CONTENTS

Policy on Intellectual Property Right (IPR)
 1     Introduction
 2     Compatibility between wireless avionics intra-communication systems and radio altimeters
        2.1     Description of studies performed
                  2.1.1     Description of Study 1 (Annex 2)
                  2.1.2     Description of Study 2 (Annex 3)
                  2.1.3     Description of Study 3 (Annex 4)
        2.2     Summary of results
                  2.2.1     Results of Study 1
                  2.2.2     Results of Study 2
                  2.2.3     Results of Study 3
 3     Sharing between systems in the fixed service and Wireless Avionics Intra-Communication systems
        3.1     Description of Study 4 (Annex 5)
        3.2     Results of Study 4
 4     Sharing between systems in the Earth exploration-satellite service (passive) and Wireless Avionics Intra‑Communication systems
        4.1     Description of Study 5 (Annex 6)
        4.2     Results of Study 5
 5     Conclusions
Annex 1  Wireless avionics intra-communication systems
      A-1.1     Wireless avionics intra-communication technical characteristics used in the studies
      A-1.2     Definition of channel gain/loss models for various areas of the aircraft
      A-1.3     Wireless avionics intra-communication reference models
      A-1.4     Maximum tolerable emission values for outside wireless avionics intra-communication systems
Annex 2  Study 1  Compatibility analysis between wireless avionics intra-communication systems and radio altimeters in the aeronautical radionavigation service
      A-2.1     Introduction
      A-2.2     Radio altimeter technical characteristics
      A-2.3     Wireless avionics intra-communication systems technical characteristics used in compatibility assessment
      A-2.4     Assessment of mutual interference impact
      A-2.5     Analysis of results
                  A-2.5.1     Assessment of interference from radio altimeters to outside wireless avionics intra-communication systems
                  A-2.5.2     Assessment of interference from outside wireless avionics intra-communication systems to radio altimeters
      A-2.6     Conclusions and proposal
Annex 3  Study 2  Compatibility analysis between wireless avionics intra-communication systems and radio altimeters in the aeronautical radionavigation service
      A-3.1     Technical characteristics and protection criteria of frequency modulated continuous wave and pulsed radio altimeters
                  A-3.1.1     Radio altimeter antenna characteristics and installation location
      A-3.2     Compatibility analysis
                  A-3.2.1     Introduction
                  A-3.2.2     In-flight scenario
                  A-3.2.3     Airport scenarios
                  A-3.2.4     Conclusions
Annex 4  Study 3  Compatibility analysis between wireless avionics intra-communication systems and radio altimeters in the aeronautical radionavigation service
      A-4.1     Wireless avionics intra-communication systems on an aircraft
      A-4.2     Simulation description
      A-4.3     Interference from wireless avionics intra-communication systems into radio altimeters analysis scenarios
                  A-4.3.1     Receiver desensitization
      A-4.4     Interference from radio altimeters to wireless avionics intra-communication systems
                  A-4.4.1     Minimum in-flight vertical separation
                  A-4.4.2     Vertical separation from an aircraft on an adjacent taxiway
                  A-4.4.3     Vertical separation from 3 aircraft on an adjacent taxiway
      A-4.5     Conclusions
Annex 5  Study 4  Compatibility analysis between wireless avionics intra-communication systems and systems in the fixed service
      A-5.1     Fixed service characteristics
     A-5.2      Interference impact of wireless avionics intra-communication systems on systems operating in the fixed service
                  A-5.2.1     Scenario
                  A-5.2.2     Results for low and high data rate inside wireless avionics intra-communication systems
                  A-5.2.3     Influence of the fixed service station pointing angle
                  A-5.2.4     Results for low and high date rate outside wireless avionics intra-communications systems
     A-5.3      Interference impact of fixed service stations onto wireless avionics intra-communications
                  A-5.3.1     Scenario
                  A-5.3.2     Results
      A-5.4     Conclusions for fixed service
Annex 6  Study 5  Compatibility analysis between wireless avionics intra-communication systems and systems in the Earth exploration-satellite service (passive)
      A-6.1     Passive sensor characteristics
      A-6.2     Air traffic
                  A-6.2.1     Static analysis
      A-6.3     Dynamic analysis
                  A-6.3.1     Results for low data rate outside and high data rate outside wireless avionics intra‑communication systems
      A-6.4     Conclusions for earth exploration satellite service (passive)