A unified MGF-based capacity analysis of diversity combiners over generalized fading channels

Ferkan Yilmaz*, Mohamed Slim Alouini

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

120 Citations (Scopus)

Abstract

Unified exact ergodic capacity results for L-branch coherent diversity combiners including equal-gain combining (EGC) and maximal-ratio combining (MRC) are not known. This paper develops a novel generic framework for the capacity analysis of L-branch EGC/MRC over generalized fading channels. The framework is used to derive new results for the gamma-shadowed generalized Nakagami-m fading model which can be a suitable model for the fading environments encountered by high frequency (60 GHz and above) communications. The mathematical formalism is illustrated with some selected numerical and simulation results confirming the correctness of our newly proposed framework.

Original languageEnglish
Article number6152071
Pages (from-to)862-875
Number of pages14
JournalIEEE Transactions on Communications
Volume60
Issue number3
DOIs
Publication statusPublished - Mar 2012
Externally publishedYes

Funding

This work was supported by King Abdullah University of Science and Technology (KAUST).

FundersFunder number
King Abdullah University of Science and Technology

    Keywords

    • correlated channel fading
    • diversity combining
    • equal-gain combining
    • Ergodic capacity
    • gamma-shadowed generalized Nakagami-m fading
    • generalized Nakagami-m fading
    • maximal-ratio combining

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