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2022-08-26
Teo, Yu Xian, Chen, Jiaqi, Ash, Neil, Ruddle, Alastair R., Martin, Anthony J. M..  2021.  Forensic Analysis of Automotive Controller Area Network Emissions for Problem Resolution. 2021 IEEE International Joint EMC/SI/PI and EMC Europe Symposium. :619–623.
Electromagnetic emissions associated with the transmission of automotive controller area network (CAN) messages within a passenger car have been analysed and used to reconstruct the original CAN messages. Concurrent monitoring of the CAN traffic via a wired connection to the vehicle OBD-II port was used to validate the effectiveness of the reconstruction process. These results confirm the feasibility of reconstructing in-vehicle network data for forensic purposes, without the need for wired access, at distances of up to 1 m from the vehicle by using magnetic field measurements, and up to 3 m using electric field measurements. This capability has applications in the identification and resolution of EMI issues in vehicle data network, as well as possible implications for automotive cybersecurity.