Title :
Viterbi decoding of differentially encoded PSK signals transmitted over Rayleigh frequency-flat fading channels
Author :
Vitetta, G.M. ; Taylor, D.P.
Author_Institution :
Dept. of Inf. Eng., Pisa Univ., Italy
Abstract :
Maximum Likelihood (bit) detection of differentially encoded M-PSK signals on Rayleigh fading channels is investigated. It is shown that the solution to this problem can be related to previous results [Vitetta and Taylor, 1994] and leads to the implementation of a receiver structure based on the Viterbi algorithm and employing per-survivor processing. The error rate performance of this receiver is evaluated by means of computer simulations for both trellis-coded and uncoded systems.<>
Keywords :
Rayleigh channels; Viterbi decoding; error statistics; fading; maximum likelihood detection; maximum likelihood estimation; phase shift keying; receivers; trellis coded modulation; M-PSK signals; Rayleigh frequency-flat fading channels; Viterbi decoding; differentially encoded PSK signals; error rate performance; maximum likelihood detection; per-survivor processing; receiver structure; trellis-coded systems; uncoded systems; Computer simulation; Error analysis; Fading; Maximum likelihood decoding; Maximum likelihood detection; Phase shift keying; Viterbi algorithm;
Journal_Title :
Communications, IEEE Transactions on
