PowerPoint プレゼンテーション...BSS WFD Sink (P2P device) TV ltSource* ltSinkIü (P 2P GO...
Transcript of PowerPoint プレゼンテーション...BSS WFD Sink (P2P device) TV ltSource* ltSinkIü (P 2P GO...
米国5GHz周波数解放状況
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414
013
613
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011
611
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810
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0
165
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6460565248444036IEEE channel #
20 MHz40 MHz80 MHz
160 MHz
UNII-1 UNII-2 UNII-2 UNII-35250MHz
5350MHz
5470MHz
5725MHz
9692888480767268 169
173
177
181
5825MHz
5925MHz
Currently available channels Potential new channels
he FCC released a Notice of Proposed Rulemaking outlining proposals to amend Part 15 of its Rules governing the operation of Unlicensed National Information Infrastructure (U-NII) devices in the 5 GHz band./ The NPRM covers potential changes to the rules governing the existing spectrum allocated for U-NII devices as well as the addition of 195 megahertz of spectrum to the 5 GHz U-NII bands. Below is a brief summary of the FCC’s proposals. Comments are due 45 days, and reply comments 75 days, respectively, after Federal Register publication of the NPRM, which has not yet occurred. / Revision of Part 15 of the Commission’s Rules to Permit Unlicensed National Information Infrastructure (U-NII) Devices in the 5 GHz Band, Notice of Proposed Rulemaking, ET Docket No. 13-49 (rel. Feb. 20, 2013) (“NPRM”).