The FCC unlicensed devices rulemaking notice approved by the...
The FCC unlicensed devices rulemaking notice approved by the agency Tuesday (CED Sept 1 p4) asks questions about how to improve white spaces databases, as well as dozens of other often highly technical questions. The FCC posted the notice, which…
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runs 87 pages without commissioner statements, Wednesday (http://bit.ly/1vxJFBU). The NPRM says the FCC is examining whether it should allow white spaces devices to operate in the whites spaces that remain in a larger part of the broadcast band than is now permitted. “We believe that it is appropriate to revisit the Commission’s previous decisions to prohibit personal/portable device operation on channels 14-20 and below channel 14,” the FCC said. “Since the time the Commission made these decisions, it has designated multiple TV bands database administrators and has had extensive experience working with their databases.” Comments are due 45 days after publication in the Federal Register, replies 20 days later. The size of guard bands and the duplex gap will depend on how much spectrum is recovered in the auction, the agency said. The guard band between wireless downlink services and TV spectrum could be 7, 9 or 11 MHz wide, the notice said: “The duplex gap will be 11 megahertz wide under all spectrum recovery scenarios, but its frequency location will depend on the amount of spectrum recovered."