CONTENTS

Policy on Intellectual Property Right (IPR)
 1     Introduction
 2     System model
        2.1     HAPS IMT-2000
        2.2     Propagation model
                  2.2.1     Simplified model of an extended version of Hata’s model
                  2.2.2     Free space loss model
 3     C/I analysis at a cellular mobile station and the required C/I to determine the separation distance between HAPS system and cellular system
        3.1     C/I analysis at a cellular mobile station
        3.2     The required C/I to determine the separation distance
 1     Parameters for C/I calculation
 2     Calculation of separation distance
 1     Interference to a cellular mobile station
        1.1     Interference from a cellular base station
        1.2     Interference from a HAPS base station
 1     Reference radiation pattern used (Recommendation ITU-R M.1456)