5650 5925 mhz频段的频谱资源评估

SPECTRUM RESOURCEASSESSMENT IN THE5650-5925 MHz BAND WILLIAM B. GRANTJOHN C. CARROLLCHARLES J. CHILTON U.S.DEPARTMENTOFCOMMERCEMalcolm Baldrige, Secretary Bernard J. Wunder, Jr., Assistant SecretaryforCommunicationsandInformation JANUARY1983 TABLE OF CONTENTS PageABSTRACTviiiSECTION1INTRODUCTION1Background1Objectives22ApproachSECTION2CONCLUSIONS AND RECOMMENDATIONS.4General Conclusions.4Specific Conclusions57RECOMMENDATIONS.SECTION3RULES AND REGULATIONS.8ALLOCATIONS.8SUMMARY OF WARC-79 CHANGES11TECHNICAL STANDARDS.11RADAR STANDARDS.12AMATEUR STANDARDS.13ISM STANDARDS14RESTRICTED RADIATION DEVICES15SATELLITE COMMUNICATIONS15SECTION 4MAJOR SYSTEMS AND SPECTRUM USAGE16SPECTRUM USAGE16RSMS MEASUREMENTS24MAJOR SYSTEMS AND SELECTEDTECHNICALCHARACTERISTICS55RADIOLOCATIONShipborne Radar Systems.33Surface SearchMissile Guidance Control38Ground Based Radar Systems39Transponders42.OTHER MAJOREQUIPMENT.48SECTION'5PROBLEM DEFINITION50INTRODUCTION.50PROBLEM ASSESSMENT MATRIX50POTENTIAL PROBLEMS50MANAGEABLEPROBLEMS.50NOPROBLEM53 TABLE OF CONTENTS (Cont.) PageSECTION 6ELECTROMAGNETIC COMPATIBILITYANALYSIS.54INTRODUCTION.54RADIOLOCATION-FIXED SATELLITE SHARINGRadiolocation Transmitter to Satellite ReceivingCoupling.Probability of Radar Mainbeam Intercept of Satellite45Radar Mainbeam-to-Satellite Mainbeam Coupling.Radar SideLobe to Satellite Mainbeam Interaction58Earth Station Transmitter-to-Radar Receiving Coupling.59Satellite-Radar Sharing Criteria.61Radar Off-tune Analysis.63EARTH STATION SIDELOBE-TO-RADIOLOCATION TRANSPONDER COUPLING63ISM-ANDRESTRICTED.RADIATIONDEVICES/RADAR.INTERACTIONS64SECTION7SPECTRUM MANAGEMENT'ISSUES68RADIOLOCATION AND THE FIXED-SATELLITE SERVICE68RADIOLOCATIONANDISM68RADIOLOCATION ANDTHEAMATEUR69RADIOLOCATION AND-RESTRICTED RADIATION DEVICES.69APPENDIXA71APPENDIX B73APPENDIX C80SECTION 8REFERENCES.87REFERENCEWITHLIMITED DISTRIBUTION89 LIST OF TABLES Table Page1 Pre WARC-79 Frequency A11ocations for the 5650-5925 MHz Band.9103 Government and Non-Government Assignments in the 5650-5925 MHz Band .194 AN/SPS-4 Technica1 Characteristics375AN/SPS-5 Technical Characteristics376 AN/SpS-1oF Technica1 Characteristics387AN/SPS-67 Techn.ica1 Characteris.tics388 'Typical Ground Based Radar Systems,-Uses, and Powers.409 AN/FpS-}6 (MPS-25) Technica1Characteristics.4110 : AN/TPQ-39 Technical Characteristics4111VEGA 6104 Target Tracking 'Contro1 System.4112Transponder Types and Powers.4613-MOT SST - 171C (AN/DPN-81) Technical Characteristics.471-4VEGA 302C-8 Technical Characteristics4715VEGA 366c Technica1 Characteristics4716INTElsAT VI Communication Satellite Technical Characteristics.5617Gain for 32 m Diameter Antenna at Selected Angles Off Boresight .5818Gain for 4.88 m Diameter Antenna at Selected Angles Off Boresight . :5819Summary of Minimum Required Propagation Loss in dB betweenFree Operation.60 LIST OF FIGURES FigurePage 1Tuning Range Capabilities -of Typical Major Systems.181a.Tuning Freguency Range for Unclassified OperationalRadarsinthe 5650-5925-MHz Band..182Distribution of Frequency Assignments and 5 MHzIncrements between 5650-5950 MHz.213Geographic Distribution of Government Frequency Assignmentsinthe5650-5925MHzBand.224GrowthTrend.forthe5650-5925MHzBand235OccupancyMeasurement for 5425-5925 MHzBandin the San Diego,CA Area256Spectrum Occupancy Measurement at-white .SandsMissiieRange, -NM (January 77).267Spectrum Occupancy Measurement at San Diego, CA (Apri1 81).278Spectrum Occupancy Measurement .at Seattle, WA (June 81) .28-9Measured AN/sps-10 Antenna Pattern.2910Statistical, Antenna Pattern Distribution for AN/sps-1o. .3011Measured AN/Sps-1o Emission Spectrum(Short Puise Mode).3112Measured AN/sPs-1o Emission Spectrum (Long Pulse Mode).3213Measured AN/FPS-16 Emission Spectrum.3314WSR 74-C WesternRadar Boston3415Typical 5650-5925 MHz Spectrum Usage.3616Norma1 Radar with Added Transponder4317Radar and Offset Transponder4418VEGA Target Tracking Contro1 System (TTcs) (no skin track).4519Problem Assessment Matrix5220Basic Transmission Loss Versus Distance FromExisting COMSAT Transmitter Sites6221Receiver Carrier-to-Interference Ratio atSate77ite for AN/FPS-16 Radar65 LIST OF FIGURES(Cont.) FigurePage22Receiver Carrier-to-Interference Ratio at SatelliteForAN/SPS-1oRadar.6623Ground-to-airPropagationLossat58oo MHz6824ISM/Radar Receiver Separation Distances Based on Out-of-BandSpecifications.Radar Receiver Sensitivity Shown forTwoBandwidths(Bw)..6925Fieid Disturbance Sensor/Radar Receiver Separation DistanceBased on In-Band Specifications. Radar Receiver SensitivityShownforJwoBandwidths(Bw)."7226.Low Power CommunicationsDevice/Radar Receiver SeparationDistance Based on.In-Band Specifications.Radar ReceiverSensitivity Shown for Two Bandwidths (Bw)73APPENDIXA.A-1Geometry for Probability of Radar Mainbeam to Satellite Coupling .:78 ACKNOWLEDGEMENT The authors would 1ike to acknowledge the contribution of the EM EnvironmentCharacterization Group of NTIA. This group under the direction of Robert