T DE69812860D1 DE 69812860 D1 DE69812860 D1 DE 69812860D1 DE 69812860 T DE69812860 T DE 69812860T DE 69812860 T DE69812860 T DE 69812860T DE 69812860 D1 DE69812860 D1 DE 69812860D1
Authority
DE
Germany
Prior art keywords
mobile station
search method
cell search
cell
station
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
DE69812860T
Other languages
English (en)
Other versions
DE69812860T2 (de
Inventor
Masatoshi Watanabe
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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 Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69812860D1 publication Critical patent/DE69812860D1/de
Application granted granted Critical
Publication of DE69812860T2 publication Critical patent/DE69812860T2/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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/708—Parallel implementation
    • 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
    • H04B1/70756—Jumping within the code, i.e. masking or slewing
    • 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
    • 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
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • 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
    • 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)
DE1998612860 1997-12-18 1998-12-15 Verfahren zur Zellsuche und Mobilstation Expired - Lifetime DE69812860T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP36456997A JP3793632B2 (ja) 1997-12-18 1997-12-18 セルサーチ方法及び移動局装置

Publications (2)

Publication Number Publication Date
DE69812860D1 true DE69812860D1 (de) 2003-05-08
DE69812860T2 DE69812860T2 (de) 2003-11-06

Family

ID=18482138

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998612860 Expired - Lifetime DE69812860T2 (de) 1997-12-18 1998-12-15 Verfahren zur Zellsuche und Mobilstation

Country Status (7)

Country Link
US (1) US6044104A (de)
EP (1) EP0924868B1 (de)
JP (1) JP3793632B2 (de)
KR (1) KR100304845B1 (de)
CN (1) CN1096213C (de)
CA (1) CA2255323C (de)
DE (1) DE69812860T2 (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI100494B (fi) * 1995-11-20 1997-12-15 Nokia Telecommunications Oy Menetelmä vastaanottimen ohjaamiseksi ja vastaanotin
KR100249045B1 (ko) * 1997-12-29 2000-03-15 김영환 기지국의 탐색창크기 조절방법
EP0989696B1 (de) * 1998-05-07 2014-08-20 Ntt Docomo, Inc. Verfahren zur zuweisung und übertragung von spreizsignalen in einem direkt-spreizband mobil-cdma-nachrichtenübertragungssystem, mobiles nachrichtenübertragungssystem und sender, empfänger und sender/empfänger eines mobilen nachrichtenübertragungssystems
KR100277761B1 (ko) * 1998-06-25 2001-01-15 윤종용 셀룰러 시스템에서 이동 단말기의 탐색 범위설정 방법
DE19832851C1 (de) * 1998-07-21 2000-03-30 Siemens Ag Akquisitionsverfahren und Anordnung zur Durchführung des Verfahrens
KR100421142B1 (ko) * 1999-04-28 2004-03-04 삼성전자주식회사 이동통신시스템의 셀탐색 장치 및 방법
EP1104977A4 (de) * 1999-06-15 2005-12-21 Ntt Docomo Inc Verfahren zur aktualisierung von nebenbasisstation, informationskontrollverfahren zur zellensuche in mobilkommunikationssystem, zellensuchverfahren in mobilstation, mobilkommunikationssystem, basisstation und kontrollstation
JP3683128B2 (ja) 1999-07-06 2005-08-17 日本電気株式会社 無線通信機および無線通信機の消費電力制御方法
JP3367475B2 (ja) 1999-07-06 2003-01-14 日本電気株式会社 無線通信機および無線通信機の消費電力制御方法
US6421389B1 (en) * 1999-07-16 2002-07-16 Time Domain Corporation Baseband signal converter for a wideband impulse radio receiver
JP3412689B2 (ja) 1999-08-26 2003-06-03 日本電気株式会社 携帯電話機
US6542743B1 (en) * 1999-08-31 2003-04-01 Qualcomm, Incorporated Method and apparatus for reducing pilot search times utilizing mobile station location information
JP2001086035A (ja) * 1999-09-14 2001-03-30 Nec Corp Ｃｄｍａにおけるセルサーチ方法
JP3279297B2 (ja) 1999-09-24 2002-04-30 日本電気株式会社 Ｃｄｍａ移動通信受信方式におけるサーチ方法および受信装置
US6831956B1 (en) * 1999-09-28 2004-12-14 Texas Instruments Incorporated Wireless communications system with combining of multiple paths selected from sub-windows in response to the primary synchronization channel
US20020137513A1 (en) * 1999-12-13 2002-09-26 Koichi Aihara Communication terminal apparatus and radio communication method
JP2001211101A (ja) * 2000-01-26 2001-08-03 Nec Corp 低消費電力ｃｄｍａ受信機、及びその消費電力低減方法
US20010048714A1 (en) * 2000-01-28 2001-12-06 Uma Jha Method and apparatus for processing a secondary synchronization channel in a spread spectrum system
JP3387471B2 (ja) 2000-02-14 2003-03-17 日本電気株式会社 スペクトラム拡散通信方式受信機およびスペクトラム拡散通信のパスサーチ方法
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
CN1131653C (zh) * 2000-03-27 2003-12-17 ***电信科学技术研究院 一种码分多址数字移动通信***的小区初始搜索方法
JP2001285129A (ja) * 2000-03-29 2001-10-12 Nec Corp Ｃｄｍａ復調回路及び復調方法
US7224719B1 (en) 2000-03-31 2007-05-29 Qualcomm, Incorporated Fast acquisition of a pilot signal in a wireless communication device
JP2002026768A (ja) 2000-07-07 2002-01-25 Nec Corp 通信装置
JP3476009B2 (ja) * 2000-10-11 2003-12-10 日本電気株式会社 Ｃｄｍａ通信システムにおける移動局及びそのフィンガー割り当て方法
GB2368238B (en) * 2000-10-17 2004-04-14 Ubinetics Ltd A method of searching a code space
US6771622B1 (en) * 2000-11-17 2004-08-03 Koninklijke Philips Electronics N.V. Pilot-signal searching with decimation reordering
JP2002164812A (ja) * 2000-11-24 2002-06-07 Nec Corp スペクトラム拡散通信用パスサーチ回路
JP3428637B2 (ja) * 2000-11-27 2003-07-22 日本電気株式会社 Ｃｄｍａ受信機のマルチパス検出方法および回路
US20020077125A1 (en) * 2000-12-20 2002-06-20 Hunzinger Jason F. Efficient CDMA earliest phase offset search for geo-location
WO2002087100A1 (en) * 2001-04-19 2002-10-31 Telefonaktiebolaget Lm Ericsson (Publ) A cdma mobile station with power saving using adaptive correlation window in path search
DE60109416T2 (de) * 2001-04-19 2006-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Eine CDMA Mobilstation mit Leistungsersparung unter Verwendung eines anpassbaren Korrelationsfensters in der Pfadsuche
JP3345406B1 (ja) * 2001-05-25 2002-11-18 松下電器産業株式会社 無線受信装置及び無線受信方法
JP3565269B2 (ja) * 2001-08-22 2004-09-15 日本電気株式会社 Ｃｄｍａ受信装置とパスサーチ方法およびプログラム
EP1313336B1 (de) * 2001-10-10 2005-12-28 Samsung Electronics Co., Ltd. Zellsuchverfahren im diskontinuierlichen Empfangsbetrieb in einem mobilen Kommunikationssystem
US6760365B2 (en) 2001-10-11 2004-07-06 Interdigital Technology Corporation Acquisition circuit for low chip rate option for mobile telecommunication system
US7729412B2 (en) * 2001-10-29 2010-06-01 Qualcomm Incorporated Parameter estimator with dynamically variable integration time
US7308022B2 (en) * 2001-11-01 2007-12-11 Rick Roland R Parameter estimator configured to distinguish between peaks and sidelobes of correlation function
US7558534B2 (en) 2001-11-02 2009-07-07 Qualcomm Incorporated Reliability metrics for parameter estimates which account for cumulative error
AU2002225378A1 (en) * 2001-12-28 2003-07-30 Nokia Corporation Node selecting method
WO2003061310A1 (fr) * 2001-12-28 2003-07-24 Nokia Corporation Procede de selection d'un noeud
US8761081B2 (en) * 2002-03-19 2014-06-24 Texas Instuments Incorporated Method and apparatus for cell searching in asynchronous CDMA systems
US7453863B2 (en) 2002-04-04 2008-11-18 Lg Electronics Inc. Cell searching apparatus and method in asynchronous mobile communication system
KR100459424B1 (ko) * 2002-04-04 2004-12-03 엘지전자 주식회사 이동통신 단말기의 셀 탐색 장치
AU2003259590A1 (en) * 2003-01-23 2004-08-12 Nec Australia Pty Ltd Cell search method and apparatus in a WCDMA system
JP2004312145A (ja) * 2003-04-03 2004-11-04 Matsushita Electric Ind Co Ltd 適応等化器
JP4770146B2 (ja) * 2004-09-14 2011-09-14 日本電気株式会社 情報処理装置及び情報処理方法
US7316089B2 (en) * 2004-10-12 2008-01-08 Southern Imperial, Inc. Clip-on price channel
US7764726B2 (en) * 2004-12-01 2010-07-27 Qualomm Incorporated Systems, methods, and apparatus for jammer rejection
US7620099B2 (en) * 2005-07-28 2009-11-17 Broadcom Corporation WCDMA terminal baseband processing module having multi-path scanner module
JP5162910B2 (ja) * 2007-01-23 2013-03-13 日本電気株式会社 情報通信端末の通信方法および情報通信端末の通信プログラム
JP5140439B2 (ja) * 2008-01-10 2013-02-06 株式会社エヌ・ティ・ティ・ドコモ 移動通信端末及びその制御方法
US8094702B2 (en) 2008-04-28 2012-01-10 Qualcomm Incorporated System and/or method for detecting multi-tone jamming
JP5137746B2 (ja) * 2008-08-28 2013-02-06 キヤノン株式会社 通信装置、通信装置の制御方法、プログラム
JP5395615B2 (ja) * 2009-10-27 2014-01-22 キヤノン株式会社 無線通信装置、無線通信装置の制御方法及びプログラム
KR101667587B1 (ko) * 2010-08-16 2016-10-19 엘지전자 주식회사 무선 통신 시스템에서 셀 재선택을 위한 셀 탐색 간격 최적화 방법 및 이를 위한 장치

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730340A (en) * 1980-10-31 1988-03-08 Harris Corp. Programmable time invariant coherent spread symbol correlator
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
JPH0661831A (ja) * 1992-08-06 1994-03-04 Mitsubishi Denki Eng Kk 半導体集積回路
FI932605A (fi) * 1993-06-07 1994-12-08 Nokia Telecommunications Oy Tukiasemavastaanotinlaitteisto
JP2655068B2 (ja) * 1993-12-30 1997-09-17 日本電気株式会社 スペクトラム拡散受信機
JP2605648B2 (ja) * 1994-12-22 1997-04-30 日本電気株式会社 Ｓｓ受信機における逆拡散符号位相検出装置
FI97581C (fi) * 1995-02-10 1997-01-10 Nokia Telecommunications Oy Vastaanotin ja menetelmä hajotuskoodien generoimiseksi vastaanottimessa
US5627835A (en) * 1995-04-04 1997-05-06 Oki Telecom Artificial window size interrupt reduction system for CDMA receiver
JPH09238093A (ja) * 1996-02-29 1997-09-09 Sanyo Electric Co Ltd スペクトル拡散受信装置
JP2858561B2 (ja) * 1996-05-30 1999-02-17 日本電気株式会社 デジタルｄｌｌ回路
US5889768A (en) * 1996-08-30 1999-03-30 Motorola, Inc. Method of and apparatus for pilot channel acquisition
US5903550A (en) * 1997-01-02 1999-05-11 Motorola, Inc. Method and system for parallel demodulation of multiple chips of a CDMA signal
US5894494A (en) * 1997-10-29 1999-04-13 Golden Bridge Technology, Inc. Parallel correlator architecture for synchronizing direct sequence spread-spectrum signals

Also Published As

Publication number Publication date
US6044104A (en) 2000-03-28
EP0924868A1 (de) 1999-06-23
DE69812860T2 (de) 2003-11-06
CN1096213C (zh) 2002-12-11
CA2255323A1 (en) 1999-06-18
EP0924868B1 (de) 2003-04-02
JPH11187450A (ja) 1999-07-09
KR19990063199A (ko) 1999-07-26
CN1226127A (zh) 1999-08-18
JP3793632B2 (ja) 2006-07-05
KR100304845B1 (ko) 2001-09-24
CA2255323C (en) 2003-02-25

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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: PANASONIC CORP., KADOMA, OSAKA, JP