ITU-T G.8275.1
E8199
ITU-T G.8275.1 is a telecommunications standard that specifies a profile for precise time and phase synchronization over packet networks, particularly for mobile and other time-sensitive services.
All labels observed (5)
| Label | Occurrences |
|---|---|
| ITU-T G.8275.1 canonical | 4 |
| ITU-T G.8275 | 1 |
| ITU-T G.8275 series | 1 |
| ITU-T G.8275.2 | 1 |
| ITU-T G.827x time and phase synchronization standards | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T73066 — 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: ITU-T G.8275.1 Context triple: [IEEE 1588 Precision Time Protocol standard, relatedStandard, ITU-T G.8275.1]
-
A.
ITU-T G.8265.1
ITU-T G.8265.1 is an international telecommunications standard that specifies the use of packet-based timing protocols over IP networks to distribute frequency synchronization, particularly for mobile and packet-based services.
-
B.
SMPTE ST 2059
SMPTE ST 2059 is a professional media industry standard that defines how to use IEEE 1588 Precision Time Protocol to synchronize clocks and signals across IP-based audio, video, and broadcast systems.
-
C.
IEEE 802.1CM fronthaul standard
The IEEE 802.1CM fronthaul standard is a Time-Sensitive Networking (TSN) specification that defines Ethernet-based transport requirements and profiles for carrying mobile fronthaul traffic in 4G/5G radio access networks.
-
D.
IEEE 802.1Qbv time‑sensitive networking standard
The IEEE 802.1Qbv time‑sensitive networking standard defines enhancements to Ethernet scheduling that enable deterministic, low-latency communication for time-critical applications such as industrial automation and automotive networks.
-
E.
IEEE 802.3bz 2.5G/5GBASE‑T Ethernet standard
IEEE 802.3bz 2.5G/5GBASE‑T Ethernet standard defines multi‑gigabit Ethernet operation over existing twisted‑pair copper cabling, enabling 2.5 and 5 Gbit/s network speeds for applications like upgraded Wi‑Fi access points and enterprise networks.
- 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: ITU-T G.8275.1 Target entity description: ITU-T G.8275.1 is a telecommunications standard that specifies a profile for precise time and phase synchronization over packet networks, particularly for mobile and other time-sensitive services.
-
A.
ITU-T G.8265.1
ITU-T G.8265.1 is an international telecommunications standard that specifies the use of packet-based timing protocols over IP networks to distribute frequency synchronization, particularly for mobile and packet-based services.
-
B.
SMPTE ST 2059
SMPTE ST 2059 is a professional media industry standard that defines how to use IEEE 1588 Precision Time Protocol to synchronize clocks and signals across IP-based audio, video, and broadcast systems.
-
C.
IEEE 802.1CM fronthaul standard
The IEEE 802.1CM fronthaul standard is a Time-Sensitive Networking (TSN) specification that defines Ethernet-based transport requirements and profiles for carrying mobile fronthaul traffic in 4G/5G radio access networks.
-
D.
IEEE 802.1Qbv time‑sensitive networking standard
The IEEE 802.1Qbv time‑sensitive networking standard defines enhancements to Ethernet scheduling that enable deterministic, low-latency communication for time-critical applications such as industrial automation and automotive networks.
-
E.
IEEE 802.3bz 2.5G/5GBASE‑T Ethernet standard
IEEE 802.3bz 2.5G/5GBASE‑T Ethernet standard defines multi‑gigabit Ethernet operation over existing twisted‑pair copper cabling, enabling 2.5 and 5 Gbit/s network speeds for applications like upgraded Wi‑Fi access points and enterprise networks.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
ITU-T Recommendation
ⓘ
telecommunications standard ⓘ |
| addresses |
network design for phase synchronization
ⓘ
time error accumulation in packet networks ⓘ |
| appliesTo |
mobile networks
ⓘ
packet networks ⓘ time-sensitive services ⓘ |
| basedOn |
IEEE 1588 Precision Time Protocol standard
ⓘ
surface form:
IEEE 1588 PTP
PTP ⓘ
surface form:
Precision Time Protocol
|
| category | time and phase synchronization standard ⓘ |
| defines | profile for phase and time synchronization in packet networks ⓘ |
| definesProfileType | full timing support profile ⓘ |
| domain |
mobile backhaul timing
ⓘ
packet-based synchronization ⓘ |
| ensures | interoperability of time synchronization equipment ⓘ |
| focusesOn |
phase synchronization
ⓘ
time synchronization ⓘ |
| intendedFor |
network equipment vendors
ⓘ
telecom operators ⓘ |
| objective |
precise time and phase delivery for mobile services
ⓘ
support of stringent synchronization requirements for TDD systems ⓘ |
| partOfSeries |
ITU-T G.8275.1
self-linksurface differs
ⓘ
surface form:
ITU-T G.8275 series
ITU-T G.8275.1 self-linksurface differs ⓘ
surface form:
ITU-T G.827x time and phase synchronization standards
|
| publishedBy |
ITU-T Study Group 15
ⓘ
International Telecommunication Union ⓘ |
| relatedTo |
ITU-T G.8272
ⓘ
ITU-T G.8273 ⓘ ITU-T G.8275.1 self-linksurface differs ⓘ
surface form:
ITU-T G.8275
|
| specifies |
PTP message rates and configuration parameters
ⓘ
network architecture for time and phase distribution ⓘ performance requirements for time error ⓘ requirements for telecom boundary clocks ⓘ requirements for telecom time slave clocks ⓘ |
| standardizes | PTP profile parameters for telecom time and phase ⓘ |
| supports |
frequency and time distribution over packet networks
ⓘ
phase alignment between base stations ⓘ |
| targetApplication |
5G mobile backhaul synchronization
ⓘ
LTE-Advanced synchronization ⓘ LTE-TDD synchronization ⓘ |
| usedIn |
IP/MPLS transport networks
ⓘ
carrier Ethernet networks ⓘ |
| uses | full timing support from the network ⓘ |
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: ITU-T G.8275.1 Description of subject: ITU-T G.8275.1 is a telecommunications standard that specifies a profile for precise time and phase synchronization over packet networks, particularly for mobile and other time-sensitive services.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
ITU-T G.8275 series
this entity surface form:
ITU-T G.827x time and phase synchronization standards
this entity surface form:
ITU-T G.8275
this entity surface form:
ITU-T G.8275.2