JP2005512458A - Ｃｏｆｄシステムのためのビットレベルのダイバーシチ合成 - Google Patents

Ｃｏｆｄシステムのためのビットレベルのダイバーシチ合成 Download PDF

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Publication number
JP2005512458A
JP2005512458A JP2003551939A JP2003551939A JP2005512458A JP 2005512458 A JP2005512458 A JP 2005512458A JP 2003551939 A JP2003551939 A JP 2003551939A JP 2003551939 A JP2003551939 A JP 2003551939A JP 2005512458 A JP2005512458 A JP 2005512458A
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JP
Japan
Prior art keywords
bit
symbol
bit metric
received symbol
metric calculation
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Ceased
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JP2003551939A
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English (en)
Japanese (ja)
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JP2005512458A5 (enExample
Inventor
モニシャ ゴシ
クスウエメイ オウヤン
ヨセフ メーハン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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.)
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Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JP2005512458A publication Critical patent/JP2005512458A/ja
Publication of JP2005512458A5 publication Critical patent/JP2005512458A5/ja
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/06—Receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0882—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity
    • H04B7/0885—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity with combination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Radio Transmission System (AREA)
JP2003551939A 2001-12-13 2002-11-20 Ｃｏｆｄシステムのためのビットレベルのダイバーシチ合成 Ceased JP2005512458A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US34150801P 2001-12-13 2001-12-13
US10/185,385 US7236548B2 (en) 2001-12-13 2002-06-28 Bit level diversity combining for COFDM system
PCT/IB2002/004882 WO2003050993A1 (en) 2001-12-13 2002-11-20 Bit level diversity combining for cofd system

Publications (2)

Publication Number Publication Date
JP2005512458A true JP2005512458A (ja) 2005-04-28
JP2005512458A5 JP2005512458A5 (enExample) 2006-01-12

Family

ID=26881097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003551939A Ceased JP2005512458A (ja) 2001-12-13 2002-11-20 Ｃｏｆｄシステムのためのビットレベルのダイバーシチ合成

Country Status (7)

Country Link
US (1) US7236548B2 (enExample)
EP (1) EP1459469A1 (enExample)
JP (1) JP2005512458A (enExample)
KR (1) KR20040075326A (enExample)
CN (1) CN1602599A (enExample)
AU (1) AU2002348837A1 (enExample)
WO (1) WO2003050993A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010213321A (ja) * 2002-10-29 2010-09-24 Qualcomm Inc Ｏｆｄｍ通信システムのためのチャネル推定
US9871617B2 (en) 2004-07-23 2018-01-16 Qualcomm Incorporated Method of optimizing portions of a frame

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7170961B2 (en) * 2002-01-08 2007-01-30 Patrick Vandenameele-Lepla Method and apparatus for frequency-domain tracking of residual frequency and channel estimation offsets
US7421046B2 (en) * 2002-12-31 2008-09-02 Vixs Systems Inc. Method and apparatus for signal decoding in a diversity reception system with maximum ratio combining
US20070110172A1 (en) * 2003-12-03 2007-05-17 Australian Telecommunications Cooperative Research Channel estimation for ofdm systems
KR100690086B1 (ko) * 2005-01-03 2007-03-08 한국전기연구원 직교 부호화 주파수 분할 다중 방식 통신 시스템에서의주파수 오프셋 추정을 위한 방법 및 반복적 수신기
US9113364B2 (en) * 2012-08-09 2015-08-18 Microsoft Technology Licensing, Llc Extended access point
FR3009909A1 (fr) * 2013-08-23 2015-02-27 Bluwan Procede de traitement au niveau paquet des perturbations induites par la transmission

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
EP0449327B1 (en) 1990-03-30 1998-07-15 Nec Corporation Noise-immune space diversity receiver
GB2244190A (en) 1990-05-17 1991-11-20 Orbitel Mobile Communications Receiver systems with equalisers
US5265122A (en) * 1992-03-19 1993-11-23 Motorola, Inc. Method and apparatus for estimating signal weighting parameters in a diversity receiver
SE513657C2 (sv) * 1993-06-24 2000-10-16 Ericsson Telefon Ab L M Sätt och anordning att vid digital signalöverföring estimera överförda symboler hos en mottagare
US6173014B1 (en) * 1994-08-02 2001-01-09 Telefonaktiebolaget Lm Ericsson Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radio communications system
US6081566A (en) * 1994-08-02 2000-06-27 Ericsson, Inc. Method and apparatus for interference rejection with different beams, polarizations, and phase references
JP2689926B2 (ja) * 1994-12-05 1997-12-10 日本電気株式会社 ダイバーシティ受信機
US6192038B1 (en) * 1995-10-18 2001-02-20 Mdiversity Inc. Method and apparatus for wireless communication employing aggregation for digital signals
JP3180761B2 (ja) * 1997-07-23 2001-06-25 三菱電機株式会社 系列推定方法及び系列推定装置
US6130909A (en) * 1998-01-16 2000-10-10 Transamerica Business Credit Corporation Method and apparatus for equalization in a diversity receiver
EP0945989A1 (en) 1998-03-12 1999-09-29 Hitachi Micro Systems Europe Limited Viterbi decoding
US6498784B1 (en) * 1998-10-20 2002-12-24 Interdigital Technology Corporation Cancellation of pilot and traffic signals
GB9908675D0 (en) 1999-04-15 1999-06-09 British Broadcasting Corp Diversity reception method and diversity receivers
US6515978B1 (en) * 1999-04-19 2003-02-04 Lucent Technologies Inc. Methods and apparatus for downlink diversity in CDMA using Walsh codes
FR2794914B1 (fr) 1999-06-08 2002-03-01 Sagem Systeme parametrable a entrelacement temporel et frequentiel pour la transmission de donnees numeriques entre stations fixes ou mobiles
GB2355164B (en) 1999-10-07 2004-06-09 Oak Technology Inc Demodulator circuit
WO2001058105A1 (en) 2000-02-07 2001-08-09 At & T Corp. System and method for near optimal joint channel estimation and data detection for cofdm systems
US6763074B1 (en) * 2000-11-08 2004-07-13 Skyworks Solutions, Inc. Adaptive configurable demodulation system with multiple operating modes
US8158160B2 (en) * 2001-11-13 2012-04-17 Eric Hauser Kuhrts Anti-inflammatory cyclooxygenase inhibitors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010213321A (ja) * 2002-10-29 2010-09-24 Qualcomm Inc Ｏｆｄｍ通信システムのためのチャネル推定
US9871617B2 (en) 2004-07-23 2018-01-16 Qualcomm Incorporated Method of optimizing portions of a frame

Also Published As

Publication number Publication date
KR20040075326A (ko) 2004-08-27
CN1602599A (zh) 2005-03-30
WO2003050993A1 (en) 2003-06-19
AU2002348837A1 (en) 2003-06-23
US7236548B2 (en) 2007-06-26
US20030112902A1 (en) 2003-06-19
EP1459469A1 (en) 2004-09-22

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