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The main goal of this work is to show the use of evolutionary computation techniques. The particle swarm optimization (PSO) and ant colony optimization (ACO) in indoor propagation problem. These algorithms employ different strategies and computational efforts, but also they have something in common. Therefore, it is appropriate to compare their performance with the genetic algorithm (GA). We have demonstrated their ability to optimize base station location using data from neural network model of wireless local area network (WLAN). The results show that PSO has- better properties compared to ACO algorithm. The ACO algorithm needs further work to optimize the algorithm parameters, improve analysis of pheromone data and reduce computation time. However, the ant colony based approach is utilizable for solving such problems.