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A Hybrid ARQ (HARQ) scheme employing a flexible amplify and forward (AF) relaying is considered for a cooperative relay channel. Two phase types with flexible length: one phase for relay reception and another phase for relay forwarding are assumed to accommodate half duplex relaying. We assume two types of encoding: repetition coding (RC) and unconstrained coding (UC). The outage performance of the...
This paper considers the network coded relay protocol utilized in the cellular systems. The time division multiple access (TDMA) based opportunistic network coded cooperation(TDMA-ONCC) scheme, whose central idea is to perform the opportunistic network coded cooperation based on the observed instantaneous channel qualities of source-to-relay and relay-to-destination links, is researched. Performances...
In this paper, we combine opportunistic transmission and source/destination cooperation in a decode-and-forward (DF)-based two-hop cooperative diversity network consisting of multiple source-destination pairs and a single relay. Firstly, we consider a special scenario with two source-destination pairs. For this network, there are two possible strategies in each hop: no-cooperation or cooperation....
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