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Reasons for DFS Requirement in Europe

Reasons for DFS Requirement in Europe. Mika Kasslin, Nokia. Current license-exempt bands in Europe. General SRD, 25 mW. RLAN, 200 mW, indoor. RLAN, 1W, outdoor. Current license-exempt bands in the US. U-NII 50mW. U-NII 250mW. U-NII 250mW. Current license-exempt bands in Japan.

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Reasons for DFS Requirement in Europe

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  1. Reasons for DFS Requirement in Europe Mika Kasslin, Nokia Mika Kasslin, Nokia

  2. Current license-exempt bands in Europe General SRD, 25 mW RLAN, 200 mW, indoor RLAN, 1W, outdoor Current license-exempt bands in the US U-NII 50mW U-NII250mW U-NII250mW Current license-exempt bands in Japan U-NII 200mW ISM Existing prim.allocations Space sc. RTTT MS FSS EESS EESS Meterologic.radars FSS E-to-S Aeron.radionav. Aeron.radionav. Radioloc. Marit.radionav. Radioloc. Radioloc. FS 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 MHz Discussions in the 5 GHz band Mika Kasslin, Nokia

  3. Reasons for DFS requirement in Europe • Equipment shall employ a DFS mechanism to detect interference from other systems and therefore is able to avoid co-channel operation with other systems, notably radar systems • DFS wil also be required to provide a spread of the loading across a minimum of 14 channels to further facilitate sharing with satellite services The only implied technical requirement is that DFS Must be able to detect Radars and change channel accordingly Satellite sharing is fasilitated as a ”side effect” Mika Kasslin, Nokia

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