Cooperative Positioning Based on Hybrid Information

Abstract:

A new localization method has been proposed to overcome the limitations of systems relying on GPS or other terrestrial infrastructure. This method fuses both pseudorange measurements from GNSS satellites and RSSI-based ranging measurements between peers of a wireless network, and uses improved collaborative subtree algorithm to partition the network. In each collaborative subtree, the nodes’ positions can be computed by using the least square algorithm based on Taylor series expansion-based. Simulation results showed that this method improves both availability and positioning accuracy.

• Periodical: Advanced Materials Research (Volumes 694-697)
• Pages: 940-946
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.694-697.940
• Online since: May 2013
• Authors: Xiang Hui Zeng*, Hong Tao Hou, Qiang Chang, Qun Li, Wei Ping Wang
• Keywords: Collaborative Subtree, Least Square (LS), Localization, Pseudorange Measurements, Ranging Measurements, Taylor Series Expansion-Based

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