FCC Seeks Comment on Potential Rules for 37 GHz Band
The FCC sought comment Friday on the future of the 37 GHz band, as expected (see 2407240039). Comments are due Sept. 9 in docket 24-243, per a public notice by the Wireless Bureau. The band is one of five teed…
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up for further investigation in the administration’s national spectrum strategy, though unlike the lower 3 GHz and 7/8 GHz bands, carriers are not targeting it for licensed, exclusive use. The strategy identifies 37 GHz “as a band for further study ‘to implement a co-equal, shared-use framework allowing federal and non-federal users to deploy operations in the band,’” the public notice says. “We find that additional information on potential uses of the Lower 37 GHz band would be helpful in the preparation of the Lower 37 GHz Report,” it adds, noting that the current record is limited. While commenters predicted uses including fixed wireless, point-to-point links, IoT networks, device-to-device operations, augmented reality, smart cities, smart grids and private networks, “they have not provided much detail about implementation of these services in the band,” the FCC says. The notice requests “specific and updated information on the contemplated uses of the band, to include interdependencies of pairing spectrum bands with the Lower 37 GHz band.” The PN also asks about the “feasibility” of aeronautical mobile service operations in the band. “We anticipate that operations offered in the band initially will be point-to-point and point-to-multipoint operations, although other types of operations -- including mobile operations -- may develop later.” The PN asks about the design of a coordination mechanism. It notes that discussions among the FCC, NTIA and DOD are aimed at a two-step mechanism. “In the first phase, an interference contour would be drawn around each existing and potential site based on its technical parameters, including transmitter details such as location (latitude and longitude), equivalent isotropic radiated power, antenna height, and antenna azimuth angle,” the notice says: If the site’s contour doesn’t overlap with any existing registration, “coordination is successful, and registration of the new site may proceed. If there is overlap, there would be a second phase.”