Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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A Tabu Search Algorithm for Network Design Problem in Wireless Mesh Networks

무선 메쉬 네트워크에서 네트워크 설계 문제를 위한 타부 서치 알고리즘

  • Jang, Kil-woong (Department of Data Informatics, Korea Maritime and Ocean University)
  • Received : 2020.03.18
  • Accepted : 2020.04.04
  • Published : 2020.06.30
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Abstract

Wireless mesh networks consist of mesh clients, mesh routers and mesh access points. The mesh router connects wireless network services to the mesh client, and the mesh access point connects to the backbone network using a wired link and provides Internet access to the mesh client. In this paper, a limited number of mesh routers and mesh access points are used to propose optimization algorithms for network design for wireless mesh networks. The optimization algorithm in this paper has been applied with a sub-subscription algorithm, which is one of the meta-heuristic methods, and is designed to minimize the transmission delay for the placement of mesh routers and mesh access points, and produce optimal results within a reasonable time. The proposed algorithm was evaluated in terms of transmission delay and time to perform the algorithm for the placement of mesh routers and mesh access points, and the performance evaluation results showed superior performance compared to the previous meta-heuristic methods.

무선 메쉬 네트워크는 메쉬 클라이언트와 메쉬 라우터, 메쉬 액세스 포인트로 구성된다. 메쉬 라우터는 메쉬 클라이언트에게 무선 네트워크 서비스를 연결해주며, 메쉬 액세스 포인트는 유선 링크를 사용하여 백본 네트워크에 연결하고 메쉬 클라이언트에게 인터넷 액세스 서비스를 제공한다. 본 논문에서는 제한된 수의 메쉬 라우터와 메쉬 액세스 포인트를 사용하여 무선 메쉬 네트워크에 대한 네트워크 설계를 위한 최적화 알고리즘을 제안한다. 본 논문에서 제안된 최적화 알고리즘은 메타휴리스틱방식의 하나인 타부서치 알고리즘을 적용하였으며, 라우터와 메쉬 액세스 포인트의 배치에 따른 전송지연을 최소화하고 적절한 수행 시간 안에 결과가 도출되도록 설계되었다. 제안된 타부서치 알고리즘은 메쉬 라우터와 메쉬 액세스 포인트의 배치를 위한 전송지연과 알고리즘 수행시간 관점에서 비교 평가되었으며, 성능평가에서 기존의 제안된 메타휴리스틱 방식에 비해 우수한 성능을 보였다.

Keywords

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