NO20042347L - Kommunikasjon i et asynkront tradlost nett - Google Patents

Kommunikasjon i et asynkront tradlost nett

Info

Publication number
NO20042347L
NO20042347L NO20042347A NO20042347A NO20042347L NO 20042347 L NO20042347 L NO 20042347L NO 20042347 A NO20042347 A NO 20042347A NO 20042347 A NO20042347 A NO 20042347A NO 20042347 L NO20042347 L NO 20042347L
Authority
NO
Norway
Prior art keywords
communication
wireless network
asynchronous wireless
asynchronous
network
Prior art date
Application number
NO20042347A
Other languages
English (en)
Norwegian (no)
Inventor
Serge Willenegger
Josef Blanz
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of NO20042347L publication Critical patent/NO20042347L/no

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
    • H04B1/7075Synchronisation 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
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04B7/2628Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H04B7/2631Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for broadband transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/001Synchronization between nodes
    • H04W56/0015Synchronization between nodes one node acting as a reference for the others

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Electric Clocks (AREA)
NO20042347A 2001-11-09 2004-06-07 Kommunikasjon i et asynkront tradlost nett NO20042347L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US33747201P 2001-11-09 2001-11-09
US10/177,270 US6847630B2 (en) 2001-11-09 2002-06-21 Communications in an asynchronous cellular wireless network
PCT/US2002/035879 WO2003043229A1 (fr) 2001-11-09 2002-11-08 Communications dans un reseau sans fil asynchrone

Publications (1)

Publication Number Publication Date
NO20042347L true NO20042347L (no) 2004-08-02

Family

ID=26873104

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20042347A NO20042347L (no) 2001-11-09 2004-06-07 Kommunikasjon i et asynkront tradlost nett

Country Status (14)

Country Link
US (3) US6847630B2 (fr)
EP (3) EP1451952B1 (fr)
JP (1) JP4624671B2 (fr)
KR (2) KR100974977B1 (fr)
CN (2) CN100413228C (fr)
AR (1) AR037298A1 (fr)
BR (1) BR0213985A (fr)
CA (1) CA2466352A1 (fr)
IL (1) IL161861A0 (fr)
MX (1) MXPA04004338A (fr)
NO (1) NO20042347L (fr)
RU (1) RU2004117529A (fr)
TW (1) TWI277306B (fr)
WO (1) WO2003043229A1 (fr)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6847630B2 (en) * 2001-11-09 2005-01-25 Qualcomm, Incorporated Communications in an asynchronous cellular wireless network
CN1192531C (zh) * 2001-12-21 2005-03-09 华为技术有限公司 一种宽带码分多址系统同步的实现方法
US20030128787A1 (en) * 2002-01-10 2003-07-10 Daisuke Terasawa Method and apparatus for mitigating interference between base stations in a wideband CDMA system
US8094591B1 (en) * 2002-03-19 2012-01-10 Good Technology, Inc. Data carrier detector for a packet-switched communication network
AU2003229569A1 (en) * 2002-03-27 2003-10-08 Telefonaktiebolaget Lm Ericsson (Publ) Control of frame timing on handover
US7313127B2 (en) * 2002-04-19 2007-12-25 General Electric Company Method and apparatus for synchronizing a radio telemetry system by way of transmitted-reference, delay-hopped ultra-wideband pilot signal
KR100827140B1 (ko) * 2002-05-03 2008-05-02 삼성전자주식회사 이동 통신 단말기에서 송/수신 기준 타이밍 생성 장치 및방법
US7167507B2 (en) * 2002-07-01 2007-01-23 Lucent Technologies Inc. Equalizer and method for performing equalization in a wireless communications system
US20040081117A1 (en) * 2002-10-29 2004-04-29 Malek Charles John Method for a synchronized hand off from a cellular network to a wireless network and apparatus thereof
DE602004005986T2 (de) * 2003-06-13 2007-08-30 Siemens Ag Leistungsregelung für ein mobilfunkkommunikationssystem
US7450549B2 (en) * 2003-08-05 2008-11-11 Via Telecom Co., Ltd. Pilot signal enhancements for a wireless communication system
FR2866507B1 (fr) * 2004-02-16 2006-05-05 Wavecom Signal de radiotelephonie cellulaire permettant une synchronisation au niveau sous-trame d'un canal supplementaire a l'aide d'un canal principal, procede, mobile et station de base correspondants.
EP1566901A1 (fr) * 2004-02-18 2005-08-24 Siemens Aktiengesellschaft Procédé de synchronisation pour un système de radiocommunications
FR2868656B1 (fr) * 2004-04-06 2006-06-02 Wavecom Sa Signal de radiotelephonie cellulaire permettant une synchronisation au niveau d'une entite d'un canal supplementaire par numerotation des symboles, procede, terminal et station de base correspondants
US7733831B2 (en) * 2004-08-23 2010-06-08 Alcatel-Lucent Usa Inc. Detecting a wireless network air interface
WO2006080904A1 (fr) 2005-01-14 2006-08-03 Thomson Licensing Procede et systeme pour la resolution de sous-elements pour la recherche de cellules secondaires
CN101103547A (zh) * 2005-01-14 2008-01-09 汤姆森特许公司 使用执行扰码确定的瑞克搜索器的小区搜索
US7272126B2 (en) * 2005-04-07 2007-09-18 Pctel, Inc. Method and apparatus for beacon discovery in a spread spectrum cellular radio communication system
US7965687B2 (en) * 2005-12-15 2011-06-21 Sasken Communications Technologies Method and system for multiple-input-multiple-output (MIMO) communication in a wireless network
KR100735497B1 (ko) * 2006-04-10 2007-07-04 삼성전기주식회사 타이밍 동기가 향상된 패킷기반 무선통신 시스템 및 그방법
EP2014116A4 (fr) * 2006-04-20 2013-10-09 Texas Instruments Inc Canal de synchronisation de liaison descendante et procédés pour systèmes cellulaires
US8031745B2 (en) * 2006-04-20 2011-10-04 Texas Instruments Incorporated Downlink synchronization channel and methods for cellular systems
EP3422627A3 (fr) * 2006-07-25 2019-02-13 Electronics and Telecommunications Research Institute Procédé de recherche de cellule, procédé d'émission de trame à liaison aval, appareil associé et structure de trame à liaison aval
ES2891124T3 (es) * 2006-08-28 2022-01-26 Sk Telecom Co Ltd Aparato para generar una señal de enlace descendente y método y aparato para la búsqueda de una célula en un sistema celular
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
CN101658009A (zh) * 2007-04-05 2010-02-24 日本电气株式会社 时间基准识别方法
US8050225B2 (en) * 2007-05-21 2011-11-01 Qualcomm Incorporated Assignment of primary and secondary synchronization code sequences to cells in a wireless communication system
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
CN101111049B (zh) * 2007-08-14 2010-07-28 华为技术有限公司 实现一个小区覆盖多区域的系统、方法和网络设备
US7912083B2 (en) * 2007-10-01 2011-03-22 Freescale Semiconductor, Inc. Techniques for reducing a cell identification falsing rate in a wireless communication system
US8472374B2 (en) * 2007-11-07 2013-06-25 Telefonaktiebolaget L M Ericsson (Publ) Distinguishing between synchronized and asynchronous mobile communications networks
US9204349B2 (en) 2009-02-10 2015-12-01 Qualcomm Incorporated Method and apparatus for facilitating a hand-in of user equipment to femto cells
WO2011043843A1 (fr) * 2009-10-08 2011-04-14 Qualcomm Incorporated Procédé et appareil adaptés pour répéter une synchronisation sur la liaison montante dans des réseaux à accès multiple par répartition en codes synchrone et par répartition dans le temps (td-scdma, ou cdma synchrone par répartition dans le temps)
US9401784B2 (en) 2009-10-21 2016-07-26 Qualcomm Incorporated Time and frequency acquisition and tracking for OFDMA wireless systems
US9642105B2 (en) 2009-11-17 2017-05-02 Qualcomm Incorporated Access terminal-assisted time and/or frequency tracking
US9392562B2 (en) 2009-11-17 2016-07-12 Qualcomm Incorporated Idle access terminal-assisted time and/or frequency tracking
US10111111B2 (en) 2009-11-19 2018-10-23 Qualcomm Incorporated Per-cell timing and/or frequency acquisition and their use on channel estimation in wireless networks
US9271248B2 (en) 2010-03-02 2016-02-23 Qualcomm Incorporated System and method for timing and frequency synchronization by a Femto access point
US9178640B2 (en) * 2010-08-20 2015-11-03 Qualcomm Incorporated Determination of network synchronization
US9756553B2 (en) 2010-09-16 2017-09-05 Qualcomm Incorporated System and method for assisted network acquisition and search updates
US8391334B1 (en) * 2010-09-27 2013-03-05 L-3 Communications Corp Communications reliability in a hub-spoke communications system
US9155057B2 (en) 2012-05-01 2015-10-06 Qualcomm Incorporated Femtocell synchronization enhancements using access probes from cooperating mobiles
US9237530B2 (en) 2012-11-09 2016-01-12 Qualcomm Incorporated Network listen with self interference cancellation
US9642106B2 (en) * 2013-03-21 2017-05-02 Spidercloud Wireless, Inc. Dynamic primary scrambling code disambiguation
EP3104556B1 (fr) * 2014-03-05 2023-07-05 Huawei Technologies Co., Ltd. Procédé et dispositif de synchronisation d'horloge, et système de communication
EP3556037B1 (fr) * 2016-12-19 2022-02-02 Telefonaktiebolaget LM Ericsson (publ) Construction de signal de référence basée sur une séquence de golay
AU2019202752B2 (en) * 2018-04-18 2023-04-27 Stroh, Parker Wilde MR Dynamic connection node based computing
CN111585679B (zh) * 2019-02-15 2021-08-03 大唐移动通信设备有限公司 一种同步网络中时间自同步的方法及设备

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE457184B (sv) 1987-04-03 1988-12-05 Ericsson Telefon Ab L M Foerfarande och utrustning foer synkronisering och oeverfoering av information i ett radiokommunikationsnaet
US5267261A (en) * 1992-03-05 1993-11-30 Qualcomm Incorporated Mobile station assisted soft handoff in a CDMA cellular communications system
FR2695776B1 (fr) * 1992-09-15 1994-10-14 Alcatel Radiotelephone Procédé de transmission d'une information d'avance temporelle à un mobile évoluant dans des cellules d'un réseau GSM à BTS asynchrones.
US6430216B1 (en) * 1997-08-22 2002-08-06 Data Fusion Corporation Rake receiver for spread spectrum signal demodulation
JP2993463B2 (ja) * 1997-05-08 1999-12-20 日本電気株式会社 同期回路制御装置
KR100289843B1 (ko) * 1998-02-05 2001-05-15 이계철 비동기식 셀룰러 코드분할다중접속시스템의 기지국 획득방법
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
US6266529B1 (en) * 1998-05-13 2001-07-24 Nortel Networks Limited Method for CDMA handoff in the vicinity of highly sectorized cells
US6504830B1 (en) * 1998-06-15 2003-01-07 Telefonaktiebolaget Lm Ericsson Publ Method, apparatus, and system for fast base synchronization and sector identification
US6298073B1 (en) * 1998-06-26 2001-10-02 Lefever Ronald Stanton Method using elastic buffering for equalizing transmission delays in a non-earth-synchronous multiple satellite data transmission system
GB9819482D0 (en) 1998-09-07 1998-10-28 Nokia Telecommunications Oy Communication system
EP1155589A1 (fr) * 1999-02-26 2001-11-21 QUALCOMM Incorporated Procede et systeme de transfert entre une station de base amcr asynchrone et une station de base amcr synchrone
US7218630B1 (en) * 1999-04-30 2007-05-15 Lucent Technologies Inc. Data session setup system for wireless network
EP1104977A4 (fr) * 1999-06-15 2005-12-21 Ntt Docomo Inc Procede de mise a jour des informations d'une station de base peripherique, procede de commande d'informations pour recherche cellulaire dans systeme de communications mobile, procede de recherche cellulaire dans une station mobile, systeme de communications mobile, station de base et station de com
EP1273111B9 (fr) * 2000-04-07 2007-06-27 Interdigital Technology Corporation Synchronisation de station de base pour systemes de communication sans fil
US6681099B1 (en) * 2000-05-15 2004-01-20 Nokia Networks Oy Method to calculate true round trip propagation delay and user equipment location in WCDMA/UTRAN
US6813257B1 (en) * 2000-06-26 2004-11-02 Motorola, Inc. Apparatus and methods for controlling short code timing offsets in a CDMA system
WO2002025839A1 (fr) * 2000-09-15 2002-03-28 Koninklijke Philips Electronics N.V. Station secondaire et procede d'operation d'une telle station
US6697629B1 (en) * 2000-10-11 2004-02-24 Qualcomm, Incorporated Method and apparatus for measuring timing of signals received from multiple base stations in a CDMA communication system
KR100372884B1 (ko) * 2000-12-19 2003-02-19 한국전자통신연구원 다중전송속도를 갖는 코드분할다중접속시스템의 감산형간섭제거장치 및 방법
US6657988B2 (en) * 2001-01-12 2003-12-02 Nokia Mobile Phones Ltd. Method and apparatus for timing adjustment for uplink synchronous transmission in wide code division multiple access
US7209463B2 (en) * 2001-06-30 2007-04-24 Samsung Electronics Co., Ltd. Transmission time adjusting apparatus and method between RNC and UE in a CDMA communication system
US6847630B2 (en) * 2001-11-09 2005-01-25 Qualcomm, Incorporated Communications in an asynchronous cellular wireless network
AU2003229569A1 (en) * 2002-03-27 2003-10-08 Telefonaktiebolaget Lm Ericsson (Publ) Control of frame timing on handover
KR100984656B1 (ko) * 2002-04-11 2010-10-01 퀄컴 인코포레이티드 무선 인터페이스 동기
US6822969B2 (en) * 2003-04-03 2004-11-23 Motorola, Inc. Method and apparatus for scheduling asynchronous transmissions

Also Published As

Publication number Publication date
CN1613208A (zh) 2005-05-04
US6847630B2 (en) 2005-01-25
MXPA04004338A (es) 2004-08-12
JP4624671B2 (ja) 2011-02-02
CN101330322B (zh) 2014-04-30
EP1451952B1 (fr) 2014-04-16
WO2003043229A1 (fr) 2003-05-22
US7352737B2 (en) 2008-04-01
EP1451952A1 (fr) 2004-09-01
US20050053049A1 (en) 2005-03-10
EP2485545B1 (fr) 2019-06-26
KR20100044913A (ko) 2010-04-30
EP2312768B1 (fr) 2017-05-17
AR037298A1 (es) 2004-11-03
CN101330322A (zh) 2008-12-24
BR0213985A (pt) 2004-12-14
IL161861A0 (en) 2005-11-20
KR20050056931A (ko) 2005-06-16
CA2466352A1 (fr) 2003-05-22
RU2004117529A (ru) 2005-03-27
EP2312768A2 (fr) 2011-04-20
JP2005510123A (ja) 2005-04-14
TWI277306B (en) 2007-03-21
KR101096892B1 (ko) 2011-12-22
EP2485545A3 (fr) 2013-04-03
EP2312768A3 (fr) 2013-04-03
TW200300311A (en) 2003-05-16
CN100413228C (zh) 2008-08-20
US8711805B2 (en) 2014-04-29
US20030091022A1 (en) 2003-05-15
US20100265920A1 (en) 2010-10-21
KR100974977B1 (ko) 2010-08-09
EP2485545A2 (fr) 2012-08-08

Similar Documents

Publication Publication Date Title
NO20042347L (no) Kommunikasjon i et asynkront tradlost nett
DE60116907D1 (de) Kommunikationsendgerät
FI20010080A0 (fi) Autentikointi tietoliikenteessä
DE60111131D1 (de) Drahtloses Kommunikationsgerät
DE60224970D1 (de) Basisstationsvorrichtung und kommunikationsendgerät
DE60236321D1 (de) Kollabierbare kommunikationsendgerätevorrichtung
DE60123741D1 (de) Mobile Kommunikationseinrichtung
DE50115364D1 (de) Kommunikationsendgerät
DE60206061D1 (de) Kanalidentifizierung in kommunikationsnetzwerken
GB0112205D0 (en) Charging in communication networks
GB0112202D0 (en) Charging in communication networks
DE60116160D1 (de) Kommunikationsendgerät
DE60133175D1 (de) Kommunikationsnetz
FI20010597A0 (fi) Menetelmä kyselyn suorittamiseksi televerkossa
DE60143512D1 (de) Kommunikationsnetz
DE60124122D1 (de) Kommunikationsnetzentwurf
DE60107908D1 (de) Drahtloses Kommunikationsgerät
DE60113609T2 (de) Drahtloses Kommunikationsgerät
FI20000759A0 (fi) Tietoliikenneverkko
FI20011762A (fi) Tiedonsiirtomenetelmä, järjestely ja tukiasema
DE60137027D1 (de) Kommunikationsnetzwerk
DE60132714D1 (de) Kommunikationsnetzwerk
FI20012229A0 (fi) Kiinnitysjärjestely matkaviestimessä
DE60133612D1 (de) Kommunikationsendgerät
DE60208243D1 (de) Kommunikationsendgerät

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application