WO2008136376A1 - 復調装置および方法 - Google Patents

復調装置および方法 Download PDF

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Publication number
WO2008136376A1
WO2008136376A1 PCT/JP2008/058013 JP2008058013W WO2008136376A1 WO 2008136376 A1 WO2008136376 A1 WO 2008136376A1 JP 2008058013 W JP2008058013 W JP 2008058013W WO 2008136376 A1 WO2008136376 A1 WO 2008136376A1
Authority
WO
WIPO (PCT)
Prior art keywords
input signal
series
channel
delay detection
demodulator
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.)
Ceased
Application number
PCT/JP2008/058013
Other languages
English (en)
French (fr)
Inventor
Tetsuhiro Futami
Yuichi Mizutani
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to US12/597,503 priority Critical patent/US8374290B2/en
Priority to CN2008800138673A priority patent/CN101669340B/zh
Priority to EP08752087.0A priority patent/EP2150009B1/en
Publication of WO2008136376A1 publication Critical patent/WO2008136376A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • H04L25/03—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • 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
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Relay Systems (AREA)

Abstract

　本発明は、入力信号のチャンネルが反転している場合に、より迅速に入力信号の復調を正しく行うことができる復調装置および方法に関する。 相関器１５２は、入力信号に挿入されている既知系列の正しい遅延検波値のシンボル列である既知遅延検波系列と、入力信号を遅延検波した受信遅延検波系列との相関を示す相関値を算出する。チャンネル制御部１３２は、相関値の虚部の値が０未満である場合、入力信号のチャンネルを入れ替えて、フレーム同期回路１２２に供給する。本発明は、例えば、衛星放送受信装置に適用することができる。
PCT/JP2008/058013 2007-04-27 2008-04-25 復調装置および方法 Ceased WO2008136376A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/597,503 US8374290B2 (en) 2007-04-27 2008-04-25 Demodulating apparatus and demodulating method
CN2008800138673A CN101669340B (zh) 2007-04-27 2008-04-25 解调设备和解调方法
EP08752087.0A EP2150009B1 (en) 2007-04-27 2008-04-25 Demodulator and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007118940A JP4655232B2 (ja) 2007-04-27 2007-04-27 復調装置および方法
JP2007-118940 2007-04-27

Publications (1)

Publication Number Publication Date
WO2008136376A1 true WO2008136376A1 (ja) 2008-11-13

Family

ID=39943485

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/058013 Ceased WO2008136376A1 (ja) 2007-04-27 2008-04-25 復調装置および方法

Country Status (5)

Country Link
US (1) US8374290B2 (ja)
EP (1) EP2150009B1 (ja)
JP (1) JP4655232B2 (ja)
CN (1) CN101669340B (ja)
WO (1) WO2008136376A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101909175A (zh) * 2009-06-04 2010-12-08 索尼公司 接收装置、接收方法和程序以及接收系统
JP2017005467A (ja) * 2015-06-09 2017-01-05 日本電信電話株式会社 送受信システム

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5644372B2 (ja) * 2010-10-27 2014-12-24 ソニー株式会社 信号処理装置および方法、並びに、プログラム
JP5906775B2 (ja) * 2012-02-02 2016-04-20 ソニー株式会社 復調装置および復調方法、並びにプログラム
JP5750094B2 (ja) * 2012-04-18 2015-07-15 株式会社日立製作所 π／２シフトＢＰＳＫ信号相関方法及び相関器、並びに受信装置
CN104092504B (zh) * 2014-07-22 2017-02-15 四川九洲电器集团有限责任公司 一种延迟检测装置及其检测方法
JP6209189B2 (ja) * 2015-08-17 2017-10-04 日本電信電話株式会社 位相反転検出回路

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH05153087A (ja) * 1991-11-25 1993-06-18 Clarion Co Ltd スペクトラム拡散通信装置
JPH05160863A (ja) 1991-12-05 1993-06-25 Sony Corp Ｍｓｋ変調信号の復調装置
JPH09247226A (ja) * 1996-03-14 1997-09-19 Hitachi Ltd 直交変調波復調装置
JP2002009858A (ja) * 2000-06-22 2002-01-11 Sony Corp デジタル衛星放送復調装置及び方法

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JPH0685857A (ja) * 1992-08-31 1994-03-25 Nec Corp 位相変調受信装置
JP2522144B2 (ja) * 1993-01-14 1996-08-07 日本電気株式会社 位相曖昧度除去回路
EP0620668B1 (en) * 1993-04-15 2000-06-07 Samsung Electronics Co., Ltd. Removal of plus/minus 90 and 180 phase errors in QAM receivers
ES2196221T3 (es) * 1997-08-05 2003-12-16 Sony Int Europe Gmbh Circuito para deshacer la correlacion de qam.
JPH11340860A (ja) * 1998-05-25 1999-12-10 Toshiba Corp マルチバンド移動無線機
US6816555B2 (en) * 2000-02-18 2004-11-09 Sony Corporation Signal component demultiplexing apparatus, filter apparatus, receiving apparatus, communication apparatus, and communication method
US6711710B2 (en) * 2000-07-17 2004-03-23 Hughes Electronics Corporation Robust carrier identifying method and apparatus for bandwidth-on-demand (BOD) system
US7065703B2 (en) * 2001-02-14 2006-06-20 Conexant Systems, Inc. Synchronization of a communications system
JP3777105B2 (ja) * 2001-06-21 2006-05-24 アルプス電気株式会社 直交周波数分割多重信号復調回路
JP3885657B2 (ja) * 2002-05-10 2007-02-21 Ｋｄｄｉ株式会社 Ｏｆｄｍ信号の周波数誤差を補正する受信装置
US20040037366A1 (en) * 2002-08-23 2004-02-26 Magis Networks, Inc. Apparatus and method for multicarrier modulation and demodulation
JP3705271B2 (ja) * 2003-02-03 2005-10-12 ソニー株式会社 送信方法及び送信装置
US7177617B2 (en) * 2003-12-30 2007-02-13 Silicon Laboratories Method and apparatus for enhancing signal quality within a wireless receiver
EP1753150A4 (en) * 2004-06-10 2008-08-27 Matsushita Electric Industrial Co Ltd CODE-DISTRIBUTED MULTIPLE ACCESS CDMA COMMUNICATION APPARATUS AND CODE DIVISION MULTIPLE ACCESS CDMA COMMUNICATION METHOD
EP1819085A1 (en) * 2004-12-27 2007-08-15 Matsushita Electric Industrial Co., Ltd. Radio transmitting apparatus, radio receiving apparatus, radio transmitting method and radio receiving method
FR2888076A1 (fr) * 2005-07-01 2007-01-05 St Microelectronics Sa Procede de correction automatique de l'inversion spectrale dans un demodulateur et dispositif pour mettre en oeuvre le procede
US8724744B2 (en) * 2005-08-19 2014-05-13 General Instrument Corporation Method and apparatus for wide dynamic range reduction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05153087A (ja) * 1991-11-25 1993-06-18 Clarion Co Ltd スペクトラム拡散通信装置
JPH05160863A (ja) 1991-12-05 1993-06-25 Sony Corp Ｍｓｋ変調信号の復調装置
JPH09247226A (ja) * 1996-03-14 1997-09-19 Hitachi Ltd 直交変調波復調装置
JP2002009858A (ja) * 2000-06-22 2002-01-11 Sony Corp デジタル衛星放送復調装置及び方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2150009A4 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101909175A (zh) * 2009-06-04 2010-12-08 索尼公司 接收装置、接收方法和程序以及接收系统
CN101909175B (zh) * 2009-06-04 2014-06-25 索尼公司 接收装置、接收方法和接收系统
JP2017005467A (ja) * 2015-06-09 2017-01-05 日本電信電話株式会社 送受信システム

Also Published As

Publication number Publication date
JP4655232B2 (ja) 2011-03-23
EP2150009A4 (en) 2016-03-09
EP2150009A1 (en) 2010-02-03
US20100119014A1 (en) 2010-05-13
EP2150009B1 (en) 2017-03-29
US8374290B2 (en) 2013-02-12
CN101669340A (zh) 2010-03-10
CN101669340B (zh) 2013-03-20
JP2008278173A (ja) 2008-11-13

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