| High-Speed DownlinkPacket Access HSDPA is a packet-based data service in WCDMA downlink with data transmission up to 8-10 Mbps (and 20 Mbps for MIMO systems) over a 5MHz bandwidth in WCDMA downlink. The high speeds of HSDPA are achieved through techniques including: 16 Quadrature Amplitude Modulation, variable error coding, and incremental redundancy. |
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