차량 간 통신에서 전송시간이 단축된 개선 GBSR 프로토콜 설계
Design of Reducing Transmission Time to Improvement GBSR Protocol in Vehicle-to-Vehicle
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초록
차량 간 통신에서 위치기반 라우팅 프로토콜인 GPSR(Greedy Perimeter Stateless Routing) 프로토콜보다 GBSR(Greedy Border Superiority Routing) 프로토콜이 무선 커버리지 경계부분의 노드에게 패킷을 전달함으로써 중계노드의 수를 감소시켜 성능이 더 우수한 것으로 알려져 있다. 기존의 GBSR 프로토콜은 네트워크 단절에 중점을 두어 패킷의 전송시간 및 전송속도를 고려하지 않아 도로 위의 교통사고나 응급환자 수송, 범죄와 같은 긴급 메시지를 전달함에 있어 빨리 도착하지 못하는 단점이 있다. 본 논문에서 도로를 직선도로와 교차로로 구분하여 다음 노드 선정하는 방법을 정하고, 속도가 빠른 노드에게 패킷을 전송하는 GBSR 프로토콜을 제안한다.
Abstract
Among vehicle inter-communication systems GBSR(Greedy Border Superiority Routing) protocol has outstanding performances by forwarding packets to a node in the boundary portion of the wireless coverage can reduce the number of relay nodes since GPSR(Greedy Perimeter Stateless Routing) protocol is location-based routing protocol. Existing GBSR protocols, do not consider transmission time and velocity but take into account network rupture, raise a delay in rapid message transmission about traffic accidents, transportation of emergency patients, crime on the road. In this paper, we provide a GBSR protocol that defines how to select next node after roads are divided into straight road and intersection, transmits a packet to fast velocity nodes.
참고문헌 (12)
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