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In this paper, we investigate a maximum allowable time that ensure a given outage probability target in vehicle-to vehicle cooperative communication (VVCC) with a decode-and-forward (DF) relay, which is referred to quality-supporting duration (QSD). QSD depends on the velocity of relaying vehicle and the initial positions of communicating vehicles. Numerical investigation shows how QSD greater than...
The opportunistic cooperation schemes, where only the “best” relay is selected to forward the message, are well performed in outage probability but with poor fairness among relays. In this paper, we introduce the concept “outage priority based fairness” (OPF), aiming at improving the fairness appropriately without outage performance deterioration. A novel cooperation scheme is proposed to meet the...
Differential Amplify-and-Forward (DAF) relaying can be viewed as an attractive cooperative communication strategy for wireless networks where channel estimation is not feasible or it is rather avoided. A new exact outage probability expression is presented herein for DAF relaying that involves only a single integral. Then, an asymptotically tight closed-form approximation is obtained which enables...
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