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Year : 2014  |  Volume : 4  |  Issue : 2  |  Page : 135-140

Fuzzy-Logic Based Medium Access Control Model for Battery Lifetime Enhancement in Wireless Body Area Networks

Departments of ECE, Bannariamman Institute of Technology, Sathyamangalam, Tamil Nadu, India

Correspondence Address:
G M Tamilselvan
Departments of ECE, Bannariamman Institute of Technology, Sathyamangalam, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0976-8580.141212

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Wireless body sensor networks in healthcare system operate under mismatched conditions. Our aim is to improve the battery lifetime of body sensors while guaranteeing the reliable, timely message delivery and reduced packet delay, which is significantly important for the patient monitoring networks. In this paper, Distributed Queuing Body Area Networks (DQBAN) protocol is introduced as an alternative enhancement to 802.15.4 medium access control (MAC). It includes cross-layer fuzzy-rule scheduling algorithm and energy-aware radio activation policies. The main idea is to amalgamate the fuzzy-logic system in each body sensors to deal with multiple cross-layer input variables of dissimilar nature and independent manner. It guarantees low energy consumption and suitable under coexisting scenarios. DQBAN MAC model has shown to achieve higher reliability than other possible MAC implementation.

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