JP6005008B2 - 等化装置及び等化方法 - Google Patents

等化装置及び等化方法 Download PDF

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Publication number
JP6005008B2
JP6005008B2 JP2013162451A JP2013162451A JP6005008B2 JP 6005008 B2 JP6005008 B2 JP 6005008B2 JP 2013162451 A JP2013162451 A JP 2013162451A JP 2013162451 A JP2013162451 A JP 2013162451A JP 6005008 B2 JP6005008 B2 JP 6005008B2
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Japan
Prior art keywords
unit
transmission line
fourier transform
component
transmission path
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JP2013162451A
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English (en)
Japanese (ja)
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JP2014132744A (ja
JP2014132744A5 (enExample
Inventor
尚祐 伊藤
尚祐 伊藤
中山　裕之
裕之 中山
大介 新保
大介 新保
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2013162451A priority Critical patent/JP6005008B2/ja
Priority to DE102013224664.1A priority patent/DE102013224664B4/de
Publication of JP2014132744A publication Critical patent/JP2014132744A/ja
Publication of JP2014132744A5 publication Critical patent/JP2014132744A5/ja
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    • 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
    • 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
    • H04L25/0212—Channel estimation of impulse response
    • 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
    • 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
    • H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
    • H04L27/26526—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • 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
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals

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  • 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)
  • Noise Elimination (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP2013162451A 2012-12-03 2013-08-05 等化装置及び等化方法 Active JP6005008B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013162451A JP6005008B2 (ja) 2012-12-03 2013-08-05 等化装置及び等化方法
DE102013224664.1A DE102013224664B4 (de) 2012-12-03 2013-12-02 Ausgleichsvorrichtung und -verfahren

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012264260 2012-12-03
JP2012264260 2012-12-03
JP2013162451A JP6005008B2 (ja) 2012-12-03 2013-08-05 等化装置及び等化方法

Publications (3)

Publication Number Publication Date
JP2014132744A JP2014132744A (ja) 2014-07-17
JP2014132744A5 JP2014132744A5 (enExample) 2016-01-21
JP6005008B2 true JP6005008B2 (ja) 2016-10-12

Family

ID=50726269

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013162451A Active JP6005008B2 (ja) 2012-12-03 2013-08-05 等化装置及び等化方法

Country Status (2)

Country Link
JP (1) JP6005008B2 (enExample)
DE (1) DE102013224664B4 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6021668B2 (ja) * 2013-02-04 2016-11-09 三菱電機株式会社 等化装置及び等化方法
CN114258500A (zh) * 2019-08-19 2022-03-29 索尼半导体解决方案公司 距离测量装置和距离测量方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7248559B2 (en) * 2001-10-17 2007-07-24 Nortel Networks Limited Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
JP3802031B2 (ja) * 2004-02-16 2006-07-26 パイオニア株式会社 受信装置及び受信方法
US7859990B2 (en) * 2007-01-23 2010-12-28 Beceem Communications Inc. Methods and systems for performing channels estimation in a wireless communication system
US7940848B2 (en) * 2007-04-02 2011-05-10 Infineon Technologies Ag System having an OFDM channel estimator
US7970068B2 (en) * 2007-11-27 2011-06-28 Intel Corporation Mobile channel estimation for DBV-T COFDM demodulator
WO2009125500A1 (ja) * 2008-04-12 2009-10-15 パイオニア株式会社 受信装置及び受信方法
JP5198212B2 (ja) * 2008-10-15 2013-05-15 日本放送協会 マルチキャリヤ変調信号受信装置
US8064507B1 (en) * 2008-11-24 2011-11-22 Qualcomm Atheros, Inc. System and method for channel estimation
EP2387840B1 (en) * 2009-01-16 2013-06-05 Abilis Systems Sarl Interpolated channel estimation for mobile ofdm systems
CN102362453B (zh) * 2009-04-01 2014-07-16 日本电信电话株式会社 无线传输方法、无线传输系统以及无线传输系统的发送和接收装置
US8467465B2 (en) * 2009-08-07 2013-06-18 Qualcomm Incorporated Channel estimation using replicas zero forcing
US8340222B2 (en) * 2009-12-24 2012-12-25 Intel Corporation Parameter and scattered pilot based symbol timing recovery
JP2011223546A (ja) * 2010-03-26 2011-11-04 Fujitsu Ltd 受信装置

Also Published As

Publication number Publication date
DE102013224664B4 (de) 2017-03-16
JP2014132744A (ja) 2014-07-17
DE102013224664A1 (de) 2014-06-05

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