Patent ID: 9178557
Filing Date: 2015-11-03
Classification: H04B

Abstract:
1. A wireless communication apparatus, comprising: a first antenna; a second antenna; a first modem, generating a control signal; a second modem; a switch, coupled to the first antenna, the second antenna, the first modem and the second modem, the switch receiving the control signal and performing switching according to the control signal, making the first antenna to be coupled to one of the first modem and the second modem, and making the second antenna to be coupled to the other one of the first modem and the second modem; a first power amplifier, coupled between the first modem and the switch, the first power amplifier receiving a first enabling signal to turn on or off according to the first enabling signal; and a second power amplifier, coupled between the second modem and the switch, the second power amplifier receiving a second enabling signal to turn on or off according to the second enabling signal, wherein the first enabling signal and the second enabling signal are generated by the first modem, wherein the second enabling signal has a higher priority than the third enabling signal, when both of the first and second modems are keeping running, the second enabling signal instructs to stop the second power amplifier and the second power amplifier is stopped regardless whether the third enabling signal is enabled or not.