Public-Safety, CII Groups Ask FCC for Stay, Reconsideration of 6 GHz LPI Rules
Thursday, December 09, 2021 | Comments

A group of 11 public-safety and critical infrastructure industries (CII) entities filed a petition for rulemaking to make changes to FCC’s rules for low-power indoor devices in the 6 GHz band, as well as a petition of stay to delay those rules until the petition of rulemaking can be considered.

“Recent real-world tests have determined that 6 GHz LPI devices will cause harmful interference to licensed microwave systems in the band, due in part to beacon signals that will transmit constantly and thus endanger the functioning of services to public safety and critical infrastructure industries and seriously degrade, obstruct or repeatedly interrupt their radio communications services,” the petition for rulemaking said.

The groups argued that the tests also showed that the rules the commission established for 6 Ghz LPI devices, which it adopted last year in allowing unlicensed use in the band, were “fundamentally flawed.”

“Accordingly, the commission should exercise its rulemaking authority to revise the rules and conduct open and transparent testing to prove these rules effectively prevent interference to licensed microwave systems,” the petition for rulemaking said. “In that regard, the commission should require 6 GHz LPI devices to be controlled by AFC or use some other interference protection mechanisms.”

Additionally, the groups urged the commission to establish a mechanism for cost recovery to reimburse incumbents for mitigating and resolving interference from unlicensed 6 GHz operations.

“This is consistent with the commission’s ‘Emerging Technologies’ framework and commission precedent,” the petition for rulemaking said. “Also, due to the flawed data and assumptions upon which the commission relied, the commission should conduct independent tests of standard power access devices to determine if new rules need to be developed that will prevent interference from these devices to licensed microwave systems in the band.”

Meanwhile, the group also requested an immediate temporary stay of any equipment authorizations of unlicensed 6 GHz LPI devices while the commission considers the petition of rulemaking.

“This stay should apply both to 6 GHz LPI devices that the commission has already authorized, as well as any pending or future applications for authorization of 6 GHz LPI devices,” the petition for a stay said. “The stay is necessary to prevent the imminent risk of irreparable harm from the interference that these unlicensed 6 GHz LPI devices are certain to cause to incumbent licensed systems in the band.”

The groups argued that tests had shown that the LPI devices will cause harmful interference to a licensed microwave system up to 4.5 kilometers away.

“Given that the commission has already authorized 6 GHz LPI devices, an immediate stay is necessary to prevent these devices from causing harmful interference to licensed microwave systems,” the petition for a stay said.

Conversely, the groups argued that a temporary stay will not cause significant harm to other stakeholders and that it is in the public interest to protect public safety and critical infrastructure by immediately granting the stay.

The 11 groups that submitted the petitions are the Utilities Technology Council (UTC), the National Rural Electric Cooperative Association (NRECA), the Edison Electric Institute (EEI), the American Gas Association, the American Public Power Association (APPI), the American Petroleum Institute (API), American Water Works Association, the National Public-Safety Telecommunications Council (NPSTC), Nuclear Energy Institute, the International Association of Fire Chiefs (IAFC), the Association of Public-Safety Communications Officials International (APCO) and the Association of American Railroads (AAR).

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Comments
On 12/15/21, Charles Taylor said:
It s high time the FCC stopped constantly supporting their business interests and pay far more attention to the people responsible for providing public safety services.


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