SE462942B - Saett och anordning foer snabb frekvensstyrning av en koherent radiomottagare - Google Patents

Saett och anordning foer snabb frekvensstyrning av en koherent radiomottagare

Info

Publication number
SE462942B
SE462942B SE8900281A SE8900281A SE462942B SE 462942 B SE462942 B SE 462942B SE 8900281 A SE8900281 A SE 8900281A SE 8900281 A SE8900281 A SE 8900281A SE 462942 B SE462942 B SE 462942B
Authority
SE
Sweden
Prior art keywords
signal
sequence
state
viterbi
points
Prior art date
Application number
SE8900281A
Other languages
English (en)
Swedish (sv)
Other versions
SE8900281L (sv
SE8900281D0 (sv
Inventor
Dent P Wilkinson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE8900281A priority Critical patent/SE462942B/sv
Publication of SE8900281D0 publication Critical patent/SE8900281D0/xx
Priority to ES90850004T priority patent/ES2050418T3/es
Priority to PCT/SE1990/000006 priority patent/WO1990009069A1/fr
Priority to AU48499/90A priority patent/AU621183B2/en
Priority to KR1019900701978A priority patent/KR960000607B1/ko
Priority to DE69007505T priority patent/DE69007505T2/de
Priority to EP90850004A priority patent/EP0381636B1/fr
Priority to AT90850004T priority patent/ATE103444T1/de
Priority to DK90850004.4T priority patent/DK0381636T3/da
Priority to JP2502059A priority patent/JPH0710073B2/ja
Priority to MYPI90000020A priority patent/MY104866A/en
Priority to CA002007325A priority patent/CA2007325C/fr
Priority to NZ232080A priority patent/NZ232080A/xx
Priority to IE18290A priority patent/IE64210B1/en
Priority to US07/468,941 priority patent/US5136616A/en
Priority to CN90100492A priority patent/CN1020531C/zh
Priority to PT92980A priority patent/PT92980B/pt
Publication of SE8900281L publication Critical patent/SE8900281L/
Priority to NO903942A priority patent/NO301918B1/no
Publication of SE462942B publication Critical patent/SE462942B/sv
Priority to FI904709A priority patent/FI904709A0/fi
Priority to SG83994A priority patent/SG83994G/en
Priority to HK75494A priority patent/HK75494A/xx

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
    • 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
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2338—Demodulator circuits; Receiver circuits using non-coherent demodulation using sampling
    • 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
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Error Detection And Correction (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Circuits Of Receivers In General (AREA)
  • Noise Elimination (AREA)
  • Radio Relay Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Transceivers (AREA)
  • Superheterodyne Receivers (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Steroid Compounds (AREA)
SE8900281A 1989-01-26 1989-01-26 Saett och anordning foer snabb frekvensstyrning av en koherent radiomottagare SE462942B (sv)

Priority Applications (21)

Application Number Priority Date Filing Date Title
SE8900281A SE462942B (sv) 1989-01-26 1989-01-26 Saett och anordning foer snabb frekvensstyrning av en koherent radiomottagare
ES90850004T ES2050418T3 (es) 1989-01-26 1990-01-04 Un metodo para controlar rapidamente la frecuencia de un radiorreceptor coherente y un aparato para llevar a cabo el metodo.
PCT/SE1990/000006 WO1990009069A1 (fr) 1989-01-26 1990-01-04 Procede de regulation rapide de la frequence d'un recepteur radio coherent et appareil de realisation dudit procede
AU48499/90A AU621183B2 (en) 1989-01-26 1990-01-04 A method of rapidly controlling the frequency of a coherent radio receiver and apparatus for carrying out the method
KR1019900701978A KR960000607B1 (ko) 1989-01-26 1990-01-04 코우히어런트 무선수신기의 주파수를 급속하게 제어하는 방법 및 그 방법을 실시하기 위한 장치
DE69007505T DE69007505T2 (de) 1989-01-26 1990-01-04 Verfahren zur schnellen Einstellung der Frequenz eines kohärenten Radioempfängers und Gerät zur Durchführung des Verfahrens.
EP90850004A EP0381636B1 (fr) 1989-01-26 1990-01-04 Méthode pour la régulation rapide de la fréquence d'un poste de radio cohérent et dispositif de mise en oeuvre de la méthode
AT90850004T ATE103444T1 (de) 1989-01-26 1990-01-04 Verfahren zur schnellen einstellung der frequenz eines kohaerenten radioempfaengers und geraet zur durchfuehrung des verfahrens.
DK90850004.4T DK0381636T3 (da) 1989-01-26 1990-01-04 Fremgangsmåde til hurtig indstilling af frekvensen for en kohærent radiomodtager, og apparat til udøvelse af fremgangsmåden
JP2502059A JPH0710073B2 (ja) 1989-01-26 1990-01-04 コヒーレント無線受信機の周波数を急速に制御する方法及びその方法を実施するための装置
CA002007325A CA2007325C (fr) 1989-01-26 1990-01-08 Methode et appareil pour controler rapidement la frequence d'un recepteur radio coherent
MYPI90000020A MY104866A (en) 1989-01-26 1990-01-08 A method of rapidly controlling the frequency of a coherent radio receiver and apparatus for carrying out the method.
NZ232080A NZ232080A (en) 1989-01-26 1990-01-11 Rapid frequency control for digital radio receiver
IE18290A IE64210B1 (en) 1989-01-26 1990-01-17 A method of rapidly controlling the frequency of a coherent radio receiver and apparatus for carrying out the method
US07/468,941 US5136616A (en) 1989-01-26 1990-01-23 Method of rapidly controlling the frequency of a coherent radio receiver and apparatus for carrying out the method
CN90100492A CN1020531C (zh) 1989-01-26 1990-01-25 迅速控制相干无线电接收机频率的方法及其设备
PT92980A PT92980B (pt) 1989-01-26 1990-01-26 Processo de controlar rapidamente a frequencia de um receptor radio coerente e disposicao para realizar o processo
NO903942A NO301918B1 (no) 1989-01-26 1990-09-10 Fremgangsmåte for rask frekvensstyring av en koherent radiomottager samt apparat for utförelse av fremgangsmåten
FI904709A FI904709A0 (fi) 1989-01-26 1990-09-25 Saett foer snabb frekvensstryrning av en koherent radiomottagare och en anordning foer utoevande av saettet.
SG83994A SG83994G (en) 1989-01-26 1994-06-28 A method of rapidly controlling the frequency of a coherent radio receiver and apparatus for carrying out the method
HK75494A HK75494A (en) 1989-01-26 1994-07-28 A method of rapidly controlling the frequency of a coherent radio receiver and apparatus for carrying out the method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8900281A SE462942B (sv) 1989-01-26 1989-01-26 Saett och anordning foer snabb frekvensstyrning av en koherent radiomottagare

Publications (3)

Publication Number Publication Date
SE8900281D0 SE8900281D0 (sv) 1989-01-26
SE8900281L SE8900281L (sv) 1990-07-27
SE462942B true SE462942B (sv) 1990-09-17

Family

ID=20374868

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8900281A SE462942B (sv) 1989-01-26 1989-01-26 Saett och anordning foer snabb frekvensstyrning av en koherent radiomottagare

Country Status (21)

Country Link
US (1) US5136616A (fr)
EP (1) EP0381636B1 (fr)
JP (1) JPH0710073B2 (fr)
KR (1) KR960000607B1 (fr)
CN (1) CN1020531C (fr)
AT (1) ATE103444T1 (fr)
AU (1) AU621183B2 (fr)
CA (1) CA2007325C (fr)
DE (1) DE69007505T2 (fr)
DK (1) DK0381636T3 (fr)
ES (1) ES2050418T3 (fr)
FI (1) FI904709A0 (fr)
HK (1) HK75494A (fr)
IE (1) IE64210B1 (fr)
MY (1) MY104866A (fr)
NO (1) NO301918B1 (fr)
NZ (1) NZ232080A (fr)
PT (1) PT92980B (fr)
SE (1) SE462942B (fr)
SG (1) SG83994G (fr)
WO (1) WO1990009069A1 (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE462943B (sv) * 1989-01-26 1990-09-17 Ericsson Telefon Ab L M Saett och anordning foer frekvensstyrning av en koherent radiomottagare
SE465245B (sv) * 1989-12-22 1991-08-12 Ericsson Telefon Ab L M Foerfarande att utfoera kanalestimering foer en faedande kanal vid oeverfoering av symbolsekvenser
US5241688A (en) * 1990-12-17 1993-08-31 Motorola, Inc. Frequency and time slot synchronizaton using adaptive filtering
FI89431C (fi) * 1991-05-14 1993-09-27 Nokia Mobile Phones Ltd Grovinstaellning av kanalfrekvensen
AU2276995A (en) * 1994-04-08 1995-10-30 Echelon Corporation Method and apparatus for robust communications based upon angular modulation
FI96257C (fi) * 1994-04-13 1996-05-27 Nokia Telecommunications Oy Menetelmä radiotaajuisen signaalin vaihevirheen määrittämiseksi, sekä vastaanotin
US5568518A (en) * 1994-09-14 1996-10-22 Ericsson Ge Mobile Communications Inc. Fast automatic gain control
US5586128A (en) * 1994-11-17 1996-12-17 Ericsson Ge Mobile Communications Inc. System for decoding digital data using a variable decision depth
US5568520A (en) * 1995-03-09 1996-10-22 Ericsson Inc. Slope drift and offset compensation in zero-IF receivers
DE19517405A1 (de) * 1995-05-16 1996-11-21 Thomson Brandt Gmbh Signalverarbeitungssystem für digitale Signale
JP3624547B2 (ja) * 1996-05-21 2005-03-02 ソニー株式会社 バースト信号受信方法及び装置
US6185259B1 (en) 1996-06-12 2001-02-06 Ericsson Inc. Transmitter/receiver for GMSK and offset-QAM
SE506847C2 (sv) * 1996-06-28 1998-02-16 Ericsson Telefon Ab L M Förfarande och anordning vid fasmodulerade signaler
US5884178A (en) * 1996-11-27 1999-03-16 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for estimating speed of a mobile station in a cellular communications system
US5878093A (en) * 1996-12-16 1999-03-02 Ericsson Inc. Interference rejection combining with frequency correction
US6320914B1 (en) 1996-12-18 2001-11-20 Ericsson Inc. Spectrally efficient modulation using overlapped GMSK
EP0895386B1 (fr) 1997-07-31 2003-01-29 Micronas Semiconductor Holding AG Circuit de régulation de porteuse pour un récepteur de signaux numériques
US6084862A (en) * 1997-09-26 2000-07-04 Telefonaktiebolaget Lm Ericsson Time dispersion measurement in radio communications systems
SE520420C2 (sv) * 1997-10-28 2003-07-08 Ericsson Telefon Ab L M Anordning samt förfarande för att identifiera batterityp samt för att mäta batteritemperatur
US6205183B1 (en) 1998-05-29 2001-03-20 Ericsson Inc. Methods of suppressing reference oscillator harmonic interference and related receivers
US6278867B1 (en) 1998-11-25 2001-08-21 Ericsson Inc. Methods and systems for frequency generation for wireless devices
US6567475B1 (en) 1998-12-29 2003-05-20 Ericsson Inc. Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols
US6680969B1 (en) 1999-03-22 2004-01-20 Ericsson, Inc. Methods for estimating doppler spreads including autocorrelation function hypotheses and related systems and receivers
US6270305B1 (en) * 1999-06-11 2001-08-07 Btu International, Inc. High temperature conveyor furnace with low friction conveyor travel surface
US6625236B1 (en) 2000-02-08 2003-09-23 Ericsson Inc. Methods and systems for decoding symbols by combining matched-filtered samples with hard symbol decisions
US6954489B2 (en) * 2001-01-02 2005-10-11 Telefonaktiebolaget L M Ericsson (Publ) Determining correlations of received sequences to multiple known sequences in a communications system
EP1587234A1 (fr) * 2004-04-14 2005-10-19 Deutsche Thomson-Brandt Gmbh Décodeur Viterbi adaptif
US20110200828A1 (en) * 2010-02-16 2011-08-18 Biocoat Incorporated Hydrophilic coatings for medical devices
EP2506516A1 (fr) 2011-03-31 2012-10-03 Alcatel Lucent Procédé pour décoder des signaux de données optiques
EP2538596B1 (fr) * 2011-06-21 2014-05-14 Alcatel Lucent Procédé de décodage d'un signal de données optique différentiellement modulé codé par phase

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Publication number Priority date Publication date Assignee Title
US4027250A (en) * 1975-10-21 1977-05-31 Lang Gordon R Apparatus and method for reducing effects of amplitude and phase jitter
FR2375773A1 (fr) * 1976-12-23 1978-07-21 Ibm France Procede et dispositif de detection de phase adaptatifs
US4151491A (en) * 1977-09-28 1979-04-24 Harris Corporation Technique for supplying reference for an adaptive equalizer when multiple phase signals are transmitted
FR2428946A1 (fr) * 1978-06-13 1980-01-11 Ibm France Procede et dispositif pour initialiser un egaliseur adaptatif a partir d'un signal de donnees inconnu dans un systeme de transmission utilisant la modulation d'amplitude en quadrature
US4234957A (en) * 1978-12-04 1980-11-18 Gte Automatic Electric Laboratories Incorporated Method and apparatus for generating timing phase error signals in PSK demodulators
FR2468258B1 (fr) * 1979-10-19 1987-06-26 Cit Alcatel Circuit de correction des bruits de phase pour un systeme de transmission
US4466108A (en) * 1981-10-06 1984-08-14 Communications Satellite Corporation TDMA/PSK Carrier synchronization without preamble
FR2546008B1 (fr) * 1983-05-11 1985-07-12 Labo Electronique Physique Circuit d'egalisation adaptative et de demodulation conjointes
IT1188626B (it) * 1986-03-25 1988-01-20 Gte Telecom Spa Metodo e dispositivo di equalizzazione adattiva cieca
NO163120C (no) * 1987-05-19 1990-04-04 Sintef Fremgangsmaate ved demodulasjon i digitale kommunikasjonssystemer med flerbane-propagasjon.
US4885757A (en) * 1987-06-01 1989-12-05 Texas Instruments Incorporated Digital adaptive receiver employing maximum-likelihood sequence estimation with neural networks
CA1288878C (fr) * 1988-08-15 1991-09-10 John D. Mcnicol Extraction sans sequence de synchronisation initiale du signal d'horloge etde la porteuse faisant partie d'un signal amrt
SE462943B (sv) * 1989-01-26 1990-09-17 Ericsson Telefon Ab L M Saett och anordning foer frekvensstyrning av en koherent radiomottagare

Also Published As

Publication number Publication date
EP0381636A1 (fr) 1990-08-08
NO301918B1 (no) 1997-12-22
KR910700576A (ko) 1991-03-15
DE69007505D1 (de) 1994-04-28
NO903942L (no) 1990-09-10
JPH0710073B2 (ja) 1995-02-01
PT92980A (pt) 1990-07-31
FI904709A0 (fi) 1990-09-25
ATE103444T1 (de) 1994-04-15
CN1020531C (zh) 1993-05-05
DK0381636T3 (da) 1994-07-25
SG83994G (en) 1994-11-25
EP0381636B1 (fr) 1994-03-23
AU621183B2 (en) 1992-03-05
HK75494A (en) 1994-08-05
PT92980B (pt) 1997-12-31
NZ232080A (en) 1992-11-25
CA2007325A1 (fr) 1990-07-26
KR960000607B1 (ko) 1996-01-09
NO903942D0 (no) 1990-09-10
US5136616A (en) 1992-08-04
JPH03503828A (ja) 1991-08-22
IE900182L (en) 1990-07-26
WO1990009069A1 (fr) 1990-08-09
IE64210B1 (en) 1995-07-26
CA2007325C (fr) 1996-04-23
AU4849990A (en) 1990-08-24
DE69007505T2 (de) 1994-06-30
CN1044560A (zh) 1990-08-08
SE8900281L (sv) 1990-07-27
ES2050418T3 (es) 1994-05-16
MY104866A (en) 1994-06-30
SE8900281D0 (sv) 1989-01-26

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