specviewer.org TS 38.331 ASN.1 index MasterInformationBlockSidelink

MasterInformationBlockSidelink

PC5-RRC message · TS 38.331 v19.4.0 (2026-09) · clause 6.6.2

MasterInformationBlockSidelink is a PC5-RRC message 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 MasterInformationBlockSidelink includes the system information transmitted by a UE via SL-BCH.

MasterInformationBlockSidelink ::=           SEQUENCE {
    sl-TDD-Config-r16                            BIT STRING (SIZE (12)),
    inCoverage-r16                               BOOLEAN,
    directFrameNumber-r16                        BIT STRING (SIZE (10)),
    slotIndex-r16                                BIT STRING (SIZE (7)),
    reservedBits-r16                             BIT STRING (SIZE (2))
}

Fields (5)

FieldDescription
sl-TDD-Config-r16
BIT STRING (SIZE (12))
inCoverage-r16
BOOLEAN
Value true indicates that the UE transmitting the MasterInformationBlockSidelink is in network coverage, or UE selects GNSS timing as the synchronization reference source.
directFrameNumber-r16
BIT STRING (SIZE (10))
Indicates the frame number in which S-SSB transmitted.
slotIndex-r16
BIT STRING (SIZE (7))
Indicates the slot index in which S-SSB transmitted.
reservedBits-r16
BIT STRING (SIZE (2))

Used by (1)

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