Pengchen Cai, Damin Zhang, Linna Zhang, Dexin Yin, Weina Qin. Distance Vector Hop Positioning Based on Double Communication Radius and Improved Gray Wolf Algorithm[J]. Laser & Optoelectronics Progress, 2022, 59(7): 0728003
- Laser & Optoelectronics Progress
- Vol. 59, Issue 7, 0728003 (2022)
Fig. 1. Example diagram of double communication radius
Fig. 2. Network node topology of single communication radius
Fig. 3. Network node topology of double communication radius
Fig. 4. Average convergence curve of F1 function
Fig. 5. Average convergence curve of F2 function
Fig. 6. Average convergence curve of F3 function
Fig. 7. Average convergence curve of F4 function
Fig. 8. Unknown node error of three positioning algorithms
Fig. 9. Average positioning error under different communication radius
Fig. 10. Average positioning error under different beacon node proportions
Fig. 11. Average positioning error under different total number of nodes
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Table 1. Parameters of different algorithms
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Table 2. Basic information of 4 test functions
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Table 3. Parameters of the improved GWO algorithm
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Table 4. Positioning error of different algorithms
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