FI945834A0 - Menetelmä kantoaallon palautuksen lukituksen menettämisen ilmaisemiseksi ja digitaalisen siirtoyhteyden Eb/No-suhteen määräämiseksi sekä menetelmän toteuttava laite - Google Patents

Menetelmä kantoaallon palautuksen lukituksen menettämisen ilmaisemiseksi ja digitaalisen siirtoyhteyden Eb/No-suhteen määräämiseksi sekä menetelmän toteuttava laite

Info

Publication number
FI945834A0
FI945834A0 FI945834A FI945834A FI945834A0 FI 945834 A0 FI945834 A0 FI 945834A0 FI 945834 A FI945834 A FI 945834A FI 945834 A FI945834 A FI 945834A FI 945834 A0 FI945834 A0 FI 945834A0
Authority
FI
Finland
Prior art keywords
determining
carrying
ratio
digital transmission
carrier recovery
Prior art date
Application number
FI945834A
Other languages
English (en)
Swedish (sv)
Other versions
FI945834A (fi
Inventor
Alain Fargues
Mani Kimiavi
Original Assignee
Alcatel Telspace
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 Telspace filed Critical Alcatel Telspace
Publication of FI945834A0 publication Critical patent/FI945834A0/fi
Publication of FI945834A publication Critical patent/FI945834A/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FI945834A 1993-12-15 1994-12-12 Menetelmä kantoaallon palautuksen lukituksen menettämisen ilmaisemiseksi ja digitaalisen siirtoyhteyden Eb/No-suhteen määräämiseksi sekä menetelmän toteuttava laite FI945834A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9315086A FR2713855B1 (fr) 1993-12-15 1993-12-15 Procédé de détection de décrochage de récupération de porteuse et de détermination du rapport EB/NO d'une liaison de transmission numérique et dispositif mettant en Óoeuvre ce procédé.

Publications (2)

Publication Number Publication Date
FI945834A0 true FI945834A0 (fi) 1994-12-12
FI945834A FI945834A (fi) 1995-06-16

Family

ID=9453969

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945834A FI945834A (fi) 1993-12-15 1994-12-12 Menetelmä kantoaallon palautuksen lukituksen menettämisen ilmaisemiseksi ja digitaalisen siirtoyhteyden Eb/No-suhteen määräämiseksi sekä menetelmän toteuttava laite

Country Status (6)

Country Link
US (1) US6108373A (fi)
EP (1) EP0658993B1 (fi)
DE (1) DE69425477T2 (fi)
ES (1) ES2150973T3 (fi)
FI (1) FI945834A (fi)
FR (1) FR2713855B1 (fi)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2323502B (en) * 1997-03-18 2002-03-27 Ericsson Telefon Ab L M Radio receiver
JP3017983B2 (ja) * 1997-11-19 2000-03-13 株式会社ケンウッド 同期捕捉回路
DE69838759T2 (de) * 1997-12-29 2008-10-30 Kabushiki Kaisha Kenwood Schaltung zum fangen eines rahmensynchronisiersignals in einem empfänger
US7310369B1 (en) * 2000-12-15 2007-12-18 Conexant Systems, Inc. SNR-related parameter estimation method and system
EP1672827B1 (en) * 2004-12-15 2009-02-11 Alcatel Lucent Noise measurement method and a related receiving digital subscriber line modem
US8743909B2 (en) * 2008-02-20 2014-06-03 Qualcomm Incorporated Frame termination
US8594252B2 (en) * 2005-08-22 2013-11-26 Qualcomm Incorporated Interference cancellation for wireless communications
US9014152B2 (en) 2008-06-09 2015-04-21 Qualcomm Incorporated Increasing capacity in wireless communications
US9071344B2 (en) 2005-08-22 2015-06-30 Qualcomm Incorporated Reverse link interference cancellation
US8630602B2 (en) * 2005-08-22 2014-01-14 Qualcomm Incorporated Pilot interference cancellation
US8611305B2 (en) 2005-08-22 2013-12-17 Qualcomm Incorporated Interference cancellation for wireless communications
US7526304B2 (en) * 2005-09-29 2009-04-28 Alcatel-Lucent Usa Inc. Method of increasing the capacity of enhanced data channel on uplink in a wireless communications system
US9277487B2 (en) 2008-08-01 2016-03-01 Qualcomm Incorporated Cell detection with interference cancellation
US9237515B2 (en) 2008-08-01 2016-01-12 Qualcomm Incorporated Successive detection and cancellation for cell pilot detection
US20100097955A1 (en) * 2008-10-16 2010-04-22 Qualcomm Incorporated Rate determination
US9160577B2 (en) * 2009-04-30 2015-10-13 Qualcomm Incorporated Hybrid SAIC receiver
US8787509B2 (en) 2009-06-04 2014-07-22 Qualcomm Incorporated Iterative interference cancellation receiver
US8831149B2 (en) 2009-09-03 2014-09-09 Qualcomm Incorporated Symbol estimation methods and apparatuses
WO2011063568A1 (en) 2009-11-27 2011-06-03 Qualcomm Incorporated Increasing capacity in wireless communications
WO2011063569A1 (en) 2009-11-27 2011-06-03 Qualcomm Incorporated Increasing capacity in wireless communications

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4381546A (en) * 1979-03-02 1983-04-26 Paradyne Corporation System for the quantitative measurement of impairments in the communication channel of a quadrature amplitude modulation data communication system
US4449222A (en) * 1981-11-23 1984-05-15 Rockwell International Corporation Digital modulation quality monitor
US4555790A (en) * 1983-06-30 1985-11-26 Betts William L Digital modem having a monitor for signal-to-noise ratio
US4633465A (en) * 1985-03-27 1986-12-30 At&T Bell Laboratories Eye violation detectors
US4773083A (en) * 1985-11-08 1988-09-20 Raytheon Company QPSK demodulator
US4827431A (en) * 1987-01-20 1989-05-02 General Datacomm, Inc. Methods and systems for the simultaneous quantitative measurement of phase and amplitude jitter impairments and signal to noise ratio in a qam data communication channel
JPH0626343B2 (ja) * 1988-12-16 1994-04-06 日本電気株式会社 変復調装置のデータ伝送速度自動切替方式
JPH0377437A (ja) * 1989-08-19 1991-04-03 Fujitsu Ltd トランスバーサル等化による回線切替方式
US5438591A (en) * 1991-07-31 1995-08-01 Kabushiki Kaisha Toshiba Quadrature amplitude modulation type digital radio communication device and method for preventing abnormal synchronization in demodulation system
CA2056679C (en) * 1991-11-29 2002-02-12 Timothy Joseph Nohara Automatic monitoring of digital communication channel conditions using eye patterns
US5440582A (en) * 1993-05-28 1995-08-08 Motorola, Inc. Method and apparatus for determining signal usability
US5440590A (en) * 1993-11-01 1995-08-08 Motorola, Inc. Method and apparatus for producing a usable signal from received diverse modulated signals

Also Published As

Publication number Publication date
EP0658993A1 (fr) 1995-06-21
FI945834A (fi) 1995-06-16
US6108373A (en) 2000-08-22
FR2713855A1 (fr) 1995-06-16
EP0658993B1 (fr) 2000-08-09
ES2150973T3 (es) 2000-12-16
DE69425477D1 (de) 2000-09-14
FR2713855B1 (fr) 1996-01-19
DE69425477T2 (de) 2001-04-05

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