DE3783310D1 - Konvolutionskodierer. - Google Patents

Konvolutionskodierer.

Info

Publication number
DE3783310D1
DE3783310D1 DE8787114950T DE3783310T DE3783310D1 DE 3783310 D1 DE3783310 D1 DE 3783310D1 DE 8787114950 T DE8787114950 T DE 8787114950T DE 3783310 T DE3783310 T DE 3783310T DE 3783310 D1 DE3783310 D1 DE 3783310D1
Authority
DE
Germany
Prior art keywords
convolution encoder
convolution
encoder
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 - Fee Related
Application number
DE8787114950T
Other languages
English (en)
Other versions
DE3783310T2 (de
Inventor
Mitsuharu C O Nec Corpora Yano
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of DE3783310D1 publication Critical patent/DE3783310D1/de
Application granted granted Critical
Publication of DE3783310T2 publication Critical patent/DE3783310T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
DE8787114950T 1986-10-14 1987-10-13 Konvolutionskodierer. Expired - Fee Related DE3783310T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61242036A JP2521925B2 (ja) 1986-10-14 1986-10-14 畳み込み符号器

Publications (2)

Publication Number Publication Date
DE3783310D1 true DE3783310D1 (de) 1993-02-11
DE3783310T2 DE3783310T2 (de) 1993-04-15

Family

ID=17083317

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787114950T Expired - Fee Related DE3783310T2 (de) 1986-10-14 1987-10-13 Konvolutionskodierer.

Country Status (4)

Country Link
US (1) US4809277A (de)
EP (1) EP0264784B1 (de)
JP (1) JP2521925B2 (de)
DE (1) DE3783310T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6693951B1 (en) 1990-06-25 2004-02-17 Qualcomm Incorporated System and method for generating signal waveforms in a CDMA cellular telephone system
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5327441A (en) * 1991-12-16 1994-07-05 Nippon Telegraph And Telephone Corporation Method and circuit for decoding convolutional codes
CA2147087A1 (en) * 1995-04-13 1996-10-14 Guy Begin Method and apparatus for correcting and decoding a sequence of branches representing encoded data bits into estimated information bits
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
US5926500A (en) 1996-05-28 1999-07-20 Qualcomm Incorporated Reduced peak-to-average transmit power high data rate CDMA wireless communication system
US7006578B2 (en) * 2001-10-23 2006-02-28 Northrop Grumman Corporation Constellation mapping for modulated communications
US7853858B2 (en) 2006-12-28 2010-12-14 Intel Corporation Efficient CTC encoders and methods

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5929016B2 (ja) * 1976-04-09 1984-07-17 富士通株式会社 ランダム誤り訂正装置
JPS5625851A (en) * 1979-08-09 1981-03-12 Matsushita Electric Ind Co Ltd Coding method
NL7907141A (nl) * 1979-09-26 1981-03-30 Philips Nv Inrichting voor het behandelen van een informatiestroom met behulp van een foutenkorrigerende konvolutiekode en inrichting voor het detekteren van een daarbij alsnog onherstelbare fout.
US4700349A (en) * 1984-02-06 1987-10-13 Codex Corporation Coded modulation system
US4581601A (en) * 1984-06-25 1986-04-08 At&T Bell Laboratories Multi-dimensional coding for error reduction
US4682343A (en) * 1984-09-11 1987-07-21 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Processing circuit with asymmetry corrector and convolutional encoder for digital data
US4669084A (en) * 1985-05-23 1987-05-26 Harris Corporation Error correction processing scheme for sequential codec
US4761784A (en) * 1987-01-15 1988-08-02 Racal Data Communications Inc. Modem and method using multidimensional coded modulation

Also Published As

Publication number Publication date
US4809277A (en) 1989-02-28
JP2521925B2 (ja) 1996-08-07
EP0264784A2 (de) 1988-04-27
EP0264784B1 (de) 1992-12-30
JPS6397019A (ja) 1988-04-27
DE3783310T2 (de) 1993-04-15
EP0264784A3 (en) 1990-06-06

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Legal Events

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