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The Federal Communications Commission (FCC) created the Citizens Broadband Radio Service (CBRS) in the 3550-3650 MHz band in 2015. Since then, NTIA has worked closely with the FCC and the Department of Defense (DOD) to coordinate spectrum sharing among CBRS operators and existing federal users in the band. The sharing approach includes creating Dynamic Protection Areas to protect federal wireless operations from potentially harmful interference by new CBRS systems.
Transition Plans for 3550-3650 MHz Auction
The FCC has announced plans for a CBRS spectrum auction in the 3550-3650 MHz band. The Commercial Spectrum Enhancement Act enables federal agencies to seek reimbursement for transition costs associated with an auction, and these plans must be made public no later than 120 days before the auction begins. NTIA provided initial estimates of sharing costs to the FCC in December 2019. These estimated costs were reviewed by OMB and approved by Congress. The final transition plans are listed below.
Remarks of Doug Kinkoph
Associate Administrator performing the delegated duties
of the Assistant Secretary of Commerce for Communications and Information
National Telecommunications and Information Administration
Utilities Technology Council Broadband Workshop
August 5, 2020
-- As Prepared for Delivery --
Thank you for inviting me to speak with you today.
NTIA and the Department of Defense (DoD) have worked closely with the Federal Communications Commission (FCC) as it implements the rules governing Citizens Broadband Radio Service (CBRS) in the 3550-3700 MHz (3.5 GHz) band in the above-referenced proceeding. The collaborative approach taken by government and industry to share the 3.5 GHz band has enabled commercial access to this primary mid-band spectrum for 5G deployments. This letter is to notify you of changes to the protection criteria for eleven designated naval port locations.
The Trump Administration is poised to make significant progress this year in efforts to promote new 5G opportunities through mid-band spectrum sharing. In January, NTIA reported considerable potential for spectrum sharing options in the 3450-3550 MHz band. This summer, years of work by NTIA engineers in collaboration with the Federal Communications Commission (FCC) and the Department of Defense will culminate in an FCC auction of Citizens Broadband Radio Service (CBRS) licenses in the adjacent 3550-3650 MHz band.
Incumbent federal operations in both these bands are primarily military radars and include shipborne, airborne, and land-based systems. But limited information exists about actual usage of these bands – what’s sometimes known as spectrum occupancy data.
Today, NTIA’s research lab, the Institute for Telecommunication Sciences (ITS), published a summary report that presents data collected from a two-year effort to measure spectrum occupancy in these two key bands. Interim occupancy reports were provided to NTIA engineers throughout 2018 and 2019, helping to inform CBRS policy. Today’s publication makes a summary of the measurements available to the public for the first time.