5G for Future Wireless Networks Second EAI International Conference, 5GWN 2019, Changsha, China, February 23-24, 2019, Proceedings - Leung, Victor C. M.; Leung, Victor C. M.; Zhang, Haijun; Zhang, Haijun; Hu, Xiping; Hu, Xiping; Liu, Qiang; Liu, Qiang; Liu, Zhi; Liu, Zhi (Springer International Publishing : Imprint: Springer, 2019)