E.2 FR2 gNB configurations

38.1513GPPNRRelease 17TSUser Equipment (UE) Multiple Input Multiple Output (MIMO) Over-the-Air (OTA) performance requirements

The gNodeB emulator parameters for FR2 MIMO OTA testing shall be set according to Table E.2-1 for FR2 common parameters and Table E.2-2 for FR2 TDD 2×2 test parameters.

Table E.2-1: FR2 Common test parameters

Parameter

Unit

Value

PDSCH transmission scheme

Transmission scheme 1

PTRS epre-Ratio

0

Actual carrier configuration

Offset between Point A and the lowest usable subcarrier on this carrier (Note 2)

RBs

0

Subcarrier spacing

kHz

120

DL BWP configuration #1

Cyclic prefix

Normal

RB offset

RBs

0

Number of contiguous PRB

PRBs

Maximum transmission bandwidth configuration as specified in clause 5.3.2 of TS 38.101-2 for tested channel bandwidth and subcarrier spacing

Common serving cell parameters

Physical Cell ID

0

SSB position in burst

1

SSB periodicity

ms

20

First DMRS position for Type A PDSCH mapping

2

PDCCH configuration

Slots for PDCCH monitoring

Each slot

Symbols with PDCCH

0

Number of PRBs in CORESET

Table 7.2-2 of TS 38.101-4 for tested channel bandwidth and subcarrier spacing

Number of PDCCH candidates and aggregation levels

1/AL8

CCE-to-REG mapping type

Non-interleaved

DCI format

1_1

TCI state

TCI state #1

Cross carrier scheduling

Not configured

CSI-RS for tracking

First subcarrier index in the PRB used for CSI-RS (k0)

0 for CSI-RS resource 1,2,3,4

First OFDM symbol in the PRB used for CSI-RS (l0)

6 for CSI-RS resource 1 and 3
10 for CSI-RS resource 2 and 4

Number of CSI-RS ports (X)

1 for CSI-RS resource 1,2,3,4

CDM Type

‘No CDM’ for CSI-RS resource 1,2,3,4

Density (ρ)

3 for CSI-RS resource 1,2,3,4

CSI-RS periodicity

Slots

120 kHz SCS: 160 for CSI-RS resource 1,2,3,4

CSI-RS offset

Slots

120 kHz SCS:

80 for CSI-RS resource 1 and 2

81 for CSI-RS resource 3 and 4

Frequency Occupation

Start PRB 0

Number of PRB = BWP size

QCL info

TCI state #0

NZP CSI-RS for CSI acquisition

First subcarrier index in the PRB used for CSI-RS (k0)

0

First OFDM symbol in the PRB used for CSI-RS (l0)

12

Number of CSI-RS ports (X)

2

CDM Type

FD-CDM2

Density (ρ)

1

CSI-RS periodicity

Slots

120 kHz SCS: 160

CSI-RS offset

0

Frequency Occupation

Start PRB 0

Number of PRB = BWP size

QCL info

TCI state #1

ZP CSI-RS for CSI acquisition

First subcarrier index in the PRB used for CSI-RS (k0)

4

First OFDM symbol in the PRB used for CSI-RS (l0)

12

Number of CSI-RS ports (X)

4

CDM Type

FD-CDM2

Density (ρ)

1

CSI-RS periodicity

Slots

120 kHz SCS: 160

CSI-RS offset

0

Frequency Occupation

Start PRB 0

Number of PRB = BWP size

CSI-RS for beam refinement

First subcarrier index in the PRB used for CSI-RS

k0=0 for CSI-RS resource 1,2

First OFDM symbol in the PRB used for CSI-RS

l0 = 8 for CSI-RS resource 1

l0 = 9 for CSI-RS resource 2

Number of CSI-RS ports (X)

1 for CSI-RS resource 1,2

CDM Type

‘No CDM’ for CSI-RS resource 1,2

Density (ρ)

3 for CSI-RS resource 1,2

CSI-RS periodicity

Slots

60 kHz SCS: 80 for CSI-RS resource 1,2

120 kHz SCS: 160 for CSI-RS resource 1,2

CSI-RS offset

Slots

0 for CSI-RS resource 1,2

QCL info

TCI state #1

PDSCH DMRS configuration

Antenna ports indexes

{1000} for Rank 1 tests
{1000, 1001} for Rank 2 tests

Number of PDSCH DMRS CDM group(s) without data

1

TCI state #0

Type 1 QCL information

SSB index

SSB #0

QCL Type

Type C

Type 2 QCL information

SSB index

SSB #0

QCL Type

Type D

TCI state #1

Type 1 QCL information

CSI-RS resource

CSI-RS resource 1 from ‘CSI-RS for tracking’ configuration

QCL Type

Type A

Type 2 QCL information

CSI-RS resource

CSI-RS resource 1 from ‘CSI-RS for tracking’ configuration

QCL Type

Type D

PTRS configuration

Frequency density (KPT-RS)

2

Time density (LPT-RS)

1

Maximum number of code block groups for ACK/NACK feedback

1

Maximum number of HARQ transmission

1

HARQ ACK/NACK bundling

Multiplexed

Redundancy version coding sequence

{0,2,3,1}

Precoding configuration

SP Type I, Random per slot with PRB bundling granularity

Symbols for all unused Res

OCNG in Annex A.5 of TS 38.101-4

Minimum Number of Slots per Stream

20000 for FR2 UMi CDL-C

Transmit Power Control

dBm

13 dBm

Note 1: UE assumes that the TCI state for the PDSCH is identical to the TCI state applied for the PDCCH transmission.

Note 2: Point A coincides with minimum guard band as specified in Table 5.3.3-1 from TS 38.101-2 for tested channel bandwidth and subcarrier spacing.

Table E.2-2: Test parameters for FR2 TDD 2×2

Parameter

Unit

Value

Duplex mode

TDD

Reference channel

R.PDSCH.5-2.2 TDD (Note 1)

Bandwidth

MHz

100

SCS

kHz

120

Modulation DL

16QAM

Modulation UL

QPSK

Active DL BWP index

1

CSI-RS for tracking

First OFDM symbol in the PRB used for CSI-RS (l0)

Table E.2-1

CSI-RS offset

Slots

Table E.2-1

PDCCH configuration

Number of PDCCH candidates and aggregation levels

1/AL8

PDSCH configuration

Mapping type

Type A

k0

0

Starting symbol (S)

1

Length (L)

Specific to each Reference channel as defined in A.3.2.2 of TS 38.101-4

PDSCH aggregation factor

1

PRB bundling type

Static

PRB bundling size

WB for Test 1-1,

2 for other tests

Resource allocation type

Type 0

RBG size

config2

VRB-to-PRB mapping type

Non-interleaved

VRB-to-PRB mapping interleaver bundle size

N/A

PDSCH DMRS configuration

DMRS Type

Type 1

Number of additional DMRS

1

Maximum number of OFDM symbols for DL front loaded DMRS

1

Number of HARQ Processes

1

TDD UL-DL pattern

FR2.120-1 (Note2)

Note 1: “R.PDSCH.5-2.2 TDD” is defined in Table A.3.2.2.5-2 of TS 38.101-4

Note 2: “FR2.120-1” is defined in Annex A.1.3 of TS 38.101-4

Annex F (normative):
<Environmental requirements>