DE69434174D1 - Prozessor für Trägerrückgewinnung - Google Patents

Prozessor für Trägerrückgewinnung

Info

Publication number
DE69434174D1
DE69434174D1 DE1994634174 DE69434174T DE69434174D1 DE 69434174 D1 DE69434174 D1 DE 69434174D1 DE 1994634174 DE1994634174 DE 1994634174 DE 69434174 T DE69434174 T DE 69434174T DE 69434174 D1 DE69434174 D1 DE 69434174D1
Authority
DE
Germany
Prior art keywords
processor
carrier recovery
recovery
carrier
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
DE1994634174
Other languages
English (en)
Other versions
DE69434174T2 (de
Inventor
Peter Paul Frans Reusens
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
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 Alcatel SA filed Critical Alcatel SA
Publication of DE69434174D1 publication Critical patent/DE69434174D1/de
Application granted granted Critical
Publication of DE69434174T2 publication Critical patent/DE69434174T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • 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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • 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
    • H04L27/3818—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69434174T 1994-12-22 1994-12-22 Prozessor für Trägerrückgewinnung Expired - Fee Related DE69434174T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94203725A EP0719002B1 (de) 1994-12-22 1994-12-22 Prozessor für Trägerrückgewinnung

Publications (2)

Publication Number Publication Date
DE69434174D1 true DE69434174D1 (de) 2005-01-13
DE69434174T2 DE69434174T2 (de) 2005-06-02

Family

ID=8217480

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69434174T Expired - Fee Related DE69434174T2 (de) 1994-12-22 1994-12-22 Prozessor für Trägerrückgewinnung

Country Status (6)

Country Link
US (1) US5657355A (de)
EP (1) EP0719002B1 (de)
AU (1) AU691054B2 (de)
CA (1) CA2162327A1 (de)
DE (1) DE69434174T2 (de)
IL (1) IL115795A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2319703A (en) * 1996-11-02 1998-05-27 Plessey Telecomm AFC in a DMT receiver
GB2320864B (en) * 1996-12-31 2001-07-11 Nokia Mobile Phones Ltd Signal Offset Elimination
US5933421A (en) 1997-02-06 1999-08-03 At&T Wireless Services Inc. Method for frequency division duplex communications
US6501771B2 (en) * 1997-02-11 2002-12-31 At&T Wireless Services, Inc. Delay compensation
US6408016B1 (en) * 1997-02-24 2002-06-18 At&T Wireless Services, Inc. Adaptive weight update method and system for a discrete multitone spread spectrum communications system
US6584144B2 (en) * 1997-02-24 2003-06-24 At&T Wireless Services, Inc. Vertical adaptive antenna array for a discrete multitone spread spectrum communications system
US6359923B1 (en) * 1997-12-18 2002-03-19 At&T Wireless Services, Inc. Highly bandwidth efficient communications
JP3186665B2 (ja) * 1997-09-19 2001-07-11 三菱電機株式会社 位相推定回路および復調回路
US6487235B2 (en) 1998-08-24 2002-11-26 At&T Wireless Services, Inc. Delay compensation
US6546056B1 (en) * 1999-05-28 2003-04-08 3Com Corporation Timing recovery in a multi-tone modem
US6738429B1 (en) * 1999-06-01 2004-05-18 Harris Corporation Decision-directed carrier frequency detector and method for QAM
DE60125506T2 (de) 2001-02-26 2007-10-04 Juniper Networks, Inc., Sunnyvale Schätzung eines Frequenzversatzes, zur Anwendung bei kurzen Datenbursts
US7233634B1 (en) * 2003-03-27 2007-06-19 Nortel Networks Limited Maximum likelihood decoding
EP3328873A4 (de) 2015-07-28 2019-04-10 Caris Science, Inc. Gezielte oligonukleotide

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571550A (en) * 1984-06-22 1986-02-18 Rockwell International Corporation QAM Demodulator carrier recovery loop using n-m LSB's
US4648100A (en) * 1985-03-28 1987-03-03 At&T Bell Laboratories Carrier recovery circuit
FR2581277A1 (fr) * 1985-04-30 1986-10-31 Labo Electronique Physique Circuit de recuperation de l'onde porteuse de systemes de transmissions numeriques
US4679227A (en) * 1985-05-20 1987-07-07 Telebit Corporation Ensemble modem structure for imperfect transmission media
FR2621188B1 (fr) * 1987-09-25 1989-12-29 Labo Electronique Physique Circuit de recuperation de l'onde porteuse de systemes de transmissions numeriques
DE4216156C1 (de) * 1992-05-15 1993-08-19 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De

Also Published As

Publication number Publication date
CA2162327A1 (en) 1996-06-23
EP0719002B1 (de) 2004-12-08
EP0719002A1 (de) 1996-06-26
IL115795A (en) 1998-12-27
IL115795A0 (en) 1996-01-19
AU4041495A (en) 1996-06-27
DE69434174T2 (de) 2005-06-02
AU691054B2 (en) 1998-05-07
US5657355A (en) 1997-08-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALCATEL LUCENT, PARIS, FR

8339 Ceased/non-payment of the annual fee