JPS5549054A - Coding communication system - Google Patents

Coding communication system

Info

Publication number
JPS5549054A
JPS5549054A JP12292378A JP12292378A JPS5549054A JP S5549054 A JPS5549054 A JP S5549054A JP 12292378 A JP12292378 A JP 12292378A JP 12292378 A JP12292378 A JP 12292378A JP S5549054 A JPS5549054 A JP S5549054A
Authority
JP
Japan
Prior art keywords
code
length
external
internal
alpha
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.)
Pending
Application number
JP12292378A
Other languages
Japanese (ja)
Inventor
Moichi Hirasawa
Yasuo Sugiyama
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP12292378A priority Critical patent/JPS5549054A/en
Publication of JPS5549054A publication Critical patent/JPS5549054A/en
Pending 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0052—Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Correction Of Errors (AREA)
  • Error Detection And Correction (AREA)

Abstract

PURPOSE:To simplify decoding by making an external code and internal code into power-element codes of the same prime number ''q'' and then by adequately selecting its parameter. CONSTITUTION:External coding process 2 where a check code is added to an information code of ''k'' in length by a ''q''-element code to obtain an external code of ''n'' in length, and internal coding process 3 where another check code is added to the informaton code of ''k'' in length obtained by diving the external code into several so as to obtain an internal code of ''N'' in length are both performed. Then, the information is outputted to communication line 4 under conditions of q<k>=n<alpha> and 0<alpha<=1. Consequently, decoding process at a reception side can be simplified.
JP12292378A 1978-10-04 1978-10-04 Coding communication system Pending JPS5549054A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12292378A JPS5549054A (en) 1978-10-04 1978-10-04 Coding communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12292378A JPS5549054A (en) 1978-10-04 1978-10-04 Coding communication system

Publications (1)

Publication Number Publication Date
JPS5549054A true JPS5549054A (en) 1980-04-08

Family

ID=14847943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12292378A Pending JPS5549054A (en) 1978-10-04 1978-10-04 Coding communication system

Country Status (1)

Country Link
JP (1) JPS5549054A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50129534A (en) * 1974-03-29 1975-10-13

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50129534A (en) * 1974-03-29 1975-10-13
JPS585888B2 (en) * 1974-03-29 1983-02-02 帝人株式会社 Dimethylnaphthalene

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