Globalstar Says Interference Will Degrade Public-Safety Services
Monday, October 08, 2018 | Comments

Mobile satellite services (MSS) provider Globalstar said harmful interference will seriously degrade Globalstar’s MSS offerings including public-safety community services if the commission does not promptly investigate and explore remedies to the 5.1 GHz noise rise.

In a new FCC filing, Globalstar said its products and services are used daily by public-safety personnel and other customers around the world for emergency communications, in many instances resulting in life-saving rescues. Harmful aggregate interference to Globalstar’s MSS feeder uplink spectrum at 5.1 GHz will have a substantial, detrimental impact on Globalstar’s two-way satellite services, the carrier said.

Earlier this year, Globalstar requested the FCC issue a notice of inquiry (NOI) into the cause of Globalstar experiencing a 2 dB rise in the noise floor of its licensed 5 GHz spectrum in North America. The FCC allowed unlicensed use on a shared basis in the 5 GHz band, and Globalstar requested the NOI to gather additional information and help determine the cause.

The National Public Safety Telecommunications Council (NPSTC) submitted comments supporting the request.

Globalstar said its real-world data and technical analysis demonstrate that this noise rise is the result of outdoor, higher-power operation of U-NII-1 Wi-Fi access points and other devices, permitted by the commission in April 2014.

“The commission has a statutory obligation to protect licensed services, and it committed in its 2014 order to take ‘corrective action’ in response to any harmful interference to Globalstar MSS,” the latest filing said. “The commission should open a proceeding on these crucial interference issues rather than look the other way and do nothing.”

The full Globalstar filing is here.

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