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A Dynamic Queue Management for Network Coding in Mobile Ad-hoc Network

  • Kim, Byun-Gon (Dept. of Electronic Engineering, Kunsan National University) ;
  • Kim, Kwan-Woong (Thunder Technology, Director in Digital Signal Processing Team) ;
  • Huang, Wei (School of Computer and Communication engineering, Tianjin University of Technology) ;
  • Yu, C. (Dept. of Electrical and Computer Engineering, North Carolina State University) ;
  • Kim, Yong K. (Dept. of Information and Communication Engineering, Wonkwang University)
  • Received : 2013.01.29
  • Published : 2013.05.31

Abstract

Network Coding (NC) is a new paradigm for network communication. In network coding, intermediate nodes create new packets by algebraically combining ingress packets and send it to its neighbor node by broadcast manner. NC has rapidly emerged as a major research area in information theory due to its wide applicability to communication through real networks. Network coding is expected to improve throughput and channel efficiency in the wireless multi-hop network. Many researches have been carried out to employ network coding to wireless ad-hoc network. In this paper, we proposed a dynamic queue management to improve coding opportunistic to enhance efficiency of NC. In our design, intermediate nodes are buffering incoming packets to encode queue. We expect that the proposed algorithm shall improve encoding rate of network coded packet and also reduce end to end latency. From the simulation, the proposed algorithm achieved better performance in terms of coding gain and packet delivery rate than static queue management scheme.

Keywords

Multi-hop wireless network;network coding;MAC;Queue management

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