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Through detailed analysis of energy consumption of wireless sensor network with uniform node distribution, it is proved that the assumption of network where the density of sensor nodes in the same circular ring is uniform can cause inaccurate analysis of energy consumption. A more accurate theoretically analytical method for avoiding energy hole is proposed for wireless sensor networks with non-uniform...
The multi-path routing strategy can delicately balance the energy consumption of wireless sensor networks to avoid the energy hole problem and prolong the lifetime of networks. In order to delicately plan a number of next-hop routing paths of each node, this paper proposes a multi-path energy hole avoidance routing algorithm that exploits the genetic algorithm (GA) to select numbers of next-hop nodes...
An important issue of routing is how to effectively balance the energy consumption of the entire network, and avoid the energy-hole which would lead to the premature death of the network. Based on the characteristics of wireless sensor network, this paper firstly converts the routing problem into linear programming problem, and proves the equivalence between the routing problem and linear programming...
This paper studies the design of optimal location of buffer area in a movement-assisted data gathering scheme. In [7], the author only considered a network scenario where rLtR and the transmission power of sensor was fixed. This paper extends the network to a general network where the relationship between r and R is arbitrary and the transmission power of sensor is variable. In the network, the maximum...
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