specviewer.org TS 38.331 ASN.1 index EUTRA-MBSFN-SubframeConfig

EUTRA-MBSFN-SubframeConfig

RRC IE · TS 38.331 v19.4.0 (2026-09) · clause 6.3.4, in the EUTRA-MBSFN-SubframeConfigList clause

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

First seen v15.1.0 (2018-04) · Last changed v15.3.0 (2018-09)

Definition

EUTRA-MBSFN-SubframeConfig ::=      SEQUENCE {
    radioframeAllocationPeriod          ENUMERATED {n1, n2, n4, n8, n16, n32},
    radioframeAllocationOffset          INTEGER (0..7),
    subframeAllocation1                 CHOICE {
        oneFrame                            BIT STRING (SIZE(6)),
        fourFrames                          BIT STRING (SIZE(24))
    },
    subframeAllocation2                 CHOICE {
        oneFrame                            BIT STRING (SIZE(2)),
        fourFrames                          BIT STRING (SIZE(8))
    }                                                                                                       OPTIONAL,   -- Need R
    ...
}

Fields (8)

FieldDescription
radioframeAllocationPeriod
ENUMERATED {n1, n2, n4, n8, n16, n32}
Field as defined in MBSFN-SubframeConfig in TS 36.331 [10], where SFN refers to the SFN of the NR serving cell.
radioframeAllocationOffset
INTEGER (0..7)
Field as defined in MBSFN-SubframeConfig in TS 36.331 [10].
subframeAllocation1
CHOICE {
since v15.3.0
Field as defined in MBSFN-SubframeConfig in TS 36.331 [10], where the UE assumes the duplex mode (FDD or TDD) of the NR cell for which the E-UTRA-MBSFN-SubframeConfig is provided.
oneFrame
BIT STRING (SIZE(6))
since v15.3.0
fourFrames
BIT STRING (SIZE(24))
since v15.3.0
subframeAllocation2
CHOICE { · OPTIONAL Need R
since v15.3.0
Field as defined in MBSFN-SubframeConfig-v1430 in TS 36.331 [10], where the UE assumes the duplex mode (FDD or TDD) of the NR cell for which the E-UTRA-MBSFN-SubframeConfig is provided.
oneFrame
BIT STRING (SIZE(2))
since v15.3.0
fourFrames
BIT STRING (SIZE(8))
since v15.3.0

Used by (1)

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