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http://dx.doi.org/10.7840/KICS.2011.36C.1.1

A Performance Bound of Mu1ti-hop Mu1ti-Relay Wireless Communication Systems with Optimal Path Selection  

Almuradov, Kamol (경희대학교 전자전파공학과)
Park, Jin-Bae (경희대학교 전자전파공학과)
Kim, Yun-Hee (경희대학교 전자전파공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.36, no.1C, 2011 , pp. 1-7 More about this Journal
Abstract
Recently, multi-hop relay transmission has drawn much attention owing to its advantage of coverage extension at low power consumption. In this paper, we derive a performance bound of multi-hop communication systems with multiple amplify-and-forward relays when the optimal path is selected. The bound is derived in generalized Nakagami fading channels with different parameters for each hop by applying the geometric mean bound to the path signal-to-noise ratio (SNR) and obtaining the moment generation function of the bound. It is shown that the bound based on the geometric mean is closer to the actual performance of optimal path selection when the fading effect is small.
Keywords
Multi-hop communications; path selection; amplify-and-forward; relay; Nakagami fading;
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