Wireless Network Channel Access Mechanism Based on Linear Network Coding

doi:10.3969/j.issn.1006-2475.2015.06.020

Abstract

Abstract: In order to improve the communication performance of the wireless selforganized network, aiming at the deficiency of current network channel access mechanism, this paper puts forward a channel access mechanism based on linear network coding (LNC). The working principle and the defects of traditional network channel access mechanism are analyzed, and then the linear network coding method is used to improve data packet transmission efficiency, finally Markov chain model is used to construct the mathematical model of LNC, and the performance is tested by simulation experiment. The simulation results show that compared with the traditional network channel access mechanism, LNC not only improves the network throughput and reduces the nodes packet loss rate, but also increases the channel utilization rate.

Key words: wireless network, channel access mechanism, linear network coding, Marko chain

CLC Number:

TP393

REN Xiao-na1, PEI Xiang2. Wireless Network Channel Access Mechanism Based on Linear Network Coding[J]. Computer and Modernization, doi: 10.3969/j.issn.1006-2475.2015.06.020.

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