12 GHz Coexistence Study Flawed: SpaceX; RS, RKF Say Otherwise
RS Access' commissioned study showing viability of 5G coexistence with satellite incumbents in the 12 GHz band (see 2105100028) is based on flawed assumptions and still shows harm to tens of thousands of people, SpaceX said in an FCC docket…
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20-443 filing Tuesday. It said the RKF Engineering Solutions study “lacks a fundamental understanding of how the 12 GHz band is actually used,” and RKF hasn't offered to make the software that generated its simulations available for use by others more experienced with non-geostationary orbit satellite system operations. It said RS Access “has struggled to find supporters of the submission that do not have direct financial ties” to an MVDDS licensee. RKF "previously responded to nearly all of the inflammatory rhetoric raised in today’s SpaceX letter," said Chief Operating Officer David Marshack in a statement. "There is no new scientific content, only rehashed complaints. RKF has a 20-plus year track record of advising terrestrial, satellite (both GSO and NGSO), and technology companies, as well as government agencies, and we are confident in the work we've conducted on 12GHz coexistence, which is among the most detailed we have submitted in a Commission proceeding." RS Access CEO Noah Campbell said RKF "has produced the only serious engineering work to date [while] SpaceX failed to produce its own study. Instead of doing its own work, SpaceX continues baseless and misleading attacks on others. We stand behind the work performed by RKF and look forward to working with the Commission to unleash 12 GHz."