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)