Abstract
n this paper, we introduce an Lp -norm aggregation to present a signal-to-noise ratio expression unified not only for such diversity combining schemes as equal-gain combining, maximal-ratio combining, and selection combining, but also for such transmission techniques as multihop transmission. Accordingly, we propose two moment-generating function-based approaches that both respectively unify the exact analyses of the averaged channel capacity and averaged effective capacity over generalized fading channels with respect to the diversity combining and multihop transmission schemes. Finally, the mathematical formalism is illustrated by numerical special cases and verified by simulations.
Highlights
Wireless systems continue to strive for higher data rates and better reliability while migrating to higher and higher frequency bands
To the best of our knowledge, published papers concerning the exact averaged channel capacity (ACC) over fading channels have been scarce when compared to those concerning the exact analysis of the averaged symbol error performance (ASEP) [1, and references therein]
The L-fold integration in both Eq (3) and Eq (5) are numerically tedious and inefficient even for a small number of L in addition to being inseparable from the product of one-dimensional integrals. To overcome this numerical inefficiency, we propose in what follows two moment generating functions (MGF)-based ACC and averaged effective capacity (AEC) analyses over correlated and uncorrelated fading channels
Summary
Wireless systems continue to strive for higher data rates and better reliability while migrating to higher and higher frequency bands. Yilmaz and Alouini proposed in [11, Eq (6)] the other MGF-based framework, which unifies the ACC analyses of EGC and MRC combining schemes. In this article, we introduce a unified signal-to-noise ratio (SNR) expression, and we propose a novel MGF-based approach that remarkably unifies the ACC analyses of MRC, EGC, and SC combining schemes and AF and cascaded transmission schemes over correlated/uncorrelated generalized fading channels. We propose in this article a novel MGF-based framework to simultaneously analyze the ACC and AEC of diversity combining and transmissions schemes over correlated/uncorrelated fading channels.
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