2. Developments Regarding 1755 MHz and Related Bands
22. Industry Roadmap. Recently, T-Mobile filed a wireless industry proposal (Industry Roadmap) for making the 1755-1780 MHz band available for commercial use in time to auction the band at the same time as the 2155-2180 MHz band, which the Spectrum Act requires to be auctioned and licensed by
23. DoD Alternative Proposal. On
24. First, we briefly describe spectrum bands that we could include in the group of AWS-3 bands and, where applicable, proposals or questions on which we are seeking comment. Next, we seek comment on configuration issues such as downlink/uplink designations, pairing, block size, and service areas for AWS-3. Because of the parallel CSMAC process, there are a number of different options for proceeding in a manner consistent with the Spectrum Act. For purposes of this notice, we have described the bands and configurations in a modular way. Commenters may put forward specific options that involve all or a subset of the bands described below, and may contemplate paired or unpaired bands. Because non-Federal use of the 1695-1710 MHz and 1755-1780 MHz bands is proposed on a shared basis with Federal users if clearing is not feasible, we also consider recommendations and issues related to Federal Band Reallocation, Sharing, and Coordination that aim to maximize commercial use of these bands.
25. For the 1695-1710 MHz band, we seek comment on NTIA's recommendations in the WG1 Final Report, which reflects the significant progress that was made "to refine interference analysis and develop a deeper understanding of the issues and options available for maximizing access to the spectrum for commercial services while protecting incumbent Federal operations in the 1695-1710 MHz and the adjacent 1675-1695 MHz bands." We propose to adopt the sharing framework described in the WG1 Final Report including the recommended Protection Zones within which all non-Federal use must be coordinated successfully with Federal incumbents prior to operation. We also propose to adopt the coordination methodology of the WG1 Final Report, including the recommendations to consider certain refinements to the methodology. Additionally, we seek comment on coordination procedures.
26. For the 1755-1780 MHz band, we anticipate the possibility of a "hybrid" recommendation, in which some operations would be relocated, some would share the band with commercial licensees, and some would not share the band (in certain geographic protection zones or exclusion zones). In light of that possibility, and assuming that NTIA may endorse the CSMAC recommendations, we seek comment on adopting Protection Zones, Exclusion Zones, and other sharing measures or alternatives. Finally, we seek comment on technical, licensing, and operational rules as well as regulatory issues.
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