UMTS
E23867
UMTS is a third-generation (3G) mobile telecommunications system that provides higher-speed voice and data services over cellular networks.
Aliases (5)
- WCDMA ×2
- HSPA ×1
- UTRA ×1
- Universal Mobile Telecommunications System ×1
- W-CDMA ×1
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
3G cellular technology
→
mobile telecommunications standard → |
| abbreviation | UMTS → |
| basedOn | GSM → |
| belongsTo | 3G mobile telecommunications systems → |
| channelAccessMethod | code-division multiple access → |
| commercialLaunchYear | 2001 → |
| coreNetworkBasedOn | GPRS core network → |
| evolvedTo |
LTE
→
LTE →
surface form: "LTE-Advanced"
|
| firstCommercialDeploymentCountry | Japan → |
| firstCommercialOperator | NTT DoCoMo → |
| fullName |
UMTS
→
surface form: "Universal Mobile Telecommunications System"
|
| generation | third-generation → |
| introducedIn3GPPRelease | Release 99 → |
| marketedAs | FOMA in Japan → |
| maxTheoreticalDownlinkSpeed |
up to 384 kbit/s for Release 99
→
up to several Mbit/s with HSPA → |
| multipleAccessScheme | W-CDMA → |
| partOf | IMT-2000 family → |
| predecessor | 2G GSM → |
| radioInterface |
UMTS
→
surface form: "W-CDMA"
|
| regionOfUse | global → |
| standardizedBy |
3rd Generation Partnership Project
→
surface form: "3GPP"
|
| successor | 4G LTE → |
| successorOf | GSM → |
| supportsDuplexMode |
FDD
→
TDD → |
| supportsService |
MMS
→
SMS → circuit-switched data → location-based services → mobile TV → mobile internet access → packet-switched data → video calling → voice → |
| supportsTechnology |
HSDPA
→
UMTS →
surface form: "HSPA"
HSPA+ → HSUPA → |
| uses | W-CDMA radio access technology → |
| usesCoreNetwork | UMTS core network → |
| usesFrequencyBand |
1700 MHz band
→
1900 MHz band → 2100 MHz band → 850 MHz band → 900 MHz band → |
| usesModulation |
16QAM (with HSPA)
→
QPSK → |
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form: "WCDMA"
this entity surface form: "W-CDMA"
this entity surface form: "UTRA"
this entity surface form: "WCDMA"
this entity surface form: "HSPA"