CN102006260B - 载波间干扰去除装置以及载波间干扰去除方法 - Google Patents

载波间干扰去除装置以及载波间干扰去除方法 Download PDF

Info

Publication number
CN102006260B
CN102006260B CN2010102665641A CN201010266564A CN102006260B CN 102006260 B CN102006260 B CN 102006260B CN 2010102665641 A CN2010102665641 A CN 2010102665641A CN 201010266564 A CN201010266564 A CN 201010266564A CN 102006260 B CN102006260 B CN 102006260B
Authority
CN
China
Prior art keywords
delay
wave
amplitude
signal
window function
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
CN2010102665641A
Other languages
English (en)
Chinese (zh)
Other versions
CN102006260A (zh
Inventor
新保大介
前田尚利
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 CN102006260A publication Critical patent/CN102006260A/zh
Application granted granted Critical
Publication of CN102006260B publication Critical patent/CN102006260B/zh
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
    • 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
    • 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
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • 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
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • 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
    • H04L25/03821—Inter-carrier interference cancellation [ICI]
    • 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
    • H04L27/2655—Synchronisation arrangements
    • 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)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CN2010102665641A 2009-08-28 2010-08-27 载波间干扰去除装置以及载波间干扰去除方法 Expired - Fee Related CN102006260B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-197865 2009-08-28
JP2009197865A JP5349206B2 (ja) 2009-08-28 2009-08-28 キャリア間干渉除去装置及びキャリア間干渉除去方法

Publications (2)

Publication Number Publication Date
CN102006260A CN102006260A (zh) 2011-04-06
CN102006260B true CN102006260B (zh) 2013-09-25

Family

ID=43536292

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010102665641A Expired - Fee Related CN102006260B (zh) 2009-08-28 2010-08-27 载波间干扰去除装置以及载波间干扰去除方法

Country Status (3)

Country Link
JP (1) JP5349206B2 (enExample)
CN (1) CN102006260B (enExample)
DE (1) DE102010026442B4 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012204941A (ja) * 2011-03-24 2012-10-22 Toshiba Corp 受信装置および受信方法
JP6821869B2 (ja) * 2016-09-13 2021-01-27 株式会社光電製作所 Ｏｆｄｍ受信装置およびｏｆｄｍ受信方法
JP6192879B1 (ja) * 2016-12-09 2017-09-06 三菱電機株式会社 最尤系列推定回路、受信装置および最尤系列推定方法
WO2020050004A1 (ja) 2018-09-03 2020-03-12 日本電気株式会社 伝送装置、伝送時間変動補償方法および伝送時間変動補償プログラムを格納した非一時的なコンピュータ可読媒体

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101204057A (zh) * 2005-04-21 2008-06-18 艾利森电话股份有限公司 时域加窗和载波间干扰消除
WO2008074734A1 (en) * 2006-12-19 2008-06-26 Telefonaktiebolaget Lm Ericsson (Publ) Inter-carrier interference cancellation for ofdma systems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671923B1 (fr) * 1991-01-17 1993-04-16 France Etat Dispositif de demodulation coherente de donnees numeriques entrelacees en temps et en frequence, a estimation de la reponse frequentielle du canal de transmission et seuillage, et emetteur correspondant.
JP4298320B2 (ja) * 2002-11-08 2009-07-15 富士通株式会社 Ｏｆｄｍ伝送方式における受信装置
US7907673B2 (en) * 2006-10-26 2011-03-15 Telefonaktiebolaget L M Ericsson (Publ) Robust and low-complexity combined signal power estimation
JP4868525B2 (ja) * 2007-04-23 2012-02-01 学校法人 名城大学 復調装置、受信装置、復調方法および復調プログラム
US7773683B2 (en) 2007-08-31 2010-08-10 Industrial Technology Research Institute Method and apparatus for ICI cancellation in communication systems
JP4780161B2 (ja) * 2007-11-28 2011-09-28 ソニー株式会社 受信装置、受信方法、およびプログラム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101204057A (zh) * 2005-04-21 2008-06-18 艾利森电话股份有限公司 时域加窗和载波间干扰消除
WO2008074734A1 (en) * 2006-12-19 2008-06-26 Telefonaktiebolaget Lm Ericsson (Publ) Inter-carrier interference cancellation for ofdma systems

Also Published As

Publication number Publication date
JP2011049937A (ja) 2011-03-10
DE102010026442B4 (de) 2019-12-05
CN102006260A (zh) 2011-04-06
DE102010026442A1 (de) 2011-03-10
JP5349206B2 (ja) 2013-11-20

Similar Documents

Publication Publication Date Title
CN101040503B (zh) 无线通信系统中估计信道频率响应的方法和装置
JP4099175B2 (ja) 複数のチャネルを推定する装置及び方法
CN1643867B (zh) 用于估计信道的设备和方法
CA2565527C (en) Staggered pilot transmission for channel estimation and time tracking
US7031250B2 (en) Method and apparatus for channel estimation
JP4164364B2 (ja) 複雑さが低減したチャンネル応答推定を有するマルチキャリヤ伝送システム
US8254510B2 (en) Apparatus and method for inter-carrier interference cancellation
CN102113286B (zh) 用于多载波系统中的ici消除的迭代信道估计方法和设备
JP5144687B2 (ja) Ｏｆｄｍ符号タイミングリカバリの方法およびシステム
JP2009111973A (ja) 干渉プラス雑音のレベルを推定するための方法および装置、ならびにコンピュータプログラム
JP3910956B2 (ja) Ｏｆｄｍ無線通信システムのための伝搬路推定器及びこれを用いた受信装置
CN102006260B (zh) 载波间干扰去除装置以及载波间干扰去除方法
US20080101216A1 (en) Orthogonal frequency division multiplex (ofdm) signal equalizier
JP4612511B2 (ja) 受信装置及び受信方法
EP1855404B1 (en) Receiver apparatus
US20150063497A1 (en) Antenna Diversity Combining For Differentially Modulated Orthogonal Frequency Division Multiplexed (OFDM) Signals
JP5645613B2 (ja) 無線通信システム、送信機および受信機
Goljahani et al. Superimposed sequence versus pilot aided channel estimations for next generation DVB-T systems
JP4858199B2 (ja) 無線通信の受信装置及び受信方法
KR100992369B1 (ko) Ｏｆｄｍ 시스템의 채널 추정 장치
KR100849799B1 (ko) 시간 영역 및 주파수 영역 등화방식을 공용하는 직교주파수 분할 다중 수신기 및 시간 영역 등화기
KR101284393B1 (ko) 직교 주파수 분할 다중 변조 방식 통신 시스템의 순환 지연 다이버시티 기법을 이용하는 송신기 및 잔여 주파수 오차를 추정하는 수신기
KR20130059788A (ko) 직교 주파수 분할 다중 변조 방식 통신 시스템의 순환 지연 다이버시티 기법을 이용하는 송신기 및 잔여 시간 오차를 추정하는 수신기
Kumar DFT based Channel Estimation in OFDM System
Witschnig et al. Comparison of channel estimation techniques for a single carrier system using frequency domain equalization and Hiperlan/2-like OFDM systems

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130925

CF01 Termination of patent right due to non-payment of annual fee