A.5 OFDMA Channel Noise Generator (OCNG)

38.521-23GPPNRPart 2: Range 2 StandaloneRadio transmission and receptionRelease 17TSUser Equipment (UE) conformance specification

A.5.1 OCNG Patterns for FDD

TBD

A.5.2 OCNG Patterns for TDD

A.5.2.1 OCNG TDD pattern 1: Generic OCNG TDD Pattern for all unused REs

Table A.5.2.1-1: OP.1 TDD: Generic OCNG TDD Pattern for all unused REs

OCNG Distribution

OCNG Parameters

Control Region
(Core Set)

Data Region

Resources allocated

All unused REs (Note 1)

All unused REs (Note 2)

Structure

PDCCH

PDSCH

Content

Uncorrelated pseudo random QPSK modulated data

Uncorrelated pseudo random QPSK modulated data

Transmission scheme for multiple

antennas ports transmission

Single Tx port transmission

Spatial multiplexing using any precoding matrix with dimensions same as the precoding matrix for PDSCH

Subcarrier Spacing

Same as for RMC PDCCH in the active BWP

Same as for RMC PDSCH in the active BWP

Power Level

Same as for RMC PDCCH

Same as for RMC PDSCH

Note 1: All unused REs in the active CORESETS appointed by the search spaces in use.

Note 2: Unused available REs refer to REs in PRBs not allocated for any physical channels, CORESETs, synchronization signals or reference signals in channel bandwidth.

Annex B (normative):
Propagation conditions