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IEEE 802.11y-2008
IEEE 802.11y-2008 is an amendment to the IEEE 802.11-2007 standard that enables high powered data transfer equipment to operate using the 802.11a protocol on a co-primary basis in the 3650 to 3700 MHz band in the United States, except when near a grandfathered satellite earth station.〔(See FCC File FCC-05-56A1.pdf paragraph 7, page 4 )〕 It was approved for publication by the IEEE on September 26, 2008.
==Background==
In June 2007 the FCC issued final rules for a novel “light licensing” scheme in the 3650–3700 MHz band.〔(【引用サイトリンク】publisher=US Federal Communications Commission )〕 Licensees pay a small fee for a nationwide, non-exclusive license. They then pay an additional nominal fee for each high powered base station that they deploy. Neither the client devices (which may be fixed or mobile), nor their operators require a license, but these devices must receive an enabling signal from a licensed base station before transmitting. All stations must be identifiable in the event they cause interference to incumbent operators in the band. Further, there is a requirement that multiple licensees' devices are given the opportunity to transmit in the same area using a "contention based protocol" when possible. If interference between licensees, or the devices that they have enabled, cannot be mediated by technical means, licensees are required to resolve the dispute between themselves.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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