DE102013226644B4 - Ausgleicher; Ausgleichsverfahren und Empfänger - Google Patents

Ausgleicher; Ausgleichsverfahren und Empfänger Download PDF

Info

Publication number
DE102013226644B4
DE102013226644B4 DE102013226644.8A DE102013226644A DE102013226644B4 DE 102013226644 B4 DE102013226644 B4 DE 102013226644B4 DE 102013226644 A DE102013226644 A DE 102013226644A DE 102013226644 B4 DE102013226644 B4 DE 102013226644B4
Authority
DE
Germany
Prior art keywords
delay profile
unit
smoothed
frequency
zone
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE102013226644.8A
Other languages
German (de)
English (en)
Other versions
DE102013226644A1 (de
Inventor
Daisuke Shimbo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE102013226644A1 publication Critical patent/DE102013226644A1/de
Application granted granted Critical
Publication of DE102013226644B4 publication Critical patent/DE102013226644B4/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04L25/0202—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
    • H04L25/0202—Channel estimation
    • H04L25/022—Channel estimation of frequency 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
    • H04L25/0202—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
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements 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)
DE102013226644.8A 2012-12-19 2013-12-19 Ausgleicher; Ausgleichsverfahren und Empfänger Expired - Fee Related DE102013226644B4 (de)

Applications Claiming Priority (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
JP2012-277190 2012-12-19

Publications (2)

Publication Number Publication Date
DE102013226644A1 DE102013226644A1 (de) 2014-06-26
DE102013226644B4 true DE102013226644B4 (de) 2017-03-16

Family

ID=50879034

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102013226644.8A Expired - Fee Related DE102013226644B4 (de) 2012-12-19 2013-12-19 Ausgleicher; Ausgleichsverfahren und Empfänger

Country Status (2)

Country Link
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

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030227866A1 (en) * 2002-06-06 2003-12-11 Hirohisa Yamaguchi Multi-path equalization for orthogonal frequency division multiplexing communication system
US20050213679A1 (en) * 2004-03-26 2005-09-29 Taku Yamagata Receiver
US20060227887A1 (en) * 2005-04-07 2006-10-12 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
US20080144730A1 (en) * 2006-11-03 2008-06-19 Maxlinear, Inc. Edge mmse filters
JP2008271018A (ja) * 2007-04-18 2008-11-06 Mega Chips Corp Ｏｆｄｍ受信装置
US20100290570A1 (en) * 2007-08-17 2010-11-18 Satha Sathananthan Method and apparatus for channel estimation in ofdm
US20110206146A1 (en) * 2009-08-07 2011-08-25 Qualcomm Incorporated Channel estimation using replicas zero forcing
EP2413551A1 (en) * 2010-07-29 2012-02-01 Research In Motion Limited System and method for channel estimation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4523294B2 (ja) * 2003-02-10 2010-08-11 三菱電機株式会社 通信装置
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
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
JP5473546B2 (ja) * 2009-11-09 2014-04-16 三菱電機株式会社 Ｏｆｄｍ復調装置
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030227866A1 (en) * 2002-06-06 2003-12-11 Hirohisa Yamaguchi Multi-path equalization for orthogonal frequency division multiplexing communication system
US20050213679A1 (en) * 2004-03-26 2005-09-29 Taku Yamagata Receiver
US20060227887A1 (en) * 2005-04-07 2006-10-12 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
US20080144730A1 (en) * 2006-11-03 2008-06-19 Maxlinear, Inc. Edge mmse filters
JP2008271018A (ja) * 2007-04-18 2008-11-06 Mega Chips Corp Ｏｆｄｍ受信装置
US20100290570A1 (en) * 2007-08-17 2010-11-18 Satha Sathananthan Method and apparatus for channel estimation in ofdm
US20110206146A1 (en) * 2009-08-07 2011-08-25 Qualcomm Incorporated Channel estimation using replicas zero forcing
EP2413551A1 (en) * 2010-07-29 2012-02-01 Research In Motion Limited System and method for channel estimation

Also Published As

Publication number Publication date
JP5995703B2 (ja) 2016-09-21
JP2014121070A (ja) 2014-06-30
DE102013226644A1 (de) 2014-06-26

Similar Documents

Publication Publication Date Title
JP3802031B2 (ja) 受信装置及び受信方法
EP2082548B1 (en) Ofdm receiver
US8451918B1 (en) System and method for spur estimation and mitigation
DE102006056158B4 (de) Kanalschätzung für OFDM Systeme
DE102009036032A1 (de) Kanalschätzung
US7864836B1 (en) Adaptive orthogonal frequency division multiplexing (OFDM) equalizers, OFDM receivers including the same, and methods thereof
DE60217464T2 (de) Kanal- und Verzögerungsschätzung in Mehrträgersystemen
EP2077649A1 (en) Channel estimation method and channel estimator utilizing the same
RU2531256C2 (ru) Устройство приема, способ приема и программа
DE102013226644B4 (de) Ausgleicher; Ausgleichsverfahren und Empfänger
US20070076804A1 (en) Image-rejecting channel estimator, method of image-rejection channel estimating and an OFDM receiver employing the same
GB2548293A (en) Noise variance estimation and interference detection
WO2008145337A2 (en) A method for interference estimation for orthogonal pilot patterns
EP2356784B1 (en) Receiver with channel estimation circuitry
US20060146690A1 (en) Methods, circuits and computer program products for estimating frequency domain channel in a DVB-T receiver using transform domain complex filtering
EP1913720B1 (en) Systems, methods, and apparatus for impulse noise mitigation
DE102010026442B4 (de) Zwischenträgerinterferenz-Entfernungsvorrichtung und Zwischenträgerinterferenz-Entfernungsverfahren
DE10248507A1 (de) Verfahren und Vorrichtung zur Fehlerkorrektur von Multiplex-Signalen
EP2840745B1 (en) Method and apparatus for channel estimation using an adaptive windowing approach
JP6192857B2 (ja) 等化装置、等化方法、及び受信装置
DE102007057377A1 (de) OFDM-Empfänger unter Verwendung von Zeitbereich- und Frequenzbereich-Entzerrung und Zeitbereich-Entzerrer
US9699005B2 (en) Echo discriminating device and method thereof
DE10225662B4 (de) Empfänger
JP2014121070A5 (enExample)
DE102006057103B4 (de) Verfahren und Vorrichtung zur Kanalschätzung von Übertragungskanälen in einem OFDM-Übertragungssystem

Legal Events

Date Code Title Description
R012 Request for examination validly filed
R084 Declaration of willingness to licence
R016 Response to examination communication
R018 Grant decision by examination section/examining division
R020 Patent grant now final
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee