BASE STATION FOR EARTH COMMUNICATION SYSTEM

摘要

A terrestrial radio system (100) which utilizes spot beams (41,42,43) time division multiple access and frequency re-use to provide communications services from a base station (10) to remote customers (11) within a system service region (12). The base station advantageously is arranged with multistage switching (515, 517, 519) so as to permit the respective sharing of radio transmitters (518) and receivers (516) over larger number of antenna transmitting and receiving ports.