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Due to the deployment limitations of global positioning system (GPS), a pseudo geometric broadcast approach is investigated in resource constrained wireless sensor networks (WSNs). Without relying on the GPS support, a set of nodes closely located in a strategic position is judiciously searched and identified as a forwarding node. In this paper, we first propose both enhanced ad hoc broadcast protocol...
DV-Hop algorithm is one of the important range-free localization algorithms. Three improved methods are put forward in this paper to settle the larger location error of the classic DV-Hop localization algorithm. First, the average hop-size of each anchor node is calculated by adopting least squares method. Second, the distance between unknown nodes and anchor nodes is refined by means of the average...
Wireless Sensor Networks (WSN) represent a new dimension in the field of networking. In this paper, an improved Genetic Algorithm is applied to the design of high performance multi-path routing protocol of WSN at the first time. The Algorithm consists of two stages: single-parent evolution and population evolution. The initial population is formed in the stage of single-parent evolution by using gene...
Biological systems exhibit remarkable adaptation and robustness in the face of widely changing environments. Currently speaking, we often imitate the properties of biological systems. Based on this thought, it also exists the analogous situation in the WSNs (wireless sensor networks). Survivability is the ability to provide essential services in the presence of attacks and failures, and recover full...
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