Prototype Development and Experimental Performance Evaluation of FMCW Radar Using Iterative Interference Suppression Technique

Millimeter-wave FMCW (Frequency Modulated Continuous Wave) radar is a promising sensor for ADAS (Advanced Driver Assistance System) and automatic driving car. As radar-equipped vehicles are expected to be densely deployed, inter-radar interference causing miss-detection and/or false detection of targets will be a serious problem in near future. In order to solve this problem, the authors proposed a novel iterative interference suppression technique to suppress socalled wideband interference in various interference environments. To validate the proposed technique by experiments, a proto-type FMCW radar using the proposed technique is developed and evaluated. This paper describes proto-type development of FMCW radar using the proposed interference suppression technique and experimental performance evaluation results of the developed radar in real inter-radar interference environments.