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| Content Provider | IEEE Xplore Digital Library | 
|---|---|
| Author | Linlan Liu Haili Zhang Jian Shu Yebin Chen | 
| Copyright Year | 2011 | 
| Description | Author affiliation: Internet of Things Technology Institute/ School of Software, Nanchang Hang Kong University, China (Jian Shu; Yebin Chen) || Internet of Things Technology Institute/ School of Information Engineering, Nanchang Hang Kong University, China (Linlan Liu; Haili Zhang) | 
| Abstract | The location information is very essential to monitoring activities in wireless sensor networks. According to the low accuracy of IAPIT-3D (Improved Approximate Point in Tetrahedron) in beacon-sparse environment, we propose a RSSI-weighted refinement method. It reduces the occurrence probability of the “in-to-out error” by utilizing the improved GRID SCAN. Moreover, the RSSI-weighted method improves the accuracy and decreases the probability of “in-to-out error” simultaneously. The simulation reveals that this method enhances the accuracy relatively to IAPIT-3D and is robust to the low node density. | 
| Starting Page | 1973 | 
| Ending Page | 1977 | 
| File Size | 905860 | 
| Page Count | 5 | 
| File Format | |
| ISBN | 9781457715860 | 
| e-ISBN | 9781457715877 | 
| DOI | 10.1109/ICCSNT.2011.6182358 | 
| Language | English | 
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) | 
| Publisher Date | 2011-12-24 | 
| Publisher Place | China | 
| Access Restriction | Subscribed | 
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) | 
| Subject Keyword | Wireless sensor networks IAPIT-3D Accuracy APIT Three dimensional displays Refinement of three-dimensional localization Monitoring Niobium | 
| Content Type | Text | 
| Resource Type | Article | 
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