5Ｇ NR PDCCH DCI Format

jianglinhua

下行控制信息(DCI: Downlink Control Information)在PDCCH信道上传送，5G NR一共定义了8种在PDCCH信道上发送的DCI格式，参见表6-x所示：

< 38.212 - Table 7.3.1-1: DCI formats >

DCI  Format	Usage
Format 0_0	Scheduling of PUSCH in one cell
Format 0_1	Scheduling of PUSCH in one cell
Format 1_0	Scheduling  of PDSCH in one cell        DCI  format 1_0 with CRC scrambled by C-RNTI        DCI  format 1_0 with CRC scrambled by RA-RNTI        DCI  format 1_0 with CRC scrambled by TC-RNTI        DCI  format 1_0 with CRC scrambled by SI-RNTI        DCI  format 1_0 with CRC scrambled by P-RNTI
Format 1_1	Scheduling of PDSCH in one cell
Format 2_0	Notifying a group of UEs of the slot format
Format 2_1	Notifying a group of UEs of the PRB(s) and OFDM symbol(s)  where UE may assume no transmission is intended for the UE
Format 2_2	Transmission of TPC commands for PUCCH and PUSCH
Format 2_3	Transmission of a group of TPC commands for SRS  transmissions by one or more UEs
2_4	Notifying a group of UEs of the PRB(s) and OFDM symbol(s) where UE cancels  the corresponding UL transmission from the UE
2_5	Notifying the availability of soft resources as defined in Clause [x.x] of  [10, TS 38.473]
2_6	Notifying  the power saving information outside DRX Active Time for one or more UEs
3_0	Scheduling of NR sidelink in one cell
3_1	Scheduling of LTE sidelink in one cell