5G(NR)中的DCI( Downlink Control Information)就是下行控制信息,其中:Format 0_0用于小區(qū)的上行PUSCH調(diào)度,其中包括頻域、時(shí)域及跳頻等信息,主要內(nèi)容如下:
Field (Item)
Bits
Reference
主要內(nèi)容
Identifier for DCI formats
1
Frequency domain resource assignment
4
Variable with UL BWP N_RB.
Indicate PRB location within the BWP.
The number of bits and the value is determined as described
頻域(RB中上行BWP)指示
Time domain resource assignment
X
Carries the row index of the items in pusch_allocationList in RRC
時(shí)域(RRC中)指示
Frequency Hopping Flag
跳頻指示
Modulation and coding scheme
5
38.214 - 6.1.4
解調(diào)和編碼
New data indicator
新數(shù)據(jù)指示
Redundancy version
2
0,1,2,3
冗余版本
HARQ process number
HARQ進(jìn)程數(shù)
TPC command for scheduled PUSCH
38.213 - Table 7.1.1-1
TPC命令調(diào)度(PUSCH信道)
UL/SUL indicator
0 or 1
0 bit : SUL not figured
1 bit : SUL configured
0 bit : 未配置SUL
1 bit : 配置SUL
表中相關(guān)公式和參數(shù):
頻域計(jì)算公式
38.214 v15.1 - Table 6.1.4.1-1: MCS index table for PUSCH with transform precoding and 64QAM >
MCS Index
I_MCS
Modulation Order
Qm
Target code Rate
R x 1024
Spectral
efficiency
0
q
240/ q
0.2344
314/ q
0.3066
193
0.377
3
251
0.4902
308
0.6016
379
0.7402
6
449
0.877
7
526
1.0273
8
602
1.1758
9
679
1.3262
10
340
1.3281
11
378
1.4766
12
434
1.6953
13
490
1.9141
14
553
2.1602
15
616
2.4063
16
658
2.5703
17
466
2.7305
18
517
3.0293
19
567
3.3223
20
3.6094
21
666
3.9023
22
719
4.2129
23
772
4.5234
24
822
4.8164
25
873
5.1152
26
910
5.332
27
948
5.5547
28
reserved
29
30
31
38.213 v2.0.0 - Table 7.1.1-1
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