GB2063629B - Digital data transmission systems - Google Patents

Digital data transmission systems

Info

Publication number
GB2063629B
GB2063629B GB8036603A GB8036603A GB2063629B GB 2063629 B GB2063629 B GB 2063629B GB 8036603 A GB8036603 A GB 8036603A GB 8036603 A GB8036603 A GB 8036603A GB 2063629 B GB2063629 B GB 2063629B
Authority
GB
United Kingdom
Prior art keywords
data transmission
digital data
transmission systems
systems
digital
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
GB8036603A
Other versions
GB2063629A (en
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB8036603A priority Critical patent/GB2063629B/en
Publication of GB2063629A publication Critical patent/GB2063629A/en
Application granted granted Critical
Publication of GB2063629B publication Critical patent/GB2063629B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
    • 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

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)
GB8036603A 1979-11-16 1980-11-14 Digital data transmission systems Expired GB2063629B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8036603A GB2063629B (en) 1979-11-16 1980-11-14 Digital data transmission systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7939800 1979-11-16
GB8036603A GB2063629B (en) 1979-11-16 1980-11-14 Digital data transmission systems

Publications (2)

Publication Number Publication Date
GB2063629A GB2063629A (en) 1981-06-03
GB2063629B true GB2063629B (en) 1984-03-21

Family

ID=26273583

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8036603A Expired GB2063629B (en) 1979-11-16 1980-11-14 Digital data transmission systems

Country Status (1)

Country Link
GB (1) GB2063629B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3403714A1 (en) * 1984-02-03 1985-08-08 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt DIGITAL CELL RADIO SYSTEM WITH TIME MULTIPLEX
GB2202715B (en) * 1987-03-24 1991-03-20 Dr Frank Robert Connor Minimum relative shift keying
JP2552927B2 (en) * 1990-01-26 1996-11-13 三菱電機株式会社 Demodulator for π / 4 shift QPSK signal

Also Published As

Publication number Publication date
GB2063629A (en) 1981-06-03

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19951114