ATE345618T1 - Verfahren zur symboltaktsynchronisation in kommunikationssystemen - Google Patents

Verfahren zur symboltaktsynchronisation in kommunikationssystemen

Info

Publication number
ATE345618T1
ATE345618T1 AT02706481T AT02706481T ATE345618T1 AT E345618 T1 ATE345618 T1 AT E345618T1 AT 02706481 T AT02706481 T AT 02706481T AT 02706481 T AT02706481 T AT 02706481T AT E345618 T1 ATE345618 T1 AT E345618T1
Authority
AT
Austria
Prior art keywords
symbol timing
transmitter
symbol
timing
receiver
Prior art date
Application number
AT02706481T
Other languages
English (en)
Inventor
Rajiv Laroia
Junyi Li
Vladimir Parizhsky
Original Assignee
Flarion Technologies 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=ATE345618(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Flarion Technologies Inc filed Critical Flarion Technologies Inc
Application granted granted Critical
Publication of ATE345618T1 publication Critical patent/ATE345618T1/de

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, e.g. multi-user orthogonal frequency division multiple access [OFDMA]
    • 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)
AT02706481T 2001-03-09 2002-03-04 Verfahren zur symboltaktsynchronisation in kommunikationssystemen ATE345618T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE345618T1 true ATE345618T1 (de) 2006-12-15

Family

ID=23050067

Family Applications (2)

Application Number Title Priority Date Filing Date
AT06023559T ATE466427T1 (de) 2001-03-09 2002-03-04 Verfahren zur symboltaktsynchronisation in kommunikationssystemen
AT02706481T ATE345618T1 (de) 2001-03-09 2002-03-04 Verfahren zur symboltaktsynchronisation in kommunikationssystemen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT06023559T ATE466427T1 (de) 2001-03-09 2002-03-04 Verfahren zur symboltaktsynchronisation in kommunikationssystemen

Country Status (11)

Country Link
US (2) US7751448B2 (de)
EP (2) EP1366591B2 (de)
JP (1) JP4202144B2 (de)
KR (1) KR100866781B1 (de)
CN (1) CN100409608C (de)
AT (2) ATE466427T1 (de)
AU (1) AU2002240566A1 (de)
DE (2) DE60216055T3 (de)
ES (2) ES2275841T5 (de)
TW (1) TW577202B (de)
WO (1) WO2002073870A2 (de)

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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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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
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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
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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
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Also Published As

Publication number Publication date
KR100866781B1 (ko) 2008-11-04
US20070140395A1 (en) 2007-06-21
HK1107200A1 (en) 2008-03-28
JP4202144B2 (ja) 2008-12-24
US7751448B2 (en) 2010-07-06
TW577202B (en) 2004-02-21
EP1755256B1 (de) 2010-04-28
DE60236220D1 (de) 2010-06-10
EP1755256A1 (de) 2007-02-21
CN1504024A (zh) 2004-06-09
US20020126706A1 (en) 2002-09-12
WO2002073870A3 (en) 2003-07-03
EP1366591B2 (de) 2010-04-21
US7881345B2 (en) 2011-02-01
ES2275841T5 (es) 2010-07-12
CN100409608C (zh) 2008-08-06
JP2005506720A (ja) 2005-03-03
ES2275841T3 (es) 2007-06-16
DE60216055T2 (de) 2007-06-21
EP1366591B1 (de) 2006-11-15
DE60216055D1 (de) 2006-12-28
ES2341876T3 (es) 2010-06-29
ATE466427T1 (de) 2010-05-15
DE60216055T3 (de) 2010-10-28
AU2002240566A1 (en) 2002-09-24
EP1366591A2 (de) 2003-12-03
WO2002073870A2 (en) 2002-09-19
KR20030080253A (ko) 2003-10-11

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