NR系统中上行物理信号不包含哪个()
A.相位跟踪参考信号(Phase-trackingreferencesignals,PT-RS)
B.解调参考信号(Demodulationreferencesignals,DM-RS)
C.信道状态信息参考信号(channel-stateinformationreferencesignal,CSI-RS)
D.探测参考信号(Soundingreferencesignals,SRS)
C、信道状态信息参考信号(channel-stateinformationreferencesignal,CSI-RS)