Shiwu Xu, Yi Wu, Guodong Su. Fingerprint Matching and Localization Algorithm Based on Orthogonal Frequency Division Multiplexing Modulation for Visible Light Communication[J]. Laser & Optoelectronics Progress, 2019, 56(9): 090601
- Laser & Optoelectronics Progress
- Vol. 56, Issue 9, 090601 (2019)
Fig. 1. Fingerprint point distribution of location unit
Fig. 2. Communication and location model of visible light OFDM
Fig. 3. Overall distribution of location
Fig. 4. Relationship between positioning accuracy and M value when K=4
Fig. 5. Relationship between positioning accuracy and K value when M=25 cm
Fig. 6. Positioning errors for different algorithms
Fig. 7. Positioning errors for different algorithms when 100 sample points are taken
Fig. 8. Average positioning errors for different algorithms
Fig. 9. Received power from LED(25,25,200)
Fig. 10. Positioning accuracy of NLOS environment when M=25 cm and K=4
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Table 1. Experimental parameters
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