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Qualcomm may have adapters ready for EVDO Rev. B in late 2007: The current deployed CDMA2000 1xEVDO Rev. 0 (zero) standard runs at about 400 to 700 Kbps (rated) downstream and 50 to 70 Kbps up. The Rev. A improvement increases downlink speeds by 30 percent and could double uploads. This starts to move EVDO into the DSL range, and ubiquitously. (There are still issues of latency, operator limits on service and bandwidth, and other factors, of course.)
Rev. B, Qualcomm said last week according to News.com, will further increase speeds, offering download rates of 1.3 to 2.4 Mbps and upload rates of 210 to 432 Kbps. Now we’re talking something approaching real broadband. The PC cards and stand-alone modems to use Rev. B may be available in late 2007.
While the article maintains “The increase in speed puts wireless broadband on equal footing with DSL services, which offer similar speeds” that’s only with a moderate to slow version of today’s DSL. Cable modem speeds typically start much higher than Rev. B, with double to triple the upload speed as a starting point, while DSL, cable, fiber to the home, fiber to the node, broadband over powerline, fixed WiMax (16d and 16e), and even new flavors of metro-scale Wi-Fi based on 802.11n and MIMO technologies will deliver speeds 5 to 10 times faster than Rev. B by the end of 2007, passing by at least tens of millions of homes.
Of course, with EVDO, Rev. B transceivers could reach hundreds of millions of potential users, making it an interesting option. The notion that standalone modems will be part of the reference designs released for Rev. B means that the vision of Monet Wireless could finally be fulfilled on a large-scale: rural areas with fewer broadband access methods could turn to licensed 3G cellular as a means of having broadband. This is the same sub-market that 802.16e (fixed/nomadic/mobile) WiMax is after, and that may be where big battles are fought—not in the cities, but in the suburbs, exurbs, and countryside.
Posted by Glennf at April 11, 2006 5:09 PM