作者: Dae-Hyun Sim , Jun-Sung Lee
DOI:
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摘要: The invention relates to a duplex outdoor base station utilizing hybrid system of high amplifier and optic antenna communicate over both radio frequencies. includes: RF front end part interfaced with an antenna; receiver interface unit for transmitting the received signal after amplifying signal; transceiver transmitted/received part; subsystem (BTS) test unit, coupled part, performing self-diagnosis BTS; connecting unit. This is kind simultaneously operating frequency antenna.