Outage Performance of Selection DecodeandForward Relay  Network over Nakagamim Fading Channels

doi:10.13190/jbupt.201101.80.375

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2011, Vol. 34 ›› Issue (1): 80-84.doi: 10.13190/jbupt.201101.80.375

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Outage Performance of Selection DecodeandForward Relay  Network over Nakagamim Fading Channels

Received:2010-01-10 Revised:2010-10-11 Online:2011-02-28 Published:2011-02-28

Abstract

Abstract:

To solve the complicated problem of analysis of outage performance in cooperative communication system, a theoretical analysis method is proposed. A selection relay model with a direct link over independent identically distributed Nakagamim fading channels is considered based on the power restricted cooperative communication system. An analytical expression of outage probability is derived and the outage performance is analyzed for this model. The optimal power allocation is also investigated and a power allocation factor in a specific relay number is given. Simulations show that the outage performance is evidently improved compared with other selection relay models. The optimal power allocation ia also investigated and a power allocation factor in a specific relay number is given.

Key words: cooperative communications, Nakagamim channels, decodeandforward, outa ge probability, selection relay, optimal power allocation

References

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Outage Performance of Selection DecodeandForward Relay  Network over Nakagamim Fading Channels

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