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802.22

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802.22
An IEEE wireless standard that employs spectrum previously occupied by UHF/VHF analog TV in the 54 to 862 MHz range. It includes certain station frequencies and the guard bands that separated the stations. Employing cognitive radio techniques, which change parameters and configuration when interference is sensed, this wireless technology is called a "wireless regional area network" (WRAN), and the unused bands have long been known as "white spaces." Services using these frequencies are also dubbed "Super Wi-Fi."

Like TV signals, the lower frequency 802.22 transmission is able to penetrate walls better than 4G WiMAX and LTE, but speeds are slower, in the neighborhood of 1.5 Mbps downlink and 384 Kbps uplink. See WiMAX and LTE.


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20 or Mobile Broadband Wireless Access (MBWA) + IEEE 802.
Next Generation PHS, 3GPP's Long Term Evolution (LTE), and the IEEE's 802.
 
 
 
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