KR20040075326A - Ｃｏｆｄ 시스템을 위한 비트 레벨 다이버시티 조합 - Google Patents

Ｃｏｆｄ 시스템을 위한 비트 레벨 다이버시티 조합 Download PDF

Info

Publication number
KR20040075326A
KR20040075326A KR10-2004-7009072A KR20047009072A KR20040075326A KR 20040075326 A KR20040075326 A KR 20040075326A KR 20047009072 A KR20047009072 A KR 20047009072A KR 20040075326 A KR20040075326 A KR 20040075326A
Authority
KR
South Korea
Prior art keywords
bits
bit
received symbol
bit metric
metric calculation
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
KR10-2004-7009072A
Other languages
English (en)
Korean (ko)
Inventor
구스모니샤
오우양수에메이
메한조셉
Original Assignee
코닌클리케 필립스 일렉트로닉스 엔.브이.
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 코닌클리케 필립스 일렉트로닉스 엔.브이. filed Critical 코닌클리케 필립스 일렉트로닉스 엔.브이.
Publication of KR20040075326A publication Critical patent/KR20040075326A/ko
Withdrawn legal-status Critical Current

Links

Classifications

    • 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)
KR10-2004-7009072A 2001-12-13 2002-11-20 Ｃｏｆｄ 시스템을 위한 비트 레벨 다이버시티 조합 Withdrawn KR20040075326A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US34150801P 2001-12-13 2001-12-13
US60/341,508 2001-12-13
US10/185,385 US7236548B2 (en) 2001-12-13 2002-06-28 Bit level diversity combining for COFDM system
US10/185,385 2002-06-28
PCT/IB2002/004882 WO2003050993A1 (en) 2001-12-13 2002-11-20 Bit level diversity combining for cofd system

Publications (1)

Publication Number Publication Date
KR20040075326A true KR20040075326A (ko) 2004-08-27

Family

ID=26881097

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2004-7009072A Withdrawn KR20040075326A (ko) 2001-12-13 2002-11-20 Ｃｏｆｄ 시스템을 위한 비트 레벨 다이버시티 조합

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100690086B1 (ko) * 2005-01-03 2007-03-08 한국전기연구원 직교 부호화 주파수 분할 다중 방식 통신 시스템에서의주파수 오프셋 추정을 위한 방법 및 반복적 수신기

Families Citing this family (7)

* 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
US7039001B2 (en) * 2002-10-29 2006-05-02 Qualcomm, Incorporated Channel estimation for OFDM communication systems
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
CN1890935A (zh) * 2003-12-03 2007-01-03 澳大利亚电信合作研究中心 Ofdm系统的信道评估
US8891349B2 (en) 2004-07-23 2014-11-18 Qualcomm Incorporated Method of optimizing portions of a frame
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)

* Cited by examiner, † Cited by third party
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
US6081566A (en) * 1994-08-02 2000-06-27 Ericsson, Inc. Method and apparatus for interference rejection with different beams, polarizations, and phase references
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
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
EP1256222B1 (en) 2000-02-07 2009-08-19 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100690086B1 (ko) * 2005-01-03 2007-03-08 한국전기연구원 직교 부호화 주파수 분할 다중 방식 통신 시스템에서의주파수 오프셋 추정을 위한 방법 및 반복적 수신기

Also Published As

Publication number Publication date
AU2002348837A1 (en) 2003-06-23
US20030112902A1 (en) 2003-06-19
US7236548B2 (en) 2007-06-26
JP2005512458A (ja) 2005-04-28
CN1602599A (zh) 2005-03-30
WO2003050993A1 (en) 2003-06-19
EP1459469A1 (en) 2004-09-22

Similar Documents

Publication Publication Date Title
US20030012315A1 (en) System and method for multistage error correction coding wirelessly transmitted information in a multiple antennae communication system
JP2010528504A (ja) 適応ＭａｘＬｏｇＭＡＰタイプ受信器構造
JP2010528503A (ja) 適応軟出力ｍアルゴリズム受信器構造
JP2008278338A (ja) Ｍｉｍｏ受信装置
EP1705822A2 (en) Method and apparatus for detecting and decoding a signal in a MIMO communication system
Öztürk et al. Generalized frequency division multiplexing with flexible index modulation numerology
US8428538B2 (en) Channel estimator
US10218548B1 (en) Wireless radio receiver that performs adaptive phase tracking
Jung et al. Design and implementation of MIMO-OFDM baseband processor for high-speed wireless LANs
KR20080013473A (ko) 신호대잡음비 추정 방법, 적응적 변조 및 코딩 방식 결정방법 및 수신기
US10218549B1 (en) Wireless radio receiver that performs adaptive phase tracking
JP5001314B2 (ja) 無線基地局装置及び変調・符号化方式選択方法
KR20040075326A (ko) Ｃｏｆｄ 시스템을 위한 비트 레벨 다이버시티 조합
JP4781278B2 (ja) レートマッチング装置、無線送信装置、無線受信装置およびレートマッチング方法
CN103907303A (zh) 无线通信装置和通信方法
US20030235252A1 (en) Method and system of biasing a timing phase estimate of data segments of a received signal
CN102263725A (zh) 移动ofdm接收机
WO2011007680A1 (ja) 無線基地局装置及び変調・符号化方式選択方法
US20100290555A1 (en) Signal emission by plural antennas
EP2555479A1 (en) Apparatus and method for estimating a channel coefficient of a data subchannel of a radio channel
KR20070122562A (ko) 최소화된 채널 예측 구간을 사용하는 채널 추정
CN103081429B (zh) 用于单频网络中的分级调制的接收器及接收方法
US7532689B2 (en) Combining coefficient estimation apparatus capable of compensating for phase noise of OFDM system and combining coefficient estimation method thereof
Zhou et al. A single antenna interference cancellation algorithm for OFDM communication systems
Molgi et al. Analysis of MIMO-OFDM using different Modulation Techniques

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PC1203 Withdrawal of no request for examination

St.27 status event code: N-1-6-B10-B12-nap-PC1203

WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid
R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R13-asn-PN2301

St.27 status event code: A-3-3-R10-R11-asn-PN2301

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

R18 Changes to party contact information recorded

Free format text: ST27 STATUS EVENT CODE: A-3-3-R10-R18-OTH-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000