複選題
45. Which are the properties of CDMA?
(A) Hard to spy
(B) No need all stations to synchronize
(C) All cells can use all frequencies
(D) No need for a large continuous frequency band
(E) No hard limit on capacity of a cell
私人筆記 (共 1 筆)
未解鎖
(D) CDMA 需要大的連續頻道詳看資...