JCC  Vol.3 No.1 , January 2015
MAC Throughput Improvement Using Adaptive Contention Window
Abstract
HomePlug AV (HPAV) is a standard developed by HomePlug Powerline Alliance (HPA) for power line communication. In HomePlug AV, it uses a technology named Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) to reduce collision happened in network. However, when network nodes increase, the contention window number may not be wide enough. It will cause collision probability to increase. In this paper, we introduce a new idea of adaptive contention window which will produce suitable contention window under actual network environment. Our method only requires the information of CSMA/CA parameters. It means that one doesn’t need to correct the original CSMA/CA procedure but substitutes old parameters by the new ones. Simulation experiments conducted in the network simulator NS3 show that compared with HomePlug AV, our method promotes throughput significantly when the node number increases.

Cite this paper
Lin, C. , Chang, W. and Lu, M. (2015) MAC Throughput Improvement Using Adaptive Contention Window. Journal of Computer and Communications, 3, 1-14. doi: 10.4236/jcc.2015.31001.
References

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