C.1 Measurement of transmitter

38.176-13GPPIntegrated Access and Backhaul (IAB) conformance testingNRPart 1: conducted conformance testingRelease 17TS

Table C.1-1: Derivation of test requirements (Transmitter tests)

Test

Minimum requirement in TS 38.174 [2]

Test Tolerance
(TT)

Test requirement in the present document

6.2 IAB output power

See TS 38.174 [2], clause 6.2

Normal and extreme conditions:

0.7 dB, f ≤ 3.0 GHz

1.0 dB, 3.0 GHz < f ≤ 6GHz (Note 1)

Formula:

Upper limit + TT, Lower limit – TT

6.3.1 IAB-DU Output power dynamics

See TS 38.174 [2], clause 6.3.1

0.4 dB

Formula:

Total power dynamic range – TT (dB)

6.3.2 IAB-MT Total power dynamic range

See TS 38.174 [2], clause 6.3.2

±0.7 dB, BW ≤ 40MHz

±1.0 dB, 40MHz < f ≤ 100MHz

Formula:

Total power dynamic range – TT (dB)

6.4.1 Transmitter OFF power

See TS 38.174 [2], clause 6.4.1

2.0 dB, f ≤ 3.0 GHz

2.5 dB, 3.0 GHz < f ≤ 6 GHz

(Note 1)

Formula:

Minimum Requirement + TT

6.4.2 Transient period

See TS 38.174 [2], clause 6.4.2

N/A

6.5.2.1 IAB-DU Frequency error

See TS 38.174 [2], clause 6.5.1.1

12 Hz

Formula:

Frequency Error limit + TT

6.5.2.2 IAB-MT Frequency error

See TS 38.174 [2], clause 6.5.1.2

±15 Hz, f ≤ 3.0GHz

±36 Hz, f > 3.0GHz

Formula:

Frequency Error limit + TT

6.5.4 Modulation quality (EVM)

See TS 38.174 [2], clause 6.5.2

1%

Formula:

EVM limit + TT

6.5.4 Time alignment error

See TS 38.174 [2], clause 6.5.3.1

25ns

Formula:

Time alignment error limit + TT+ TT

6.6.2 Occupied bandwidth

See TS 38.174 [2], clause 6.6.2

0 Hz

Formula:

Minimum Requirement + TT

6.6.3 Adjacent Channel Leakage Power Ratio (ACLR)

See TS 38.174 [2], clause 6.6.3

ACLR/CACLR:

BW ≤ 20MHz:

0.8dB

BW > 20MHz:

1.2 dB

Absolute ACLR/CACLR:

0 dB

Formula:

ACLR Minimum Requirement – TT

Absolute limit +TT

6.6.4 Operating band unwanted emissions

See TS 38.174 [2], clause 6.6.4

Offsets < 10MHz

1.5 dB, f ≤ 3.0GHz

1.8 dB, 3.0GHz < f ≤ 6GHz

(Note 1)

Offsets ≥ 10MHz

0dB

Formula:

Minimum Requirement + TT

6.6.5.5.1 General transmitter spurious emissions requirements

Category A

See TS 38.174 [2], clause 6.6.5.2.1

0dB

Formula:

Minimum Requirement + TT

6.6.5.5.1 General transmitter spurious emissions requirements

Category B

See TS 38.174 [2], clause 6.6.5.2.1

0dB

Formula:

Minimum Requirement + TT

6.6.5.5.2 Additional spurious emissions requirements

See TS 38.174 [2], clause 6.6.5.2.2

0dB

Formula:

Minimum Requirement + TT

6.6.5.5.3 Co-location with other base stations

See TS 38.174 [2], clause 6.6.5.2.3

0dB

Formula:

Minimum Requirement + TT

6.7 Transmitter intermodulation

See TS 38.174 [2], clause 6.7

0dB

Formula: Ratio + TT

NOTE 1: TT values for 4.2 GHz < f ≤ 6.0 GHz apply for IAB operates in licensed spectrum only.

NOTE 2: TT values are applicable for normal condition unless otherwise stated.