2021年4月至2024年7月的综合cbrs sas数据分析

Douglas M. BoulwareAnthony W. Romaniello Technical Report An Analysis of Aggregate CBRS SASData from April 2021 to July 2024 Douglas M. BoulwareAnthony W. Romaniello U.S. DEPARTMENT OF COMMERCE Alan DavidsonAssistant Secretary of Commerce for Communications and InformationNational Telecommunications and Information Administration November 2024 DISCLAIMER Certain commercial equipment, software, and materials are identified in this report to specifyadequately the technical aspects of the reported results. In no case does such identification implyrecommendation or endorsement by the National Telecommunications and InformationAdministration, nor does it imply that the equipment, software, or materials identified are thebest available for this purpose. CONTENTS Figures............................................................................................................................................ ivTables........................................................................................................................................... viiiAbbreviations and Acronyms ........................................................................................................ ixExecutive Summary .........................................................................................................................x1. Introduction..................................................................................................................................12. Data Collection ............................................................................................................................23. Nationwide Statistics ...................................................................................................................33.1 CBSD Statistics......................................................................................................................33.1.1 Number of Active CBSDs ............................................................................................43.1.2 CBSD Type ..................................................................................................................43.1.3 Installation Type...........................................................................................................53.1.4 License Tier..................................................................................................................63.1.5 Air Interfaces................................................................................................................73.1.6 Location Type...............................................................................................................83.2 Grant Statistics.......................................................................................................................93.2.1 Number and License Tier of Active Grants .................................................................93.2.2 Maximum EIRP..........................................................................................................103.2.3 Bandwidth and Channel Usage ..................................................................................124. State Data ...................................................................................................................................154.1 Number of CBSDs by State .................................................................................................154.2 Choropleth Maps Illustrating Categorical CBSD Statistics by State...................................175. County Data ...............................................................................................................................245.1 Number of CBSDs by County .............................................................................................245.2 Choropleth Maps Illustrating Categorical CBSD Statistics by County...............................255.3 Band Utilization...................................................................................................................355.4 Dynamic Protection Area Neighborhoods...........................................................................376. Summary ....................................................................................................................................407. Acknowledgements....................................................................................................................418. References..................................................................................................................................42 FIGURES Figure 1: Nationwide number of active CBSDs from 4/1/2021 to 7/1/2024...................................4 Figure 2: Nationwide percentage of active Cat A and Cat B CBSDs from 4/1/2021to 7/1/2024. ......................................................................................................................................5Figure 3: Nationwide per