DE69733264D1 - Komponententaktrückgewinnungssystem für qam - Google Patents

Komponententaktrückgewinnungssystem für qam

Info

Publication number
DE69733264D1
DE69733264D1 DE69733264T DE69733264T DE69733264D1 DE 69733264 D1 DE69733264 D1 DE 69733264D1 DE 69733264 T DE69733264 T DE 69733264T DE 69733264 T DE69733264 T DE 69733264T DE 69733264 D1 DE69733264 D1 DE 69733264D1
Authority
DE
Germany
Prior art keywords
qam
recovery system
component recovery
component
recovery
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 - Lifetime
Application number
DE69733264T
Other languages
English (en)
Other versions
DE69733264T2 (de
Inventor
Gothard Knutson
Kumar Ramaswamy
Lowell Mcneely
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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
Priority claimed from GBGB9619712.4A external-priority patent/GB9619712D0/en
Priority claimed from US08/835,915 external-priority patent/US5878088A/en
Application filed by Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Application granted granted Critical
Publication of DE69733264D1 publication Critical patent/DE69733264D1/de
Publication of DE69733264T2 publication Critical patent/DE69733264T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0029—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • 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
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0334—Processing of samples having at least three levels, e.g. soft decisions
    • H04L7/0335—Gardner detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE69733264T 1996-09-20 1997-09-08 Komponententaktrückgewinnungssystem für qam Expired - Lifetime DE69733264T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9619712 1996-09-20
GBGB9619712.4A GB9619712D0 (en) 1996-09-20 1996-09-20 Digital variable symbol timing recovery system for qam
US835915 1997-04-10
US08/835,915 US5878088A (en) 1997-04-10 1997-04-10 Digital variable symbol timing recovery system for QAM
PCT/US1997/015888 WO1998012836A1 (en) 1996-09-20 1997-09-08 Component timing recovery system for qam

Publications (2)

Publication Number Publication Date
DE69733264D1 true DE69733264D1 (de) 2005-06-16
DE69733264T2 DE69733264T2 (de) 2006-01-26

Family

ID=26310077

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69733264T Expired - Lifetime DE69733264T2 (de) 1996-09-20 1997-09-08 Komponententaktrückgewinnungssystem für qam

Country Status (9)

Country Link
EP (1) EP0927472B1 (de)
JP (1) JP3886159B2 (de)
KR (1) KR100504761B1 (de)
CN (1) CN1135780C (de)
AU (1) AU4260397A (de)
BR (1) BR9711494B1 (de)
DE (1) DE69733264T2 (de)
MY (1) MY117729A (de)
WO (1) WO1998012836A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60030801T2 (de) 1999-05-11 2007-09-06 Koninklijke Philips Electronics N.V. Übertragungssystem und Empfänger mit Vorrichtung zur Dezimation
DE69932416D1 (de) 1999-05-31 2006-08-31 St Microelectronics Srl Digitaler AM-demodulator , insbesondere für die Demodulation von Fernsehsignalen
US6782058B1 (en) * 2001-01-24 2004-08-24 Advanced Micro Devices, Inc. Device and method for interpolated signal resampling between sampling clock cycles
KR100497351B1 (ko) * 2001-02-08 2005-06-23 삼성전자주식회사 시분할 다중화에 따른 위상 불일치 보상 장치 및 방법
DE10127447C1 (de) * 2001-06-07 2002-10-10 Infineon Technologies Ag Verfahren zum digitalen Verarbeiten eines analogen Datenstroms und Schaltungsanordnung
KR100454483B1 (ko) 2002-03-04 2004-10-28 삼성전자주식회사 아이/큐 복조장치 및 그의 아이/큐 신호생성방법
KR20040008872A (ko) * 2002-07-19 2004-01-31 주식회사 오픈솔루션 오.에프.디.엠 수신기
CN1798298A (zh) * 2004-12-20 2006-07-05 三星电子株式会社 数字多媒体接收机中的解调装置
JP4186083B2 (ja) * 2006-10-03 2008-11-26 日本電気株式会社 クロック同期回路
CN102077104A (zh) * 2008-07-09 2011-05-25 爱德万测试株式会社 测试装置及测试方法
JP5199484B2 (ja) 2008-12-09 2013-05-15 テレフオンアクチーボラゲット エル エム エリクソン（パブル） マルチブランチ受信機のためのシンボルタイミング回復技術
JP5158034B2 (ja) * 2009-08-12 2013-03-06 富士通株式会社 無線装置及び信号処理方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62298255A (ja) * 1986-06-18 1987-12-25 Fujitsu Ltd 識別装置
JP3003826B2 (ja) * 1992-12-11 2000-01-31 三菱電機株式会社 クロック再生回路
US5943369A (en) * 1996-02-27 1999-08-24 Thomson Consumer Electronics, Inc. Timing recovery system for a digital signal processor

Also Published As

Publication number Publication date
BR9711494B1 (pt) 2010-11-03
KR20000036158A (ko) 2000-06-26
BR9711494A (pt) 1999-08-24
EP0927472B1 (de) 2005-05-11
AU4260397A (en) 1998-04-14
DE69733264T2 (de) 2006-01-26
KR100504761B1 (ko) 2005-07-29
JP3886159B2 (ja) 2007-02-28
MY117729A (en) 2004-07-31
WO1998012836A1 (en) 1998-03-26
CN1238085A (zh) 1999-12-08
EP0927472A1 (de) 1999-07-07
JP2001500707A (ja) 2001-01-16
CN1135780C (zh) 2004-01-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition