Reduce Energy Consumption in SWIPT System by Discontinuous Service Base Stations

3rd International Conference on Automation, Control and Robotics Engineering

工业技术;计算机科学;无线电电子学

Dong, Wenjie^1 ; Zhang, He^1 ; Liao, Xiang^1

School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, China^1

关键词: Effective energy;    Failure events;    Information transfers;    Optimization problems;    Reduce energy consumption;    Service probability;    Simultaneous wireless information and power transfer (SWIPT);    Time allocation;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/428/1/012012/pdf
DOI  :  10.1088/1757-899X/428/1/012012

来源: IOP

【 摘 要 】

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.