Multi-Hop Amplify-and-Forward Relaying on Nakagami-0.5 Fading Channels

Author

Behnad, Aydin ; Beaulieu, Norman C. ; Maham, Behrouz

Author_Institution

Sch. of Electr. & Comput. Eng., Univ. of Tehran, Tehran, Iran

Volume

1

Issue

3

fYear

2012

fDate

6/1/2012 12:00:00 AM

Firstpage

173

Lastpage

176

Abstract

The performance analysis of a wireless communication system on Nakagami-0.5 fading channels has importance, as it evaluates the system in a worst case scenario. This analysis becomes more crucial when a high level of quality of service is required. The performance of a multi-hop amplify-and-forward relaying system on Nakagami-0.5 channels is considered. First, it is shown that the harmonic mean of independent gamma random variables with shape parameter 0.5 has again gamma distribution with the same shape parameter. Then, using this fact, closed-form expressions giving accurate approximations for the outage probability, the average symbol error probability, and the ergodic capacity of the multi-hop relaying system are derived. The analytical results are verified by simulations.

Keywords

Nakagami channels; amplify and forward communication; error statistics; gamma distribution; quality of service; relays; Nakagami-0.5 fading channel; average symbol error probability; closed-form expression; ergodic capacity; gamma distribution; harmonic mean; independent gamma random variable; multihop amplify-and-forward relaying system; outage probability; quality of service; shape parameter; wireless communication system; Error probability; Fading; Harmonic analysis; Random variables; Shape; Signal to noise ratio; Wireless communication; Amplify-and-forward; L'evy distribution; Nakagami-0.5; fading channels; multi-hop relaying; stable distributions;

fLanguage

English

Journal_Title

Wireless Communications Letters, IEEE

Publisher

ieee

ISSN

2162-2337

Type

jour

DOI

10.1109/WCL.2012.030912.110222

Filename

6169935