Title :
Optimal and sub-optimal phase-only MPSK TCM decoding schemes
Author :
Kim, Seung-Geun ; Kim, Kiseon
Author_Institution :
Dept. of Inf. & Commun., K-JIST, Kwangju, South Korea
fDate :
11/25/1999 12:00:00 AM
Abstract :
The log-likelihood function for an optimal phase-only branch metric of the Viterbi algorithm is derived to decode MPSK TCM when only the phase information is available. Two sub-optimal branch metrics for reducing the computational complexity are also proposed
Keywords :
Viterbi decoding; computational complexity; phase shift keying; trellis coded modulation; Viterbi algorithm; computational complexity; log-likelihood function; optimal phase-only branch metric; phase information; phase-only MPSK TCM decoding;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19991444
