Utilities Discuss 6 GHz Field Tests with FCC
July tests of interference by low-power indoor devices in the 6 GHz band to FirstEnergy’s licensed operations there raised potential concerns, the company and Edison Electric Institute told the FCC. They reported on a virtual meeting last week with staff…
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from the Office of Engineering and Technology to discuss the tests, in a filing Thursday in docket 18-295. The 6 GHz incumbents noted the “additive nature of interference from LPIs operating both within and outside of the microwave beamwidth.” Tests confirmed “a single LPI can cause harmful interference” and the “limited effectiveness of contention-based protocol to reduce signal transmission power.” FirstNet said it did its study in the summer during peak foliage “to observe the impact of unlicensed LPI 6E” devices “during the ‘best case’ time of the year for minimizing interference.”