Good and bad news looms for grassroots 802.11 wireless LAN networ...
Good and bad news looms for grassroots 802.11 wireless LAN networks, Tim Pozar of Bay Area Wireless Users Group told O'Reilly Emerging Technology conference in Santa Clara Thurs. He said IEEE is working on standards to reduce interference with…
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other communications: 802.11h concerns spectrum management and transmitter power control; 802.15 involves Bluetooth-802.11 co-existence; and 802.16 covers protocols for metro area networks. But rollout of efficient, radio- frequency lighting will mean conflicting emissions from street corners, Pozar warned. He also noted Sirius Satellite Radio FCC application would require filters on 802.11b gear and curtail long-distance uses at low end of band. On interference issues, Pozar said 802.11 networkers should beware NTIA, which protects federal uses, Washington clout of amateurs’ American Radio Relay League, and possible action by 3G licensees. He added radio-frequency antennas are subject to FCC radiation regulation and “pseudo-science” scares.