DE69937951D1 - Verfahren und einrichtung zur erfassung einer ersten träger und symbolphasenschätzung zur verwendung beim synchronisieren von gesendeten daten - Google Patents

Verfahren und einrichtung zur erfassung einer ersten träger und symbolphasenschätzung zur verwendung beim synchronisieren von gesendeten daten

Info

Publication number
DE69937951D1
DE69937951D1 DE69937951T DE69937951T DE69937951D1 DE 69937951 D1 DE69937951 D1 DE 69937951D1 DE 69937951 T DE69937951 T DE 69937951T DE 69937951 T DE69937951 T DE 69937951T DE 69937951 D1 DE69937951 D1 DE 69937951D1
Authority
DE
Germany
Prior art keywords
symbol phase
synchronization
detecting
support
sent data
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
DE69937951T
Other languages
English (en)
Other versions
DE69937951T2 (de
Inventor
Soheil I Sayegh
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.)
Viasat Inc
Original Assignee
Viasat 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
Application filed by Viasat Inc filed Critical Viasat Inc
Publication of DE69937951D1 publication Critical patent/DE69937951D1/de
Application granted granted Critical
Publication of DE69937951T2 publication Critical patent/DE69937951T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/233Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/04Speed or phase control by synchronisation signals
    • H04L7/041Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042Detectors therefor, e.g. correlators, state machines
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0083Signalling arrangements
    • H04L2027/0089In-band signals
    • H04L2027/0091Continuous signals

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)
  • Mobile Radio Communication Systems (AREA)
DE69937951T 1998-05-13 1999-05-13 Verfahren und einrichtung zur erfassung einer ersten träger und symbolphasenschätzung zur verwendung beim synchronisieren von gesendeten daten Expired - Lifetime DE69937951T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US76762 1998-05-13
US09/076,762 US6075826A (en) 1998-05-13 1998-05-13 Method and apparatus for obtaining initial carrier and symbol phase estimates for use in synchronizing transmitting data
PCT/US1999/010319 WO1999059307A1 (en) 1998-05-13 1999-05-13 Method and apparatus for obtaining initial carrier and symbol phase estimates for use in synchronizing transmitted data

Publications (2)

Publication Number Publication Date
DE69937951D1 true DE69937951D1 (de) 2008-02-21
DE69937951T2 DE69937951T2 (de) 2009-01-02

Family

ID=22134028

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69937951T Expired - Lifetime DE69937951T2 (de) 1998-05-13 1999-05-13 Verfahren und einrichtung zur erfassung einer ersten träger und symbolphasenschätzung zur verwendung beim synchronisieren von gesendeten daten

Country Status (7)

Country Link
US (1) US6075826A (de)
EP (1) EP1084553B1 (de)
AT (1) ATE383704T1 (de)
CA (1) CA2331675C (de)
DE (1) DE69937951T2 (de)
IL (2) IL139630A0 (de)
WO (1) WO1999059307A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040090983A1 (en) * 1999-09-10 2004-05-13 Gehring Stephan W. Apparatus and method for managing variable-sized data slots within a time division multiple access frame
US7023833B1 (en) * 1999-09-10 2006-04-04 Pulse-Link, Inc. Baseband wireless network for isochronous communication
US8170585B2 (en) * 2007-11-14 2012-05-01 Andrew, Llc Ranging in UMTS networks
US8073463B2 (en) 2008-10-06 2011-12-06 Andrew, Llc System and method of UMTS UE location using uplink dedicated physical control channel and downlink synchronization channel

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4313205A (en) * 1980-07-07 1982-01-26 Communications Satellite Corporation Carrier synchronization and symbol synchronization for offset-QPSK burst communications
JP2724145B2 (ja) * 1987-03-24 1998-03-09 株式会社日立製作所 搬送波再生装置
FR2615675B1 (fr) * 1987-05-21 1989-06-30 Alcatel Espace Procede de demodulation de signaux modules numeriquement et dispositif de mise en oeuvre d'un tel procede
US4847869A (en) * 1987-12-04 1989-07-11 Motorla, Inc. Rapid reference acquisition and phase error compensation for radio transmission of data
DE3903944A1 (de) * 1989-02-10 1990-10-11 Johannes Dr Ing Huber Symboltakt- und traegerphasensynchronisationsverfahren fuer kohaerente digitalsignalempfaenger mit mehrdimensionaler signalrepraesentation
US5001727A (en) * 1989-02-15 1991-03-19 Terra Marine Engineering, Inc. Carrier and data recovery and demodulation system
US5131008A (en) * 1989-04-28 1992-07-14 Motorola, Inc. DSP-based GMSK coherent detector
US5170415A (en) * 1989-06-14 1992-12-08 Nec Corporation Burst demodulator for establishing carrier and clock timing from a sequence of alternating symbols
US5214674A (en) * 1991-01-25 1993-05-25 Comsat Method and apparatus for carrier synchronization acquisition in a digital burst mode communication system
US5272446A (en) * 1991-11-29 1993-12-21 Comsat Digitally implemented fast frequency estimator/demodulator for low bit rate maritime and mobile data communications without the use of an acquisition preamble

Also Published As

Publication number Publication date
EP1084553B1 (de) 2008-01-09
CA2331675A1 (en) 1999-11-18
ATE383704T1 (de) 2008-01-15
US6075826A (en) 2000-06-13
WO1999059307A1 (en) 1999-11-18
WO1999059307A8 (en) 2000-01-27
CA2331675C (en) 2004-07-27
EP1084553A4 (de) 2005-06-08
IL139630A0 (en) 2002-02-10
IL139630A (en) 2009-08-03
EP1084553A1 (de) 2001-03-21
DE69937951T2 (de) 2009-01-02

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