Dr Yifei Yuan, IEEE Fellow, National Distinguished Expert of China, Chief Expert of China Mobile Research Institute, with 25 years of advanced research on air interface and standardizations of mobile communications, published 50 SCI papers and 12 books on key technologies of 4G, 5G and 6G mobile systems, with more than 60 US-granted patents. Yuhong Huang, Master degree, Professor level of Senior Engineer, Geneal Director of China Mobile Research Institute, responsible for key projects of GSM、WLAN、3G、4G、5G mobile system, with 27 awards at provincial or ministry level or up, inducted to national talent program, general secretary of GTI global cooperation platform Haiyu Ding, Master degree, Deputy Geneal Director of China Mobile Research Institute, specialized in mobile communications, main contributor of state key projects such as TD-LTE, published 3 books. Chunfeng Cui, Doctor degree, Director of Future Research Department of China Mobile Research Institute, specialized in mobile communications, 25 years of experience in new technology study and standardization, published over 20 papers and 3 books, with many awards from China Institute of Communications and China Institute of Electronics. Qixing Wang, Doctor degree, Deputy Director of Future Research Department of China Mobile Research Institute, participated in advanced research and standardization of 4G, 5G and 6G mobile systems, filed 200 patent applications, with many awards from China Institute of Communications and China Communication Standards Association.