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In this paper, we consider a two-hop decode-and-forward relay network where relay nodes have heterogeneous channel conditions. We propose a new fair and minimal power allocation scheme where a relay node is selected to forward packets based on thresholds for channel conditions of relay nodes and the selected relay node uses an adaptive power control to meet a given data rate requirement. The individual...
In this paper we consider a two-hop relay network consisting of a source, a destination and multiple relay nodes. For a given quality of service (QoS) requirement such as transmission rate between the source and the destination, relay nodes have an adaptive power control scheme to meet the QoS requirement. The adaptive power control scheme is assumed to be based on the channel condition between relay...
In this paper, we analyze the performances of a cooperative ARQ protocol under Poisson arrivals and the time correlated Rayleigh fading channel environment. A two dimensional discrete time Markov chain is formulated for the analysis. Using the steady state analysis of the Markov chain, the average frame latency and the moment generating function of the service time of a frame are derived. We validate...
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