PathlossReferenceRS (PathlossReferenceRS-r17)

RRC IE · TS 38.331 v19.4.0 (2026-09) · clause 6.3.2

PathlossReferenceRS-r17 is an RRC information element of 3GPP TS 38.331 (38331), the 5G NR Radio Resource Control (RRC) protocol.

First seen v17.3.0 (2023-01) · Not changed since

Definition

The IE PathlossReferenceRS is used to configure a Reference Signal (e.g. a CSI-RS config or a SS block) to be used for path loss estimation for PUSCH, PUCCH and SRS for unified TCI state operation.

PathlossReferenceRS-r17 ::=   SEQUENCE {
    pathlossReferenceRS-Id-r17          PathlossReferenceRS-Id-r17,
    referenceSignal-r17                 CHOICE {
        ssb-Index                           SSB-Index,
        csi-RS-Index                        NZP-CSI-RS-ResourceId
    },
    additionalPCI-r17                   AdditionalPCIIndex-r17                                         OPTIONAL  -- Cond RS-SSB
}

Fields (5)

Used by (2)

• BWP-UplinkDedicated
• LTM-TCI-Info-r18

Uses (4)

• AdditionalPCIIndex-r17
• NZP-CSI-RS-ResourceId
• PathlossReferenceRS-Id-r17
• SSB-Index

In the viewer

• Read PathlossReferenceRS in v19.4.0
• History of PathlossReferenceRS-r17 across versions
• All versions of TS 38.331
• ASN.1 index