HSDPA
E127328
HSDPA (High-Speed Downlink Packet Access) is a 3G mobile telephony protocol that significantly increases data download speeds and network capacity for users on compatible cellular networks.
All labels observed (3)
| Label | Occurrences |
|---|---|
| HSDPA canonical | 2 |
| High-Speed Downlink Packet Access | 2 |
| HSPA | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
3G mobile communication technology
ⓘ
mobile telephony protocol ⓘ |
| abbreviationFor |
HSDPA
self-linksurface differs
ⓘ
surface form:
High-Speed Downlink Packet Access
|
| application |
file downloads
ⓘ
mobile broadband Internet access ⓘ video streaming ⓘ |
| backwardCompatibleWith | UMTS Release 99 terminals ⓘ |
| belongsToFamily | HSPA ⓘ |
| channelType | HS-DSCH ⓘ |
| combinedWith |
UMTS
ⓘ
surface form:
HSPA
HSPA+ ⓘ |
| competesWith |
IMT-2000 family
ⓘ
surface form:
CDMA2000 EV-DO
|
| complements | HSUPA ⓘ |
| downlinkDirection | network-to-user ⓘ |
| enhancedPeakRate | up to 21 Mbit/s or higher with later categories ⓘ |
| extends |
UMTS packet-switched capabilities
ⓘ
UMTS ⓘ
surface form:
WCDMA
|
| feature | HARQ ⓘ |
| focusesOn | downlink performance ⓘ |
| fullName |
HSDPA
self-linksurface differs
ⓘ
surface form:
High-Speed Downlink Packet Access
|
| generation | 3G ⓘ |
| improves |
downlink data rates
ⓘ
network capacity ⓘ spectral efficiency ⓘ user data throughput ⓘ |
| introduces |
fast link adaptation
ⓘ
fast scheduling ⓘ high-speed downlink shared channel ⓘ hybrid automatic repeat request ⓘ |
| layer | radio access network technology ⓘ |
| marketedAs | 3.5G technology ⓘ |
| operatesOn | UMTS frequency bands ⓘ |
| partOf |
3GPP Release 5
ⓘ
UMTS ⓘ |
| region | used worldwide ⓘ |
| requires | HSDPA-capable user equipment ⓘ |
| standardizedBy | 3GPP ⓘ |
| standardType | cellular data standard ⓘ |
| supports |
16QAM modulation
ⓘ
MIMO enhancements in later releases ⓘ QPSK modulation ⓘ adaptive modulation and coding ⓘ high-speed packet data downlink ⓘ |
| TTI | 2 ms ⓘ |
| typicalPeakRate | up to 14.4 Mbit/s in early implementations ⓘ |
| usedIn | 3G mobile networks ⓘ |
| uses |
Node B scheduling
ⓘ
WCDMA radio interface ⓘ short transmission time interval ⓘ |
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
HSPA
this entity surface form:
High-Speed Downlink Packet Access
this entity surface form:
High-Speed Downlink Packet Access