9.4.8 Container Definitions

37.4833GPPE1 Application Protocol (E1AP)Release 17TS

— ASN1START

— **************************************************************

— Container definitions

— **************************************************************

E1AP-Containers {

itu-t (0) identified-organization (4) etsi (0) mobileDomain (0)

ngran-access (22) modules (3) e1ap (5) version1 (1) e1ap-Containers (5) }

DEFINITIONS AUTOMATIC TAGS ::=

BEGIN

— **************************************************************

— IE parameter types from other modules.

— **************************************************************

IMPORTS

maxPrivateIEs,

maxProtocolExtensions,

maxProtocolIEs,

Criticality,

Presence,

PrivateIE-ID,

ProtocolIE-ID

FROM E1AP-CommonDataTypes;

— **************************************************************

— Class Definition for Protocol IEs

— **************************************************************

E1AP-PROTOCOL-IES ::= CLASS {

&id ProtocolIE-ID UNIQUE,

&criticality Criticality,

&Value,

&presence Presence

}

WITH SYNTAX {

ID &id

CRITICALITY &criticality

TYPE &Value

PRESENCE &presence

}

— **************************************************************

— Class Definition for Protocol Extensions

— **************************************************************

E1AP-PROTOCOL-EXTENSION ::= CLASS {

&id ProtocolIE-ID UNIQUE,

&criticality Criticality,

&Extension,

&presence Presence

}

WITH SYNTAX {

ID &id

CRITICALITY &criticality

EXTENSION &Extension

PRESENCE &presence

}

— **************************************************************

— Class Definition for Private IEs

— **************************************************************

E1AP-PRIVATE-IES ::= CLASS {

&id PrivateIE-ID,

&criticality Criticality,

&Value,

&presence Presence

}

WITH SYNTAX {

ID &id

CRITICALITY &criticality

TYPE &Value

PRESENCE &presence

}

— **************************************************************

— Container for Protocol IEs

— **************************************************************

ProtocolIE-Container { E1AP-PROTOCOL-IES : IEsSetParam} ::=

SEQUENCE (SIZE (0..maxProtocolIEs)) OF

ProtocolIE-Field {{IEsSetParam}}

ProtocolIE-SingleContainer { E1AP-PROTOCOL-IES : IEsSetParam} ::=

ProtocolIE-Field {{IEsSetParam}}

ProtocolIE-Field { E1AP-PROTOCOL-IES : IEsSetParam} ::= SEQUENCE {

id E1AP-PROTOCOL-IES.&id ({IEsSetParam}),

criticality E1AP-PROTOCOL-IES.&criticality ({IEsSetParam}{@id}),

value E1AP-PROTOCOL-IES.&Value ({IEsSetParam}{@id})

}

— **************************************************************

— Container Lists for Protocol IE Containers

— **************************************************************

ProtocolIE-ContainerList {INTEGER : lowerBound, INTEGER : upperBound, E1AP-PROTOCOL-IES : IEsSetParam} ::=

SEQUENCE (SIZE (lowerBound..upperBound)) OF

ProtocolIE-Container {{IEsSetParam}}

— **************************************************************

— Container for Protocol Extensions

— **************************************************************

ProtocolExtensionContainer { E1AP-PROTOCOL-EXTENSION : ExtensionSetParam} ::=

SEQUENCE (SIZE (1..maxProtocolExtensions)) OF

ProtocolExtensionField {{ExtensionSetParam}}

ProtocolExtensionField { E1AP-PROTOCOL-EXTENSION : ExtensionSetParam} ::= SEQUENCE {

id E1AP-PROTOCOL-EXTENSION.&id ({ExtensionSetParam}),

criticality E1AP-PROTOCOL-EXTENSION.&criticality ({ExtensionSetParam}{@id}),

extensionValue E1AP-PROTOCOL-EXTENSION.&Extension ({ExtensionSetParam}{@id})

}

— **************************************************************

— Container for Private IEs

— **************************************************************

PrivateIE-Container { E1AP-PRIVATE-IES : IEsSetParam} ::=

SEQUENCE (SIZE (1..maxPrivateIEs)) OF

PrivateIE-Field {{IEsSetParam}}

PrivateIE-Field { E1AP-PRIVATE-IES : IEsSetParam} ::= SEQUENCE {

id E1AP-PRIVATE-IES.&id ({IEsSetParam}),

criticality E1AP-PRIVATE-IES.&criticality ({IEsSetParam}{@id}),

value E1AP-PRIVATE-IES.&Value ({IEsSetParam}{@id})

}

END

— ASN1STOP

9.5 Message Transfer Syntax

E1AP shall use the ASN.1 Basic Packed Encoding Rules (BASIC-PER) Aligned Variant as transfer syntax, as specified in ITU-T Recommendation X.691 [7].

9.6 Timers