Testing of the GSM-R system against electromagnetic disturbances present in the railway environment

This paper proposes to discuss on the electromagnetic (EM) immunity tests methodologies actually defined in standards and their application to the GSM-R (Global System for Mobile communications-Railways). It presents a background about the existent standards, the applied test signals and their inadaptability to provide immunity of the GSM-R system. The paper also presents a methodology to perform immunity tests on GSM-R transmissions in laboratory and analyses the impact of the test signals on the results.