Abstract

본 논문에서는 실내 위치 인식 및 네트워크 성능 향상을 고려한 무선 랜 토폴로지의 구성 방안을 제안하였다. 먼저 위치 인식 및 네트워크 성능 향상을 고려하여 최적화된 무선 랜 토폴로지를 생성하는데 사용되는 4개의 목적 함수들을 설계하였다. 그리고 주어진 목적 함수로부터 근사 최적해를 생성하는 시뮬레이티드 어닐링과 타부 탐색 및 유전자 알고리즘 기반 메타 휴리스틱 알고리즘을 구현하였다. 마지막으로, 목적 함수와 메타 휴리스틱 알고리즘을 사용하여 제안한 무선 랜 토폴로지의 구성 방안에 대한 성능 분석을 수행하였다. This paper proposes a wireless LAN topology configuration method for enhancing indoor location-awareness and improving network performance simultaneously. We first develop four objective functions that yield objective goals significant to the optimal design of a wireless LAN topology in terms of location-awareness accuracy and network performance factors. Then, we develop metaheuristic algorithms such as simulated annealing, tabu search, and genetic algorithm that examine the proposed objective functions and generate a near-optimal solution for a given objective function. Finally, four objective functions and metaheuristic algorithms developed in this paper are exploited to evaluate and measure the performance of the proposed wireless LAN topology configuration method.

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