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HSDPA Last modified: Monday, July 31, 2006
Acronym for High Speed Downlink Packet Access. High Speed Downlink Packet Access, or HSDPA, is a packet based data service feature of the in WCDMA standard which provides a 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 is achieved through techniques including; 16 Quadrature Amplitude Modulation, variable error coding, and incremental redundancy. HSDPA is a technology upgrade to current UMTS networks. See also UMTS. Sponsored listings Connectivity Software for Enterprise and Service Providers - Smith Micro has an unrivaled portfolio of security and network connectivity applications for laptops and mobile devices.		Related Categories Convergence Wireless Computing Related Terms broadband downlink HUSPA MIMO multimedia UMTS VoIP Shopping HSDPA Products Compare Products,Prices and Stores Shop by Category: Cellular Phones 135 Model Matches Modems 5 Model Matches
3G Americas Technology Center Beyond UMTS/WCDMA high-speed data technology await enhancements that provide even faster speeds and opportunities for an array of market applications. High Speed Downlink Packet Access - Whitepaper (PDF) This Lucent Technologies whitepaper addresses the following topics: The need for HSDPA, How HSDPA works, How to upgrade, and The future.