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软件学报  2010 

Markov Model of DCF Protocol Based on Fixed Slot in Multi-Hop Ad Hoc Networks
基于定长时隙的多跳Ad Hoc网络DCF协议马尔可夫链模型

Keywords: ad hoc network,DCF protocol,model,fixed slot,Markov chain
ad
,hoc,网络,DCF,协议,模型,定长时隙,马尔可夫链

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Abstract:

This paper points out the limitations of the existing Markov model of DCF protocol based on un-fixed slot in ad hoc networks, and analyzes the difficulty of the modeling of DCF protocol in multi-hop ad hoc networks in detail. On the basis of this, this paper proposes a Markov model of DCF protocol based on fixed slot in multi-hop ad hoc networks. By solving this model, the theoretic value which reflects the saturated throughput performance of multi-hop ad hoc networks is obtained. The effectiveness of this model is demonstrated by the simulations in GloMoSim environment.

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