SLRB-Uu-ConfigIndex (SLRB-Uu-ConfigIndex-r16)

RRC IE · TS 38.331 v19.4.0 (2026-09) · clause 6.3.5

SLRB-Uu-ConfigIndex-r16 is an RRC information element of 3GPP TS 38.331 (38331), the 5G NR Radio Resource Control (RRC) protocol.

First seen v16.0.0 (2020-04) · Not changed since

Definition

The IE SLRB-Uu-ConfigIndex is used to identify a sidelink DRB configuration from the network side, or to indicate an end-to-end sidelink DRB by L2 U2U Relay UE in SidelinkUEInformation message.

SLRB-Uu-ConfigIndex-r16 ::=                    INTEGER (1..maxNrofSLRB-r16)

Used by (6)

• SL-ConfigDedicatedNR-r16
• SL-MappingConfig-U2U-r18
• SL-PerSLRB-QoS-Info-r18
• SL-RLC-BearerConfig-r16
• SL-RadioBearerConfig-r16
• SL-SRAP-ConfigU2U-r18

Uses (1)

• maxNrofSLRB-r16

In the viewer

• Read SLRB-Uu-ConfigIndex in v19.4.0
• History of SLRB-Uu-ConfigIndex-r16 across versions
• All versions of TS 38.331
• ASN.1 index