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 (de)
EP (2) EP1755256B1 (de)
JP (1) JP4202144B2 (de)
KR (1) KR100866781B1 (de)
CN (1) CN100409608C (de)
AT (2) ATE345618T1 (de)
AU (1) AU2002240566A1 (de)
DE (2) DE60236220D1 (de)
ES (2) ES2275841T5 (de)
HK (1) HK1107200A1 (de)
TW (1) TW577202B (de)
WO (1) WO2002073870A2 (de)

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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
US8675631B2 (en) * 2005-03-10 2014-03-18 Qualcomm Incorporated Method and system for achieving faster device operation by logical separation of control information
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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
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US8981996B2 (en) * 2005-09-27 2015-03-17 Qualcomm Incorporated Position location using transmitters with timing offset and phase adjustment
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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
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EP2073415A4 (de) * 2006-09-28 2011-02-09 Kyocera Corp Kommunikationssteuerverfahren für das tdd/ofdma- kommunikationsformat, basisstationseinrichtung, endgeräteeinrichtung und kommunikationssteuersystem
EP1919103B8 (de) * 2006-11-02 2016-11-30 Google Technology Holdings LLC Verfahren und Vorrichtung zur automatischen Frequenzkorrektur in einer Vorrichtung mit mehreren Betriebsmodi
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
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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
EP2299761A1 (de) * 2008-07-07 2011-03-23 Sumitomo Electric Industries, Ltd. Basisstationsvorrichtung
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
EP2352348B1 (de) * 2008-10-28 2016-12-14 Icom Incorporated Funkkommunikationssystem, relaissystem, verstärkervorrichtungen und synchronisationsverfahren
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
WO2020204792A1 (en) * 2019-04-01 2020-10-08 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

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Also Published As

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

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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