A performance analysis of trellis-coded modulation schemes over Rician fading channels

TitleA performance analysis of trellis-coded modulation schemes over Rician fading channels
Publication TypeJournal Article
Year of Publication1993
AuthorsTellambura, C., Q. Wang, and V. K. Bhargava
JournalVehicular Technology, IEEE Transactions on
Volume42
Pagination491 -501
Date Publishednov.
ISSN0018-9545
Keywordsasymptotic approximation, demodulation, differential detection, error performance, error statistics, fading, finite interleaving depth, ideal coherent detection, ideal interleaving, MDPSK, mobile radio systems, MPSK, pairwise error probability, performance analysis, phase shift keying, pilot-tone aided detection, Rician fading channels, saddle point approximation, shadowed Rician channels, TCM, telecommunication channels, trellis codes, trellis-coded modulation
Abstract

This paper presents a saddle point approximation (SAP) method to compute the pairwise error probability (PEP) of trellis-coded modulation (TCM) schemes over Rician fading channels. The approximation is applicable under several conditions, such as finite and ideal interleaving, ideal coherent and pilot-tone aided detection, and differential detection. The accuracy of this approximation is demonstrated by comparison to the results of numerical integration. When ideal interleaving is assumed, an asymptotic approximation for the PEP of ideal coherent, pilot-tone aided or differentially detected TCM is derived. This asymptotic approximation of the PEP is in a product form and much tighter than the ordinary Chernoff bound on the PEP. Also, based on the SAP, the effect of finite interleaving depth on the error performance of TCM schemes over Rician and shadowed Rician channels is studied

URLhttp://dx.doi.org/10.1109/25.260762
DOI10.1109/25.260762

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