CONTENTS

Policy on Intellectual Property Right (IPR)
Annex 1  Method of calculation of spectrum requirements for the AMS(R)S communications in the 1.5/1.6 GHz bands
 1     General
        1.1     Introduction
        1.2     Parameters
 2     Estimation of AES count and volume of information per AES to be handled with the satellite system under consideration
 3     Calculation of information volume for each type of traffic
        3.1     Packet switched communication (including packetized voice)
        3.2     Circuit-switched communication
 4     Calculation of required bandwidth for each beam and type of carrier
        4.1     Packet switched communication (including packetized voice)
        4.2     Circuit-switched communication
        4.3     Broadband safety services
Circuit switched (CS) services
Packet switched services
                  4.3.1     Estimation of AES count and the volume of traffic per AES to be handled
                  4.3.2     Calculation of circuit switched voice and ISDN traffic volumes
                  4.3.3     Calculation of streaming IP data and standard IP data traffic volumes
                  4.3.4     Calculation of required number of sub-carriers for standard IP and streaming IP types of services
                  4.3.5     Calculation of required number of sub-carriers for circuit switched voice and ISDN types of services
                  4.3.6     Calculation of required bandwidth for different sub-carriers and overall spectrum requirements for broadband safety services
 5     Spectrum requirements for a beam within the network under consideration
 6     Example calculations
Attachment 1  to Annex 1  Parameters used in the methodology
Attachment 2  to Annex 1   Example calculations of AMS(R)S spectrum requirements