Prediction using ray tracing for radio wave propagation; The development of cell enhancer (part I); The development of cell enhancer (part II); Ray tracing simulation method using... Yazar: Amran Abd. Aziz, Fong, Tze Ming, Lam, Hoay Ping, Muraleedharan M. Gopalan, Yang, Mei Shian, Yew, Teik Choon