DVB-S2
E79615
DVB-S2 is an advanced digital satellite television broadcasting standard widely used in Europe and beyond for efficient, high-quality transmission of TV and data services.
All labels observed (4)
| Label | Occurrences |
|---|---|
| DVB-S2 canonical | 19 |
| DVB-S2 standard | 1 |
| DVB-S2X | 1 |
| Digital Video Broadcasting - Satellite - Second Generation | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T632729 — 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: DVB-S2 Context triple: [Freesat, primaryBroadcastStandard, DVB-S2]
-
A.
DVB-S
DVB-S is a digital video broadcasting standard used worldwide for transmitting television and data services via satellite.
-
B.
DVB-T2
DVB-T2 is the second-generation digital terrestrial television broadcasting standard that delivers more efficient, higher-capacity TV and data services over the air compared to its DVB-T predecessor.
-
C.
DVB-T
DVB-T is a widely used digital terrestrial television broadcasting standard that delivers multiple TV and radio channels over conventional aerials.
-
D.
ATSC
ATSC (Advanced Television Systems Committee) is a digital television broadcasting standard used primarily in North America for over-the-air high-definition TV transmission.
-
E.
DOCSIS
DOCSIS is an international telecommunications standard that enables high-speed data transmission over existing cable television systems, commonly used for broadband internet services.
- 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: DVB-S2 Target entity description: DVB-S2 is an advanced digital satellite television broadcasting standard widely used in Europe and beyond for efficient, high-quality transmission of TV and data services.
-
A.
DVB-S
DVB-S is a digital video broadcasting standard used worldwide for transmitting television and data services via satellite.
-
B.
DVB-T2
DVB-T2 is the second-generation digital terrestrial television broadcasting standard that delivers more efficient, higher-capacity TV and data services over the air compared to its DVB-T predecessor.
-
C.
DVB-T
DVB-T is a widely used digital terrestrial television broadcasting standard that delivers multiple TV and radio channels over conventional aerials.
-
D.
ATSC
ATSC (Advanced Television Systems Committee) is a digital television broadcasting standard used primarily in North America for over-the-air high-definition TV transmission.
-
E.
DOCSIS
DOCSIS is an international telecommunications standard that enables high-speed data transmission over existing cable television systems, commonly used for broadband internet services.
- F. None of above. chosen
Statements (55)
| Predicate | Object |
|---|---|
| instanceOf |
digital video broadcasting standard
ⓘ
satellite communication standard ⓘ |
| abbreviation | DVB-S2 ⓘ |
| application |
DSNG (Digital Satellite News Gathering)
ⓘ
digital satellite television broadcasting ⓘ interactive satellite services ⓘ professional satellite contribution links ⓘ satellite broadband data services ⓘ |
| compatibleWith |
MPEG transport stream
ⓘ
linked to:
MPEG-TS
generic stream encapsulation ⓘ |
| designedFor |
higher spectral efficiency than DVB-S
ⓘ
robust operation under various channel conditions ⓘ |
| developedBy |
Digital Video Broadcasting Project
ⓘ
linked to:
DVB broadcasting standards
|
| feature |
adaptive coding and modulation
ⓘ
backward-compatible modes with DVB-S ⓘ optional pilot symbols for improved synchronization ⓘ physical layer framing with pilots ⓘ roll-off factors of 0.35, 0.25 and 0.20 ⓘ support for ACM (Adaptive Coding and Modulation) ⓘ support for VCM (Variable Coding and Modulation) ⓘ support for generic and transport stream packets ⓘ support for multiple input streams ⓘ variable coding and modulation ⓘ |
| followedBy | DVB-S2X ⓘ |
| frequencyBands |
C-band
ⓘ
Ka-band ⓘ Ku-band ⓘ |
| fullName |
Digital Video Broadcasting - Satellite - Second Generation
ⓘ
linked to:
DVB-S2
|
| layer | physical layer ⓘ |
| publicationYear | 2005 ⓘ |
| region | international ⓘ |
| standardizedBy | ETSI ⓘ |
| standardNumber | ETSI EN 302 307 ⓘ |
| successorOf | DVB-S ⓘ |
| supports |
multi-carrier per transponder operation
ⓘ
single-carrier per transponder operation ⓘ |
| supportsService |
HDTV
ⓘ
IP data ⓘ SDTV ⓘ UHDTV ⓘ VoIP over satellite ⓘ multicast services ⓘ |
| typicalUseRegion |
Africa
ⓘ
Asia ⓘ Europe ⓘ Latin America ⓘ Middle East ⓘ |
| usedBy |
direct-to-home satellite TV operators
ⓘ
satellite internet service providers ⓘ |
| usesFEC |
BCH codes
ⓘ
LDPC codes ⓘ |
| usesModulation |
16APSK
ⓘ
32APSK ⓘ 8PSK ⓘ QPSK ⓘ |
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: DVB-S2 Description of subject: DVB-S2 is an advanced digital satellite television broadcasting standard widely used in Europe and beyond for efficient, high-quality transmission of TV and data services.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.