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Mobile WiMax’s inclusion in a global wireless broadband standard means that it can be used over standard bands approved for this purpose: IMT-2000 is a set of five radio standards linked to other elements that have been approved by many different authorities for use over advanced wireless bands in their various countries and regions. The two most popular are W-CDMA (GSM 3G) and CDMA2000 (CDMA 3G). By gaining ITU approval for mobile WiMax (really, 802.16 in this context), this dramatically increases the odds that it can be deployed more widely by not requiring special approval or specific bands. It also provides mobile WiMax as a migration possibility for carriers that haven’t yet deployed 3G.
Early mobile WiMax profiles from the WiMax Forum cover 2.3 GHz, 2.5 GHz, and 3.5 GHz, the most common currently available bands worldwide. (5.4 and 5.8 GHz mobile WiMax isn’t covered by approved profiles, but the same technology may be used on those bands as on the profiled bands.)
The news was made public on a mailing list for those involved with IEEE 802.16 by Roger Marks, the working group’s chair.
DragonWave announces that EarthLink will use its licensed backhaul service: EartLink’s metro-scale networks will aggregate clusters of Wi-Fi mesh nodes through Motorola Canopy and pre-WiMax point-to-multipoint systems, which in turn will aggregate to high-speed licensed wireless backhaul. DragonWave’s system uses what they call wireless Ethernet that can offer a gigabit per second of service—up to 500 Mbps in each direction.