GB2092415B - Digital communication system - Google Patents

Digital communication system

Info

Publication number
GB2092415B
GB2092415B GB8202128A GB8202128A GB2092415B GB 2092415 B GB2092415 B GB 2092415B GB 8202128 A GB8202128 A GB 8202128A GB 8202128 A GB8202128 A GB 8202128A GB 2092415 B GB2092415 B GB 2092415B
Authority
GB
United Kingdom
Prior art keywords
communication system
digital communication
digital
communication
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
GB8202128A
Other versions
GB2092415A (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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB8202128A priority Critical patent/GB2092415B/en
Publication of GB2092415A publication Critical patent/GB2092415A/en
Application granted granted Critical
Publication of GB2092415B publication Critical patent/GB2092415B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
GB8202128A 1981-01-29 1982-01-26 Digital communication system Expired GB2092415B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8202128A GB2092415B (en) 1981-01-29 1982-01-26 Digital communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8102714 1981-01-29
GB8202128A GB2092415B (en) 1981-01-29 1982-01-26 Digital communication system

Publications (2)

Publication Number Publication Date
GB2092415A GB2092415A (en) 1982-08-11
GB2092415B true GB2092415B (en) 1984-12-19

Family

ID=26278265

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8202128A Expired GB2092415B (en) 1981-01-29 1982-01-26 Digital communication system

Country Status (1)

Country Link
GB (1) GB2092415B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161344A (en) * 1984-07-06 1986-01-08 Philips Electronic Associated Transmission of digital data
GB2165724B (en) * 1984-10-13 1988-05-11 Stc Plc Remote meter reading
GB8912337D0 (en) * 1989-05-30 2000-08-23 Secr Defence A wideband high frequency covert communications system
GB9425801D0 (en) * 1994-12-21 1995-02-22 Secr Defence High integrity modem for high frequency communications
US6442105B1 (en) * 1995-02-09 2002-08-27 Baker Hughes Incorporated Acoustic transmission system

Also Published As

Publication number Publication date
GB2092415A (en) 1982-08-11

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20020125