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Browse Journals & Magazines > Electronics Letters ...> Volume:13 Issue:12 Help

Partial correction of transmission errors in d.p.c.m. without recourse to error correction coding

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3 Author(s)
Steele, R. ; Loughborough University of Technology, Electronic & Electrical Engineering Department, Loughborough, UK ; Esdale, D.J. ; Goodman, D.J.

A method for partially correcting transmission errors in a 1st-order d.p.c.m. system, without recourse to channel coding, is described. A simple detection algorithm based on the statistical properties of a sequence of differences between adjacent samples of a modified decoded sequence is used to identify the erroneous samples. Three different correcting algorithms are described. Substantial improvements in the decoded waveform are achieved, and, for a Markov input process, an error rate of 0.04% in the first and second most significant digits, an improvement in s.n.r. of 7dB is achieved.

Published in:
Electronics Letters  (Volume:13 ,  Issue: 12 )

Date of Publication: June 9 1977

Page(s):
351 - 353
ISSN :
0013-5194
Digital Object Identifier :
10.1049/el:19770256
Date of Current Version :
11 July 2007
Issue Date :
June 9 1977
Sponsored by :
Institution of Engineering and Technology

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