Difference between revisions of "4. HSDPA"
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*Description:<br> | *Description:<br> | ||
High-Speed Downlink Packet Access (HSDPA) is a new mobile telephony protocol and is sometimes referred to as a 3.5G (or "3½G") technology. In this respect it extends WCDMA in the same way that EV-DO extends CDMA2000. HSDPA provides a smooth evolutionary path for Universal Mobile Telecommunications System (UMTS) networks allowing for higher data capacity (up to 14.4 Mbit/s in the downlink). It is an evolution of the W-CDMA standard, designed to increase the available data rate by a factor of 5 or more. HSDPA defines a new W-CDMA channel, the high-speed downlink shared channel (HS-DSCH) that operates in a different way from existing W-CDMA channels, but is only used for downlink communication to the mobile.<br> | High-Speed Downlink Packet Access (HSDPA) is a new mobile telephony protocol and is sometimes referred to as a 3.5G (or "3½G") technology. In this respect it extends WCDMA in the same way that EV-DO extends CDMA2000. HSDPA provides a smooth evolutionary path for Universal Mobile Telecommunications System (UMTS) networks allowing for higher data capacity (up to 14.4 Mbit/s in the downlink). It is an evolution of the W-CDMA standard, designed to increase the available data rate by a factor of 5 or more. HSDPA defines a new W-CDMA channel, the high-speed downlink shared channel (HS-DSCH) that operates in a different way from existing W-CDMA channels, but is only used for downlink communication to the mobile.<br> | ||
*Enablers: UMTS standardization, HSDPA H/W and S/W evolution, HSDPA Devices, Reasonable service price <br> | *Enablers: UMTS standardization, HSDPA H/W and S/W evolution, HSDPA Devices, Killer Application, Reasonable service price <br> | ||
*Web Resources: http://en.wikipedia.org/wiki/High-Speed_Downlink_Packet_Access<br> | *Web Resources: http://en.wikipedia.org/wiki/High-Speed_Downlink_Packet_Access<br> | ||
Revision as of 02:17, 15 July 2006
- Description:
High-Speed Downlink Packet Access (HSDPA) is a new mobile telephony protocol and is sometimes referred to as a 3.5G (or "3½G") technology. In this respect it extends WCDMA in the same way that EV-DO extends CDMA2000. HSDPA provides a smooth evolutionary path for Universal Mobile Telecommunications System (UMTS) networks allowing for higher data capacity (up to 14.4 Mbit/s in the downlink). It is an evolution of the W-CDMA standard, designed to increase the available data rate by a factor of 5 or more. HSDPA defines a new W-CDMA channel, the high-speed downlink shared channel (HS-DSCH) that operates in a different way from existing W-CDMA channels, but is only used for downlink communication to the mobile.
- Enablers: UMTS standardization, HSDPA H/W and S/W evolution, HSDPA Devices, Killer Application, Reasonable service price
- Web Resources: http://en.wikipedia.org/wiki/High-Speed_Downlink_Packet_Access