Low Duty-Cycling MAC Protocol for Low Data-Rate Medical Wireless Body Area Networks
AbstractWireless body area networks (WBANs) are severely energy constrained, and how to improve the energy efficiency so as to prolong the network lifetime as long as possible is one of the most important goals of WBAN research. Low data-rate WBANs are promising to cut down the energy consumption and extend the network lifetime. Considering the characteristics and demands of low data-rate WBANs, a low duty-cycling medium access control (MAC) protocol is specially designed for this kind of WBAN in this paper. Longer superframes are exploited to cut down the energy consumed on the transmissions and receptions of redundant beacon frames. Insertion time slots are embedded into the inactive part of a superframe to deliver the frames and satisfy the quality of service (QoS) requirements. The number of the data subsections in an insertion time slot can be adaptively adjusted so as to accommodate low data-rate WBANs with different traffic. Simulation results show that the proposed MAC protocol performs well under the condition of low data-rate monitoring traffic. View Full-Text
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Zhang, C.; Wang, Y.; Liang, Y.; Shu, M.; Zhang, J.; Ni, L. Low Duty-Cycling MAC Protocol for Low Data-Rate Medical Wireless Body Area Networks. Sensors 2017, 17, 1134.
Zhang C, Wang Y, Liang Y, Shu M, Zhang J, Ni L. Low Duty-Cycling MAC Protocol for Low Data-Rate Medical Wireless Body Area Networks. Sensors. 2017; 17(5):1134.Chicago/Turabian Style
Zhang, Chongqing; Wang, Yinglong; Liang, Yongquan; Shu, Minglei; Zhang, Jinquan; Ni, Lina. 2017. "Low Duty-Cycling MAC Protocol for Low Data-Rate Medical Wireless Body Area Networks." Sensors 17, no. 5: 1134.
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