Wireless Algorithms, Systems, and Applications 13th International Conference, WASA 2018, Tianjin, China, June 20-22, 2018, Proceedings - Chellappan, Sriram; Chellappan, Sriram; Cheng, Wei; Cheng, Wei; Li, Wei; Li, Wei (Springer International Publishing : Imprint: Springer, 2018)