HSDPA is the Acronym for High Speed Downlink Packet Access.

HSDPA (High Speed Downlink Packet Access) is an upgrade for WCDMA (UMTS) networks. It doubles network capacity and increases download data speeds five-fold. Simply put.

More detailed it is a packet-based data service in W-CDMA downlink with data transmission up to 8-10 Mbps (and 20 Mbps for MIMO systems) over a 5MHz bandwidth in WCDMA downlink. HSDPA implementations includes Adaptive Modulation and Coding (AMC), Multiple-Input Multiple-Output (MIMO), Hybrid Automatic Request (HARQ), fast cell search, and advanced receiver design.

Credit goes to webopedia.com & umtsworld.com.

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by Skipdawg edited by Optimized
last modified: 2005-03-20 13:35:15