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There is advantage of fixed physical location for airfield lighting in airport lamp monitoring using WSN, but some lamps location is irregular, which caused large consumption of the cluster head nodes in this logic region, early death, the formation of voids during transmission, and these voids undermined the entire wireless sensor networks energy balance, reduced the WSN lifetime. To solve these...
Planning of energy-efficient protocols is critical for wireless sensor networks (WSNs) because of the constraints on sensor node's energy. Therefore, the routing protocol should be able to achieve uniform power dissipation during transmission to the sink node. In this paper, we present a self-optimization scheme for WSN which is able to utilize and optimize the sensor nodes' resources, especially...
Wireless sensor networks for existing energy consumption of each node in the uneven defect, combined with PEGASIS protocol, the first choice from the cluster, cluster formation, cluster routing and other aspects of LEACH protocol has been improved. Through theoretical analysis and simulation experiments to verify the performance of the protocol, and compared with the LEACH protocol. The results show...
Multi-hop is widely used in wireless sensor networks to deliver packets; however, biased energy consumption rate (BECR) always happens when using this delivery method. BECR can cause energy hole and isolate some nodes, which would decrease the connectivity of the wireless sensor networks, and reduce nodes' sensor effectiveness and network lifetime. Hence, we propose a scheme named potential-based...
This paper first converts the routing problem into linear programming problem of global optimization, and proves the equivalence between the routing problem and linear programming problem. On the basis of the above, the genetic algorithm (GA) is used for solving the routing problem about avoiding the energy-hole. By way of code of the routing scheme, this paper proposes a global optimal routing algorithm...
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