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Computers 2017, 6(1), 9; doi:10.3390/computers6010009

Traffic Priority-Aware Adaptive Slot Allocation for Medium Access Control Protocol in Wireless Body Area Network

Faculty of Computing, Universiti Teknologi Malaysia, Skudai, 81310, Johor Bahru, Malaysia
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Received: 1 January 2017 / Accepted: 14 February 2017 / Published: 20 February 2017
(This article belongs to the Special Issue Theory, Design and Prototyping of Wearable Electronics and Computing)
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Abstract

Biomedical sensors (BMSs) monitor the heterogeneous vital signs of patients. They have diverse Quality of Service (QoS) requirements including reduced collision, delay, loss, and energy consumption in the transmission of data, which are non-constrained, delay-constrained, reliabilityconstrained, and critical. In this context, this paper proposes a traffic priority-aware adaptive slot allocation-based medium access control (TraySL-MAC) protocol. Firstly, a reduced contention adaptive slot allocation algorithm is presented to minimize contention rounds. Secondly, a low threshold vital signs criticality-based adaptive slot allocation algorithm is developed for high priority data. Thirdly, a high threshold vital signs criticality-based adaptive slot allocation algorithm is designed for low priority data. Simulations are performed to comparatively evaluate the performance of the proposed protocol with state-of-the-art MAC protocols. From the analysis of the results, it is evident that the proposed protocol is beneficial in terms of lower packet delivery delay and energy consumption, and higher throughput in realistic biomedical environments. View Full-Text
Keywords: medium access control protocol; wireless body area networks; wireless sensor networks medium access control protocol; wireless body area networks; wireless sensor networks
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MDPI and ACS Style

Ullah, F.; Abdullah, A.H.; Kaiwartya, O.; Arshad, M.M. Traffic Priority-Aware Adaptive Slot Allocation for Medium Access Control Protocol in Wireless Body Area Network. Computers 2017, 6, 9.

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