NR物理信道的流程正确的是( )
A小区搜索涉及的物理信道:PSS/SSS->PBCH->PDCCH->PDSCH
B随机接入涉及的物理信道:PRACH->PDCCH->PDSCH->PUSCH
C下行数据传输涉及的物理信道:PDSCH->PDCCH->PUCCH
D上行数据传输涉及的物理信道:PUCCH->PDCCH->PUSCH
A小区搜索涉及的物理信道:PSS/SSS->PBCH->PDCCH->PDSCH
B随机接入涉及的物理信道:PRACH->PDCCH->PDSCH->PUSCH
C下行数据传输涉及的物理信道:PDSCH->PDCCH->PUCCH
D上行数据传输涉及的物理信道:PUCCH->PDCCH->PUSCH