Mobility Management Entity
E522258
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.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Mobility Management Entity canonical | 13 |
| MME | 7 |
| S1-MME | 3 |
| MME-Location-Information AVP | 1 |
| Mobility Management Entity (MME) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5479906 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mobility Management Entity Context triple: [3GPP Release 8, introduced, Mobility Management Entity]
-
A.
Access and Mobility Management Function
The Access and Mobility Management Function (AMF) is a key 5G core network control-plane function responsible for user equipment registration, connection and mobility management, and access authentication.
-
B.
Evolved Packet Core
Evolved Packet Core is the 4G LTE mobile network architecture responsible for managing data connectivity, mobility, and services between user devices and external IP networks.
-
C.
E-UTRAN
E-UTRAN is the LTE mobile network’s air-interface subsystem that connects user devices to the core network via evolved base stations (eNodeBs).
-
D.
GSM core network
The GSM core network is the central backbone of GSM mobile systems, handling key functions such as switching, mobility management, authentication, and interconnection with other networks.
-
E.
P‑CSCF
P‑CSCF (Proxy Call Session Control Function) is the first contact point for user equipment in an IP Multimedia Subsystem (IMS) network, handling signaling, security, and routing of SIP messages.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mobility Management Entity Target entity description: 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.
-
A.
Access and Mobility Management Function
The Access and Mobility Management Function (AMF) is a key 5G core network control-plane function responsible for user equipment registration, connection and mobility management, and access authentication.
-
B.
Evolved Packet Core
Evolved Packet Core is the 4G LTE mobile network architecture responsible for managing data connectivity, mobility, and services between user devices and external IP networks.
-
C.
E-UTRAN
E-UTRAN is the LTE mobile network’s air-interface subsystem that connects user devices to the core network via evolved base stations (eNodeBs).
-
D.
GSM core network
The GSM core network is the central backbone of GSM mobile systems, handling key functions such as switching, mobility management, authentication, and interconnection with other networks.
-
E.
P‑CSCF
P‑CSCF (Proxy Call Session Control Function) is the first contact point for user equipment in an IP Multimedia Subsystem (IMS) network, handling signaling, security, and routing of SIP messages.
- F. None of above. chosen
Statements (67)
| Predicate | Object |
|---|---|
| instanceOf |
3GPP network function
ⓘ
LTE core network element ⓘ |
| abbreviation |
MME
ⓘ
linked to:
Mobility Management Entity
|
| allocates |
GUTI
ⓘ
MME UE S1AP ID ⓘ temporary identities ⓘ |
| communicatesWith |
HSS
ⓘ
Home Subscriber Server ⓘ PCRF ⓘ PGW ⓘ Packet Data Network Gateway ⓘ Policy and Charging Rules Function ⓘ
linked to:
PCRF
SGW ⓘ Serving Gateway ⓘ eNodeB ⓘ |
| controlsPlane | control plane ⓘ |
| definedInStandard |
3GPP TS 23.401
ⓘ
3GPP TS 36.300 ⓘ |
| 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
ⓘ
Evolved Packet Core ⓘ |
| 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 ⓘ
linked to:
Access and Mobility Management Function
|
| 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
ⓘ
LTE ⓘ LTE-Advanced ⓘ |
| usesInterface |
Gx via SGW or PGW
ⓘ
S1-MME ⓘ
linked to:
Mobility Management Entity
S10 ⓘ S11 ⓘ S13 ⓘ S3 ⓘ S6a ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Mobility Management Entity Description of subject: 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.
Referenced by (25)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mobility Management Entity
linked to: Mobility Management Entity
linked to: Mobility Management Entity
linked to: Mobility Management Entity
linked to: Mobility Management Entity
linked to: Mobility Management Entity
linked to: Mobility Management Entity
linked to: Mobility Management Entity
linked to: Mobility Management Entity
linked to: Mobility Management Entity
linked to: Mobility Management Entity
linked to: Mobility Management Entity