为了更新移动台的定时提前量或功率控制参数,网络在PACCH上将()消息发送给移动台。
A、PACKET MOBILE TBF STATUS
B、PACKET POWER CONTROL/TIMING ADVANCE
C、PACKET SYSTEM INFORMATION TYPE 2
D、PACKET CHANNEL REQUEST
A、PACKET MOBILE TBF STATUS
B、PACKET POWER CONTROL/TIMING ADVANCE
C、PACKET SYSTEM INFORMATION TYPE 2
D、PACKET CHANNEL REQUEST