Communication apparatus equipped with switchable antenna

摘要

A communication apparatus equipped with switchable antenna mechanism is provided, where the communication apparatus includes at least a portion of a portable electronic device, which includes a plurality of wireless communication functions respectively corresponding to different communication standards, and the wireless communication functions include a mobile phone function and at least one other wireless communication function. The communication apparatus includes: an antenna; a processing circuit; a plurality of processing modules arranged to provide the portable electronic device with a plurality of functions, respectively, where the functions include at least a portion of the wireless communication functions; and a switching unit. It is an advantage that, by utilizing the switching unit, different portions of the communication apparatus can share the antenna to achieve the best beneficial result through the limited area of a printed circuit board (PCB).

主权项

1. A communication apparatus equipped with a switchable antenna mechanism, the communication apparatus comprising at least a portion of a portable electronic device, the portable electronic device including a plurality of wireless communication functions corresponding to different communication standards, respectively, the wireless communication functions comprising a mobile phone function and at least one other wireless communication function, the communication apparatus comprising:
a processing circuit, arranged to control operations of the portable electronic device; a plurality of processing modules, arranged to provide the portable electronic device with a plurality of modulation functions, respectively, wherein at least a portion of the modulation functions conforms to wireless communication protocols; an antenna, arranged to receive and transmit wireless signals; a first switching unit, arranged between the antenna and the processing modules, and having a first terminal and a plurality of second terminals, wherein the first terminal of the first switching unit is electrically connected to the antenna, and the second terminals of the first switching unit are electrically connected to the processing modules, respectively; a plurality of antenna matching circuits coupled between the processing modules and the second terminals respectively, the antenna matching circuits arranged to perform antenna matching for the processing modules respectively, wherein each antenna matching circuit is coupled between one of the processing modules and one of the second terminals; a buffer, arranged to perform buffering; and a second switching unit, arranged between the processing modules and the buffer, and having a first terminal and a plurality of second terminals, wherein the first terminal of the second switching unit is electrically connected to the buffer, and the second terminals of the second switching unit are electrically connected to the processing modules, respectively; wherein the processing circuit is electrically connected to the first switching unit and the second switching unit, and further executes a program code to control the first switching unit and the second switching unit to switch dynamically, such that at least one processing module and another processing module of the plurality of processing modules operate simultaneously.