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In the last few years, the management systems which control the mobile location are becoming more important due to the increase in the number of mobile users. From among the location management techniques, the use of Location Areas is an important strategy which defines the location management task as an optimization problem with two conflicting costs that must be minimized: subscriber location update...
Nowadays the use of wireless sensor networks is a common activity. For this reason there are many works trying to solve one of the main inconveniences of the wireless sensor networks: the energy consumption. Traditionally, these networks were composed only by sensors, but now routers have been included in order to facilitate communication among sensors and reduce energy consumption at the same time...
The design and optimization of a communication network is a complex task, because it involves a lot of factors. The two most important factors are the network cost and the communications delay. We have tackled this NP-hard multi-objective optimization problem using two metaheuristics not used before: NSGA-II and SPEA-II, demonstrating that SPEA-II offers better results than NSGA-II. In order to facilitate...
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