基于无线体域网的传输功率控制和调度算法

doi:10.11959/j.issn.1000-436x.2015224

Abstract

Abstract:

Wireless body area networks(WBAN)were expecting to play an essential role for healthcare,sports,leisure,and all the aspect of our daily life.The purpose was to solve two key issues of WBAN.The first issue was which sensor should transmit during each time slot in order to maximize the lifetime as well as maintaining fairness performance.The second issue was which transmit power level should be chosen for the purpose of energy saving without degrading reliability.For the first problem,a distributed scheduling algorithm was proposed to balance lifetime and fairness for WBAN.For the second issue,a modified transmission power control algorithm was presented to adjust transmit power adaptively.Simulation results are presented to demonstrated efficacy of the proposed algorithm.

Key words: wireless body area networks, lifetime, fairness, power control, scheduling algorithm

Zhi-jun WANG,Feng-ye HU,Ying-qi YIN,Xiao-lan LIU. Transmission power control and scheduling algorithm in wireless body area networks[J]. Journal on Communications, 2015, 36(10): 271-277.

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References 14

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数据速率/(bit·s^?1)	Rx_sens/dBm
121.4	?95
242.9	?93
485.7	?90
971.4	?86

功率控制机制	指标	保守	激进	平衡
原有的算法	能耗/mw	22.191 7	19.599 4	20.692 9
原有的算法	中断概率%	0.098	0.338	0.135
改进的算法	能耗/mw	21.697 8	19.541 2	20.458 7
改进的算法	中断概率%	0.090	0.256	0.107

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Transmission power control and scheduling algorithm in wireless body area networks

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