Abstract
Wireless body area networks (WBANs) provide communication services in the vicinity of the human body. Since the WBAN services consists of both medical and consumer electronics (CE) applications, MAC protocols in the WBAN should be designed considering flexibility and different characteristics between medical and CE applications.In this paper, we propose a WBAN MAC protocol for contention-based medical and CE applications. To support bursty CE data and emergency medical data, the proposed WBAN MAC protocol provides a temporary switching method between the Inactive period and the Opportunity period through OCDP (opportunistic contention decision period), and 4-mode opportunity period. Through the extensive simulations, we show the proposed protocol achieves improved latency in the WBAN environment compared with the IEEE 802.15.4.
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