Mobility Management Entity

E522258

3GPP network function LTE core network element

The Mobility Management Entity is a core LTE network component responsible for user mobility, session management, and signaling control between user devices and the network.

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Observed surface forms (2)

Surface form	Occurrences
MME	2
S1-MME	1

Statements (67)

Predicate	Object
instanceOf	3GPP network function ⓘ LTE core network element ⓘ
abbreviation	MME NERFINISHED ⓘ
allocates	GUTI NERFINISHED ⓘ MME UE S1AP ID ⓘ temporary identities ⓘ
communicatesWith	HSS ⓘ Home Subscriber Server NERFINISHED ⓘ PCRF NERFINISHED ⓘ PGW NERFINISHED ⓘ Packet Data Network Gateway NERFINISHED ⓘ Policy and Charging Rules Function NERFINISHED ⓘ SGW NERFINISHED ⓘ Serving Gateway NERFINISHED ⓘ eNodeB NERFINISHED ⓘ
controlsPlane	control plane ⓘ
definedInStandard	3GPP TS 23.401 NERFINISHED ⓘ 3GPP TS 36.300 NERFINISHED ⓘ
doesNotHandle	user plane traffic ⓘ
hasFunction	EPS bearer establishment ⓘ EPS bearer modification ⓘ EPS bearer release ⓘ NAS security setup ⓘ attach procedure handling ⓘ ciphering control ⓘ detach procedure handling ⓘ handover control ⓘ integrity protection control ⓘ lawful interception support ⓘ tracking area update handling ⓘ
hasRole	EPS bearer management ⓘ NAS signaling termination ⓘ authentication and security control ⓘ control plane signaling ⓘ idle mode mobility handling ⓘ mobility management ⓘ paging coordination ⓘ roaming management ⓘ session management ⓘ
layer	control plane of EPC ⓘ
manages	MM and EPS session states ⓘ UE context ⓘ tracking areas ⓘ
partOf	EPC NERFINISHED ⓘ Evolved Packet Core NERFINISHED ⓘ
performs	inter-MME mobility procedures ⓘ inter-RAT mobility procedures ⓘ intra-MME mobility procedures ⓘ location management ⓘ
replacedBy	AMF in 5G Core ⓘ Access and Mobility Management Function in 5G NERFINISHED ⓘ
responsibleFor	MME selection for UE ⓘ UE reachability in idle state ⓘ overload control ⓘ
securityDomain	Evolved Packet System ⓘ
supports	CS fallback procedures ⓘ SMS over SGs ⓘ
usedInTechnology	E-UTRAN NERFINISHED ⓘ LTE NERFINISHED ⓘ LTE-Advanced NERFINISHED ⓘ
usesInterface	Gx via SGW or PGW ⓘ S1-MME NERFINISHED ⓘ S10 ⓘ S11 ⓘ S13 ⓘ S3 ⓘ S6a ⓘ

Referenced by (9)

Full triples — surface form annotated when it differs from this entity's canonical label.

Serving Gateway → connectsTo → Mobility Management Entity ⓘ

Evolved Packet Core → controlPlaneEntity → Mobility Management Entity ⓘ

3GPP TS 29-series → definesInterfaceFor → Mobility Management Entity ⓘ

this entity surface form: MME

Evolved Packet Core → includesComponent → Mobility Management Entity ⓘ

3GPP Release 8 → introduced → Mobility Management Entity ⓘ

Serving Gateway → relatedTo → Mobility Management Entity ⓘ

Access and Mobility Management Function → successorOf → Mobility Management Entity ⓘ

Evolved Packet Core → usesInterface → Mobility Management Entity ⓘ

this entity surface form: S1-MME

CSFB (Circuit Switched Fallback) → usesNetworkElement → Mobility Management Entity ⓘ

this entity surface form: MME