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Truncation length for Viterbi decodingA bound is derived and analyzed for the bit error rate (BER) of a Viterbi decoder with survivor truncation. Estimates of the SNR (signal-to-noise ratio) loss on the AWGN (additive white Gaussian noise) channel due to truncation are obtained for convolutional codes. Larger truncation lengths are required than the smallest value that does not effectively decrease the code's free distance, especially at low Eb/N0.
Document ID
19910072065
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1109/26.87203
Authors
Onyszchuk, Ivan M. (JPL Pasadena, CA, United States)
Date Acquired
August 14, 2013
Publication Date
July 1, 1991
Publication Information
Publication: IEEE Transactions on Communications
Volume: 39
ISSN: 0090-6778
Subject Category
Cybernetics
Report/Patent Number
ISSN: 0090-6778
Accession Number
91A56688
Distribution Limits
Public
Copyright
Other

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