Schmeiser, Olsen & Watts, LLP
Apparatus and method for protecting communication device of railroad car
An apparatus and method for protecting a communication device of a railroad car is provided. The apparatus includes an antenna portion configured to include main antennas and an auxiliary antenna, a main receiver configured to check a magnitude of a received signal transferred through the main antennas of the antenna portion, an auxiliary receiver configured to check a magnitude of a received signal transferred through the auxiliary antenna of the antenna portion, and a controller configured to compare the magnitude of the signal received by the main receiver and the magnitude of the signal received by the auxiliary receiver, determine whether there is a jamming signal according to a comparison result, and take a preset countermeasure when it is determined that there is a jamming signal.
KOREA RAILROAD RESEARCH INSTITUTE
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Kyeong Jun Seh Chan Sang Hoon Jae Ho Jung Tai Jae Hee Sung Soo Chi Hyung
Ko Oh Chang Lee Kim Kim Park Ahn