Content for TS 38.176-1 Word version: 18.5.0
A Reference measurement channels
B Environmental requirements for the IAB equipment
C Test tolerances and derivation of test requirements
D Measurement system set-up
E Characteristics of interfering signals
F Propagation conditions
F1.1 IAB-MT receiver with 2RX
G In-channel TX tests for IAB-DU
H In-channel TX tests for IAB-MT
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A (Normative) Reference measurement channels p. 187
A.1 IAB-DU and IAB-MT Reference measurement channels p. 187
A.1.1 IAB-DU Reference measurement channels p. 187
A.1.2 IAB-MT Reference measurement channels p. 187
A.2 IAB-DU Fixed Reference Channels p. 187
A.2.1 Fixed Reference Channels for PUSCH performance requirements (QPSK, R = 193/1024) p. 187
A.2.2 Fixed Reference Channels for PUSCH performance requirements (16QAM, R=434/1024) p. 189
A.2.3 Fixed Reference Channels for PUSCH performance requirements (16QAM, R = 658/1024) p. 189
A.2.4 Fixed Reference Channels for PUSCH performance requirements (64QAM, R = 567/1024) p. 190
A.2.5 PRACH test preambles p. 191
A.3 IAB-MT Fixed Reference Channels p. 191
A.3.1 Fixed Reference Channels for PDSCH performance requirements (16QAM) p. 191
A.3.2 Fixed Reference Channels for PDSCH performance requirements (64QAM) p. 192
A.3.3 Fixed Reference Channels for PDSCH performance requirements (256QAM) p. 192
A.3.4 Fixed Reference Channels for PDCCH performance requirements p. 193
A.3.5 Fixed Reference Channels for CSI reporting performance requirements p. 193
B (Normative) Environmental requirements for the IAB equipment p. 195
B.1 General p. 195
B.2 Normal test environment p. 195
B.3 Extreme test environment p. 195
B.3.1 General p. 195
B.3.2 Extreme temperature p. 195
B.4 Vibration p. 196
B.5 Power supply p. 196
B.6 Measurement of test environments p. 196
C Test tolerances and derivation of test requirements p. 198
C.1 Measurement of transmitter p. 198
C.2 Measurement of receiver p. 200
C.3 Measurement of performance requirements p. 201
C.3.1 List IAB-DU TTs p. 201
C.3.2 List IAB-MT TTs p. 201
D Measurement system set-up p. 202
D.1 IAB type 1-H transmitter p. 202
D.1.1 IAB output power, output power dynamics, transmitter ON/OFF power, frequency error, EVM, unwanted emissions for IAB type 1-H p. 202
D.1.2 Transmitter intermodulation for IAB type 1-H p. 203
D.1.3 Transmitter spurious emissions for IAB type 1-H p. 204
D.1.4 Time alignment error for IAB-DU p. 205
D.2 IAB type 1-H receiver p. 206
D.2.1 Reference sensitivity level for IAB type 1-H p. 206
D.2.2 Receiver dynamic range for IAB type 1-H p. 206
D.2.3 Receiver adjacent channel selectivity and narrowband blocking for IAB type 1-H p. 207
D.2.4 Receiver spurious emissions p. 207
D.2.5 Receiver In-channel selectivity for IAB type 1-H p. 209
D.2.6 Receiver intermodulation for IAB type 1-H p. 209
D.3 IAB type 1-H performance requirements p. 210
D.3.1 Performance requirements for PUSCH and PUCCH on single antenna port in multipath fading conditions p. 210
D.3.2 Performance requirements for PUSCH, PDSCH, PDCCH transmission and PMI/RI reporting on two antenna ports in multipath fading conditions p. 211
D.3.3 Performance requirements for PUSCH, PRACH transmission and CQI reporting in static conditions p. 212
E (Normative) Characteristics of interfering signals p. 213
E.1 Characteristics of the interfering signals for IAB-DU p. 213
E.2 Characteristics of the interfering signals for IAB-MT p. 213
F (Normative) Propagation conditions p. 214
F.1 Static propagation condition p. 214
F1.1 IAB-MT receiver with 2RX p. 214
F.2 Multi-path fading propagation conditions p. 214
F.2.1 General p. 214
F.2.2 Delay profiles p. 214
F.2.2.1 General p. 214
F.2.2.2 Delay profiles for FR1 p. 216
F.2.3 Combinations of channel model parameters p. 217
F.2.4 MIMO channel correlation matrices p. 217
F.2.4.1 General p. 217
F.2.4.2 MIMO correlation matrices using Uniform Linear Array p. 217
F.2.4.2.1 General p. 217
F.2.4.2.2 Definition of MIMO correlation matrices p. 217
F.2.4.2.3 MIMO correlation matrices at high, medium and low level p. 219
F.2.4.3 Multi-antenna channel models using cross polarized antennas p. 221
F.2.4.3.1 General p. 221
F.2.4.3.2 Definition of MIMO correlation matrices using cross polarized antennas p. 221
F.2.4.3.3 Spatial correlation matrices at UE/IAB-MT and IAB-DU/gNB sides p. 222
F.2.4.3.3.1 Spatial correlation matrices at IAB-MT/UE side p. 222
F.2.4.3.3.2 Spatial correlation matrices at IAB-DU/gNB side p. 222
F.2.4.3.4 MIMO correlation matrices using cross polarized antennas p. 222
F.2.4.3.5 Beam steering approach p. 223
G (Normative) In-channel TX tests for IAB-DU p. 225
H (Normative) In-channel TX tests for IAB-MT p. 226
H.0 Applicability p. 226
H.1 General p. 226
H.2 Basic principles p. 226
H.2.1 Output signal of the TX under test p. 226
H.2.2 Ideal signal p. 226
H.2.3 Measurement results p. 227
H.2.4 Measurement points p. 227
H.3 Pre-FFT minimization process p. 228
H.4 Timing of the FFT window p. 228
H.5 Resource element TX power p. 229
H.6 Post-FFT equalisation p. 230
H.7 EVM p. 231
H.7.0 General p. 231
H.7.1 Averaged EVM (TDD) p. 232
$ Change history p. 233
