作者: Sze-Ching Lu , Eddy Ka Ping Young
DOI:
关键词: Engineering 、 Multi-user 、 Terminal (electronics) 、 Computer network 、 RF power amplifier 、 Antenna (radio) 、 Embedded system
摘要: A multi user communications terminal apparatus providing simultaneous access for a plurality of users to network in which the geographical locations each are registered and periodically updated, comprising terminals (320) including electroacoustic transducers (34,36); common RF unit (304) shared amplifier (342) coupling antenna system (302), comprises means (348) transmitting location updating signals, is arranged not transmit separate update signals every one said users.