Abstract
무선 센서 네트워크에 있어서 전역 도청에 대응하는 통신 근원지와 도착치의 위치기밀을 유지하기 위해서는 수많은 속임수용 더미 패킷들이 지속적으로 발행된다. 근원지나 도착지를 포함하는 특정 크기의 보호구역들을 설정한 후, 이 안의 노들들에 대해서만 데이터전송 중에 더미 패킷들을 생성하도록 제한하여 근원지와 도착지의 위치기밀성을 제공하면서도 패킷발생량을 줄이는 접근방안을 고려한다. 제안 프로토콜을 설계하고 형식화한 상세한 프로토콜 명세서를 제시한 후, 주요 특성과 정확성을 검증한다. Against the global eavesdropping in wireless sensor networks, tremendous amount of dummy packets for faking are likely to be continuously generated in order to keep the location privacy of the communication source and destination. In our approach only certain disk-shaped zones of encompassing sources and destination are allowed to issue dummy packets during the data transfer so that the amount of generated packets is reduced while the location privacy of the source and destination remains secret. To this end we design a routing protocol and propose a detailed formal specification of it, and verify major characteristics.
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