Key Laboratory of Wireless Sensor Network&Communication;
Shanghai Institute of Micro-System and Information Technology;
Chinese Academy of Sciences;
Shanghai;
201899;
China;
Shanghai Research Center for Wireless Communication;
Shanghai;
201210;
China;
College of Physics and Electronic Information Engineering;
Qinghai University for Nationalities;
Xining;
810007;
China;
Internet of things; wireless sensor network; energy efficiency; energy consumption model;