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27.195  Articles
1 of 2.721 pages  |  10  records  |  more records»
According to that node localization accuracy is not high in the DV Hop localization algorithm, shuffled frog leaping algorithm with many advantages such as the convergence speed is fast, easy to realize and excellent performance of global optimization and... see more

DV-Hop is one of the range-free localization algorithmsusing hop-distance estimation. However, it suffersfrom a large localization deviation and low localization accuracy.This paper proposed a weight-based DV-HOP improvedalgorithm. It improves the traditi... see more

In order to solve the problem that the DV-Hop localization algorithm has large errors in the wireless sensor network environment, this paper uses the minimum mean square criterion to determine the average hop distance of anchor nodes, and then calculates ... see more

This paper aims to improve the positioning accuracy of the traditional DV-hop algorithm in networks of uneven node distribution. For this purpose, an improved algorithm was proposed that reduces the errors in terms of the hop count, the mean single-hop di... see more

Wireless sensor networks (WSN), as a new method of information collection and processing, has a wide range of applications. Since the acquired data must be bound with the location information of sensor nodes, the sensor localization is one of the supporti... see more

Aiming at the low accuracy of DV-Hop localization algorithm in three-dimensional localization of wireless sensor network, a DV-Hop localization algorithm optimized by adaptive cuckoo search algorithm was proposed in this paper. Firstly, an improved DV-Hop... see more

Location information is prerequisite for wireless sensor networks (WSNs) monitoring and control applications, since there is no meaning without position information for collected data. Distance vector hop (DV-Hop) localization algorithm as the typical ran... see more

Wireless sensor networks are more and more important for various applications. Localization plays an important role in WSN. In this article, Aiming at the large errors that the DV—Hop localization algorithm have in net topology with randomly-distributed n... see more

With the increasing demand on wireless sensor networks (WSNs) applications, acquiring the information of sensor node locations becomes one of the most important issues. Up to now, available localization approaches can be categorized into range-free and ra... see more

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