DE60220409D1 - Vorrichtung und verfahren zur durchführung der anfangszellensuche in einem drahtlosen kommunikationssystemen - Google Patents

Vorrichtung und verfahren zur durchführung der anfangszellensuche in einem drahtlosen kommunikationssystemen

Info

Publication number
DE60220409D1
DE60220409D1 DE60220409T DE60220409T DE60220409D1 DE 60220409 D1 DE60220409 D1 DE 60220409D1 DE 60220409 T DE60220409 T DE 60220409T DE 60220409 T DE60220409 T DE 60220409T DE 60220409 D1 DE60220409 D1 DE 60220409D1
Authority
DE
Germany
Prior art keywords
psc
ssc
input signal
synchronization code
communication system
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
DE60220409T
Other languages
English (en)
Other versions
DE60220409T2 (de
Inventor
Prabhakar R Chitrapu
Louis J Guccione
Andrew F Bednarz
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.)
InterDigital Technology Corp
Original Assignee
InterDigital Technology Corp
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 InterDigital Technology Corp filed Critical InterDigital Technology Corp
Application granted granted Critical
Publication of DE60220409D1 publication Critical patent/DE60220409D1/de
Publication of DE60220409T2 publication Critical patent/DE60220409T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/70735Code identification
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7083Cell search, e.g. using a three-step approach

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE60220409T 2001-06-22 2002-04-15 Vorrichtung und verfahren zur durchführung der anfangszellensuche in einem drahtlosen kommunikationssystemen Expired - Lifetime DE60220409T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US30041201P 2001-06-22 2001-06-22
US300412P 2001-06-22
US09/998,885 US6894995B2 (en) 2001-06-22 2001-10-31 Apparatus and method for performing initial cell search in wireless communication systems
US998885 2001-10-31
PCT/US2002/011669 WO2003001711A1 (en) 2001-06-22 2002-04-15 An improved apparatus and method for performing initial cell search in wireless communication systems

Publications (2)

Publication Number Publication Date
DE60220409D1 true DE60220409D1 (de) 2007-07-12
DE60220409T2 DE60220409T2 (de) 2008-01-24

Family

ID=26971771

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60220409T Expired - Lifetime DE60220409T2 (de) 2001-06-22 2002-04-15 Vorrichtung und verfahren zur durchführung der anfangszellensuche in einem drahtlosen kommunikationssystemen

Country Status (15)

Country Link
US (2) US6894995B2 (de)
EP (1) EP1407566B1 (de)
JP (1) JP3962016B2 (de)
KR (3) KR20050098007A (de)
CN (1) CN1518808A (de)
AT (1) ATE363777T1 (de)
BR (1) BR0211031A (de)
CA (1) CA2451242C (de)
DE (1) DE60220409T2 (de)
ES (1) ES2287295T3 (de)
IL (1) IL159390A0 (de)
MX (1) MXPA03011879A (de)
NO (1) NO20035741L (de)
TW (4) TWI276316B (de)
WO (1) WO2003001711A1 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6396819B1 (en) 1998-03-21 2002-05-28 Richard D. Fleeter Low-cost satellite communication system
US7433391B2 (en) * 2000-02-28 2008-10-07 Aeroastro, Inc. Spread-spectrum receiver with fast M-sequence transform
US7227884B2 (en) 2000-02-28 2007-06-05 Aeroastro, Inc. Spread-spectrum receiver with progressive fourier transform
US6894995B2 (en) * 2001-06-22 2005-05-17 Interdigital Technology Corporation Apparatus and method for performing initial cell search in wireless communication systems
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
KR100762602B1 (ko) * 2001-10-08 2007-10-01 삼성전자주식회사 부호분할다중접속 이동통신시스템에서 기준 타이밍생성장치 및 방법
US7356098B2 (en) * 2001-11-14 2008-04-08 Ipwireless, Inc. Method, communication system and communication unit for synchronisation for multi-rate communication
US7065064B2 (en) * 2001-12-20 2006-06-20 Interdigital Technology Corporation Cell search using peak quality factors
US20030128787A1 (en) * 2002-01-10 2003-07-10 Daisuke Terasawa Method and apparatus for mitigating interference between base stations in a wideband CDMA system
US7126981B2 (en) * 2002-04-25 2006-10-24 Accton Technology Corporation Method and apparatus for cell search for W-CDMA with effect of clock offset
US20040058650A1 (en) * 2002-09-19 2004-03-25 Torgny Palenius Receivers and methods for searching for cells using recorded data
US7738437B2 (en) * 2003-01-21 2010-06-15 Nortel Networks Limited Physical layer structures and initial access schemes in an unsynchronized communication network
CA2513442A1 (en) 2003-02-05 2004-08-26 Interdigital Technology Corporation Initial cell search in wireless communication systems
US6873833B2 (en) * 2003-03-27 2005-03-29 Interdigital Technology Corporation Method and apparatus for estimating and controlling initial time slot gain in a wireless communication system
WO2004093476A1 (ja) * 2003-04-16 2004-10-28 Nec Corporation 移動通信システム、基地局、移動局、及びそれらに用いる無線通信方法
US7394801B2 (en) * 2003-06-17 2008-07-01 Qisda Corporation Cell search method suitable for initial cell search and target cell search
FR2857209B1 (fr) * 2003-07-03 2005-09-09 Nec Technologies Uk Ltd Procede d'optimisation de la recherche de cellules par un terminal mobile
KR100548416B1 (ko) * 2003-10-28 2006-02-02 엘지전자 주식회사 무선 프레임 동기화 방법
WO2005088855A1 (ja) * 2004-03-16 2005-09-22 Nec Corporation 無線通信システム用のセル・サーチ方法
AU2005201793A1 (en) * 2004-05-21 2005-12-08 Nec Australia Pty Ltd Method of scheduling cell search operations
US7917140B2 (en) * 2004-12-06 2011-03-29 Telefonaktiebolaget L M Ericsson (Publ) Initial cell search in mobile communications systems
US8134996B2 (en) 2005-07-21 2012-03-13 Texas Instruments Incorporated Downlink synchronization for a cellular OFDM communication system
EP1906572A4 (de) * 2005-08-22 2012-05-02 Panasonic Corp Basisstationseinrichtung und mobilstationseinrichtung
WO2007136415A2 (en) * 2005-12-30 2007-11-29 Comtech Mobile Datacom Corporation Mobile satellite communications
EP2014116A4 (de) * 2006-04-20 2013-10-09 Texas Instruments Inc Abwärtsstreckensynchronisationskanal und verfahren für zellulare systeme
CN101490978A (zh) * 2006-04-20 2009-07-22 德克萨斯仪器股份有限公司 下行链路同步化信道和蜂窝系统的方法
US8031745B2 (en) * 2006-04-20 2011-10-04 Texas Instruments Incorporated Downlink synchronization channel and methods for cellular systems
EP3422627A3 (de) 2006-07-25 2019-02-13 Electronics and Telecommunications Research Institute Zellsuchverfahren, verfahren zur übertragung eines vorwärtsverbindungsrahmens, vorrichtung damit und vorwärtsverbindungsrahmenstruktur
US8223625B2 (en) * 2006-08-23 2012-07-17 Qualcomm, Incorporated Acquisition in frequency division multiple access systems
US8275080B2 (en) * 2006-11-17 2012-09-25 Comtech Mobile Datacom Corporation Self-supporting simplex packets
GB2458418B (en) 2006-12-19 2011-08-03 Lg Electronics Inc Sequence generating method for efficient detection and method for transmitting and receiving signals using the same
US8009661B2 (en) 2007-01-31 2011-08-30 Telefonaktiebolaget Lm Ericsson (Publ) Cell searching system and method
CN100556195C (zh) * 2007-04-29 2009-10-28 中兴通讯股份有限公司 时分双工系统循环前缀类型的检测及小区初始搜索方法
KR100938756B1 (ko) 2007-07-06 2010-01-26 엘지전자 주식회사 무선통신 시스템에서 셀 탐색 과정을 수행하는 방법
US9119132B2 (en) 2007-10-10 2015-08-25 Qualcomm Incorporated Efficient system identification schemes for communication systems
US8503547B2 (en) * 2007-10-11 2013-08-06 Qualcomm Incorporated Scrambling codes for secondary synchronization codes in wireless communication systems
US8284749B2 (en) * 2008-03-10 2012-10-09 Comtech Mobile Datacom Corporation Time slot synchronized, flexible bandwidth communication system
KR20090116079A (ko) * 2008-05-06 2009-11-11 주식회사 팬택앤큐리텔 기지국 제어기의 빔 포밍 시스템 및 방법
US8548107B1 (en) 2009-01-26 2013-10-01 Comtech Mobile Datacom Corporation Advanced multi-user detector
US9106364B1 (en) 2009-01-26 2015-08-11 Comtech Mobile Datacom Corporation Signal processing of a high capacity waveform
KR101687589B1 (ko) * 2009-04-24 2016-12-20 한국전자통신연구원 셀룰라 무선 통신 시스템에서의 협력 통신 방법 및 이를 수행하는 단말기
US8265625B2 (en) 2009-08-20 2012-09-11 Acer Incorporated Systems and methods for network entry management
US8675711B1 (en) 2009-09-25 2014-03-18 Comtech Mobile Datacom Corporation System and methods for dynamic spread spectrum usage
CN102347783A (zh) * 2010-07-30 2012-02-08 富士通株式会社 在时分双工系统中进行同步检测的装置、方法及终端设备
TWI404346B (zh) * 2010-11-12 2013-08-01 Ind Tech Res Inst 分碼多工為基礎之多用戶偵測方法及系統及其電腦程式產品
GB2496383A (en) * 2011-11-07 2013-05-15 Nec Corp Extension carriers having synchronisation signals with configurable locations
US9510212B2 (en) 2012-04-27 2016-11-29 Qualcomm Incorporated Signal designs for densely deployed network
US9615296B2 (en) 2013-01-28 2017-04-04 Nokia Solutions And Networks Oy System and method for scrambling code association
US11363550B2 (en) * 2018-11-28 2022-06-14 Samsung Electronics Co., Ltd. Wireless communication device for detecting synchronization signal and method of searching for synchronization signal by using the same
KR20210056861A (ko) 2019-11-11 2021-05-20 삼성전자주식회사 전자 장치 및 전자 장치의 셀 선택 방법

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6185244B1 (en) * 1997-08-29 2001-02-06 Telefonaktiebolaget Lm Ericsson Cell searching in a CDMA communications system
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
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
US6233466B1 (en) * 1998-12-14 2001-05-15 Metawave Communications Corporation Downlink beamforming using beam sweeping and subscriber feedback
EP1155589A1 (de) * 1999-02-26 2001-11-21 QUALCOMM Incorporated Vorrichtung und verfahren zum weiterreichen zwischen einer asynchronen cdma-basisstation und einer synchronen cdma-basisstation
US6480558B1 (en) * 1999-03-17 2002-11-12 Ericsson Inc. Synchronization and cell search methods and apparatus for wireless communications
US6804311B1 (en) * 1999-04-08 2004-10-12 Texas Instruments Incorporated Diversity detection for WCDMA
DE60044928D1 (de) 1999-04-29 2010-10-21 Samsung Electronics Co Ltd Gerät und verfahren für synkronisation von kanälen in einem breitband w-cdma kommunikationssystem
US6717930B1 (en) * 2000-05-22 2004-04-06 Interdigital Technology Corporation Cell search procedure for time division duplex communication systems using code division multiple access
US6363060B1 (en) * 1999-06-30 2002-03-26 Qualcomm Incorporated Method and apparatus for fast WCDMA acquisition
KR100388924B1 (ko) * 1999-09-06 2003-06-25 가부시키가이샤 엔.티.티.도코모 인접 셀 검색 제어 방법, 이동국, 및 이동 통신 시스템
JP2001086035A (ja) * 1999-09-14 2001-03-30 Nec Corp Cdmaにおけるセルサーチ方法
US6665288B1 (en) * 1999-11-08 2003-12-16 Ericsson Inc. Method and apparatus for reducing synchronization code interference in CDMA communications systems
US6597729B1 (en) * 2000-03-29 2003-07-22 Texas Instruments Incorporated Joint position and carrier frequency estimation method of initial frequency acquisition for a WCDMA mobile terminal
US6894995B2 (en) * 2001-06-22 2005-05-17 Interdigital Technology Corporation Apparatus and method for performing initial cell search in wireless communication systems
US6768768B2 (en) * 2001-09-19 2004-07-27 Qualcomm Incorporated Method and apparatus for step two W-CDMA searching

Also Published As

Publication number Publication date
TWI239779B (en) 2005-09-11
DE60220409T2 (de) 2008-01-24
EP1407566B1 (de) 2007-05-30
WO2003001711A1 (en) 2003-01-03
US20050221848A1 (en) 2005-10-06
ATE363777T1 (de) 2007-06-15
KR20040007737A (ko) 2004-01-24
CA2451242A1 (en) 2003-01-03
JP3962016B2 (ja) 2007-08-22
KR100703645B1 (ko) 2007-04-05
IL159390A0 (en) 2004-06-01
KR20070065446A (ko) 2007-06-22
JP2004533784A (ja) 2004-11-04
ES2287295T3 (es) 2007-12-16
TW200746660A (en) 2007-12-16
TW200629783A (en) 2006-08-16
MXPA03011879A (es) 2004-03-26
CN1518808A (zh) 2004-08-04
TW200421763A (en) 2004-10-16
CA2451242C (en) 2008-04-08
NO20035741L (no) 2004-02-23
US20030031162A1 (en) 2003-02-13
NO20035741D0 (no) 2003-12-19
US6894995B2 (en) 2005-05-17
EP1407566A4 (de) 2004-09-22
TWI276316B (en) 2007-03-11
BR0211031A (pt) 2004-06-22
EP1407566A1 (de) 2004-04-14
KR20050098007A (ko) 2005-10-10

Similar Documents

Publication Publication Date Title
DE60220409D1 (de) Vorrichtung und verfahren zur durchführung der anfangszellensuche in einem drahtlosen kommunikationssystemen
DE60106460D1 (de) Verfahren und gerät zur zellsuche in einem tdma-cdma kommunikationssystem
EP1555847A3 (de) Vorrichtung und Verfahren zur Identifizierung der Grenze einer Nachbarzelle in einem Mobilfunksystem
DE60223028D1 (de) Verfahren und vorrichtung zur zeitabgleichung von mehreren basisstationen in einem cdma kommunikationssystem
PL357207A1 (en) Channel communication apparatus and method in cdma communication system
DE50111215D1 (de) Verfahren und basisstation zur signalübertragung in einem funk-kommunikationssystem
EP1187369A3 (de) Gerät und Verfahren zur Suche einer Basisstation in einem asynchronen mobilen Kommunikationssystem
HK1056471A1 (en) Improved soft handoff algorithm and wireless communication system for third generation cdma systems.
ATE397836T1 (de) Verfahren und vorrichtung zur ausführung von wiedererfassung im leerlaufmode und weiterreichen in einem asynchronen kommunikationssystem
DE60324004D1 (de) Mobile endgeräte und verfahren zur durchführung schneller anfänglicher frequenz-scans und zellen - suchen
SG124237A1 (en) Spreading code synchronization method, receiver, and mobile station
ATE380415T1 (de) Verfahren und vorrichtung zur kommunikation
ATE396555T1 (de) Verfahren und einrichtung für sanftes weiterreichen in einem cdma schnurlosen übertragungssystem
DE60125793D1 (de) Verfahren zum durchführen einer kandidatfrequenzsuche in einem drahtlosen kommunikationssystem
MXPA05008320A (es) Busqueda inicial de celda en sistemas de comunicacion inalambricos.
DE60108534D1 (de) Synchronisation von mobilen geräten in einem zeitmultiplex duplex (tdd) cdma system
WO2001054287A3 (de) Verfahren und vorrichtung zur ermittlung der trägerfrequenz von basisstationen im mobilen empfänger eines mit w-cdma arbeitenden zellularen mobilfunksystems
TW200704217A (en) Method, system, apparatus, and software product implementing downlink code management for fractional dedicated physical channel in timing conflict situations
FI20012199A0 (fi) Menetelmä signaalin tahdistumisen suorittamiseksi langattomassa päätelaitteessa ja langaton päätelaite
EP1176738A3 (de) Zellulare CDMA Kommunikationsanordnung, CDMA Basisstationsgerät und Verfahren zur Feststellung einer Ausserreichsweite
EP1826933A3 (de) Vorrichtung und Verfahren zum Ausführen einer Anfangszellensuche in einem drahtlosen Kommunikationssystem
DE60045265D1 (de) Anordnung und Verfahren zur drahtlosen Kommunikation
DE60125802D1 (de) Mobiles endgerät und verfahren zu dessen ortung
DK1189468T3 (da) Metode til modellering af en naboliste til en mobil enhed i et CDMA cellulært telefonsystem
ATE299315T1 (de) Verfahren zum synchronisieren der frequenz beim drahtlosen fernsprechen sowie anordnung zur durchführung des verfahrens

Legal Events

Date Code Title Description
8364 No opposition during term of opposition