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printed April 17, 2014
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HSUPA

High-Speed Uplink Packet Access

An upgrade for WCDMA / UMTS / HSDPA networks that applies HSDPA-like enhancements to the uplink side of the connection, allowing peak upload data rates of up to 5.8 Mbit/s (million bits per second).

HSUPA is both a compliment and a successor to HSDPA, which offers very fast data rates, but only for the downlink / download side. Together, HSDPA and HSUPA are somtimes referred to as HSPA.

HSUPA devices and networks include WCDMA and HSDPA technology and are backward-compatible with devices and networks supporting only those technologies.

HSUPA is expected to be standardized by the 3GPP in UMTS Release 6.

See: HSDPA

In terms of data speed and general technology evolution, the closest equivalent to HSUPA for CDMA networks would be EVDO Rev. A.

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