Method and apparatus for controlling antenna in vehicle communication system

The present invention relates to antenna control method in which the internal and external antennas vehicle and apparatus therefor. An antenna control method in the provided with an external antenna and a built-in antenna according to an embodiment of the invention the vehicle is above the step of the trigger (Trigger) the emergency call (eCall) when it detects the occurrence of an accident event after the vehicle start It can be given by the quality of the radio signal and the measuring step of measuring a quality of a radio signal received through the external antenna compared with the reference value includes the step of selecting an antenna to be used for the emergency call. Accordingly, the present invention can advantageously provide an emergency call service more effectively through the detection of external and internal antenna.