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A distance approach to window decoding

Publiceringsår: 2002
Språk: Engelska
Sidor: 169-181
Publikation/Tidskrift/Serie: Problems of Information Transmission
Volym: 38
Nummer: 3
Dokumenttyp: Artikel


In convolutional coding, code sequences have infinite length; thus, a maximum-likelihood decoder implies an infinite delay. Due to memory and delay constraints in practical coding schemes, convolutional codes often are either terminated or decoded by a window decoder. When a window decoder is used, the convolutional code sequence is not terminated; instead, the window decoder estimates information digits after receiving a finite number of noise-corrupted code symbols, thereby keeping the decoding delay short. An exact characterization of the error-correcting capability of window decoded convolutional codes is given by using active distances of convolutional codes.



  • Technology and Engineering


  • ISSN: 0032-9460

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