33. From a non-Federal, commercial perspective, the 1755-1780 MHz band holds potential as an extension to existing AWS spectrum. The band has several characteristics that make it especially appealing for commercial wireless use. First, it is located adjacent to the AWS-1 uplink/mobile band at 1710-1755 MHz and thus, offers the benefits of contiguous bands. Second, it is regionally and internationally harmonized for mobile broadband, raising the potential for commercial operators to benefit from economies of scale achieved by equipment manufacturers developing equipment for a global market. Third, it could be paired with the 2155-2180 MHz band to symmetrically extend the AWS-1 band. The National Broadband Plan favored pairing the 1755-1780 MHz band with the 2155-2180 MHz band for similar reasons."
34. We propose uplink mobile use of 1755-1780 MHz under technical rules similar to AWS-1 uplinks in the adjacent 1710-1755 MHz band, subject to Federal requirements including coordination with incumbent Federal users, that emerge from the CSMAC process, if transmitted by NTIA. As mentioned above, however, CSMAC working groups 3-5 have not yet issued final reports for NTIA's consideration. We will consider CSMAC's recommendations, if NTIA accepts them, to inform the service rules for the 1755-1780 MHz band, including terms of sharing and required protections to the extent that relocation and clearing is not feasible. We intend to incorporate NTIA's forthcoming recommendations into the record of this proceeding and anticipate that commenters will discuss NTIA's recommendations in comments, reply comments, or written ex partes, as appropriate, depending on the timing. We discuss these issues in greater detail below in paragraphs 73-77. Allocation issues are discussed in para. 175.
35. 2020-2025 MHz. The 2020-2025 MHz band is already allocated for the non-Federal fixed and mobile services and is part of the 35 megahertz (1990-2025 MHz) that the Commission repurposed in 2000 from BAS to emerging technologies such as Personal Communications Services (PCS), AWS, and Mobile Satellite Service (MSS). This repurposing was possible because BAS converted nationwide from seven analog channels (each 17-18 megahertz wide) to seven digital channels (each 12 megahertz wide). In 2004, the Commission proposed to license 2020-2025 MHz for uplink/mobile use paired with 2175-2180 MHz. The Commission did not adopt this proposal and, in 2008 it proposed instead to combine 2175-2180 MHz and 2155-2175 MHz, to make a larger unpaired block at 2155-2180 MHz. The Commission did not make a further proposal for the 2020-2025 MHz band immediately above the AWS-4 uplink band (2000-2020 MHz). Today, we propose uplink/mobile use of 2020-2025 MHz under rules similar to the AWS-4 rules. We do not propose to modify the allocation for this band but, as described in paragraph 173 below, we propose changes to several related footnotes in the Table of Frequency Allocations.
Additional Bands, Including the Requirement To Identify 15 MHz of Contiguous Spectrum for Commercial Use
36. As discussed above, the Spectrum Act requires the Commission to identify an additional 15 megahertz of contiguous spectrum for commercial use. We seek comment on an appropriate candidate for that choice, including, for example, the 1755-1780 MHz band identified above. As an alternative, we also seek general comment on the allocation of other frequencies in order to meet or surpass this requirement of the Spectrum Act, and more specific comment on those listed below. Parties that advocate licensing any of the spectrum below or any alternative spectrum for wireless broadband should describe in detail the technical, operational, and licensing rules that we should apply. For example, could the service rules that we are proposing for 1695-1710 MHz, 1755-1780 MHz, 2020-2025 MHz, or 2155-2180 MHz, be applied? If so, would modifications be necessary to address issues related to specifically identified bands? Issues related to the need for changes to the Table of Allocations are treated separately in paragraphs 171-179 below.
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