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Intra-Session Network Coding for Improving Throughput in Multirate Multihop Wireless Networks  

Park, Mu-Seong (Department of Electrical and Computer Eng., Ajou University)
Yoon, Won-Sik (Department of Electrical and Computer Eng., Ajou University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.49, no.5, 2012 , pp. 21-26 More about this Journal
Abstract
Intra-session network coding has been proposed to improve throughput by simplifying scheduling of multi-hop wireless network and efficiency of packet transmission. Multi-rate transmission has been used in multihop wireless networks. An opportunistic routing with multirate shows throughput improvement compared with single rate. In this paper, we propose a method of throughput improvement in multi-hop wireless network by using multi-rate and intra-session network coding. We suggest a method to select an local optimal transmission rate at each node. The maximum throughput is evaluated by using linear programming (LP). To solve the LP, we use MATLAB and lp_solve IDE program. The performance evaluation results show that end-to-end throughput is improved by using multirate and intra-session network coding can achieve better throughput than opportunistic routing.
Keywords
intra-session network coding; multirate; rate selection; linear programming;
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Times Cited By KSCI : 1  (Citation Analysis)
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