A.時(shí)延長(zhǎng)度為0.5ms, B.對(duì)延遲要求低, C.FDD與TDD參數(shù)統(tǒng)一, D.對(duì)延遲要求高.
A.MME, B.S-GW, C.P-GW, D.T-GW.
A.加密, B.ARQ, C.調(diào)度, D.功控.