JP5995703B2 - 等化装置及び等化方法並びに受信装置 - Google Patents

等化装置及び等化方法並びに受信装置 Download PDF

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Publication number
JP5995703B2
JP5995703B2 JP2012277190A JP2012277190A JP5995703B2 JP 5995703 B2 JP5995703 B2 JP 5995703B2 JP 2012277190 A JP2012277190 A JP 2012277190A JP 2012277190 A JP2012277190 A JP 2012277190A JP 5995703 B2 JP5995703 B2 JP 5995703B2
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Japan
Prior art keywords
frequency
delay profile
unit
smoothing
filter
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Expired - Fee Related
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JP2012277190A
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English (en)
Japanese (ja)
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JP2014121070A (ja
JP2014121070A5 (enExample
Inventor
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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Priority to JP2012277190A priority Critical patent/JP5995703B2/ja
Priority to DE102013226644.8A priority patent/DE102013226644B4/de
Publication of JP2014121070A publication Critical patent/JP2014121070A/ja
Publication of JP2014121070A5 publication Critical patent/JP2014121070A5/ja
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0212Channel estimation of impulse response
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/022Channel estimation of frequency response
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • H04L25/0228Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Picture Signal Circuits (AREA)
JP2012277190A 2012-12-19 2012-12-19 等化装置及び等化方法並びに受信装置 Expired - Fee Related JP5995703B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012277190A JP5995703B2 (ja) 2012-12-19 2012-12-19 等化装置及び等化方法並びに受信装置
DE102013226644.8A DE102013226644B4 (de) 2012-12-19 2013-12-19 Ausgleicher; Ausgleichsverfahren und Empfänger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012277190A JP5995703B2 (ja) 2012-12-19 2012-12-19 等化装置及び等化方法並びに受信装置

Publications (3)

Publication Number Publication Date
JP2014121070A JP2014121070A (ja) 2014-06-30
JP2014121070A5 JP2014121070A5 (enExample) 2015-09-24
JP5995703B2 true JP5995703B2 (ja) 2016-09-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012277190A Expired - Fee Related JP5995703B2 (ja) 2012-12-19 2012-12-19 等化装置及び等化方法並びに受信装置

Country Status (2)

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JP (1) JP5995703B2 (enExample)
DE (1) DE102013226644B4 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6410747B2 (ja) * 2016-02-26 2018-10-24 三菱電機株式会社 受信装置及び受信方法
EP3896586A4 (en) * 2019-01-24 2021-12-29 Mitsubishi Electric Corporation Fourier transform device and fourier transform method
JP7730349B2 (ja) * 2023-05-24 2025-08-27 アンリツ株式会社 試験システム及び最大ドップラー周波数算出方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7099270B2 (en) * 2002-06-06 2006-08-29 Texas Instruments Incorporated Multi-path equalization for orthogonal frequency division multiplexing communication system
JP4523294B2 (ja) * 2003-02-10 2010-08-11 三菱電機株式会社 通信装置
GB2412552A (en) * 2004-03-26 2005-09-28 Sony Uk Ltd Receiver
US7848463B2 (en) * 2005-04-07 2010-12-07 Qualcomm Incorporated Adaptive time-filtering for channel estimation in OFDM system
US20070076804A1 (en) * 2005-09-30 2007-04-05 Texas Instruments Inc. Image-rejecting channel estimator, method of image-rejection channel estimating and an OFDM receiver employing the same
JP2007143106A (ja) * 2005-10-19 2007-06-07 Matsushita Electric Ind Co Ltd 受信装置、受信回路、受信方法及び受信プログラム
JP2007158877A (ja) * 2005-12-07 2007-06-21 Matsushita Electric Ind Co Ltd 移動体におけるデジタル通信を行うデジタル放送受信機、デジタル放送の受信方法、デジタル放送受信に関する集積回路
WO2008058087A2 (en) * 2006-11-03 2008-05-15 Maxlinear, Inc. Edge mmse filter
JP5146929B2 (ja) * 2007-04-18 2013-02-20 株式会社メガチップス Ofdm受信装置
CN101785225B (zh) * 2007-08-17 2013-08-07 日本电气株式会社 Ofdm中的信道估计的方法和设备
JP5344984B2 (ja) * 2009-04-28 2013-11-20 三菱電機株式会社 移動速度検出装置及び移動速度検出方法
US8467465B2 (en) * 2009-08-07 2013-06-18 Qualcomm Incorporated Channel estimation using replicas zero forcing
JP5473546B2 (ja) * 2009-11-09 2014-04-16 三菱電機株式会社 Ofdm復調装置
EP2413551A1 (en) * 2010-07-29 2012-02-01 Research In Motion Limited System and method for channel estimation
JP5896795B2 (ja) * 2012-03-14 2016-03-30 三菱電機株式会社 等化装置、受信装置及び等化方法

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Publication number Publication date
DE102013226644B4 (de) 2017-03-16
JP2014121070A (ja) 2014-06-30
DE102013226644A1 (de) 2014-06-26

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