LoRaWAPS: A Wide-Area Positioning System Based on LoRa Mesh
Source abstract
Abstract
The positioning task of the Internet of Things (IoT) for outdoor environments requires that the node devices meet the requirements of low power consumption, long endurance, and low cost and that the positioning system can achieve high-precision positioning and wide-area coverage. Considering that traditional IoT positioning technology cannot balance the cost, energy consumption, and positioning performance well, a Wide-Area Positioning System Based on Long Range Mesh (LoRaWAPS), which is a low-cost and low-power outdoor positioning system with multi-anchor wireless mesh networking and multi-dimensional data fusion, is designed in this paper. To meet the need for a positioning system, a low-power consumption and high-reliability LoRa Mesh protocol is proposed. Aiming at the problem that the accuracy of LoRa ranging is easily affected by the non-line-of-sight (NLOS) path propagation of signals, a distance estimation algorithm based on the fusion of time of flight (TOF) and received signal strength indicator (RSSI) multi-sampling data is proposed. Furthermore, a position estimation algorithm is designed to minimize the posteriori RSSI error for multi-anchor cooperative estimation scenarios. Furthermore, the prototype of LoRaWAPS is built and tested in the campus environment. The experimental results show that the proposed system can provide reliable location service with low power and low cost.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Indoor and Outdoor Localization Technologies · IoT Networks and Protocols · Underwater Vehicles and Communication Systems
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou 310027, China
Department of Information Engineering, Yangzhou Polytechnic College, Yangzhou 225009, China
College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, China
College of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China
Funding
Open Research Project of the State Key Laboratory of Industrial Control Technology, Zhejiang University, China · National Natural Science Foundation of China
References (49)
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