An Improved DV-Hop Positioning Algorithm in Wireless Sensor Networks

被引：0
|
作者：
Min, Qi [1 ]
Chen, Niansheng [1 ]
Fan, Guangyu [1 ]
Rao, Lei [1 ]
Xu, Zhaohui [2 ]
Ma, Yiping [2 ]
机构：
[1] Shanghai DianJi Univ, Shanghai, Peoples R China
[2] AVIC Huadong Photoelect Shanghai Co Ltd, Shanghai, Peoples R China
来源：
2021 14TH INTERNATIONAL CONGRESS ON IMAGE AND SIGNAL PROCESSING, BIOMEDICAL ENGINEERING AND INFORMATICS (CISP-BMEI 2021) | 2021年
关键词：
DV-Hop; fusion algorithm; localization; wireless sensor networks;
D O I：
10.1109/CISP-BMEI53629.2021.9624439
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Localization technology is one of the key challenges for wireless sensor networks (WSN). In order to overcome the interference of signals and reduce the localization error, an improved DV-Hop algorithm is proposed for wireless sensor networks with sparse nodes. By using the RSSI value between neighboring nodes, the proposed algorithm improves the accuracy of the distances estimated within one hop, thus improves the localization accuracy of nodes. In addition, the correction factor alpha and beta were added to correct the average jump distance beyond one jump. Simulation experimental results show that the proposed algorithm improves the positioning performance and robustness under the same computational efficiency, compared to the existing localization methods.
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页数：5
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