Rapajic, Predrag and Krusevac, Zarko B. (2008) Equivalent channel for capacity analysis of differential detection over time-varying communication channels. In: Wysocki, Beata J. and Wysocki, Tadeusz A., (eds.) Proceedings of the 1st International Conference on Signal Processing and Telecommunication Systems ICSPCS'2007 Australia, Gold Coast December 17-19, 2007. DSP for Communication Systems, Tarrawanna, New South Wales, Australia, pp. 21-26. ISBN 9780975693445

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Abstract

This paper introduces the concept of equivalent
channel for mutual information performance analysis of multiple symbol differential MPSK (M-phase shift keying) over time correlated,time-varying flat-fading communication channels. It is proven that differential detection scheme theoretically preserves the channel information capacity when the observation interval
approaches infinity. A state space approach is used to model
time correlation of time varying channel phase. It is shown
that the differential decoding implicitly uses a sequence of
innovations of the channel process time correlation and this
sequence is essentially uncorrelated (i.i.d). It enables utilization of multiple-symbol differential detection, as a form of block by-block maximum likelihood sequence detection for capacity achieving mutual information performance

Item Type:	Book Section
Additional Information:	[1] This paper forms part of the proceedings of the 1st International Conference on Signal Processing and Communication Systems, ICSPCS’2007 Australia, Gold Coast, 17-19 December 2007 [2] This international conference incorporated The 9th International Symposium on DSP and Communication Systems, DSPCS’2007, and The 6th Workshop on the Internet, Telecommunications and Signal Processing, WITSP'2007
Uncontrolled Keywords:	communication channels, MPSK, time-varying communication channels
Subjects:	T Technology > T Technology (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments:	School of Engineering School of Engineering > Department of Computer & Communications Engineering
Related URLs:	Organisation Organisation
Last Modified:	28 Jan 2020 13:37
URI:	http://gala.gre.ac.uk/id/eprint/2973

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