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Ergodic Capacity for the SIMO Nakagami- Channel

Vagenas, Efstathios D.; Karadimas, Petros; Kotsopoulos, Stavros A.


Efstathios D. Vagenas

Stavros A. Kotsopoulos


This paper presents closed-form expressions for the ergodic channel capacity of SIMO (single-input and multiple output) wireless systems operating in a Nakagami- fading channel. As the performance of SIMO channel is closely related to the diversity combining techniques, we present closed-form expressions for the capacity of maximal ratio combining (MRC), equal gain combining (EGC), selection combining (SC), and switch and stay (SSC) diversity systems operating in Nakagami- fading channels. Also, the ergodic capacity of a SIMO system in a Nakagami- fading channel without any diversity technique is derived. The latter scenario is further investigated for a large amount of receive antennas. Finally, numerical results are presented for illustration.

Journal Article Type Article
Acceptance Date Jul 1, 2009
Online Publication Date Aug 19, 2009
Publication Date 2009-12
Deposit Date Jan 15, 2022
Publicly Available Date Jun 29, 2023
Journal EURASIP Journal on Wireless Communications and Networking
Print ISSN 1687-1472
Publisher Hindawi
Peer Reviewed Peer Reviewed
Volume 2009
Issue 1
Article Number 802067
Keywords Fading Channel, Channel Capacity, Diversity Technique, Maximal Ratio Combine, Ergodic Capacity
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