年度报告状态谱重新调整用途

U.S. Department of Commerce Wilbur L. Ross, Secretary Douglas W. Kinkoph, Acting Deputy Assistant Secretaryfor Communications and Information August 2019 TABLE OF CONTENTS INTRODUCTION....................................................................................................1 SUMMARY..............................................................................................................2 BACKGROUND......................................................................................................7 CURRENT SPECTRUM REPURPOSING ACTIVITIES ...............................11 Low-Band Spectrum.................................................................................................................................11512-698 MHz UHF TV Incentive Auction ..........................................................................................11800 MHz Band - Interstitial Channel Allocation .................................................................................12900 MHz Band ...................................................................................................................................13Mid-Band Spectrum .................................................................................................................................131300-1350 MHz Band .........................................................................................................................131526-1536 MHz, 1627.5-1637.5 MHz and 1646.5-1656.5 MHz MSS L-Band ..................................141675-1680 MHz Band .........................................................................................................................161695-1710 MHz, 1755-1780 MHz and 2155-2180 MHz (AWS-3) Bands..........................................172020-2025 MHz Band .........................................................................................................................192496-2690 MHz “2.5 GHz” Band .......................................................................................................193100-3550 MHz Band .........................................................................................................................203550-3650 MHz CBRS Band ..............................................................................................................203700-4200 MHz Band .........................................................................................................................215850-5925 MHz Band .........................................................................................................................22Mid/High-Band Spectrum .......................................................................................................................235925-6425 MHz and 6425-7125 MHz Bands......................................................................................23High-Band Spectrum ................................................................................................................................24Spectrum above 24 GHz: the FCC’s Spectrum Frontiers Proceeding .................................................24Above 95 GHz: the FCC’s Spectrum Horizons Proceeding ................................................................27 Other Spectrum Repurposing Initiatives ..................................................................................................27 Bidirectional Sharing Study.................................................................................................................27National Plan for Additional Unlicensed or Licensed-by-Rule Spectrum ...........................................28Incentives for Federal Spectrum Sharing.............................................................................................28FCC Rules for Unlicensed Use of Guard Bands..................................................................................28 CONCLUSIONS ....................................................................................................28 INTRODUCTION On October 25, 2018, President Donald J. Trump issued aPresidential Memorandumestablishing a national policy for the efficient and effective use of radiofrequency spectrum “tohelp meet our economic, national security, science, safety, and other federal mission goals nowand in the future.”1Among other things, thePresidential Memorandumrequired the Secretaryof Commerce, working through National Telecommunications and Information Administration(NTIA), and in coordination with the Office of Management and Budget (OMB), the Office ofScience and Technology Policy (OSTP), and the Federal Communications Commission (FCC),to submit an annual report “on the status of existing efforts and planned near- to mid-termspectrum repurposing initiatives.”2This is the initial report; it addresses activities and eventsduring a period beginning on January 1, 2018 and running through June 30, 2019. This report begins with some histori