NR系统中上行物理信号有哪些
A.相位跟踪参考信号(Phase- tracking reference signals, PT-RS) B.信道状态信息参考信号(Channel-state information reference signal, CSI-RS) C.角解调参考信号(Demodulati on reference si gnals, D.探测参考信号(Sounding reference signal, SRS)正确答案ACD
NR系统中上行物理信号有哪些
A.相位跟踪参考信号(Phase- tracking reference signals, PT-RS) B.信道状态信息参考信号(Channel-state information reference signal, CSI-RS) C.角解调参考信号(Demodulati on reference si gnals, D.探测参考信号(Sounding reference signal, SRS)正确答案ACD