NSF-Funded Tests Find Little Interference Threat From Wi-Fi in 6 GHz
University of Michigan tests found little risk to 6 GHz incumbents from unlicensed use of the band, researchers from that school, the University of Notre Dame and the University of Chicago, told the FCC. The researchers presented the results to…
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staff from the Office of Engineering and Technology and filed a paper in docket 18-295, said a Friday filing. Some 16,000 Wi-Fi 6E access points (APs) have been deployed in about 225 buildings at the Michigan school, researchers said. “We gathered tens of thousands of measurements of Received Signal Strength Indicator (RSSI) along with other system parameters with consumer devices, smartphones and laptops, over two representative areas: a dense enterprise deployment in the main campus area and a residential deployment close to campus,” they said: “We also presented results of measurements made at a single building in the University of Notre Dame with 70 deployed APs. Our results demonstrate that while outliers with high RSSI values are observed, the median outdoor RSSI values do not pose any interference risk to incumbents.” The research was funded by the National Science Foundation and aims at developing an “unbiased, statistical understanding of the nature of a real-world, dense Wi-Fi 6E deployment,” the filing said.