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Symbol Error Rate of Dual-hop Cooperative Communication Systems with Arbitrary Regenerative Relays
Xu Feng * #,Yue Dianwu
Dalian Maritime University
*Correspondence author
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Funding: none
Opened online: 1 November 2006
Accepted by: none
Citation: Xu Feng ,Yue Dianwu.Symbol Error Rate of Dual-hop Cooperative Communication Systems with Arbitrary Regenerative Relays[OL]. [ 1 November 2006] http://en.paper.edu.cn/en_releasepaper/content/9189
 
 
This paper presents an investigation on dual-hop cooperative communication systems with regenerative relays over flat Rayleigh fading channels. Potentially relay nodes which can successfully decode the signals cooperatively relay to destination for performance improvement. Maximal-ratio combining (MRC) reception technique is adopted. M-ary phase-shift keying (M-PSK) modulation is evaluated. We first derive symbol error rate (SER) expression of dual-hop communication with MRC scheme. We also derive asymptotic SER expression. With the aid of the asymptotic analysis, asymptotic-optimal power allocation (A-OPA) strategy is determined. It is shown that a significant performance improvement is achieved compared to that of equal power allocation (EPA) strategy.
Keywords:Cooperative communication, dual-hop, maximal-ratio combining.
 
 
 

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