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Energy-Efficient Flexible Beacon Scheduling Mechanism for Cluster-Tree Healthcare Systems
Haoru SU Heungwoo NAM Sunshin AN
IEICE TRANSACTIONS on Communications
Publication Date: 2011/09/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Section on Information Communication Technology for Highly Reliable Human Health Care Services)
BAN, healthcare system, MAC, beacon scheduling,
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An Energy-efficient Flexible Beacon Scheduling (EFBS) mechanism is proposed to solve the beacon collision problem in cluster-tree healthcare systems. In EFBS, after clustering, BAN Coordinators perform power control. Then they are divided into groups and each group is assigned one contention-free time-slot. The duration of the beacon-only period is flexible. According to the simulation results, EFBS provides better performance than other beacon scheduling approaches.