SE462943B - Saett och anordning foer frekvensstyrning av en koherent radiomottagare - Google Patents

Saett och anordning foer frekvensstyrning av en koherent radiomottagare

Info

Publication number
SE462943B
SE462943B SE8900282A SE8900282A SE462943B SE 462943 B SE462943 B SE 462943B SE 8900282 A SE8900282 A SE 8900282A SE 8900282 A SE8900282 A SE 8900282A SE 462943 B SE462943 B SE 462943B
Authority
SE
Sweden
Prior art keywords
signal
sequence
analysis
viterbi
points
Prior art date
Application number
SE8900282A
Other languages
English (en)
Swedish (sv)
Other versions
SE8900282D0 (sv
Inventor
A K Raith
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
Publication of SE8900282D0 publication Critical patent/SE8900282D0/xx
Priority to SE8900282A priority Critical patent/SE462943B/sv
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to JP2502734A priority patent/JP2634319B2/ja
Priority to AT90850005T priority patent/ATE103445T1/de
Priority to DE69007506T priority patent/DE69007506T2/de
Priority to ES90850005T priority patent/ES2050419T3/es
Priority to AU49644/90A priority patent/AU619944B2/en
Priority to KR1019900702049A priority patent/KR960000608B1/ko
Priority to EP90850005A priority patent/EP0381637B1/fr
Priority to DK90850005.1T priority patent/DK0381637T3/da
Priority to FI904710A priority patent/FI904710A7/fi
Priority to PCT/SE1990/000007 priority patent/WO1990009070A1/fr
Priority to MYPI90000019A priority patent/MY104867A/en
Priority to NZ232081A priority patent/NZ232081A/en
Priority to IE18190A priority patent/IE64267B1/en
Priority to CA002007973A priority patent/CA2007973C/fr
Priority to US07/469,082 priority patent/US5093848A/en
Priority to CN90100497A priority patent/CN1020532C/zh
Priority to PT92981A priority patent/PT92981B/pt
Priority to NO903992A priority patent/NO301919B1/no
Publication of SE462943B publication Critical patent/SE462943B/sv
Priority to SG84094A priority patent/SG84094G/en
Priority to HK78494A priority patent/HK78494A/en

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

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)
  • Radio Relay Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Steroid Compounds (AREA)
  • Noise Elimination (AREA)
SE8900282A 1989-01-26 1989-01-26 Saett och anordning foer frekvensstyrning av en koherent radiomottagare SE462943B (sv)

Priority Applications (21)

Application Number Priority Date Filing Date Title
SE8900282A SE462943B (sv) 1989-01-26 1989-01-26 Saett och anordning foer frekvensstyrning av en koherent radiomottagare
PCT/SE1990/000007 WO1990009070A1 (fr) 1989-01-26 1990-01-04 Procede de regulation de la frequence d'un recepteur radio coherent et appareil de realisation dudit procede
ES90850005T ES2050419T3 (es) 1989-01-26 1990-01-04 Un metodo para controlar la frecuencia de un radiorreceptor coherente y un aparato para llevar a cabo el metodo.
AT90850005T ATE103445T1 (de) 1989-01-26 1990-01-04 Methode zur steuerung der frequenz eines kohaerenten radioempfaengers und geraet zur ausfuehrung der methode.
DE69007506T DE69007506T2 (de) 1989-01-26 1990-01-04 Methode zur Steuerung der Frequenz eines kohärenten Radioempfängers und Gerät zur Ausführung der Methode.
JP2502734A JP2634319B2 (ja) 1989-01-26 1990-01-04 コヒーレント無線受信機の周波数制御方法及びその方法を実施する装置
AU49644/90A AU619944B2 (en) 1989-01-26 1990-01-04 A method of controlling the frequency of a coherent radio receiver and apparatus for carrying out the method
KR1019900702049A KR960000608B1 (ko) 1989-01-26 1990-01-04 코히어런트 무선수신기의 주파수 제어방법 및 그 방법을 실시하는 장치
EP90850005A EP0381637B1 (fr) 1989-01-26 1990-01-04 Une méthode pour la régulation de la fréquence d'un poste de radio cohérent et dispositif pour l'opération de la méthode
DK90850005.1T DK0381637T3 (da) 1989-01-26 1990-01-04 Fremgangsmåde til styring af frekvensen i en kohærent radiomodtager og apparat til udøvelse af fremgangsmåden
FI904710A FI904710A7 (fi) 1989-01-26 1990-01-04 Menetelmä koherentin radiovastaanottimen taajuusohjausta varten ja lai te menetelmän toteuttamiseksi
MYPI90000019A MY104867A (en) 1989-01-26 1990-01-08 A method of controlling the frequency of a coherent radio receiver and apparatus for carrying out the method.
NZ232081A NZ232081A (en) 1989-01-26 1990-01-11 Digital coherent radio receiver with adaptive viterbi analyser
IE18190A IE64267B1 (en) 1989-01-26 1990-01-17 A method of controlling the frequency of a coherent radio receiver and apparatus for carrying out the method
CA002007973A CA2007973C (fr) 1989-01-26 1990-01-17 Methode et appareil pour controler la frequence d'un recepteur radio coherent
US07/469,082 US5093848A (en) 1989-01-26 1990-01-23 Method of controlling the frequency of a coherent radio receiver and apparatus for carrying out the method
CN90100497A CN1020532C (zh) 1989-01-26 1990-01-25 控制相干无线电接收机频率的方法及其设备
PT92981A PT92981B (pt) 1989-01-26 1990-01-26 Processo de controlar a frequencia de um receptor radio coerente e disposicao para realizar o processo
NO903992A NO301919B1 (no) 1989-01-26 1990-09-13 Fremgangsmåte for styring av frekvensen i en koherent radiomottager samt apparat for utförelse av fremgangsmåten
SG84094A SG84094G (en) 1989-01-26 1994-06-28 A method of controlling the frequency of a coherent radio receiver and apparatus for carrying out the method
HK78494A HK78494A (en) 1989-01-26 1994-08-04 A method of 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
SE8900282A SE462943B (sv) 1989-01-26 1989-01-26 Saett och anordning foer frekvensstyrning av en koherent radiomottagare

Publications (2)

Publication Number Publication Date
SE8900282D0 SE8900282D0 (sv) 1989-01-26
SE462943B true SE462943B (sv) 1990-09-17

Family

ID=20374869

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8900282A SE462943B (sv) 1989-01-26 1989-01-26 Saett och anordning foer frekvensstyrning av en koherent radiomottagare

Country Status (21)

Country Link
US (1) US5093848A (fr)
EP (1) EP0381637B1 (fr)
JP (1) JP2634319B2 (fr)
KR (1) KR960000608B1 (fr)
CN (1) CN1020532C (fr)
AT (1) ATE103445T1 (fr)
AU (1) AU619944B2 (fr)
CA (1) CA2007973C (fr)
DE (1) DE69007506T2 (fr)
DK (1) DK0381637T3 (fr)
ES (1) ES2050419T3 (fr)
FI (1) FI904710A7 (fr)
HK (1) HK78494A (fr)
IE (1) IE64267B1 (fr)
MY (1) MY104867A (fr)
NO (1) NO301919B1 (fr)
NZ (1) NZ232081A (fr)
PT (1) PT92981B (fr)
SE (1) SE462943B (fr)
SG (1) SG84094G (fr)
WO (1) WO1990009070A1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE462942B (sv) * 1989-01-26 1990-09-17 Ericsson Telefon Ab L M Saett och anordning foer snabb 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
US5263026A (en) * 1991-06-27 1993-11-16 Hughes Aircraft Company Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver
FI96257C (fi) * 1994-04-13 1996-05-27 Nokia Telecommunications Oy Menetelmä radiotaajuisen signaalin vaihevirheen määrittämiseksi, sekä vastaanotin
US5515345A (en) * 1994-08-23 1996-05-07 Jeane K. Barreira Control unit for automobile audio system
AU692600B2 (en) * 1994-09-12 1998-06-11 Scientific-Atlanta, Inc. Cable television apparatus employing two-way communication
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
US6118807A (en) * 1994-12-23 2000-09-12 Intermec Ip Corp. Methodology for received signal enhancement utilizing delay diversity processing
US5757855A (en) * 1995-11-29 1998-05-26 David Sarnoff Research Center, Inc. Data detection for partial response channels
US6185259B1 (en) 1996-06-12 2001-02-06 Ericsson Inc. Transmitter/receiver for GMSK and offset-QAM
FI102578B (fi) * 1996-11-27 1998-12-31 Nokia Telecommunications Oy Menetelmä taajuuseron mittaamiseksi ja vastaanotin
US6205183B1 (en) 1998-05-29 2001-03-20 Ericsson Inc. Methods of suppressing reference oscillator harmonic interference and related receivers
US6519300B1 (en) * 1998-11-12 2003-02-11 Ericsson Inc. System and method for automatic frequency correction in a pilot symbol assisted demodulator
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
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
JP3633497B2 (ja) * 2001-03-22 2005-03-30 三菱電機株式会社 周波数誤差推定を行う受信機および周波数誤差の推定方法
CN102316287B (zh) * 2010-07-09 2014-05-07 北京创毅视讯科技有限公司 一种解调模拟电视信号的方法和装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
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
FR2525055A1 (fr) * 1982-04-09 1983-10-14 Trt Telecom Radio Electr Procede de correction de frequence de la porteuse locale dans le recepteur d'un systeme de transmission de donnees et recepteur utilisant ce procede
US4578080A (en) * 1982-09-06 1986-03-25 Helal Basil H Joint prostheses
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
SE462942B (sv) * 1989-01-26 1990-09-17 Ericsson Telefon Ab L M Saett och anordning foer snabb frekvensstyrning av en koherent radiomottagare

Also Published As

Publication number Publication date
FI904710A0 (fi) 1990-09-25
FI904710A7 (fi) 1990-09-25
IE64267B1 (en) 1995-07-26
NO903992L (no) 1990-09-13
PT92981B (pt) 1997-12-31
KR910700577A (ko) 1991-03-15
HK78494A (en) 1994-08-12
AU4964490A (en) 1990-08-24
DE69007506T2 (de) 1994-06-30
JPH03503831A (ja) 1991-08-22
NO301919B1 (no) 1997-12-22
NO903992D0 (no) 1990-09-13
SG84094G (en) 1994-11-25
JP2634319B2 (ja) 1997-07-23
KR960000608B1 (ko) 1996-01-09
MY104867A (en) 1994-06-30
SE8900282D0 (sv) 1989-01-26
NZ232081A (en) 1992-11-25
CN1020532C (zh) 1993-05-05
ATE103445T1 (de) 1994-04-15
DE69007506D1 (de) 1994-04-28
DK0381637T3 (da) 1994-08-01
ES2050419T3 (es) 1994-05-16
EP0381637B1 (fr) 1994-03-23
CN1044561A (zh) 1990-08-08
EP0381637A1 (fr) 1990-08-08
IE900181L (en) 1990-07-26
US5093848A (en) 1992-03-03
CA2007973C (fr) 1996-11-05
PT92981A (pt) 1990-07-31
CA2007973A1 (fr) 1990-07-26
WO1990009070A1 (fr) 1990-08-09
AU619944B2 (en) 1992-02-06

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