Traffic-Centric Modelling by IEEE 802.11 DCF Example

被引：0

作者：

Pileggi, Paolo ^{[1
]}

Kritzinger, Pieter ^{[2
]}

机构：

[1] Univ Roma Tor Vergata, Networking Grp, Dept Telecommun & Microelect, Rome, Italy

[2] Univ Cape Town, Commun Res Grp, Dept Elect Engn, ZA-7700 Rondebosch, South Africa

来源：

ANALYTICAL AND STOCHASTIC MODELING TECHNIQUES AND APPLICATIONS, (ASMTA 2011) | 2011年 / 6751卷

基金：

新加坡国家研究基金会;

关键词：

Traffic-Centric Modelling; Analytical and Numerical Simulation; Semi-Markov process; Performance Modelling; WLAN; DISTRIBUTED COORDINATION FUNCTION; SATURATION THROUGHPUT ANALYSIS; CHANNEL; PERFORMANCE;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Probably no protocol has been analysed as much as the various versions of the IEEE 802.11 Distributed Coordination Function (DCF). In this paper, we show how to describe a typical DCF analytic model as a semi-Markov process (SMP) by taking a new approach to performance modelling, called Traffic-Centric Modelling (TCM). TCM is therefore explained at the hand of an example IEEE 802.11 network in Basic Access mode under both saturated and unsaturated traffic conditions. We show how to solve the corresponding SMP by executing DCF activity over the SMP structure, making the proposed solution a hybrid analytical-simulation method. The accuracy of the technique is illustrated by comparing the results with that from the analytic model that is most frequently cited in the research literature.

引用

页码：219 / 233

页数：15

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