Mobility

Opportunistic Relay Selection with Cooperative Macro Diversity

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Executive Summary

The authors apply a fully opportunistic relay selection scheme to study cooperative diversity in a semianalytical manner. In their framework, idle Mobile Stations (MSs) are capable of being used as Relay Stations (RSs) and no relaying is required if the direct path is strong. Their relay selection scheme is fully selection based: either the direct path or one of the relaying paths is selected. Macro diversity, which is often ignored in analytical works, is taken into account together with micro diversity by using a complete channel model that includes both shadow fading and fast fading effects. The stochastic geometry of the network is taken into account by having a random number of randomly located MSs.

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