Computer Science ›› 2016, Vol. 43 ›› Issue (9): 156-159.doi: 10.11896/j.issn.1002-137X.2016.09.030

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Performance Model for Network-coding-aware Opportunistic Routing in Wireless Networks

TAO Wen, JIN Ling, BAI Guang-wei and SHEN Hang   

  • Online:2018-12-01 Published:2018-12-01

Abstract: This paper proposed a performance model for network-coding-aware opportunistic routing in wireless networks working together with multi-priority ACK response strategy,where the focus is on exploring the impact of the packet loss of wireless channel on the network’s performance as relay nodes increases.A Markov chain model is deve-loped to characterize DCF random channel access mechanism,thus the important parameters with respect to network performance are obtained.The mathematical results show that the joint design of opportunistic routing and network coding can greatly improve the packet delivery ratio and end-to-end throughput when increasing the number of relays.

Key words: Network coding,Opportunistic routing,Channel access,Markov chain

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