替代频率使用公共安全系统

Response to Title XVII, Section 1705 of theNational Defense Authorization Act for FY2001 U.S. DEPARTMENT OF COMMERCENational Telecommunications and Information Administration NTIA SPECIAL PUBLICATION 01-48 ALTERNATIVE FREQUENCIESFOR USE BYPUBLIC SAFETY SYSTEMS Response to Title XVII, Section 1705 of theNational Defense Authorization Act for FY2001 Thomas L. ChirhartCharles T. HoffmanRichard J. OrsulakEdward F. Drocella U.S. DEPARTMENT OF COMMERCEDonald L. Evans, Secretary Nancy J. Victory, Assistant Secretaryfor Communications and Information, andAdministrator, National Telecommunicationsand Information Administration December 2001 Project Management Office of Spectrum Management William T. HatchAssociate AdministratorOffice of Spectrum Management Fredrick R. WentlandDirector, Spectrum Plans and Policies William D. SpeightsManager, Public Safety Program Report Authors Thomas L. ChirhartCharles T. HoffmanRichard J. OrsulakEdward F. Drocella Contributors U.S. Department of JusticeMerri Jo Gamble U.S. Treasury DepartmentJames Downes/Ralph Robles U.S. Department of the InteriorArthur Nelson U.S. Department of AgricultureMarvin Storey TABLE OF CONTENTS ACRONYMS AND ABBREVIATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ixEXECUTIVE SUMMARY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xiSECTION 1. INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1BACKGROUND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1OBJECTIVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3APPROACH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3SECTION 2. IDENTIFICATION OF FREQUENCY BANDS TO BE CONSIDERED FOR ALTERNATIVEFREQUENCIESINTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1SELECTION OF FEDERAL GOVERNMENT FREQUENCY BANDS TO BE CONSIDERED FORALTERNATIVE FREQUENCIES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1State and Local Public Safety Spectrum Allocations Above 100 MHz . . . . . . . . . . . . . . . . . . . 2-1Federal Government Spectrum Allocations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2ANALYSIS OF FEDERAL GOVERNMENT FREQUENCY BANDS . . . . . . . . . . . . . . . . . . . . . . . . . 2-4Aviation Communications and Radionavigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4Fixed and Mobile Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5Space and Environmental Sciences. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7National Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8Satellite Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10Analysis Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10FEDERAL GOVERNMENT FREQUENCY BANDS SELECTED FOR CONSIDERATION. . . . . . 2-10SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11SECTION 3. FEDERAL OPERATIONS IN THE 162-174 MHz AND 406.1-420 MHz BANDSINTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1FEDERAL PUBLIC SAFETY AGENCY PLANS IN THE 162-174 MHz AND 406.1-420 MHzBANDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2Department of Justice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2Department of the Treasury . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2United States Coast Guard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3Other Federal Public Safety Agencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4SPECTRUM EFFICIENT TECHNOLOGIES IN THE 162-174 MHz AND 406.1-420 MHz BANDS. 3-5Migration to Narrowband Technology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5Integrated Wireless Networks . . . . . . . . .