DE102013224664B4 - Ausgleichsvorrichtung und -verfahren - Google Patents

Ausgleichsvorrichtung und -verfahren Download PDF

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Publication number
DE102013224664B4
DE102013224664B4 DE102013224664.1A DE102013224664A DE102013224664B4 DE 102013224664 B4 DE102013224664 B4 DE 102013224664B4 DE 102013224664 A DE102013224664 A DE 102013224664A DE 102013224664 B4 DE102013224664 B4 DE 102013224664B4
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Germany
Prior art keywords
components
unit
channel characteristic
axis
delay time
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DE102013224664.1A
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German (de)
English (en)
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DE102013224664A1 (de
Inventor
Daisuke Shimbo
Naosuke Ito
Hiroyuki Nakayama
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of DE102013224664A1 publication Critical patent/DE102013224664A1/de
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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)
DE102013224664.1A 2012-12-03 2013-12-02 Ausgleichsvorrichtung und -verfahren Active DE102013224664B4 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2012264260 2012-12-03
JP2012-264260 2012-12-03
JP2013-162451 2013-08-05
JP2013162451A JP6005008B2 (ja) 2012-12-03 2013-08-05 等化装置及び等化方法

Publications (2)

Publication Number Publication Date
DE102013224664A1 DE102013224664A1 (de) 2014-06-05
DE102013224664B4 true DE102013224664B4 (de) 2017-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE102013224664.1A Active DE102013224664B4 (de) 2012-12-03 2013-12-02 Ausgleichsvorrichtung und -verfahren

Country Status (2)

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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
US12235340B2 (en) * 2019-08-19 2025-02-25 Sony Semiconductor Solutions Corporation Distance measurement device and distance measurement method

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1564946A2 (en) * 2004-02-16 2005-08-17 Pioneer Corporation Channel estimation in multicarrier transmission
US20080175140A1 (en) * 2007-01-23 2008-07-24 Beceem Communications, Inc. Methods and systems for performing channels estimation in a wireless communication system
US20090135923A1 (en) * 2007-11-27 2009-05-28 Bernard Arambepola Mobile channel estimation for DVB-T COFDM demodulator
US7940848B2 (en) * 2007-04-02 2011-05-10 Infineon Technologies Ag System having an OFDM channel estimator
US20110158334A1 (en) * 2009-12-24 2011-06-30 Bernard Arambepola Parameter and scattered pilot based symbol timing recovery
US20110206146A1 (en) * 2009-08-07 2011-08-25 Qualcomm Incorporated Channel estimation using replicas zero forcing
US8064507B1 (en) * 2008-11-24 2011-11-22 Qualcomm Atheros, Inc. System and method for channel estimation
US20120020427A1 (en) * 2009-01-16 2012-01-26 Alibis Systems Sàrl Interpolated channel estimation for mobile ofdm systems
US8520783B2 (en) * 2010-03-26 2013-08-27 Fujitsu Limited Receiving device

Family Cites Families (4)

* 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
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
US9065612B2 (en) * 2009-04-01 2015-06-23 Nippon Telegraph And Telephone Corporation Wireless transmission method, wireless transmission system, and transmission apparatus and reception apparatus of wireless transmission system

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1564946A2 (en) * 2004-02-16 2005-08-17 Pioneer Corporation Channel estimation in multicarrier transmission
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
US20080175140A1 (en) * 2007-01-23 2008-07-24 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
US20090135923A1 (en) * 2007-11-27 2009-05-28 Bernard Arambepola Mobile channel estimation for DVB-T COFDM demodulator
US8064507B1 (en) * 2008-11-24 2011-11-22 Qualcomm Atheros, Inc. System and method for channel estimation
US20120020427A1 (en) * 2009-01-16 2012-01-26 Alibis Systems Sàrl Interpolated channel estimation for mobile ofdm systems
EP2387840B1 (en) * 2009-01-16 2013-06-05 Abilis Systems Sarl Interpolated channel estimation for mobile ofdm systems
US20110206146A1 (en) * 2009-08-07 2011-08-25 Qualcomm Incorporated Channel estimation using replicas zero forcing
US20110158334A1 (en) * 2009-12-24 2011-06-30 Bernard Arambepola Parameter and scattered pilot based symbol timing recovery
US8520783B2 (en) * 2010-03-26 2013-08-27 Fujitsu Limited Receiving device

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Publication number Publication date
JP2014132744A (ja) 2014-07-17
JP6005008B2 (ja) 2016-10-12
DE102013224664A1 (de) 2014-06-05

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