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Tunable traffic control for multihop CSMA networks

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3 Author(s)
Zhefu Shi ; Univ. of Missouri-Kansas City, Kansas City, MO ; Beard, C. ; Mitchell, K.

A new analytical model for multihop CSMA networks is presented, using matrix exponential methods that model node queueing and backoff processes. This model also captures in a new way the collisions between nodes and then provides performance analysis for not just throughput, but also packet dropping, end-to-end delay, and jitter. All performance metrics are shown to be very accurate compared to simulation results. The model is then used to propose methods for controlling performance of CSMA multihop networks by using different traffic rates and backoff rates for different nodes or paths, depending on their network location.

Published in:

Military Communications Conference, 2008. MILCOM 2008. IEEE

Date of Conference:

16-19 Nov. 2008