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DK1307979T3 - Cellesögningsfremgangsmåde og apparat i et TDMA-CDMA kommunikationssystem - Google Patents

Cellesögningsfremgangsmåde og apparat i et TDMA-CDMA kommunikationssystem

Info

Publication number
DK1307979T3
DK1307979T3 DK01957412T DK01957412T DK1307979T3 DK 1307979 T3 DK1307979 T3 DK 1307979T3 DK 01957412 T DK01957412 T DK 01957412T DK 01957412 T DK01957412 T DK 01957412T DK 1307979 T3 DK1307979 T3 DK 1307979T3
Authority
DK
Denmark
Prior art keywords
psc
power level
pscs
base station
code
Prior art date
Application number
DK01957412T
Other languages
English (en)
Inventor
Stephen G Dick
Eldad Ziera
Original Assignee
Interdigital Tech 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 Tech Corp filed Critical Interdigital Tech Corp
Application granted granted Critical
Publication of DK1307979T3 publication Critical patent/DK1307979T3/da

Links

Classifications

    • 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
    • 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
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • 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
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • H04B1/70755Setting of lock conditions, e.g. threshold
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70702Intercell-related aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DK01957412T 2000-08-04 2001-08-03 Cellesögningsfremgangsmåde og apparat i et TDMA-CDMA kommunikationssystem DK1307979T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22340500P 2000-08-04 2000-08-04
US23012300P 2000-09-05 2000-09-05
PCT/US2001/024336 WO2002013548A2 (en) 2000-08-04 2001-08-03 Cell search method and apparatus in atdma-cdma communication system

Publications (1)

Publication Number Publication Date
DK1307979T3 true DK1307979T3 (da) 2004-11-22

Family

ID=26917729

Family Applications (1)

Application Number Title Priority Date Filing Date
DK01957412T DK1307979T3 (da) 2000-08-04 2001-08-03 Cellesögningsfremgangsmåde og apparat i et TDMA-CDMA kommunikationssystem

Country Status (12)

Country Link
US (1) US7158505B2 (da)
EP (2) EP1463216A3 (da)
JP (1) JP2004525531A (da)
CN (1) CN1249935C (da)
AT (1) ATE279819T1 (da)
AU (1) AU2001279160A1 (da)
DE (1) DE60106460T2 (da)
DK (1) DK1307979T3 (da)
ES (1) ES2225584T3 (da)
NO (1) NO20030532L (da)
TW (1) TW532041B (da)
WO (1) WO2002013548A2 (da)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7817596B2 (en) * 2001-09-06 2010-10-19 Qualcomm Incorporated Verification methods and apparatus for improving acquisition searches of asynchronous cells
EP1436916B1 (en) * 2001-10-16 2005-01-19 Telefonaktiebolaget Lm Ericsson Synchronisation of mobile equipment in time division duplex cdma system
KR100421585B1 (ko) * 2001-10-25 2004-03-09 한국전자통신연구원 시간분할 듀플렉스 시스템에서 이동국의 셀 탐색 시스템및 그 방법
US7356098B2 (en) * 2001-11-14 2008-04-08 Ipwireless, Inc. Method, communication system and communication unit for synchronisation for multi-rate communication
US20030177047A1 (en) * 2002-02-04 2003-09-18 Buckley Michael E. Method and system for decision oriented systems engineering
JP2003259413A (ja) * 2002-03-01 2003-09-12 Matsushita Electric Ind Co Ltd 基地局装置及び通信端末装置
US7406065B2 (en) * 2002-03-14 2008-07-29 Qualcomm, Incorporated Method and apparatus for reducing inter-channel interference in a wireless communication system
US7292552B2 (en) 2002-03-14 2007-11-06 Qualcomm Incorporated Method and apparatus for reducing interference in a wireless communication system
US7453863B2 (en) * 2002-04-04 2008-11-18 Lg Electronics Inc. Cell searching apparatus and method in asynchronous mobile communication system
US7110376B2 (en) * 2002-04-10 2006-09-19 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for improved cell detection
US7593367B2 (en) * 2002-06-14 2009-09-22 Qualcomm Incorporated Frequency scan for CDMA acquisition
US7227886B2 (en) * 2002-07-29 2007-06-05 Thomson Licensing Synchronization strategy and architecture for spread-spectrum receivers
CN1512794A (zh) * 2002-12-30 2004-07-14 �ʼҷ����ֵ��ӹɷ����޹�˾ 一种tdd-cdma系统中用于移动终端的小区搜索方法及装置
CA2513898A1 (en) * 2003-01-23 2004-08-05 Interdigital Technology Corporation Unsuitable cell exclusion in wireless communication systems
EP1595346A4 (en) * 2003-02-05 2006-09-13 Interdigital Tech Corp INITIAL CELL SEARCH IN WIRELESS COMMUNICATION SYSTEMS
KR100548416B1 (ko) * 2003-10-28 2006-02-02 엘지전자 주식회사 무선 프레임 동기화 방법
KR100622149B1 (ko) * 2004-11-25 2006-09-19 주식회사 팬택 비동기 방식 광대역 부호분할다중접속 시스템에서의코드그룹 획득 장치 및 방법
US7917140B2 (en) * 2004-12-06 2011-03-29 Telefonaktiebolaget L M Ericsson (Publ) Initial cell search in mobile communications systems
KR100614745B1 (ko) * 2004-12-29 2006-08-21 에스케이텔레콤 주식회사 수신 다이버시티를 이용한 비동기 방식 광역 부호분할다중접속 시스템에서의 코드 그룹 획득 방법 및 장치
US8364185B2 (en) * 2005-04-18 2013-01-29 Samsung Electronics Co., Ltd. Method and system for synchronizing a clock for an adjacent network to a clock for an overlay network
US8134996B2 (en) * 2005-07-21 2012-03-13 Texas Instruments Incorporated Downlink synchronization for a cellular OFDM communication system
US8031745B2 (en) * 2006-04-20 2011-10-04 Texas Instruments Incorporated Downlink synchronization channel and methods for cellular systems
CN106304318B (zh) * 2006-04-20 2020-02-11 苹果公司 下行链路同步化信道和蜂窝系统的方法
KR20070121583A (ko) * 2006-06-21 2007-12-27 한국전자통신연구원 신호를 전송하는 방법 및 신호를 수신하는 방법
KR100881169B1 (ko) * 2006-07-25 2009-02-02 한국전자통신연구원 순방향 링크 프레임 생성 방법 및 장치, 그리고 셀 탐색 방법 및 장치
KR20080016159A (ko) * 2006-08-17 2008-02-21 삼성전자주식회사 통신 시스템에서의 셀 탐색 방법 및 장치
US8665799B2 (en) 2006-09-14 2014-03-04 Qualcomm Incorporated Beacon assisted cell search in a wireless communication system
UA94482C2 (ru) * 2006-10-03 2011-05-10 Квелкомм Інкорпорейтед Передача синхронизации в системе беспроводной связи
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
CN101242215B (zh) * 2007-02-05 2013-02-27 中兴通讯股份有限公司 Tdd系统中的同步信道配置方法、小区搜索及接入方法
CN101682498B (zh) * 2007-05-17 2013-08-07 Lg电子株式会社 在无线通信系统中发送同步信号的方法
US8971305B2 (en) * 2007-06-05 2015-03-03 Qualcomm Incorporated Pseudo-random sequence mapping in wireless communications
KR100938756B1 (ko) 2007-07-06 2010-01-26 엘지전자 주식회사 무선통신 시스템에서 셀 탐색 과정을 수행하는 방법
RU2434329C2 (ru) * 2007-07-06 2011-11-20 Эл Джи Электроникс Инк. Способ осуществления поиска ячейки в беспроводной системе связи
FR2918828B1 (fr) * 2007-07-13 2009-09-18 Wavecom Sa Procede de detection du brouillage d'un reseau de radiocommunication, produit programme d'ordinateur, moyen de stockage et circuit correspondants
US8009701B2 (en) 2007-08-13 2011-08-30 Qualcomm Incorporated Secondary synchronization codebook for E-utran
WO2009023670A2 (en) * 2007-08-13 2009-02-19 Qualcomm Incorporated Secondary synchronization codebook for e-utran
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
ES2579778T3 (es) 2007-10-15 2016-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Dispositivo y método de comunicación
US8483620B2 (en) * 2008-02-07 2013-07-09 Qualcomm Incorporated Asynchronous interference management
US9094986B2 (en) * 2008-02-07 2015-07-28 Qualcomm, Incorporated Synchronous and asynchronous interference management
US20090203320A1 (en) * 2008-02-07 2009-08-13 Qualcomm Incorporated Asynchronous interference management based on timeslot overlap
JP4983834B2 (ja) * 2009-03-31 2012-07-25 住友電気工業株式会社 基地局装置
US8625572B2 (en) 2008-12-19 2014-01-07 Nokia Corporation Synchronization indication in networks
US8107443B2 (en) * 2009-02-10 2012-01-31 Mediatek Inc. Method of performing cell search for a wireless communications system
US8189541B2 (en) 2009-07-13 2012-05-29 Broadcom Corporation Method and system for generating timed events in a radio frame in an E-UTRA/LTE UE receiver
US20110164515A1 (en) * 2009-12-29 2011-07-07 Electronics And Telecommunications Research Institute Communication method
EP2880788A2 (en) * 2012-08-01 2015-06-10 Nokia Solutions and Networks Oy Cell-specific reference signal interference cancellation improvement
WO2014127236A1 (en) 2013-02-14 2014-08-21 Kemet Electronics Corporation One-sided capacitor foils and methods of making one-sided capacitor foils
US9642106B2 (en) 2013-03-21 2017-05-02 Spidercloud Wireless, Inc. Dynamic primary scrambling code disambiguation
GB2512127A (en) * 2013-03-21 2014-09-24 Sony Corp Communications device and method
GB2512126A (en) 2013-03-21 2014-09-24 Sony Corp Infrastructure equipment, Mobile communications network, system and method
US10555270B2 (en) * 2015-04-03 2020-02-04 Lg Electronics Inc. Method and apparatus for configuring synchronization signal in wireless communication system on basis of repeating pattern considering cell coverage
CN110139303B (zh) * 2019-04-23 2021-06-11 四川九洲电器集团有限责任公司 一种等效信号级toa测量的快速仿真方法和装置

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE470037C (sv) 1992-10-27 1995-04-10 Ericsson Telefon Ab L M Anordning vid mobila telekommunikationssystem för att möjliggöra synkronisering av basstationernas sändare
US5448570A (en) 1993-03-17 1995-09-05 Kyocera Corporation System for mutual synchronization and monitoring between base stations
WO1994028643A1 (en) 1993-05-27 1994-12-08 Nokia Telecommunications Oy Base station for a tdma cellular radio network
CA2217575C (en) 1996-03-05 2005-07-12 Ntt Mobile Communications Network Inc. Signal transmission method, transmitter, receiver, and spreading code sychronizing method in mobile communication system
US6014376A (en) 1996-09-18 2000-01-11 Motorola, Inc. Method for over-the-air synchronization adjustment in a communication system
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
JP2845228B2 (ja) 1996-12-10 1999-01-13 日本電気株式会社 隣接セル同期検出方式
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
US5991330A (en) 1997-06-27 1999-11-23 Telefonaktiebolaget L M Ericsson (Pub1) Mobile Station synchronization within a spread spectrum communication systems
US6208871B1 (en) 1998-02-27 2001-03-27 Motorola, Inc. Method and apparatus for providing a time adjustment to a wireless communication system
EP0954122A1 (de) 1998-04-28 1999-11-03 Siemens Aktiengesellschaft Verfahren zum Betreiben eines Funk-Kommunikationssystems und derartiges Funk-Kommunikationssystem
US6504830B1 (en) * 1998-06-15 2003-01-07 Telefonaktiebolaget Lm Ericsson Publ Method, apparatus, and system for fast base synchronization and sector identification
US6131030A (en) 1998-08-19 2000-10-10 Telefonaktiebolaget Lm Ericsson System network and method for the transference of cell handover information
GB9819482D0 (en) 1998-09-07 1998-10-28 Nokia Telecommunications Oy Communication system
US6223037B1 (en) 1998-10-09 2001-04-24 Nokia Mobile Phones Ltd. Cell selection during loss of service in a telecommunications system
US6205334B1 (en) 1998-11-24 2001-03-20 Ericsson Inc. Accelerated scanning of cellular channels by cellular radiotelephones
US6590881B1 (en) 1998-12-04 2003-07-08 Qualcomm, Incorporated Method and apparatus for providing wireless communication system synchronization
US6625200B1 (en) 1999-01-25 2003-09-23 Ericsson Inc. Multi-stage CDMA synchronization with parallel execution
CA2365007A1 (en) * 1999-02-26 2000-08-31 Edward G. Tiedemann, Jr. Method and system for handoff between an asynchronous cdma base station and a synchronous cdma base station
US6480558B1 (en) * 1999-03-17 2002-11-12 Ericsson Inc. Synchronization and cell search methods and apparatus for wireless communications
US6363060B1 (en) * 1999-06-30 2002-03-26 Qualcomm Incorporated Method and apparatus for fast WCDMA acquisition
US6483824B1 (en) 1999-07-29 2002-11-19 Qualcomm, Inc. Method and apparatus for acquiring service in a “border area”
ES2269908T3 (es) * 2000-05-10 2007-04-01 Mitsubishi Electric Information Technology Centre Europe B.V. Metodo para adjudicar codigos de sincronizacion secundarios a una estacion base de un sistema de telecomunicaciones moviles.
FR2811367B1 (fr) * 2000-07-04 2003-02-14 Meritor Light Vehicle Sys Ltd Leve-vitre ayant un curseur a deplacement silencieux
US6826244B2 (en) 2001-02-27 2004-11-30 Interdigital Technology Corporation Initial cell search algorithm for 3G FDD wireless communication systems

Also Published As

Publication number Publication date
US7158505B2 (en) 2007-01-02
JP2004525531A (ja) 2004-08-19
DE60106460T2 (de) 2005-10-13
EP1463216A3 (en) 2008-12-31
US20020075833A1 (en) 2002-06-20
WO2002013548A2 (en) 2002-02-14
WO2002013548A3 (en) 2002-04-11
EP1307979B1 (en) 2004-10-13
EP1307979A2 (en) 2003-05-07
ES2225584T3 (es) 2005-03-16
TW532041B (en) 2003-05-11
HK1061950A1 (en) 2004-10-08
DE60106460D1 (de) 2004-11-18
EP1463216A2 (en) 2004-09-29
AU2001279160A1 (en) 2002-02-18
NO20030532D0 (no) 2003-02-03
CN1466825A (zh) 2004-01-07
NO20030532L (no) 2003-03-20
CN1249935C (zh) 2006-04-05
ATE279819T1 (de) 2004-10-15

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