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Attack localization task allocation in wireless sensor networks based on multi-objective binary particle swarm optimization
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DOI：10.1016/j.jnca.2018.03.023.png)
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In order to prolong the lifetime of the wireless sensor network (WSN) during locating attacks' position, an Attack Localization Task Allocation (ALTA) algorithm based on multi-objective binary particle swarm optimization is proposed to determine the nodes joining to locate attacks. ALTA models the attack localization tasks as a multi-objective optimization model, in which the main idea is to construct objective functions consisting of total task execution time, total energy consumption and load balance for achieving the minimum time cost, energy cost and maximum load balance to prolong the network lifetime, and construct the constraints consisting of the work load and the received signal strength (RSS) space constraints for ensuring enough beacon nodes and closer beacon nodes being selected to successfully locate the attacker node. During the processing of searching for the optional solution, a nonlinear decreasing inertia weight is adopted to overcome the drawback of easily trapping in local optimum exiting in binary particle swarm optimization (BPSO) algorithm, and the elite archive strategy is adopted to dynamically maintain the optimal solutions and improve the convergence rate. Simulation results indicate that ALTA is suitable for attack localization task allocation in wireless sensor networks with shorter period of task processing and lower energy consumption.
Keyword:
Wireless sensor network
Attack localization task allocation
Multi-objective binary particle swarm optimization
Elite archive strategy
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