HK1107200A1 - Method of symbol timing synchronization in communication systems - Google Patents

Method of symbol timing synchronization in communication systems

Info

Publication number
HK1107200A1
HK1107200A1 HK07109110.9A HK07109110A HK1107200A1 HK 1107200 A1 HK1107200 A1 HK 1107200A1 HK 07109110 A HK07109110 A HK 07109110A HK 1107200 A1 HK1107200 A1 HK 1107200A1
Authority
HK
Hong Kong
Prior art keywords
symbol timing
transmitter
timing
receiver
wireless terminal
Prior art date
Application number
HK07109110.9A
Other languages
English (en)
Inventor
Rajiv Laroia
Junyi Li
Vladimir Parizhsky
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23050067&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1107200(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of HK1107200A1 publication Critical patent/HK1107200A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/208—Frequency-division multiple access [FDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0334—Processing of samples having at least three levels, e.g. soft decisions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
HK07109110.9A 2001-03-09 2007-08-21 Method of symbol timing synchronization in communication systems HK1107200A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27489701P 2001-03-09 2001-03-09

Publications (1)

Publication Number Publication Date
HK1107200A1 true HK1107200A1 (en) 2008-03-28

Family

ID=23050067

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07109110.9A HK1107200A1 (en) 2001-03-09 2007-08-21 Method of symbol timing synchronization in communication systems

Country Status (12)

Country Link
US (2) US7751448B2 (ko)
EP (2) EP1366591B2 (ko)
JP (1) JP4202144B2 (ko)
KR (1) KR100866781B1 (ko)
CN (1) CN100409608C (ko)
AT (2) ATE345618T1 (ko)
AU (1) AU2002240566A1 (ko)
DE (2) DE60216055T3 (ko)
ES (2) ES2275841T5 (ko)
HK (1) HK1107200A1 (ko)
TW (1) TW577202B (ko)
WO (1) WO2002073870A2 (ko)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT1421802E (pt) * 2001-08-14 2013-04-08 Qualcomm Inc Processo e dispositivo para a conectividade de uma rede sem fios
JP2003319005A (ja) * 2002-02-20 2003-11-07 Mitsubishi Electric Corp シンボルタイミング補正回路、受信機、シンボルタイミング補正方法、及び復調処理方法
US20040194109A1 (en) * 2003-03-25 2004-09-30 Tibor Boros Multi-threaded time processing unit for telecommunication systems
US7941173B2 (en) * 2003-10-17 2011-05-10 Qualcomm Incorporated Beacon signals facilitating signal detection and timing synchronization
CN1753395A (zh) * 2004-09-24 2006-03-29 松下电器产业株式会社 多天线无线通信系统的符号定时方法
CN1753493A (zh) * 2004-09-24 2006-03-29 松下电器产业株式会社 无线多媒体通信系统的跨层联合方法
WO2006044661A2 (en) * 2004-10-14 2006-04-27 Flarion Technologies, Inc. Improved beacon signals facilitating signal detection and timing synchronization
KR20070097496A (ko) * 2005-01-12 2007-10-04 마츠시타 덴끼 산교 가부시키가이샤 무선 통신 방법, 기지국 장치 및 이동국 장치
US20060176966A1 (en) * 2005-02-07 2006-08-10 Stewart Kenneth A Variable cyclic prefix in mixed-mode wireless communication systems
US8675631B2 (en) * 2005-03-10 2014-03-18 Qualcomm Incorporated Method and system for achieving faster device operation by logical separation of control information
US8428001B2 (en) * 2005-03-10 2013-04-23 Qualcomm Incorporated Timing corrections in a multi carrier system and propagation to a channel estimation time filter
CN1838653A (zh) 2005-03-24 2006-09-27 松下电器产业株式会社 低功耗通信装置、低功耗多天线通信系统及其操作方法
US8031583B2 (en) 2005-03-30 2011-10-04 Motorola Mobility, Inc. Method and apparatus for reducing round trip latency and overhead within a communication system
US7564775B2 (en) 2005-04-29 2009-07-21 Qualcomm, Incorporated Timing control in orthogonal frequency division multiplex systems based on effective signal-to-noise ratio
TWI288543B (en) 2005-07-15 2007-10-11 Faraday Tech Corp Packet detection system, packet detection device and method for receiving packets
US8981996B2 (en) * 2005-09-27 2015-03-17 Qualcomm Incorporated Position location using transmitters with timing offset and phase adjustment
KR20080070042A (ko) * 2005-10-27 2008-07-29 퀄컴 인코포레이티드 무선 통신 시스템에서 넌-스틱키 할당을 프로세싱하는 방법및 장치
US7623607B2 (en) 2005-10-31 2009-11-24 Qualcomm Incorporated Methods and apparatus for determining timing in a wireless communication system
CN1968239A (zh) 2005-11-17 2007-05-23 松下电器产业株式会社 用于多小区正交频分多址系统的载波分配方法
US8948329B2 (en) 2005-12-15 2015-02-03 Qualcomm Incorporated Apparatus and methods for timing recovery in a wireless transceiver
KR100929087B1 (ko) 2006-02-09 2009-11-30 삼성전자주식회사 이동통신 시스템에서 핸드오버시 업링크 타이밍싱크 프로시져 수행 방법 및 장치
KR100886535B1 (ko) 2006-06-22 2009-03-02 삼성전자주식회사 이동통신 시스템에서의 업링크 타이밍 동기 유지방법 및이를 위한 단말 장치
CN101060512B (zh) * 2006-06-30 2010-12-08 华为技术有限公司 一种ofdm传输符号同步的方法及其系统
US8064401B2 (en) * 2006-07-14 2011-11-22 Qualcomm Incorporated Expedited handoff
US8400998B2 (en) 2006-08-23 2013-03-19 Motorola Mobility Llc Downlink control channel signaling in wireless communication systems
US8259688B2 (en) * 2006-09-01 2012-09-04 Wi-Lan Inc. Pre-allocated random access identifiers
EP2073415A4 (en) * 2006-09-28 2011-02-09 Kyocera Corp COMMUNICATION CONTROL METHOD FOR TDD / OFDMA COMMUNICATION FORMAT, BASE STATION, TERMINAL AND COMMUNICATION CONTROL SYSTEM
EP1919103B8 (en) * 2006-11-02 2016-11-30 Google Technology Holdings LLC Method and apparatus for automatic frequency correction in a multimode device
US8031586B2 (en) 2007-08-15 2011-10-04 Nokia Corporation Method and apparatus for transmitter timing adjustment
US20090097452A1 (en) * 2007-10-12 2009-04-16 Qualcomm Incorporated Femto cell synchronization and pilot search methodology
WO2009048307A2 (en) * 2007-10-12 2009-04-16 Electronics And Telecommunications Research Institute Mobile rfid reader and rfid communication method using shared system clock
JP5031600B2 (ja) * 2008-01-28 2012-09-19 京セラ株式会社 無線通信方法、無線通信システム、基地局、移動局
JP5031632B2 (ja) * 2008-03-26 2012-09-19 京セラ株式会社 無線通信方法、無線通信システム、基地局、移動局
US8199739B2 (en) * 2008-03-29 2012-06-12 Qualcomm Incorporated Return link time adjustments in FDD OFDMA or SC-FDM systems
CN102090118B (zh) * 2008-07-07 2013-11-06 住友电气工业株式会社 基站装置
JP2010041687A (ja) 2008-08-08 2010-02-18 Fujitsu Ltd 無線通信装置および無線通信制御方法
CN102187719B (zh) * 2008-10-28 2015-03-04 艾可慕株式会社 无线通信系统、中继系统、中继装置以及同步方法
JP5577937B2 (ja) * 2010-08-19 2014-08-27 富士通株式会社 無線通信システム、中継局、受信局及び無線通信方法
US20120106751A1 (en) * 2010-08-25 2012-05-03 Qualcomm Incorporated Methods and apparatus for wireless microphone synchronization
DE102011082100A1 (de) 2011-09-02 2013-03-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Konzept zur bidirektionalen datenübertragung zwischen einer basisstation und einem knoten
US8718102B2 (en) * 2011-12-15 2014-05-06 Intel Corporation Minimalistic LTE maintenance timing advance method
CN102664698A (zh) * 2011-12-27 2012-09-12 华为技术有限公司 提供同步偏差时间的方法、设备及系统
US20130272168A1 (en) * 2012-04-13 2013-10-17 Qualcomm Incorporated Reducing transient effects when changing transmit chain power
CN103517398B (zh) * 2012-06-20 2017-04-26 华为技术有限公司 终端到终端的通信方法及终端
CN107332749B (zh) * 2017-07-05 2020-09-22 北京东土科技股份有限公司 基于工业互联网现场层宽带总线架构的同步方法及装置
US10873920B2 (en) 2017-10-09 2020-12-22 Qualcomm Incorporated Timing and frame structure in an integrated access backhaul (IAB) network
US11997632B2 (en) * 2019-04-01 2024-05-28 Telefonaktiebolaget Lm Ericsson (Publ) Methods for autonomous timing adjustment under high speed scenario
CN113960579B (zh) * 2021-12-22 2022-03-11 北京理工大学 一种基于定时同步的测距方法及装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5802044A (en) * 1996-04-26 1998-09-01 Motorola, Inc. Multicarrier reverse link timing synchronization system, device and method
US5734676A (en) * 1996-05-24 1998-03-31 International Business Machines Corporation Apparatus, method and article of manufacture for carrier frequency compensation in a FM radio receiver
EP0820171B1 (en) * 1996-07-15 2007-08-01 Alcatel Lucent Multicarrier transmitter or receiver with phase rotators
US6169751B1 (en) * 1997-03-10 2001-01-02 Matsushita Electric Industrial Co., Ltd. OFDM receiving apparatus
EP0932284A3 (en) † 1998-01-27 2002-08-14 Hitachi Denshi Kabushiki Kaisha Multicarrier transmission system, with modifiable bandwidth
US6519291B1 (en) * 1998-02-03 2003-02-11 Lucent Technologies Inc. Reduction of interference in discrete multi-tone (DMT) based communications systems
CN1124714C (zh) * 1998-02-13 2003-10-15 日本胜利株式会社 用于接收正交频分多路复用信号的方法与装置
US6151295A (en) * 1998-02-26 2000-11-21 Wavesat Telecom Inc. OFDM receiving system
US6131012A (en) * 1998-05-26 2000-10-10 Nera Wireless Broadband Access As Method and system for a micro-channel bank for providing voice, data, and multimedia services in a wireless local loop system
US6563862B1 (en) * 1998-10-21 2003-05-13 Thomson Licensing Sa Digital variable symbol rate modulation
US6470005B1 (en) * 1998-12-29 2002-10-22 Thomson Licensing Sa Transceiver prerotation based on carrier offset
US6111919A (en) * 1999-01-20 2000-08-29 Intellon Corporation Synchronization of OFDM signals
US6760300B1 (en) * 1999-02-17 2004-07-06 Imec High speed wireless OFDM transceiver modem
US6370188B1 (en) * 1999-03-31 2002-04-09 Texas Instruments Incorporated Phase and frequency offset compensation in a telecommunications receiver
US6430212B1 (en) * 1999-05-06 2002-08-06 Navcom Technology, Inc. Spread-spectrum GMSK/M-ary radio
GB2373692C (en) † 1999-08-27 2007-12-31 Mitsubishi Electric Inf Tech Ofdm frame synchronisation
WO2001024410A1 (en) * 1999-09-29 2001-04-05 Samsung Electronics Co., Ltd System and method for compensating timing error using pilot symbol in ofdm/cdma communication system
US6967936B1 (en) † 2000-02-11 2005-11-22 Lucent Technologies Inc. Uplink timing synchronization and access control for a multi-access wireless communication system
US6665541B1 (en) 2000-05-04 2003-12-16 Snaptrack, Incorporated Methods and apparatuses for using mobile GPS receivers to synchronize basestations in cellular networks

Also Published As

Publication number Publication date
US7751448B2 (en) 2010-07-06
DE60236220D1 (de) 2010-06-10
WO2002073870A3 (en) 2003-07-03
CN1504024A (zh) 2004-06-09
ATE466427T1 (de) 2010-05-15
AU2002240566A1 (en) 2002-09-24
EP1755256A1 (en) 2007-02-21
EP1755256B1 (en) 2010-04-28
EP1366591A2 (en) 2003-12-03
EP1366591B1 (en) 2006-11-15
ATE345618T1 (de) 2006-12-15
DE60216055T2 (de) 2007-06-21
US20070140395A1 (en) 2007-06-21
KR20030080253A (ko) 2003-10-11
JP4202144B2 (ja) 2008-12-24
DE60216055T3 (de) 2010-10-28
DE60216055D1 (de) 2006-12-28
US20020126706A1 (en) 2002-09-12
JP2005506720A (ja) 2005-03-03
ES2341876T3 (es) 2010-06-29
EP1366591B2 (en) 2010-04-21
WO2002073870A2 (en) 2002-09-19
US7881345B2 (en) 2011-02-01
ES2275841T3 (es) 2007-06-16
ES2275841T5 (es) 2010-07-12
CN100409608C (zh) 2008-08-06
KR100866781B1 (ko) 2008-11-04
TW577202B (en) 2004-02-21

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20140304