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Description:
Portland is building a municipal "city cloud" but VeriLAN, a wireless ISP and contractor, based in Portland, Oregon, has already built one.

In December, 2003, VeriLAN turned on the first commercial pre-WiMAX service in the United States.
Using Wi-LAN's 802.16a-like gear, mounted on a television tower, it feeds three Vivato phased arrays on a warehouse near downtown Portland, covering a 360 arc.
They've put a fourth Vivato G panel on the television tower.

Wi-LAN's LIBRA gear uses the same W-OFDM technology, with 256 sub-carrier OFDM, that has been adopted by the WiMAX Forum for 802.16a compliance. It can be upgraded in the field when the full 802.16a spec is ready, sometime later this year. Fujitsu and Wi-LAN have been jointly developing a 802.16a chip set for the last 18 months. Unlike ordinary 802.11a/g, which uses 20 Mhz-wide channels, Wi-Lan's WiMax gear uses 10 Mhz channels, providing at least 8 non-overlapping channels between 5.725 GHz to 5.825 GHz.

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Global WiMAX Rollouts

Tags:

wimax , broadband wireless , dailywireless , wilan