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Convolutional code

In telecommunication, a convolutional code is a type of error-correcting code that generates parity symbols via the sliding application of a boolean polynomial function to a data stream. The sliding application represents the 'convolution' of the encoder over the data, which gives rise to the term 'convolutional coding'. The sliding nature of the…

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Overview

History

Where convolutional codes are used

Convolutional encoding

Recursive and non-recursive codes

Impulse response, transfer function, and constraint length

Trellis diagram

Free distance and error distribution

Decoding convolutional codes

Popular convolutional codes

Punctured convolutional codes

Turbo codes: replacing convolutional codes

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Convolutional code

Nodes68
Edges67
Triples81
Avg. degree1.97
Density0.029412
Components1

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Convolutional code

Top relations

related to External links · 17
Convolutional code → Archived, Better Digital CommunicationsConvolutional, Chapter, Coding, Convolutional Decoders, David, ECC, Inference, Information Theory, Learning Algorithms, MacKay, MIT, PageMatlab, The, The Error Correcting Codes, TU Ilmenau, Wayback Machine
related to Decoding convolutional codes · 16
Convolutional code → CPUs, Fano, For, Jupiter, Longer, Pioneer, Reed, Saturn, Several, SIMD, Solomon, Such, Unlike Viterbi, Viterbi, Viterbi-decoded, VLSI
related to history · 11
Convolutional code → Andrew Viterbi, BCJR, Claude Berrou, Convolutional, In, It, Other, Peter Elias, Recursive, These, Viterbi
related to Where convolutional codes are used · 10
Convolutional code → Convolutional, EDGE, GPRS, GSM, Prior, Reed, Release, Shannon, Solomon, These
related to Punctured convolutional codes · 6
Convolutional code → Bits, Convolutional, For, It, Puncturing, The
related to Turbo codes: replacing convolutional codes · 6
Convolutional code → Concatenation, Reed, Shannon's, Simple Viterbi-decoded, Solomon, Viterbi
related to Free distance and error distribution · 5
Convolutional code → Hamming, It, Since, That, The
related to Popular convolutional codes · 5
Convolutional code → An, In, This, Viterbi-decoded, Voyager
is a · 2
Convolutional code → number of errors that can be corrected by the code, type of error-correcting code that generates parity symbols via the sliding application of a boolean polynomial function to a data stream
see also · 1
Convolutional code → Quantum

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Important terminology

convolutional codes code encoder rate decoding length displaystyle input output data used also block constraint memory typically trellis systematic one

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Convolutional codeis atype of error-correcting code that generates parity symbols via the sliding application of a boolean polynomial function to a data stream0.90text
Convolutional codeis anumber of errors that can be corrected by the code0.90text
turbo codes.Using theinstance ofThese codes proved especially useful for iterative processing including the processing of concatenated codes0.80text
satellite linksinstance ofUseful for SCCC's and multidimensional turbo codes.Useful as constituent code in low error rate turbo codes for applications0.80text
Convolutional coderelated to Decoding convolutional codesSeveral0.60section
Convolutional coderelated to Decoding convolutional codesFor0.60section
Convolutional coderelated to Decoding convolutional codesViterbi0.60section
Convolutional coderelated to Decoding convolutional codesVLSI0.60section
Convolutional coderelated to Decoding convolutional codesCPUs0.60section
Convolutional coderelated to Decoding convolutional codesSIMD0.60section
Convolutional coderelated to Decoding convolutional codesLonger0.60section
Convolutional coderelated to Decoding convolutional codesFano0.60section

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