HSDPA vs HSUPA HSDPA (High Speed Downlink Packet Access) and HSUPA (High Speed Uplink Packet Access) are 3GPP specifications published to provide recommendations for downlink and uplink of the mobile broadband services. Networks that support both HSDPA and HSUPA are called as HSPA or HSPA+ networks. Both specifications introduced enhancements to the UTRAN (UMTS Terrestrial […]