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The FCC today announced changes
that make more licensed microwave spectrum available for
wireless backhaul use. <http://www.fcc.gov/document/fcc-adopts-wireless-backhaul-reform-part-broadband-acceleration-initiative-and-spectrum-and> The FCC action makes additional point-to-point licensed spectrum available in the 7 and 13 GHz bands. WISPA's FCC Comments supported this change. WISPA also supported the use of adaptive modulation in these bands. The FCC granted this as well. One point that WISPA supported that was not approved by the FCC was allowing point-to-multipoint "auxiliary stations" within this spectrum. Finally, the FCC approved the use of 25 MHz channels in the 13 GHz band. Channels in this band are full-duplex (one transmit channel paired with one receive channel) so this is the equivalent of allowing 50-MHz channel widths. The FCC will be issuing a Further Notice of Proposed Rulemaking (FNPRM) to address the remaining unresolved issues such as allowing smaller antenna sizes on these licensed links. WISPA has filed Comments supporting smaller antenna sizes. Questions are always welcomed. Jack Unger Chair - WISPA FCC Committee 818-227-4220 -- Jack Unger - President, Ask-Wi.Com, Inc. Author (2003) - "Deploying License-Free Wireless Wide-Area Networks" Serving the WISP, Networking and Telecom Communities since 1993 www.ask-wi.com 818-227-4220 [email protected] |
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