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SHARING STUDIES BETWEEN MES and EXISTING TERRESTRIAL SERVICES in the BANDS ALREADY ALLOCATED to the MSS BELOW 1 Ghz

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SHARING STUDIES BETWEEN MES and EXISTING TERRESTRIAL SERVICES in the BANDS ALREADY ALLOCATED to the MSS BELOW 1 Ghz ERC REPORT 87 European Radiocommunications Committee (ERC) within the European Conference of Postal and Telecommunications Administrations (CEPT) SHARING STUDIES BETWEEN MES AND EXISTING TERRESTRIAL SERVICES IN THE BANDS ALREADY ALLOCATED TO THE MSS BELOW 1 GHz Vilnius, June 2000 revised in Regensburg, May 2001 ERC REPORT 87 Copyright 2001 the European Conference of Postal and Telecommunications Administrations (CEPT) INDEX TABLE 1 INTRODUCTION.................................................................................................................................................1 1.1 MSS ALLOCATIONS BELOW 1 GHZ .....................................................................................................................1 1.2 CANDIDATE S-PCS<1 GHZ SYSTEMS..................................................................................................................2 2 ETSI STANDARDS FOR MES BELOW 1 GHZ...............................................................................................2 3 SHARING ISSUES FOR MSS IN BANDS BELOW 1 GHZ ............................................................................2 4 CEPT STUDIES....................................................................................................................................................3 4.1 LEOTELCOM-1 .................................................................................................................................................3 4.1.1 General System Description........................................................................................................................3 4.1.2 Background information on the concerned frequency bands......................................................................3 4.1.3 Studies Conducted to date ...........................................................................................................................4 4.1.4 Conclusions Relating To LEOTELCOM-1..................................................................................................5 4.1.4.1 Downlink Band Issues..............................................................................................................................5 4.1.4.2 Uplink Band Issues...................................................................................................................................5 4.1.4.3 Sharing With the Radio Astronomy Service ............................................................................................5 4.1.4.4 Land Earth Stations ..................................................................................................................................5 4.2 LEOTELCOM-2 .................................................................................................................................................6 4.2.1 General System Description........................................................................................................................6 4.2.2 Background information on the concerned frequency bands......................................................................6 4.2.3 Studies Conducted to Date ..........................................................................................................................6 4.2.3.1 In-band compatibility with Terrestrial Mobile Systems...........................................................................6 4.2.3.2 Out-of-band compatibility with Terrestrial Mobile systems ....................................................................7 4.2.3.3 Sharing studies with Radio-Astronomy Services .....................................................................................7 4.2.4 Conclusions regarding LEOTELCOM-2.....................................................................................................7 4.2.4.1 Downlink Band Issues..............................................................................................................................7 4.2.4.2 Uplink Band Issues...................................................................................................................................7 4.2.4.3 Sharing with the Radio Astronomy..........................................................................................................7 4.2.4.4 Land Earth Stations ..................................................................................................................................8 4.3 MLMS.................................................................................................................................................................8 4.3.1 General System Description........................................................................................................................8 4.3.2 Background information on the concerned frequency bands......................................................................8 4.3.3 Studies to Date ............................................................................................................................................8 4.3.3.1 Studies to Date with regard to certain military radio applications ...........................................................8 4.3.3.2 Studies to date with regard to TETRA .....................................................................................................8 4.3.3.2.1 Interference from MLMS MES to TETRA base station ...................................................................8 4.3.3.2.2 Measurement method and set-up.......................................................................................................9 4.3.3.2.3 Measurement results..........................................................................................................................9 4.3.3.2.4 Extending the results to cover typical TETRA base station ..............................................................9 4.3.3.3 Interference from TETRA mobile to MLMS satellite receiver ................................................................9 4.3.3.4 Studies with regard to the Radio Astronomy Service.............................................................................10 4.3.4 Conclusions to Date ..................................................................................................................................10 4.3.4.1 Downlink Band Issues............................................................................................................................10 4.3.4.2 Uplink Band Issues.................................................................................................................................10 4.3.4.2.1 Conclusions to Date with regard to certain military radio applications...........................................10 4.3.4.2.1.1 Radio Relay (R/R) versus MLMS-MES...................................................................................10 4.3.4.2.1.1.1 MLMS-MES interfering Radio Relay...............................................................................10 4.3.4.2.1.1.2 Radio Relay Interfering MLMS Satellite ..........................................................................11 4.3.4.2.1.2 Air Ground Air versus MLMS-MES........................................................................................11 4.3.4.2.1.2.1 MLMS-MES interfering A/G/A Ground reception ...........................................................11 4.3.4.2.1.2.2 MLMS-MES interfering A/G/A Airborne.........................................................................11 4.3.4.2.1.2.3 A/G/A Ground and Airborne interfering MLMS Satellite ................................................11 4.3.4.2.2 Conclusions to Date with regard to TETRA ...................................................................................11 4.3.4.2.2.1 Interference from MLMS MES to TETRA base station ..........................................................11 REPORT 87 Page 4 4.3.4.2.2.2 Interference from TETRA to MLMS Space Station ................................................................ 12 4.3.4.2.3 Conclusions to Date with regard to the Radio Astronomy Service................................................. 12 4.3.4.2.4 NIB Operation of MLMS System................................................................................................... 12 4.3.4.3 Final Conclusions on the operation of the MLMS system..................................................................... 12 4.4 SAFIR 2............................................................................................................................................................ 14 4.4.1 General System Description...................................................................................................................... 14 4.4.2 Background information on the concerned frequency bands....................................................................14 4.4.3 Studies to Date.......................................................................................................................................... 14 4.4.4 Conclusions Relating To SAFIR 2 ............................................................................................................ 15 4.4.4.1 Downlink issues..................................................................................................................................... 15 4.4.4.2 Uplink issues.......................................................................................................................................... 15 4.4.4.3 Sharing With
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