DE3171082D1 - Process and device for the control of the initial adjustment of the clock of a receiver for synchronous data - Google Patents

Process and device for the control of the initial adjustment of the clock of a receiver for synchronous data

Info

Publication number
DE3171082D1
DE3171082D1 DE8181101072T DE3171082T DE3171082D1 DE 3171082 D1 DE3171082 D1 DE 3171082D1 DE 8181101072 T DE8181101072 T DE 8181101072T DE 3171082 T DE3171082 T DE 3171082T DE 3171082 D1 DE3171082 D1 DE 3171082D1
Authority
DE
Germany
Prior art keywords
clock
receiver
control
synchronous data
initial adjustment
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
Application number
DE8181101072T
Other languages
English (en)
Inventor
Dominique Noel Godard
Michel Yves Quintin
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3171082D1 publication Critical patent/DE3171082D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • 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
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE8181101072T 1980-03-19 1981-02-16 Process and device for the control of the initial adjustment of the clock of a receiver for synchronous data Expired DE3171082D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8006542A FR2478914B1 (fr) 1980-03-19 1980-03-19 Procede et dispositif pour l'ajustement initial de l'horloge d'un recepteur de donnees synchrone

Publications (1)

Publication Number Publication Date
DE3171082D1 true DE3171082D1 (en) 1985-08-01

Family

ID=9240030

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181101072T Expired DE3171082D1 (en) 1980-03-19 1981-02-16 Process and device for the control of the initial adjustment of the clock of a receiver for synchronous data

Country Status (6)

Country Link
US (1) US4320517A (de)
EP (1) EP0036084B1 (de)
JP (1) JPS56144657A (de)
CA (1) CA1167947A (de)
DE (1) DE3171082D1 (de)
FR (1) FR2478914B1 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2496363A1 (fr) * 1980-12-12 1982-06-18 Cit Alcatel Procede et dispositif de detection de la sequence d'apprentissage d'un egaliseur auto-adaptatif
JPS57173232A (en) * 1981-04-17 1982-10-25 Hitachi Ltd Automatic equalizer
EP0082901B1 (de) * 1981-12-29 1985-03-27 International Business Machines Corporation Einrichtung zur Takt- und Datensynchronisation in einem Übertragungssystem
JPS59246A (ja) * 1982-06-17 1984-01-05 Fujitsu Ltd トレ−ニング方式
US4606045A (en) * 1982-08-02 1986-08-12 Trw Inc. Method and apparatus for detecting an equalizer training period in a receiving-end modem
US4495617A (en) * 1982-09-09 1985-01-22 A.B. Dick Company Signal generation and synchronizing circuit for a decentralized ring network
FR2534754A1 (fr) * 1982-10-15 1984-04-20 Trt Telecom Radio Electr Recepteur pour modem de transmission de donnees, comportant un annuleur d'echo et un egaliseur
US4597089A (en) * 1983-07-11 1986-06-24 Hycom Incorporated Single pulse fast learn modem
EP0238100A3 (de) * 1983-09-21 1987-12-09 Trw Inc. Signal-Zugriffstechnik für einen Modulator-Demodulator
CA1238368A (en) * 1983-10-14 1988-06-21 Takayuki Ozaki Digital radio receiving apparatus
FR2554996B1 (fr) * 1983-11-14 1986-02-28 Labo Electronique Physique Procede et dispositif pour la determination de la position optimale du coefficient de reference d'un egaliseur adaptatif
US4575863A (en) * 1983-12-22 1986-03-11 Motorola, Inc. Fast recovery bias circuit
US4621366A (en) * 1984-02-22 1986-11-04 Universal Data Systems, Inc. Modem equalizer training using previously stored parameters
US4599732A (en) * 1984-04-17 1986-07-08 Harris Corporation Technique for acquiring timing and frequency synchronization for modem utilizing known (non-data) symbols as part of their normal transmitted data format
US4663766A (en) * 1984-10-10 1987-05-05 Paradyne Corporation Method of determining automatically the rate of data signals in a modem
US4675863A (en) * 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US4769816A (en) * 1985-11-08 1988-09-06 Raytheon Company Qpsk demodulator
US4773083A (en) * 1985-11-08 1988-09-20 Raytheon Company QPSK demodulator
US4745625A (en) * 1986-03-12 1988-05-17 Codex Corporation Transition detector
US4825448A (en) * 1986-08-07 1989-04-25 International Mobile Machines Corporation Subscriber unit for wireless digital telephone system
AU604797B2 (en) * 1986-12-27 1991-01-03 Sony Corporation Filter adjustment apparatus and method
DE3719659A1 (de) * 1987-06-12 1988-12-29 Standard Elektrik Lorenz Ag Einrichtung zur schnellen rahmen- und phasensynchronisation
GB8721159D0 (en) * 1987-09-09 1987-10-14 Philips Nv Adjusting filter coefficients
EP0472926A3 (en) * 1990-08-08 1993-04-21 National Semiconductor Corporation Method and apparatus for detecting repetitive sequences
US5309482A (en) * 1992-03-30 1994-05-03 Novatel Communications Ltd. Receiver having an adjustable matched filter
IT1259013B (it) * 1992-07-27 1996-03-11 Alcatel Italia Sistema demodulatore completamente digitale per segnalazioni qam in collegamenti di piccola capacita'
JP3693301B2 (ja) * 1993-05-07 2005-09-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 改善されたタイミング手段を有する受信機からなる送信方式
US5440347A (en) * 1993-05-07 1995-08-08 Philips Electronics North America Corporation Method and apparatus for randomizing training sequences to minimize interference in digital transmissions
US5504785A (en) * 1993-05-28 1996-04-02 Tv/Com Technologies, Inc. Digital receiver for variable symbol rate communications
US5546383A (en) * 1993-09-30 1996-08-13 Cooley; David M. Modularly clustered radiotelephone system
US5448571A (en) * 1994-04-26 1995-09-05 International Business Machines Corporation Method and apparatus for determining byte synchronization within a serial data receiver
US5692014A (en) * 1995-02-03 1997-11-25 Trw Inc. Subsampled carrier recovery for high data rate demodulators
JP3403849B2 (ja) * 1995-03-17 2003-05-06 富士通株式会社 多重無線装置の受信部に設けられるクロック位相検出回路及びクロック再生回路
US5809086A (en) * 1996-03-20 1998-09-15 Lucent Technologies Inc. Intelligent timing recovery for a broadband adaptive equalizer
US5870438A (en) * 1996-09-26 1999-02-09 Rockwell Int'l. Corp. Fast resynchronization system for high-speed data transmission
US10911061B2 (en) * 2018-03-23 2021-02-02 The Boeing Company System and method for demodulation of resolver outputs
US10913550B2 (en) 2018-03-23 2021-02-09 The Boeing Company System and method for position and speed feedback control
US10830591B2 (en) 2018-03-23 2020-11-10 The Boeing Company System and method for dual speed resolver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL171215C (nl) * 1973-03-09 1983-02-16 Trt Telecom Radio Electr Automatische egalisatie-inrichting voor een datatransmissiekanaal.
JPS5146047A (de) * 1974-10-18 1976-04-20 Nippon Electric Co
US3978407A (en) * 1975-07-23 1976-08-31 Codex Corporation Fast start-up adaptive equalizer communication system using two data transmission rates
FR2418584A1 (fr) * 1978-02-28 1979-09-21 Ibm France Procede et dispositif d'acquisition de la phase initiale de l'horloge dans un recepteur de donnees synchrone
FR2445078A1 (fr) * 1978-12-20 1980-07-18 Ibm France Procede et dispositif pour detecter une sequence pseudo-aleatoire de deux symboles dans un recepteur de donnees utilisant une modulation a double bande laterale-porteuses en quadrature

Also Published As

Publication number Publication date
JPS6147454B2 (de) 1986-10-20
EP0036084A1 (de) 1981-09-23
US4320517A (en) 1982-03-16
EP0036084B1 (de) 1985-06-26
JPS56144657A (en) 1981-11-11
FR2478914B1 (fr) 1986-01-31
CA1167947A (en) 1984-05-22
FR2478914A1 (fr) 1981-09-25

Similar Documents

Publication Publication Date Title
DE3171082D1 (en) Process and device for the control of the initial adjustment of the clock of a receiver for synchronous data
DE3175319D1 (en) Process for the automatic setting of radio clocks aided by time signals
JPS56140741A (en) Loop initial setting system
JPS56108990A (en) Chronograph clock
DE3162253D1 (en) Process and device for the synchronization of digital signals
GB8414418D0 (en) Clock synchronization device
JPS5779485A (en) Electronic watch
EP0119765A3 (en) Sampled-data 1-pd control apparatus
DE3061678D1 (en) Method and device for adjusting the phase of a local clock
GB8311449D0 (en) Frequency control device to align clock
GB2150720B (en) Method and apparatus for optimizing the timing of a clock signal
ZA801058B (en) Method of synchronizing a quadphase receiver and a clock synchronization device for carrying out the method
GB2095875B (en) Time read-out device for electronic clocks
DE3176450D1 (en) A method of producing a single crystal of ferrite
GB2112236B (en) Digital device for clock signal synchronization
JPS56134865A (en) Method of controlling clock phase of digital data receiver
DE3065472D1 (en) Data processing apparatus including a time of day clock
JPS57101896A (en) Electronic watch
DE3174836D1 (en) An adhesive containing starch and a process for producing it
DE3272767D1 (en) Time set apparatus for an electronic clock
JPS5714788A (en) Electronic quartz watch
JPS5748681A (en) Electronic watch
JPS57116549A (en) Frequency control device
AU5680480A (en) Clock recovery device
JPS56155989A (en) Electronic watch

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee