GSM-R
E273829
GSM-R is a digital radio communication system used across European railways to provide secure voice and data links between trains and railway control centers.
All labels observed (4)
| Label | Occurrences |
|---|---|
| GSM-R canonical | 6 |
| Global System for Mobile Communications – Railway | 2 |
| GSM-R radio | 1 |
| GSM‑R | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2496794 — 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: GSM-R Context triple: [British Rail Class 397, safetySystem, GSM-R]
-
A.
GSM
GSM is the common abbreviation for Great St Mary’s Church, the historic University Church located in the center of Cambridge, England.
-
B.
GSM
GSM is a second-generation (2G) digital mobile communication standard that became the global foundation for cellular voice and basic data services.
-
C.
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.
-
D.
3GPP
3GPP is an international standards organization that develops technical specifications for mobile telecommunications technologies, including 3G, 4G LTE, and 5G.
-
E.
IMT-2000 family
The IMT-2000 family is the ITU-defined global standard framework for third-generation (3G) mobile communication systems, encompassing multiple technologies such as UMTS and CDMA2000.
- 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: GSM-R Target entity description: GSM-R is a digital radio communication system used across European railways to provide secure voice and data links between trains and railway control centers.
-
A.
GSM
GSM is a second-generation (2G) digital mobile communication standard that became the global foundation for cellular voice and basic data services.
-
B.
GSM
GSM is the common abbreviation for Great St Mary’s Church, the historic University Church located in the center of Cambridge, England.
-
C.
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.
-
D.
3GPP
3GPP is an international standards organization that develops technical specifications for mobile telecommunications technologies, including 3G, 4G LTE, and 5G.
-
E.
IMT-2000 family
The IMT-2000 family is the ITU-defined global standard framework for third-generation (3G) mobile communication systems, encompassing multiple technologies such as UMTS and CDMA2000.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
digital radio system
ⓘ
mobile communication standard ⓘ railway communication system ⓘ |
| abbreviationOf |
Global System for Mobile Communications – Railway
ⓘ
linked to:
GSM-R
|
| basedOn | GSM ⓘ |
| belongsToDomain |
railway signalling
ⓘ
transport telecommunications ⓘ |
| compatibleWith |
GSM Phase 2+
ⓘ
linked to:
GSM
|
| deployedIn |
conventional rail lines
ⓘ
high-speed rail lines ⓘ |
| designedFor |
railway operational communication
ⓘ
safety-critical applications ⓘ |
| enables |
data transmission for train protection systems
ⓘ
driver–signaller communication ⓘ train–control center communication ⓘ |
| fullName |
Global System for Mobile Communications – Railway
ⓘ
linked to:
GSM-R
|
| hasFeature |
pre-emption of lower priority calls
ⓘ
priority call handling ⓘ recording of operational calls ⓘ support for roaming within railway networks ⓘ |
| hasProperty | supports interoperability between national railway networks ⓘ |
| introducedFor | harmonization of European railway communications ⓘ |
| partOf |
European Rail Traffic Management System
ⓘ
linked to:
European Train Control System
|
| provides | continuous radio coverage along railway lines ⓘ |
| region | Europe ⓘ |
| relatedTo |
ETCS Level 2
ⓘ
ETCS Level 3 ⓘ |
| replaces | analog railway radio systems ⓘ |
| standardizedBy |
ETSI
ⓘ
UIC ⓘ |
| successorPlannedAs | FRMCS ⓘ |
| supports |
emergency calls
ⓘ
functional addressing ⓘ group calls ⓘ location dependent addressing ⓘ secure data communication ⓘ secure voice communication ⓘ shunting communication ⓘ |
| usedFor |
communication between trains and control centers
ⓘ
railway data communication ⓘ railway voice communication ⓘ signalling communication ⓘ train control applications ⓘ |
| usedIn |
ETCS
ⓘ
linked to:
European Train Control System
European railways ⓘ
linked to:
European rail network
|
| usesFrequencyBand | 900 MHz band ⓘ |
| usesTechnology |
FDMA
ⓘ
linked to:
Frequency Division Multiple Access
TDMA ⓘ
linked to:
Time Division Multiple Access
|
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: GSM-R Description of subject: GSM-R is a digital radio communication system used across European railways to provide secure voice and data links between trains and railway control centers.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Class 397 Civity EMU
subject linked to:
Class 730 Aventra
subject linked to:
Class 745 EMU
linked to: GSM-R
linked to: GSM-R
linked to: GSM-R