Performance of video quality in dual-branch diversity based SR-ARQ over Rayleigh fading channel

Authors:
Ghaida A. Al-Suhail
Affiliations:
University of Basrah, Basrah, Iraq
Venue:
Proceedings of the 7th International Conference on Advances in Mobile Computing and Multimedia
Year:
2009

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Abstract

In this paper, we investigate the video quality performance in a dual-branch selection diversity receiver in time---varying channel environments. We consider the selective-repeat automatic repeat request (SR-ARQ) protocol in order to maximize effectively the quality of service in terms of throughput over Rayleigh fading channels. To achieve high video quality at the receiver, the extended ARQ (EARQ) scheme based packet combining strategy is considered. The simulation results show that a significant improvement in the performance can be attained when a retransmission of packet combining is used along with selection diversity at the client end. In addition, the selection combining based EARQ protocol outperforms that of only selection combining scheme based basic ARQ.