题目内容
(请给出正确答案)
[单选题]
5GNR下,一个SS/PBCH block包含()个OFDM symbols。
A.1
B.2
C.3
D.4
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A.1
B.2
C.3
D.4
A.3.6MHz
B.7.2MHz
C.28.8MHz
D.57.6MHz
A.Demodulation reference signals for PDSCH
B.Phase—tracking reference signals for PDSCH
C.Demodulation reference signals for PDCCH
D.Demodulation reference signals for PBCH
E.CSI reference signals