Viterbi-decoding differential detection of DPSK

5 November 1992

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 28 (23) , 2196-2198
https://doi.org/10.1049/el:19921409

Abstract

Differential detection based on MLSE using the Viterbi algorithm (Viterbi-decoding DD) is proposed and the BER performance of 2DPSK under AWGN channels is investigated by computer simulation. It is shown that the performance loss in the required E_b/N₀ of the proposed Viterbi-decoding DD compared with ideal coherent detection with differential decoding is only around 0.15dB at BER = 10⁻³.

Keywords

VITERBI-DECODING DIFFERENTIAL DETECTION
DPSK
BER PERFORMANCE
PERFORMANCE LOSS
MLSE
BIT ERROR RATE
COMPUTER SIMULATION
AWGN CHANNELS

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