MAC-layer protocol for TCP fairness in Wireless Mesh Networks

Faisal Nawab, Kamran Jamshaid, Basem Shihada, Pin-Han Ho

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Abstract

In this paper we study the interactions of TCP and IEEE 802.11 MAC in Wireless Mesh Networks (WMNs). We use a Markov chain to capture the behavior of TCP sessions, particularly the impact on network throughput performance due to the effect of queue utilization and packet relaying. A closed form solution is derived to numerically determine the throughput. Based on the developed model, we propose a distributed MAC protocol to alleviate the unfairness problem in WMNs. Our protocol uses the age of packet as a priority metric for packet scheduling. Simulation is conducted to validate our model and to illustrate the fairness characteristics of our proposed MAC protocol. We conclude that we can achieve fairness with only little impact on network capacity.
Original languageEnglish (US)
Title of host publication2012 1st IEEE International Conference on Communications in China (ICCC)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages448-453
Number of pages6
ISBN (Print)9781467328159
DOIs
StatePublished - Aug 2012

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