Optimal designs for IEEE 802.15.4 wireless sensor networks
作者： Alvaro Monsalve , Hai L. Vu , Quoc Bao Vo
DOI: 10.1002/WCM.1227
关键词:
摘要: This paper investigates the maximum achievable channel throughput in a single-channel and single-hop wireless sensor network using IEEE 802.15.4 Medium Access Control (MAC) protocol. We introduce simple mean-field approach to model Carrier Sense Multiple with Collision Avoidance mechanism of MAC protocol under unsaturated conditions. derive set expressions such as optimal sensing rate node, its corresponding failure probability, for both saturated networks. With those expressions, we propose several designs achieve by choosing appropriate parameters. validate proposed ns-2 simulations. Furthermore, evaluate lifetime expectancy compare it settings conditions that use default parameters 802.15.4. Copyright © 2011 John Wiley & Sons, Ltd.
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