Abstract
In this paper, we investigate energy consumption reduction problem of simultaneous wireless information and power transfer (SWIPT) systems by establishing a discontinuous service base station (DSBS) scheme for SWIPT. Service time of the DSBS is minimized by optimizing the time allocation between energy harvesting (EH) and information transfer (IT), and the power consumption allocation between intermittent IT and continuous target detect. To solve the optimization problem, A method to reduce the dimensions of optimization subject is put forward. Out of service probability of the system is analysed, where the failure event is defined as the terminal required service time is lager then the maximum allowed DSBS service time. Analytical and simulation results reveal that, the system we presented possesses effective energy consumption ability with little reliability lost.
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