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무선 브로드캐스트 애드혹 네트워크에서 네트워크 수명을 최대화하기 위한 타부서치 알고리즘

Tabu search Algorithm for Maximizing Network Lifetime in Wireless Broadcast Ad-hoc Networks

  • Jang, Kil-Woong (Division of Electronics Electrical and Information, Korea Maritime and Ocean University)
  • 투고 : 2022.06.29
  • 심사 : 2022.07.17
  • 발행 : 2022.08.31

초록

본 논문은 브로드캐스트 전송방식을 사용하는 무선 애드혹 네트워크에서 네트워크 수명을 최대화하는 최적화 알고리즘을 제안한다. 본 논문에서 제안하는 최적화 알고리즘은 메모리 구조를 이용하여 로컬 검색 방법을 향상시키는 메타휴리스틱 방식인 타부서치 알고리즘을 적용한다. 제안된 타부서치 알고리즘은 네트워크 수명 최대화 문제에 대하여 효율적인 인코딩 방식과 인접해 검색 방법을 제안한다. 제안된 방식을 적용하여 효율적인 브로드캐스트 라우팅을 설계함으로써 전체 네트워크의 수명을 최대화한다. 제안된 타부서치 알고리즘은 네트워크에서 발생하는 브로드캐스트 전송에서 모든 노드의 소모 에너지와 최초 소실 노드 시점, 알고리즘 실행 시간 관점에서 평가되었다. 다양한 조건의 성능평가 결과에서 제안된 타부서치 알고리즘이 이전에 제안된 메타휴리스틱 알고리즘과 비교했을 때 더 우수함을 확인할 수 있었다.

In this paper, we propose an optimization algorithm that maximizes the network lifetime in wireless ad-hoc networks using the broadcast transmission method. The optimization algorithm proposed in this paper applies tabu search algorithm, a metaheuristic method that improves the local search method using the memory structure. The proposed tabu search algorithm proposes efficient encoding and neighborhood search method to the network lifetime maximization problem. By applying the proposed method to design efficient broadcast routing, we maximize the lifetime of the entire network. The proposed tabu search algorithm was evaluated in terms of the energy consumption of all nodes in the broadcast transmission occurring in the network, the time of the first lost node, and the algorithm execution time. From the performance evaluation results under various conditions, it was confirmed that the proposed tabu search algorithm was superior to the previously proposed metaheuristic algorithm.

키워드

참고문헌

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