Europe should move quickly to set specifications for ultrawideban...
Europe should move quickly to set specifications for ultrawideband (UWB) makers to foreclose a risk of many devices meeting only U.S. specifications, the U.K. Office of Communications (Ofcom) said Mon. Next month, the Electronic Communications Committee of the European…
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Conference of Postal & Telecom Administrations (CEPT) is to publish draft indoor UWB communications regulations. To aid CEPT, Ofcom offered ideas based on its own UWB studies. These included: (1) FCC current “mask” limits - - upper ranges on how much power UWB devices may radiate at any particular frequencies -- don’t adequately protect incumbent services in Europe. (2) European industry will benefit substantially from a UWB rollout, provided the right mask is picked -- and picked soon, to allow regulators worldwide to adopt European rather than U.S. rules. (3) A detect & avoid (DAA) mechanism must cover the 3.1 GHz-4.2 GHz band, searching automatically for nearby broadband wireless services and switching frequency to avoid interference. (4) UWB transmitters should have transmit power control to cut interference with other services. (5) UWB device use should be banned on ships, aircraft and for fixed out-of-doors systems. (6) Rules for UWB devices shouldn’t be product- or application- specific. Ofcom also recommended the European Commission conduct a mandatory review 3 years after introduction of UWB to assess spectrum noise and potential interference from the technology and to gauge its market success.