Patent ID: 8219141

Claim:
A power amplifier sharing system for a mobile communication terminal having a mobile Radio Frequency Identification (RFID), comprising: a mobile communication transceiver for transmitting/receiving a mobile communication signal; a mobile RFID transceiver for transmitting/receiving a mobile RFID signal; a power amplifier for amplifying a signal; a switch for providing one of a signal outputted from the mobile communication transceiver and a signal outputted from the mobile RFID transceiver to the power amplifier; a transceiver controller for selectively providing the one of a signal outputted from the mobile communication transceiver and a signal outputted from the mobile RFID transceiver to the power amplifier by controlling the switch; and a triplexer for distinguishing transmitting and receiving signals of the mobile communication transceiver from transmitting and receiving signals of the mobile RFID transceiver, and transmitting the distinguished transmitting and receiving signals to an antenna included in the terminal.