CTA Urges Revised Rules for 60 GHz Radars
CTA urged the FCC to act on revised rules for short-range field disturbance sensor (FDS) radars in the 60 GHz band (see 2110180062), in replies posted Tuesday in docket 21-264. “The Notice is an important step in the development of…
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this band, as it proposes to expand the band’s use for emerging technologies while recognizing the value of the unlicensed and licensed operations that have long been permitted,” CTA said: “Take further steps to adopt final rules in this proceeding to provide the adequate level of certainty requisite to fostering innovation.” Protect other users, said Facebook, Intel and Qualcomm. “The record confirms that higher-power radar applications should be enabled only in a manner that allows for coexistence with communications applications,” they said: “Radar proponents agree that the Commission’s aim should be coexistence with other 60 GHz unlicensed technologies.” Google saw broad agreement that rules should be based on current European Telecommunications Standards Institute standards, as proposed in the July NPRM (see 2107140032). “ETSI standard EN 305 550 provides an ideal starting point,” Google said: “This harmonized standard, which has been in effect for more than six years, forms the basis of regulations for the 60 GHz band implemented by the European Commission and relied on in more than 66 countries.” Approve “flexible coexistence rules rather than a ‘one-size-fits-all’ requirement,” Apple said: Don't "impose a prescriptive duty cycle mandate for all devices that would treat successive transmissions of less than two milliseconds as ‘on time.’” The mandate “intended to provide stringent regulatory non-interference guarantees for a subset of unlicensed devices" is "inconsistent with the spectrum policies that have made Part 15 a resounding success,” Apple said. “There is broad, general agreement among radar proponents to adopt rules that align with the European regulations,” said Acconeer. The record makes clear “that the range of radar use cases -- in use or soon to be in use -- for the 60 GHz band requires great flexibility in the technical requirements to account for the technical needs of the different use cases,” the company said. The band has been allocated for FDS “in much of the rest of the world,” said IEE Sensing, noting others “urged the Commission to adopt rules that would be harmonized with the standards adopted in Europe and Korea.”