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CDG Brands CDMA EV-DO Rev C As Ultra Mobile Broadband (UMB)
Posted on 6-Dec-2006 10:00. | Tags Filed under: News.


CDG Brands CDMA EV-DO Rev C As Ultra Mobile Broadband (UMB)
The CDMA Development Group (CDG) has selected "Ultra Mobile Broadband" as the brand name to describe the advanced technologies and services that will be supported by the CDMA2000 1xEV-DO Revision C (Rev. C) standard. The new standard is expected to be published early in the second quarter of 2007 and become commercially available on a global basis in early 2009.

With the ability to support peak download speeds as high as 280 Mbps in a mobile environment, Ultra Mobile Broadband (UMB) will represent a major breakthrough in the delivery of next generation mobile broadband services. The technology will deliver packets of data at speeds that are orders of magnitude higher than what is currently available, and will do so within the entire cell edge coverage area.

UMB is an evolutionary upgrade within the family of CDMA2000 standards that can be deployed in existing or new spectrum allocations using scalable bandwidths up to 20 MHz. UMB enhances the performance and capabilities of CDMA2000 by combining aspects of a series of air interface techniques, including CDMA, TDM, OFDM, and OFDMA.

UMB also incorporates Multiple Input Multiple Output (MIMO) and Space Division Multiple Access (SDMA) advanced antenna techniques to provide greater capacity, coverage, and quality in deployments with multiple antennas.

The sophisticated UMB control mechanisms use the above techniques to optimize the transmission of variable length packets for each application based upon the end-to-end system capabilities and the quality of service (QoS) requirements of each application and user.

To support ubiquitous and universal access, UMB supports inter-technology hand-offs and seamless operation with existing CDMA2000 1X and 1xEV-DO systems.




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