A.0.4M,0.8M B.0.5M,0.8M C.0.6M,0.6M D.0.5M,1M
A.6 B.7 C.8 D.9
A.有利于頻譜的有效利用 B.更適用于不對(duì)稱(chēng)業(yè)務(wù) C.上下行鏈路的信道特性對(duì)稱(chēng) D.基站實(shí)現(xiàn)同步