ETSI TS 138 101-4 V18.10.0 (2026-03)

5G; NR; User Equipment (UE) radio transmission and reception; Part 4: Performance requirements (3GPP TS 38.101-4 version 18.10.0 Release 18)

RTS/TSGR-0438101-4via0

General Information

• Status: Not Published
• Technical Committee: 3GPP RAN 4 - Specification for radio performance
• Current Stage: 12 - Citation in the OJ (auto-insert)
• Completion Date: 16-Mar-2026

Standards Content (Sample)

TECHNICAL SPECIFICATION
5G;
NR;
User Equipment (UE) radio transmission and reception;
Part 4: Performance requirements
(3GPP TS 38.101-4 version 18.10.0 Release 18)

3GPP TS 38.101-4 version 18.10.0 Release 18 1 ETSI TS 138 101-4 V18.10.0 (2026-03)

Reference
RTS/TSGR-0438101-4via0
Keywords
5G
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ETSI
3GPP TS 38.101-4 version 18.10.0 Release 18 2 ETSI TS 138 101-4 V18.10.0 (2026-03)
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ETSI
3GPP TS 38.101-4 version 18.10.0 Release 18 3 ETSI TS 138 101-4 V18.10.0 (2026-03)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 16
1 Scope . 18
2 References . 18
3 Definitions, symbols and abbreviations . 19
3.1 Definitions . 19
3.2 Symbols . 20
3.3 Abbreviations . 20
4 General . 21
4.1 Relationship between minimum requirements and test requirements . 21
4.2 Applicability of minimum requirements . 22
4.3 Specification suffix information . 22
4.4 Conducted requirements . 22
4.4.0 Introduction. 22
4.4.1 Reference point . 22
4.4.2 SNR definition . 22
4.4.3 Noc. 23
4.4.3.1 Introduction . 23
4.4.3.2 Noc for NR operating bands in FR1 . 23
4.4.3.2.1 Derivation of Noc values for NR operating bands in FR1 . 23
4.4.4 Es . 24
4.4.4.1 Introduction . 24
4.4.4.2 Es for NR operating bands in FR1 . 24
4.4.4.2.1 Derivation of Es values for NR operating bands in FR1 . 24
4.5 Radiated requirements . 25
4.5.0 Introduction. 25
4.5.1 Reference point . 25
4.5.2 SNR definition . 25
4.5.3 Noc. 26
4.5.3.1 Introduction . 26
4.5.3.2 Noc for NR operating bands in FR2 . 26
4.5.3.3 Derivation of Noc values for NR operating bands in FR2 . 26
4.5.4 Angle of arrival . 27
4.5.5 Es . 27
5 Demodulation performance requirements (Conducted requirements) . 27
5.1 General . 27
5.1.1 Applicability of requirements . 27
5.1.1.1 General . 27
5.1.1.2 Applicability of requirements for different number of RX antenna ports . 27
5.1.1.3 Applicability of requirements for optional UE features . 28
5.1.1.4 Applicability of requirements for mandatory UE features with capability signalling . 34
5.1.1.5 Applicability of different requirements for HST . 36
5.1.1.6 Applicability and test rules for PDSCH performance requirements with power imbalance for
intra-band contiguous CA . 37
5.1.1.7 Applicability of CA requirements . 37
5.1.1.7.1 Definition of CA capability . 37
5.1.1.7.2 Applicability and test rules for different CA configurations and bandwidth combination sets . 38
5.1.1.7.3 Applicability rule and antenna connection for CA tests with 4 RX . 39
5.1.1.7.4 Applicability of different requirements for HST . 39
5.1.1.7.5 Applicability and test rules for different CA configurations and bandwidth combination sets
for 8Rx UE . 41
ETSI
3GPP TS 38.101-4 version 18.10.0 Release 18 4 ETSI TS 138 101-4 V18.10.0 (2026-03)
5.1.1.7.6 Applicability rule and antenna connection for CA tests with 8 RX . 43
5.1.1.7.7 Applicability rule for optional UE features for 8Rx . 43
5.1.1.8 Applicability of different requirements with Multi-TRxP . 43
5.1.1.9 Applicability of requirements for PDSCH on bands with shared spectrum access . 44
5.1.1.10 Applicability of requirements for PDSCH with inter cell interference . 44
5.1.1.11 Applicability of requirements for RedCap . 44
5.1.1.14 Applicability of requirements for eRedCap . 47
5.2 PDSCH demodulation requirements . 47
5.2.1 1RX requirements . 50
5.2.1.1 FDD. 50
5.2.1.1.1 Minimum requirements for RedCap . 50
5.2.1.1.2 Minimum requirements for eRedCap . 51
5.2.1.2 TDD . 53
5.2.1.2.1 Minimum requirements for RedCap . 53
5.2.1.2.2 Minimum requirements for eRedCap . 54
5.2.2 2RX requirements . 55
5.2.2.1 FDD. 55
5.2.2.1.1 Minimum requirements for PDSCH Mapping Type A . 55
5.2.2.1.2 Minimum requirements for PDSCH Mapping Type A and CSI-RS overlapped with PDSCH . 57
5.2.2.1.3 Minimum requirements for PDSCH Mapping Type B . 58
5.2.2.1.4 Minimum requirements for PDSCH Mapping Type A and LTE-NR coexistence . 59
5.2.2.1.5 Minimum requirements for PDSCH 0.001% BLER. 60
5.2.2.1.6 Minimum requirements for PDSCH repetitions over multiple slots . 61
5.2.2.1.7 Minimum requirements for PDSCH Mapping Type B and UE processing capability 2 . 62
5.2.2.1.8 Minimum requirements for PDSCH pre-emption. 63
5.2.2.1.9 Minimum requirements for PDSCH HST-SFN . 64
5.2.2.1.10 Minimum requirements for HST-DPS . 64
5.2.2.1.11 Minimum requirements for PDSCH Single-DCI based SDM scheme . 67
5.2.2.1.12 Minimum requirements for PDSCH Multi-DCI based transmission scheme . 68
5.2.2.1.13 Minimum requirements for PDSCH with single-DCI based FDM Scheme A . 70
5.2.2.1.14 Minimum requirements for PDSCH with single-DCI based Inter-slot TDM scheme . 71
5.2.2.1.15 Minimum requirements for PDSCH with inter-cell i nterfere nce . 73
5.2.2.1.16 Minimum requirements for PDSCH with intra cell inter user interference . 74
5.2.2.1.17 Minimum requirements for RedCap . 76
5.2.2.1.18 Minimum requirements for PDSCH CRS interference mitigation under NR-LTE coexistence
scenario . 78
5.2.2.1.19 Minimum requirements for PDSCH with inter cell CRS interference . 79
5.2.2.1.20 Minimum requirements for HST-SFN Scheme A . 81
5.2.2.1.21 Minimum requirements for HST-SFN Scheme B . 83
5.2.2.1.23 Minimum requirements for eRedCap . 86
5.2.2.2 TDD . 88
5.2.2.2.1 Minimum requirements for PDSCH Mapping Type A . 88
5.2.2.2.2 Minimum requirements for PDSCH Mapping Type A and CSI-RS overlapped with PDSCH . 90
5.2.2.2.3 Minimum requirements for PDSCH Mapping Type B . 91
5.2.2.2.4 Minimum requirements for PDSCH Mapping Type A and LTE-NR coexistence . 92
5.2.2.2.5 Minimum requirements for PDSCH 0.001% BLER. 93
5.2.2.2.6 Minimum requirements for PDSCH repetitions over multiple slots . 94
5.2.2.2.7 Minimum requirements for PDSCH Mapping Type B and UE processing capability 2 . 95
5.2.2.2.8 Minimum requirements for PDSCH pre-emption. 96
5.2.2.2.9 Minimum requirements for HST-SFN . 97
5.2.2.2.10 Minimum requirements for HST-DPS . 97
5.2.2.2.11 Minimum requirements for PDSCH Single-DCI based SDM scheme . 99
5.2.2.2.12 Minimum requirements for PDSCH Multi-DCI based transmission scheme . 101
5.2.2.2.13 Minimum requirements for PDSCH with single-DCI based FDM Scheme A . 103
5.2.2.2.14 Minimum requirements for PDSCH with single-DCI based Inter-slot TDM scheme . 104
5.2.2.2.15 Minimum requirements for PDSCH of PCell on band with shared spectrum access . 106
5.2.2.2.16 Minimum requirements for PDSCH with inter-cell i nterfere nce . 107
5.2.2.2.17 Minimum requirements for PDSCH with intra cell inter user interference . 108
5.2.2.2.18 Minimum requirements for RedCap . 110
5.2.2.2.19 Minimum requirements for PDSCH CRS interference mitigation under NR-LTE coexistence
scenario . 111
5.2.2.2.20 Minimum requirements for PDSCH with inter cell CRS interference . 113
ETSI
3GPP TS 38.101-4 version 18.10.0 Release 18 5 ETSI TS 138 101-4 V18.10.0 (2026-03)
5.2.2.2.21 Minimum requirements for HST-SFN Scheme A . 115
5.2.2.2.22 Minimum requirements for HST-SFN Scheme B . 117
5.2.2.2.24 Minimum requirements for eRedCap . 121
5.2.3 4RX requirements . 122
5.2.3.1 FDD. 122
5.2.3.1.1 Minimum requirements for PDSCH Mapping Type A . 122
5.2.3.1.2 Minimum requirements for PDSCH Mapping Type A and CSI-RS overlapped with PDSCH . 125
5.2.3.1.3 Minimum requirements for PDSCH Mapping Type B . 126
5.2.3.1.4 Minimum requirements for PDSCH Mapping Type A and LTE-NR coexistence . 126
5.2.3.1.5 Minimum requirements for PDSCH 0.001% BLER. 127
5.2.3.1.6 Minimum requirements for PDSCH repetitions over multiple slots . 128
5.2.3.1.7 Minimum requirements for PDSCH Mapping Type B and UE processing capability 2 . 129
5.2.3.1.8 Minimum requirements for PDSCH pre-emption. 130
5.2.3.1.9 Minimum requirements for PDSCH HST-SFN . 131
5.2.3.1.10 Minimum requirements for HST-DPS . 132
5.2.3.1.11 Minimum requirements for PDSCH Single-DCI based SDM scheme . 134
5.2.3.1.12 Minimum requirements for PDSCH Multi-DCI based transmission scheme . 135
5.2.3.1.13 Minimum requirements for PDSCH with single-DCI based FDM Scheme A . 137
5.2.3.1.14 Minimum requirements for PDSCH with single-DCI based Inter-slot TDM scheme . 138
5.2.3.1.15 Minimum requirements for PDSCH with inter-cell i nterfere nce . 140
5.2.3.1.16 Minimum requirements for PDSCH with intra-cell inter-user interference . 141
5.2.3.1.17 Minimum requirements for PDSCH CRS interference mitigation under NR-LTE coexistence
scenario . 144
5.2.3.1.18 Minimum requirements for PDSCH with inter cell CRS interference . 145
5.2.3.1.19 Minimum requirements for HST-SFN Scheme A . 147
5.2.3.1.20 Minimum requirements for HST-SFN Scheme B . 149
5.2.3.2 TDD . 152
5.2.3.2.1 Minimum requirements for PDSCH Mapping Type A . 152
5.2.3.2.2 Minimum requirements for PDSCH Mapping Type A and CSI-RS overlapped with PDSCH . 155
5.2.3.2.3 Minimum requirements for PDSCH Mapping Type B . 155
5.2.3.2.4 Minimum requirements for PDSCH Mapping Type A and LTE-NR coexistence . 156
5.2.3.2.5 Minimum requirements for PDSCH 0.001% BLER. 157
5.2.3.2.6 Minimum requirements for PDSCH repetitions over multiple slots . 158
5.2.3.2.7 Minimum requirements for PDSCH Mapping Type B and UE processing capability 2 . 159
5.2.3.2.8 Minimum requirements for PDSCH pre-emption. 160
5.2.3.2.9 Minimum requirements for HST-SFN . 161
5.2.3.2.10 Minimum requirements for HST-DPS . 162
5.2.3.2.11 Minimum requirements for PDSCH Single-DCI based SDM scheme . 164
5.2.3.2.12 Minimum requirements for PDSCH Multi-DCI based transmission scheme . 165
5.2.3.2.13 Minimum requirements for PDSCH with single-DCI based FDM Scheme A . 167
5.2.3.2.14 Minimum requirements for PDSCH with single-DCI based Inter-slot TDM scheme . 169
5.2.3.2.16 Minimum requirements for PDSCH with inter-cell i nterfere nce . 171
5.2.3.2.17 Minimum requirements for PDSCH with intra-cell inter-user interference . 173
5.2.3.2.18 Minimum requirements for PDSCH CRS interference mitigation under NR-LTE coexistence

scenario . 175
5.2.3.2.19 Minimum requirements for PDSCH with inter cell CRS interference . 177
5.2.3.2.20 Minimum requirements for HST-SFN Scheme A . 179
5.2.3.2.21 Minimum requirements for HST-SFN Scheme B . 181
5.2.3.2.22 Minimum requirements for ATG. 183
5.2.4 8RX requirements . 184
5.2.4.1 FDD. 184
5.2.4.1.1 Minimum requirements for PDSCH Mapping Type A . 184
5.2.4.2 TDD . 186
5.2.4.2.1 Minimum requirements for PDSCH Mapping Type A . 186
5.2A PDSCH demodulation requirements for CA . 188
5.2A.1 1RX requirements . 189
5.2A.2 2RX requirements . 189
5.2A.2.1 Minimum requirements . 189
5.2A.2.2 Minimum requirements for carrier aggregation with power imbalance . 191
5.2A.2.3 Minimum requirements for PDSCH of SCell on band with shared spectrum access . 192
5.2A.2.6 Minimum requirements for non-collocated scenarios for intra-band non-contiguous NR-CA . 199
5.2A.3 4RX requirements . 200
ETSI
3GPP TS 38.101-4 version 18.10.0 Release 18 6 ETSI TS 138 101-4 V18.10.0 (2026-03)
5.2A.3.1 Minimum requirements . 200
5.2A.3.2 Minimum requirements for carrier aggregation with power imbalance . 202
5.2A.3.3 Minimum requirements for PDSCH of SCell on band with shared spectrum access . 203
5.2A.3.4 Minimum requirements for HST-SFN CA . 204
5.2A.3.5 Minimum requirements for PDSCH HST-DPS CA . 206
5.2A.4 8RX requirements . 210
5.2A.4.1 Minimum requirements . 210
5.3 PDCCH demodulation requirements . 214
5.3.1 1RX requirements . 215
5.3.1.1 FDD. 216
5.3.1.1.1 Minimum requirements for RedCap . 216
5.3.1.2 TDD . 216
5.3.1.2.1 Minimum requirements for RedCap . 216
5.3.2 2RX requirements . 216
5.3.2.1 FDD. 216
5.3.2.1.1 Minimum requirements with 1TX antenna . 217
5.3.2.1.2 Minimum requirements with 2TX antenna . 217
5.3.2.1.3 Minimum requirements for power saving . 217
5.3.2.1.4 Minimum requirements for RedCap . 218
5.3.2.1.5 Minimum requirements for PDCCH with intra-slot repetition . 218
5.3.2.1.6 Minimum requirements for PDCCH overlapping with LTE CRS . 219
5.3.2.1.7 Minimum requirements for 3 MHz channel bandwidth . 220
5.3.2.2 TDD . 221
5.3.2.2.1 Minimum requirements with 1TX antenna . 221
5.3.2.2.2 Minimum requirements with 2TX antenna . 221
5.3.2.2.3 Minimum requirements for power saving . 221
5.3.2.2.4 Minimum requirements for RedCap . 222
5.3.2.2.5 Minimum requirements for PDCCH with intra-slot repetition . 222
5.3.3 4RX requirements . 225
5.3.3.1 FDD. 225
5.3.3.1.1 Minimum requirements with 1TX antenna . 225
5.3.3.1.2 Minimum requirements with 2TX antenna . 225
5.3.3.1.3 Minimum requirements for power saving . 225
5.3.3.1.4 Minimum requirements for PDCCH with intra-slot repetition . 226
5.3.3.1.5 Minimum requirements for PDCCH overlapping with LTE CRS . 227
5.3.3.1.6 Minimum requirements for 3 MHz channel bandwidth . 228
5.3.3.2 TDD . 228
5.3.3.2.1 Minimum requirements with 1TX antenna . 229
5.3.3.2.2 Minimum requirements with 2TX antenna . 229
5.3.3.2.3 Minimum requirements for power saving . 229
5.3.3.2.4 Minimum requirements for PDCCH with intra-slot repetition . 230
5.3.3.2.5 Minimum requirement for PDCCH overlapping with LTE CRS . 231
5.4 PBCH demodulation requirements . 232
5.4.1 1RX requirements . 232
5.4.1.1 FDD. 232
5.4.1.2 TDD . 233
5.4.2 2RX requirements . 233
5.4.2.1 FDD. 233
5.4.2.2 TDD . 234
5.4.3 4RX requirements . 235
5.4.3.1 FDD. 235
5.4.3.2 TDD . 235
5.5 Sustained downlink data rate provided by lower layers . 236
5.5.1 FR1 single carrier requirements . 236
5.5A Sustained downlink data rate provided by lower layers . 236
5.5A.1 FR1 CA requirements . 236
5.6 PDSCH absolute physical layer throughput requirements . 242
5.6.1 1RX requirements . 242
5.6.2 2RX requirements . 242
5.6.2.1 FDD. 242
5.6.2.1.1 Minimum requirements with Link Adaptation . 242
5.6.2.2 TDD . 243
ETSI
3GPP TS 38.101-4 version 18.10.0 Release 18 7 ETSI TS 138 101-4 V18.10.0 (2026-03)
5.6.2.2.1 Minimum requirements with Link Adaptation . 243
5.6.3 4Rx requirements . 245
5.6.3.1 FDD. 245
5.6.3.1.1 Minimum requirements with Link Adaptation . 245
5.6.3.2 TDD . 246
5.6.3.2.1 Minimum requirements with Link Adaptation . 246
6 CSI reporting requirements (Conducted requirements) . 249
6.1 General . 249
6.1.1 Applicability of requirements . 249
6.1.1.1 General . 249
6.1.1.2 Applicability of requirements for different number of RX antenna ports . 249
6.1.1.3 Applicability of requirements for optional UE features . 250
6.1.1.4 Applicability of requirements for mandatory UE features with capability signalling . 251
6.1.1.5 Applicability of Channel Quality Indicator (CQI) reporting requirements for CA . 252
6.1.1.5.1 Applicability and test rules for different duplex modes and SCS combinations . 252
6.1.1.5.2 Applicability and test rules for different CA configurations and bandwidth combination sets . 252
6.1.1.5.3 Test coverage for different number of componenet carriers . 252
6.1.1.5.4 Applicability rule and antenna connection for CA tests with 4 RX . 252
6.1.1.6 Applicability of requirements for RedCap . 252
6.1.1.7 Applicability of requirements for eRedCap . 253
6.1.1.8 Applicability of requirements for ATG . 253
6.1.2 Common test parameters . 254
6.2 Reporting of Channel Quality Indicator (CQI) . 257
6.2.1 1RX requirements . 257
6.2.1.1 FDD. 257
6.2.1.1.1 CQI reporting definition under AWGN conditions . 257
6.2.1.1.1.1 Minimum requirement for periodic CQI reporting for RedCap . 257
6.2.1.1.2 CQI reporting under fading conditions . 259
6.2.1.1.2.2 Minimum requirement for wideband CQI reporting for eRedCap . 261
6.2.1.2 TDD . 263
6.2.1.2.1 CQI reporting definition under AWGN conditions . 263
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