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.

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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.

UMTS supportsTechnology HSDPA
LTE successorTo HSDPA
this entity surface form: HSPA
HSDPA fullName HSDPA self-linksurface differs
this entity surface form: High-Speed Downlink Packet Access
HSDPA abbreviationFor HSDPA self-linksurface differs
this entity surface form: High-Speed Downlink Packet Access
Nokia E51 hasFeature HSDPA