DE2962743D1 - Process and apparatus for detecting a pseudo-random sequence of two symbols in a data receiver using a double sideband modulation with quadrature carriers - Google Patents

Process and apparatus for detecting a pseudo-random sequence of two symbols in a data receiver using a double sideband modulation with quadrature carriers

Info

Publication number
DE2962743D1
DE2962743D1 DE7979104882T DE2962743T DE2962743D1 DE 2962743 D1 DE2962743 D1 DE 2962743D1 DE 7979104882 T DE7979104882 T DE 7979104882T DE 2962743 T DE2962743 T DE 2962743T DE 2962743 D1 DE2962743 D1 DE 2962743D1
Authority
DE
Germany
Prior art keywords
pseudo
symbols
detecting
data receiver
random sequence
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
DE7979104882T
Other languages
English (en)
Inventor
Dominique Noel Godard
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 DE2962743D1 publication Critical patent/DE2962743D1/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
    • H04L7/10—Arrangements for initial synchronisation
    • 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
    • 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
    • H04L7/043—Pseudo-noise [PN] codes variable during transmission
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE7979104882T 1978-12-20 1979-12-04 Process and apparatus for detecting a pseudo-random sequence of two symbols in a data receiver using a double sideband modulation with quadrature carriers Expired DE2962743D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7836581A FR2445078A1 (fr) 1978-12-20 1978-12-20 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

Publications (1)

Publication Number Publication Date
DE2962743D1 true DE2962743D1 (en) 1982-06-24

Family

ID=9216614

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979104882T Expired DE2962743D1 (en) 1978-12-20 1979-12-04 Process and apparatus for detecting a pseudo-random sequence of two symbols in a data receiver using a double sideband modulation with quadrature carriers

Country Status (5)

Country Link
US (1) US4253186A (de)
EP (1) EP0012884B1 (de)
JP (1) JPS5586249A (de)
DE (1) DE2962743D1 (de)
FR (1) FR2445078A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2478914B1 (fr) * 1980-03-19 1986-01-31 Ibm France Procede et dispositif pour l'ajustement initial de l'horloge d'un recepteur de donnees synchrone
FR2551454B1 (fr) * 1983-08-31 1986-06-27 Ugine Kuhlmann Compositions lubrifiantes contenant des fluorures de lithium, de calcium et/ou de baryum
EP0238100A3 (de) * 1983-09-21 1987-12-09 Trw Inc. Signal-Zugriffstechnik für einen Modulator-Demodulator
JPS6139633A (ja) * 1984-07-31 1986-02-25 Ricoh Co Ltd 等化システムの信号引込み方式
US4745625A (en) * 1986-03-12 1988-05-17 Codex Corporation Transition detector
US4759039A (en) * 1986-10-20 1988-07-19 American Telephone & Telegraph Company Simplified recovery of data signals from quadrature-related carrier signals
FR2606238B1 (fr) * 1986-10-31 1988-12-09 Trt Telecom Radio Electr Boucle a verrouillage de phase entierement numerique
US4884265A (en) * 1987-04-30 1989-11-28 Loral Corporation Digital demodulator for frequency-division-multiplexed signals
US4896336A (en) * 1988-08-29 1990-01-23 Rockwell International Corporation Differential phase-shift keying demodulator
JPH02162804A (ja) * 1988-12-16 1990-06-22 Nissan Motor Co Ltd 平板型アンテナ
JPH02100316U (de) * 1989-01-26 1990-08-09
FR2643765A1 (fr) * 1989-02-27 1990-08-31 Meuriche Bernard Dispositif de decomposition a cadence d'echantillonnage optimale d'un signal a bande passante en ses composantes sur deux porteuses en quadrature
US5067140A (en) * 1989-08-16 1991-11-19 Titan Linkabit Corporation Conversion of analog signal into i and q digital signals with enhanced image rejection
JPH03258147A (ja) * 1990-03-08 1991-11-18 Matsushita Electric Ind Co Ltd 非同期直交復調器
US5504785A (en) * 1993-05-28 1996-04-02 Tv/Com Technologies, Inc. Digital receiver for variable symbol rate communications

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1381314A (fr) * 1963-08-23 1964-12-14 Telecomm Radioelectriques & Te Procédés de synchronisation pour transmettre des signaux digitaux à travers des dispositifs de transmission non synchrone
US3443229A (en) * 1966-04-13 1969-05-06 Bell Telephone Labor Inc Quadrature-carrier vestigial-sideband data transmission
US3518680A (en) * 1967-10-02 1970-06-30 North American Rockwell Carrier phase lock apparatus using correlation between received quadrature phase components
GB1521029A (en) * 1975-09-19 1978-08-09 Post Office Synchronous digital systems
NL7605275A (nl) * 1976-05-18 1977-11-22 Philips Nv Data-ontvanger met synchroniseer-reeks-detec- tieketen.
US4100376A (en) * 1977-01-03 1978-07-11 Raytheon Company Pilot tone demodulator

Also Published As

Publication number Publication date
EP0012884A1 (de) 1980-07-09
EP0012884B1 (de) 1982-05-05
JPS5586249A (en) 1980-06-28
JPS6364103B2 (de) 1988-12-09
FR2445078B1 (de) 1981-09-11
US4253186A (en) 1981-02-24
FR2445078A1 (fr) 1980-07-18

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee