SIB28 (SIB28-r19)

RRC IE · TS 38.331 v19.4.0 (2026-09) · clause 6.3.1

SIB28-r19 is an RRC information element of 3GPP TS 38.331 (38331), the 5G NR Radio Resource Control (RRC) protocol.

First seen v19.1.0 (2026-01) · Not changed since

Definition

SIB28 contains satellite assistance information for IoT NTN access.

SIB28-r19 ::=                            SEQUENCE {
    ntn-NeighCellConfigListBLCE-r19          NTN-NeighCellConfigListIoT-r19                                       OPTIONAL,  -- Need R
    ntn-NeighCellConfigListNB-r19            NTN-NeighCellConfigListIoT-r19                                       OPTIONAL,  -- Need R
    lateNonCriticalExtension                 OCTET STRING                                                         OPTIONAL,
    ...
}

Fields (3)

Field	Description
ntn-NeighCellConfigListBLCE-r19 NTN-NeighCellConfigListIoT-r19 · OPTIONAL Need R	Provides a list of E-UTRAN neighbour cells that provides IoT NTN access for NTN capable bandwidth reduced low complexity (BL) UEs, CE capable UEs and NB-IoT UEs.
ntn-NeighCellConfigListNB-r19 NTN-NeighCellConfigListIoT-r19 · OPTIONAL Need R	Provides a list of E-UTRAN neighbour cells that provides IoT NTN access for NTN capable bandwidth reduced low complexity (BL) UEs, CE capable UEs and NB-IoT UEs.
lateNonCriticalExtension OCTET STRING · OPTIONAL

SIB28 (SIB28-r19)

Definition

Fields (3)

Used by (1)

Uses (1)

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