Method for intelligent antenna configuration selection and communication apparatus utilizing the same

A communication apparatus, comprising:

• an antenna module, comprising a plurality of antennas;
• a switching circuit, coupled to the antenna module for controlling a configuration of the antennas according to an antenna configuration indication signal;
• a first radio module, providing communication services in compliance with a first radio access technology (RAT);
• a second radio module, providing communication services in compliance with a second RAT, wherein the first radio module and the second radio module share the antenna module;
• and
• an arbitration controller, coupled to the first radio module and the second radio module, determining an optimum antenna configuration based on a predefined decision matrix and generating the antenna configuration indication signal based on the optimum antenna configuration.

A method for intelligent antenna configuration selection of a communication apparatus comprising an antenna module comprising a plurality of antennas and a plurality of radio modules sharing the antenna module, comprising:

• individually determining a preferred antenna configuration of the antenna module by each radio module;
• determining an optimum antenna configuration according to the preferred antenna configurations;
• and
• controlling a configuration of the antennas based on the optimum antenna configuration,
• wherein the optimum antenna configuration is determined for a radio module having a highest priority among the radio modules to have an optimum radio communication performance.