Institute of Artificial Intelligence;
Guangxi University for Nationalities;
Nanning 530004;
China;
Guangxi Key Laboratory of Hybrid Computation and IC Design Analysis;
Nanning 530006;
China;
School of Computer;
Electronics and Information;
Guangxi University;
Nanning 530006;
China;
Guangxi Power Grid Co.;
Ltd;
Nanning 530023;
China;
sensor-cloud; SWIPT; optimal stopping theory; energy efficiency; channel quality;