WO2011013926A3 - 직교주파수 분할 다중 기반에서 채널상태정보를 적용한 수신신호 처리방법 - Google Patents

직교주파수 분할 다중 기반에서 채널상태정보를 적용한 수신신호 처리방법 Download PDF

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Publication number
WO2011013926A3
WO2011013926A3 PCT/KR2010/004629 KR2010004629W WO2011013926A3 WO 2011013926 A3 WO2011013926 A3 WO 2011013926A3 KR 2010004629 W KR2010004629 W KR 2010004629W WO 2011013926 A3 WO2011013926 A3 WO 2011013926A3
Authority
WO
WIPO (PCT)
Prior art keywords
channel state
state information
received signal
division multiplexing
orthogonal frequency
Prior art date
Application number
PCT/KR2010/004629
Other languages
English (en)
French (fr)
Other versions
WO2011013926A2 (ko
Inventor
서홍석
Original Assignee
Seo Hong Seok
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 Seo Hong Seok filed Critical Seo Hong Seok
Priority to CN201080032673.5A priority Critical patent/CN102474490B/zh
Priority to JP2012522747A priority patent/JP2013501395A/ja
Priority to EP10804639A priority patent/EP2461532A2/en
Publication of WO2011013926A2 publication Critical patent/WO2011013926A2/ko
Publication of WO2011013926A3 publication Critical patent/WO2011013926A3/ko

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Classifications

    • 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
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • 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
    • H04L1/0047—Decoding adapted to other signal detection operation
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H04L25/03292—Arrangements for operating in conjunction with other apparatus with channel estimation circuitry
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03312—Arrangements specific to the provision of output signals
    • H04L25/03318—Provision of soft decisions
    • 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
    • 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)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

본 발명은 OFDM 기반에서의 채널상태정보를 적용한 수신신호 처리방법에 관한 것으로, 채널상태정보를 연판정된 신호에 적용함으로 인해 추가적인 메모리의 사용 또는 클럭(Clock) 속도의 상승 등이 없어도, 종래의 복호기에서 적용하는 방식보다 성능을 더 향상시킬 수 있도록 하며, 이미 추정된 채널상태정보를 복호기에 적용함에 있어 연판정된 수신신호에 맞는 적절한 보정이 가능하여 보다 향상된 성능 또는 더 나아가 채널상태의 변화에 따른 능동적인 적용이 가능하도록 한다.
PCT/KR2010/004629 2009-07-31 2010-07-16 직교주파수 분할 다중 기반에서 채널상태정보를 적용한 수신신호 처리방법 WO2011013926A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201080032673.5A CN102474490B (zh) 2009-07-31 2010-07-16 在正交频分复用系统中应用信道状态信息的接收信号处理方法
JP2012522747A JP2013501395A (ja) 2009-07-31 2010-07-16 直交周波数分割多重方式によるチャネル状態情報を適用して受信信号を処理する受信信号処理方法
EP10804639A EP2461532A2 (en) 2009-07-31 2010-07-16 Method for processing a received signal to which channel state information is applied in an orthogonal frequency-division multiplexing system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23067009P 2009-07-31 2009-07-31
US61/230,670 2009-07-31

Publications (2)

Publication Number Publication Date
WO2011013926A2 WO2011013926A2 (ko) 2011-02-03
WO2011013926A3 true WO2011013926A3 (ko) 2011-06-16

Family

ID=43526983

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/004629 WO2011013926A2 (ko) 2009-07-31 2010-07-16 직교주파수 분할 다중 기반에서 채널상태정보를 적용한 수신신호 처리방법

Country Status (6)

Country Link
US (1) US8422597B2 (ko)
EP (1) EP2461532A2 (ko)
JP (1) JP2013501395A (ko)
KR (1) KR101088042B1 (ko)
CN (1) CN102474490B (ko)
WO (1) WO2011013926A2 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2575118B (en) 2018-06-29 2020-06-17 Imagination Tech Ltd Dynamic scaling of channel state information

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040218519A1 (en) * 2003-05-01 2004-11-04 Rong-Liang Chiou Apparatus and method for estimation of channel state information in OFDM receivers
US20050254461A1 (en) * 2004-05-12 2005-11-17 Samsung Electronics Co., Ltd. Apparatus and method for data transmission/reception using channel state information in wireless communication system
US20080212657A1 (en) * 2001-12-03 2008-09-04 Qualcomm Incorporated Iterative detection and decoding for a mimo-ofdm system

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US5313495A (en) 1992-05-12 1994-05-17 Hughes Aircraft Company Demodulator for symbols transmitted over a cellular channel
JP4774160B2 (ja) * 2000-07-13 2011-09-14 パナソニック株式会社 Ｏｆｄｍ受信装置
JP4188079B2 (ja) * 2000-07-24 2008-11-26 三菱電機株式会社 無線通信用受信装置および受信方法
US7912155B2 (en) * 2000-12-28 2011-03-22 Conexant Systems, Inc. Demodulator circuit
JP2002271211A (ja) * 2001-03-12 2002-09-20 Hitachi Ltd 復号装置
JP3712371B2 (ja) * 2001-10-23 2005-11-02 三菱電機株式会社 復調復号装置、受信装置および復調復号方法
US7359311B1 (en) * 2003-04-18 2008-04-15 Cisco Technology, Inc. Decoding method and apparatus using channel state information for use in a wireless network receiver
JP3876437B2 (ja) * 2003-06-06 2007-01-31 学校法人慶應義塾 マルチキャリア受信装置
JP4628150B2 (ja) * 2004-03-29 2011-02-09 パナソニック株式会社 通信装置及び通信方法
JP2006067070A (ja) 2004-08-25 2006-03-09 Fujitsu Ltd Ｍｉｍｏシステム受信方法及びその装置
WO2007040018A1 (ja) * 2005-10-05 2007-04-12 Mitsubishi Electric Corporation 受信装置
KR100856212B1 (ko) * 2005-11-11 2008-09-03 삼성전자주식회사 무선통신 시스템에서 채널 복호기로 입력되는 메트릭의정규화 방법 및 장치
JP4539539B2 (ja) * 2005-11-18 2010-09-08 株式会社デンソー 軟判定値補正方法，受信装置，プログラム
JP2007228029A (ja) 2006-02-21 2007-09-06 Fujitsu Ltd 無線通信システム及び受信装置
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Publication number Priority date Publication date Assignee Title
US20080212657A1 (en) * 2001-12-03 2008-09-04 Qualcomm Incorporated Iterative detection and decoding for a mimo-ofdm system
US20040218519A1 (en) * 2003-05-01 2004-11-04 Rong-Liang Chiou Apparatus and method for estimation of channel state information in OFDM receivers
US20050254461A1 (en) * 2004-05-12 2005-11-17 Samsung Electronics Co., Ltd. Apparatus and method for data transmission/reception using channel state information in wireless communication system

Also Published As

Publication number Publication date
EP2461532A2 (en) 2012-06-06
KR101088042B1 (ko) 2011-11-30
CN102474490A (zh) 2012-05-23
WO2011013926A2 (ko) 2011-02-03
KR20110013233A (ko) 2011-02-09
US20110026644A1 (en) 2011-02-03
US8422597B2 (en) 2013-04-16
JP2013501395A (ja) 2013-01-10
CN102474490B (zh) 2014-12-03

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