TW200608723A - OFDM reception apparatus and method - Google Patents

OFDM reception apparatus and method

Info

Publication number
TW200608723A
TW200608723A TW094114954A TW94114954A TW200608723A TW 200608723 A TW200608723 A TW 200608723A TW 094114954 A TW094114954 A TW 094114954A TW 94114954 A TW94114954 A TW 94114954A TW 200608723 A TW200608723 A TW 200608723A
Authority
TW
Taiwan
Prior art keywords
transmission line
characteristic
section
interpolations
outputs
Prior art date
Application number
TW094114954A
Other languages
English (en)
Inventor
Takaya Hayashi
Original Assignee
Matsushita Electric Ind Co Ltd
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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of TW200608723A publication Critical patent/TW200608723A/zh

Links

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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • 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
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/01—Equalisers
    • 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
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • 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
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Radio Transmission System (AREA)
TW094114954A 2004-05-07 2005-05-09 OFDM reception apparatus and method TW200608723A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004138195 2004-05-07

Publications (1)

Publication Number Publication Date
TW200608723A true TW200608723A (en) 2006-03-01

Family

ID=35320543

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094114954A TW200608723A (en) 2004-05-07 2005-05-09 OFDM reception apparatus and method

Country Status (7)

Country Link
US (1) US7519122B2 (zh)
EP (1) EP1744480A1 (zh)
JP (1) JP4728227B2 (zh)
KR (1) KR20070006662A (zh)
CN (1) CN1842982A (zh)
TW (1) TW200608723A (zh)
WO (1) WO2005109712A1 (zh)

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JP4961918B2 (ja) * 2006-09-12 2012-06-27 ソニー株式会社 Ｏｆｄｍ受信装置及びｏｆｄｍ受信方法
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JP4832261B2 (ja) * 2006-11-15 2011-12-07 富士通株式会社 チャネル推定装置
JP4916846B2 (ja) * 2006-11-20 2012-04-18 シャープ株式会社 Ｏｆｄｍ復調装置及びｏｆｄｍ復調方法
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JP4827723B2 (ja) * 2006-12-27 2011-11-30 パナソニック株式会社 Ｏｆｄｍ受信装置
WO2008129825A1 (ja) * 2007-03-27 2008-10-30 Panasonic Corporation Ｏｆｄｍ受信装置、ｏｆｄｍ受信方法、ｏｆｄｍ受信回路、集積回路、及びプログラム
TW200843381A (en) * 2007-04-20 2008-11-01 Sunplus Technology Co Ltd Real-time channel estimation system
US20100275102A1 (en) * 2007-11-27 2010-10-28 Tetsuya Yagi Signal demodulating device, signal demodulating method, semiconductor integrated circuit, and receiving apparatus
JPWO2009069305A1 (ja) * 2007-11-28 2011-04-07 パナソニック株式会社 受信装置及び受信方法
US7979032B2 (en) * 2007-12-18 2011-07-12 Intel Corporation Estimating statistical properties of noise in modulated data carrier signals
CN101521652B (zh) * 2008-02-29 2013-02-06 索尼株式会社 接收设备和接收方法
JP4600559B2 (ja) * 2008-02-29 2010-12-15 ソニー株式会社 受信装置、受信方法、およびプログラム
JP4524704B2 (ja) * 2008-03-14 2010-08-18 ソニー株式会社 復調回路、復調方法、プログラム、および受信装置
JP5042118B2 (ja) * 2008-05-20 2012-10-03 三菱電機株式会社 伝送路推定装置および方法
KR101455273B1 (ko) * 2008-07-01 2014-10-27 삼성전자주식회사 이동통신 시스템의 채널 추정 장치 및 방법
CN102160347A (zh) * 2008-08-18 2011-08-17 新加坡科技研究局 循环前置码方案
JP4631955B2 (ja) 2008-09-30 2011-02-16 ソニー株式会社 情報処理装置および方法、表示装置、並びにプログラム
US8325790B2 (en) * 2009-08-03 2012-12-04 Analog Devices, Inc. Equalization for OFDM communication
KR101065590B1 (ko) * 2009-08-21 2011-09-20 한국전기연구원 임펄스성 잡음의 영향을 감소시키기 위한 다중 반송파 기반의 데이터 복조 방법 및 그 장치
GB2473674A (en) * 2009-09-22 2011-03-23 Sony Corp OFDM receiver with a plurality of prediction filters to reduce noise in channel transfer function estimates
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JP5968593B2 (ja) * 2011-02-25 2016-08-10 京セラ株式会社 チャネル推定装置およびチャネル推定方法
JP2012178634A (ja) * 2011-02-25 2012-09-13 Kyocera Corp チャネル推定装置およびチャネル推定方法
JP2012178635A (ja) * 2011-02-25 2012-09-13 Kyocera Corp チャネル推定装置およびチャネル推定方法
WO2012172676A1 (ja) * 2011-06-17 2012-12-20 三菱電機株式会社 等化装置及び等化方法
TWI551064B (zh) * 2012-12-27 2016-09-21 晨星半導體股份有限公司 無線接收系統及其頻道效應估計方法
CN103929380B (zh) * 2013-01-10 2017-04-26 晨星软件研发(深圳)有限公司 无线接收系统及其频道效应估计方法
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI456954B (zh) * 2010-08-30 2014-10-11 Toshiba Kk 正交分頻多工調變（ｏｆｄｍ）收訊裝置

Also Published As

Publication number Publication date
US20070036232A1 (en) 2007-02-15
JP4728227B2 (ja) 2011-07-20
EP1744480A1 (en) 2007-01-17
US7519122B2 (en) 2009-04-14
KR20070006662A (ko) 2007-01-11
JPWO2005109712A1 (ja) 2008-03-21
CN1842982A (zh) 2006-10-04
WO2005109712A1 (ja) 2005-11-17

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