1Beijing University of Posts and Telecommunications;
Beijing 100876;
China 2State Grid Information & Telecommunication Company Ltd.;
Beijing 100761;
China;
China Electric Power Research Institute;
Beijing 100192;
China;
Information Communication Branch of Beijing Electric Power Company;
Beijing 100031;
China;
Electric; Vehicle; Wide-area; Energy; Service; Network; Communication; Networking; Internet; of; Things;