NR系统中上行物理信号有哪些()。A.解调参考信号(Demodulation reference signal...
A.解调参考信号(Demodulation reference signals,DM-RS)
B.相位跟踪参考信号(Phase-tracking reference signals,PT-RS)
C.探测参考信号(Sounding reference signals,SRS)
D.信道状态信息参考信号(channel-stateinformation reference signal,CSI-RS)