Abstract
USN 환경에서 제안된 라우팅 프로토콜 중에서 PEGASIS 프로토콜은 LEACH 프로토콜과 비교해 볼 때 노드의 에너지 소비량 감소에 효과적이다. 하지만, PEGASIS 프로토콜은 센서 네트워크의 특성인 BS 노드의 빈번한 변경으로 인한 센서 네트워크 망 구성의 변화에 취약성을 가지고 있다. 이에 본 논문에서는 이를 해결하기 위해서 작은 단위의 클러스터 헤드를 선출해 중간노드의 역할을 하게 하고자 한다. 이를 통해 PEGASIS 알고리즘이 가지고 있는 취약점을 보완할 수 있음을 보이고 이에 대한 시뮬레이션 결과를 보인다. 【The PEGASIS protocol is more effective about energy consumption more than LEACH in USN environment. However, PEGASIS is weakness enemy in change of sensor network net composition because It changes BS node frequently. Therefore, we propose new routing protocol that use Sub-Cluster Chaining to solve this problem in this paper. It can reduce overhead that happen in election of middle node doing so and reduce energy consumption. Also, It can supplement limitation that PEGASIS has. This is treatise shows that new protocol that propose than existent PEGASIS through simulation is superior.】
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