Comparison of CSMA/CA Protocols Applied in Wireless Body Area Network Standards

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Abstract

This paper deals with the performance assessment of the wireless body area network (WBAN) standards proposed by the institute of electrical and electronics engineers (IEEE), namely IEEE 802.15.4 and IEEE 802.15.6, emphasizing on the different carrier sensing multiple access/collision avoidance (CSMA/CA) mechanisms. By comparing the different proposals, we provide an engineering insight, which elaborates the reasons of the performance differences and reveals important trade-offs in terms of successful packet transmission and energy consumption. These trade-offs should be seriously taken into consideration when designing a WBAN.

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