Energy-Efficient, Reliable Wireless Body Area Networks: Cooperative Diversity Switched Combining with Transmit Power Control

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Liang, Tian; Smith, David


2014-10-23


Journal Article


IET Electronic Letters


Here, cooperative diversity using switched combining, incorporating transmit power control, is investigated for wireless body area networks (BANs). Outage probability and switching rate are derived from extensive empirical measurements, along with savings in circuit power consumption using simple ``Sample-and-Hold'' power control in conjunction with switch-and-examine combining. Theoretical approximation of switching rate gives a reasonable match with empirical analysis. We show transmit power control with switch-and-examine combining is an attractive method for increasing network lifetime, through reduced power usage, and improving radio communications reliability in BANs.


Nicta


English


nicta:8380


Liang, Tian; Smith, David. Energy-Efficient, Reliable Wireless Body Area Networks: Cooperative Diversity Switched Combining with Transmit Power Control. IET Electronic Letters. 2014-10-23. <a href="http://hdl.handle.net/102.100.100/93889?index=1" target="_blank">http://hdl.handle.net/102.100.100/93889?index=1</a>



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