본 논문에서는 차량 대 차량 네트워크에서 두 차량사이의 데이터 전송을 위해 다른 임의의 차량이 중계노드로 활용되는 상황을 가정하고, 이 때, 데이터 전송의 기밀성을 보장하는 보안 중계 프로토콜을 제안하고 성능을 분석한다. 제안 중계 프로토콜은 중계에 참여하는 임의의 차량을 온전히 신뢰할 수 없는 비신뢰(untrusted) 중계 노드로 가정하고, 보안 전송을 위해인공잡음 및 간섭 제거(interference cancellation) 기술을 활용한다. 또한, 차량 네트워크의 무선 채널의 특성을 잘 나타내는 double Rayleigh 페이딩 모델을 가정하여 중계 프로토콜의 보안 성능을 분석한다. 최종적으로, 모의실험을 통해 다양한 환경에서 보안 중계프로토콜의 성능을 보안 전송률 관점에서 평가한다.
KSP Keywords
Interference cancellation, double Rayleigh
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