多项选择题
以下核心网接口与端设备相对应的为()。
A.Gb---SGSN,BSS
B.Gc---GGSN,HLR
C.Gd---SMS-GMSC,SGSN
D.Gf---SGSN,EIR
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相关考题
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单项选择题
How many TDMA frames consist of a GPRS multiframe?()
A.26
B.51
C.52
D.1036 -
单项选择题
Which logical channel is used to transfer signaling messages such as resource reallocation?()
A.PDTCH
B.PTCCH
C.PACCH
D.PBCCH -
单项选择题
Which logical channel is used to send RACH bust on uplink and TAs on downlink?()
A.PDTCH
B.PTCCH
C.PACCH
D.PBCCH
