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Published in:
2016 | OriginalPaper | Chapter
Multiuser Scheduling on Dual-Hop Relay Networks and Effect of Feedback Delay
Authors : Jiyao Wei, Xianyi Rui
Published in: Proceedings of the 5th International Conference on Electrical Engineering and Automatic Control
Publisher: Springer Berlin Heidelberg
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Abstract
In cooperative communication, the evaluation of the system performance and its degree of fairness mainly depend on the choice scheduling made on channel. However, in real system, feedback delay between channel estimation time and the real transmit information time cannot be ignored. And the delay effects on both the performance of the cooperative communication system and the scheduling of information transmission. In this paper, we focus on studying multiuser scheduling on dual-hop relay networks and the effect of feedback delay. Simulation advocates the performance of a multiuser relay network equipped with a single amplify-and-forward (AF) relay over Rayleigh fading environments. The results show that the channel capacity and the degree of fairness effected by feedback delay decrease obviously.