specviewer.org TS 38.331 ASN.1 index S-NSSAI

S-NSSAI

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

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

First seen v15.3.0 (2018-09) · Not changed since

Definition

The IE S-NSSAI (Single Network Slice Selection Assistance Information) identifies a Network Slice end to end and comprises a slice/service type and a slice differentiator, see TS 23.003 [21].

S-NSSAI  ::=                        CHOICE{
    sst                                 BIT STRING (SIZE (8)),
    sst-SD                              BIT STRING (SIZE (32))
}

Fields (2)

FieldDescription
sst
BIT STRING (SIZE (8))
Indicates the S-NSSAI consisting of Slice/Service Type, see TS 23.003 [21].
sst-SD
BIT STRING (SIZE (32))
Indicates the S-NSSAI consisting of Slice/Service Type and Slice Differentiator, see TS 23.003 [21].

Used by (2)

In the viewer