HSUPA - Computer Definition
A developing upgrade to Universal Mobile Telecommunications System (UMTS) cellular radio that is intended to increase theoretical uplink data rates. High Speed Downlink Packet Access (HSDPA) is already developed and in the process of implementation. HSUPA standards are the responsibility of the 3rd Generation Partnership Project (3GPP). See also 3GPP, cellular radio, HSDPA, UMTS, and uplink.