Networking

Future Evolution of CSMA Protocols for the IEEE 802.11 Standard

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Executive Summary

In this paper a candidate protocol to replace the prevalent CSMA/CA medium access control in wireless local area networks is presented. The proposed protocol can achieve higher throughput than CSMA/CA, while maintaining fairness, and without additional implementation complexity. Under certain circumstances, it is able to reach and maintain collision-free operation, even when the number of contenders is variable and potentially large. It is backward compatible, allowing for new and legacy stations to coexist without degrading one another's performance, a property that can make the adoption process by future versions of the standard smooth and inexpensive.

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