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Improved DV-Hop Localization Algorithm based on Surround from Anchors
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 177 - Number 40 |
| Year of Publication: 2020 |
| Authors: Abdel-Hamid Mohamed Rashid, Ashraf Hussein, Diaa Salama Abd Elminaam |
10.5120/ijca2020918930
|
Abdel-Hamid Mohamed Rashid, Ashraf Hussein, Diaa Salama Abd Elminaam . Improved DV-Hop Localization Algorithm based on Surround from Anchors. International Journal of Computer Applications. 177, 40 ( Feb 2020), 40-45. DOI=10.5120/ijca2020918930
Abstract
Advances in wireless and digital electronics have led to the invention of Wireless Sensor Network technology (WSN). The Wireless Sensor Network (WSN) is a network of tens or thousands of sensor nodes used for sensing, monitoring, and responding to events and phenomena in a specified environment. Then sent these events to places to process and analyze it and take the appropriate decisions. Many applications in Wireless Sensor Networks depend on knowing the positions of the sensor nodes. Therefore, research in localization algorithms for Wireless Sensor Networks has become an important topic. Using range-free algorithms such as the DV - hop algorithm has many drawbacks; it requires hardware support with more costs. In addition, it consumes more power. Also, it does not achieve a high rate of position accuracy. This paper presents an improvement for the traditional DV-hop algorithm. The enhanced protocol decreased the number of anchors to 5, 4 and 3 instead of using all anchors as references. This leads to enhance the position accuracy to face the needs of environmental monitoring applications. Through implementing a number of extensive simulation experiments, the enhanced algorithm outperformed the traditional DV-hop algorithm. It reduces the localization average error. That leads to improve the positioning accuracy compared with the traditional DV-hop localization algorithm.
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