Networking

Application Delay Modelling for Variable Length Packets in Single Cell IEEE 802.11 WLANs

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Executive Summary

The IEEE 802.11 has become ubiquitous and gained widespread popularity as a protocol for wireless networks. As a result, various models have been proposed to analyze and model the parameters of interest. Since the seminal paper by Bianchi, throughput analysis of IEEE 802.11 DCF has come under much scrutiny. In the main feature of the analysis is the 2-dimensional Markov model, which captures the back-off phenomenon of IEEE 802.11, given a transmission attempt rate for each node. The authors give an analytical model for throughput analysis of DCF using average back-off state as compared to the Markovian model being proposed by Bianchi. The authors study the fixed point solution and performance measure in a more generalized framework.

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