Wang Jiaan, Che Ying, Guo Linyang, Wang Xinlan. LED Layout Optimization and Performance Analysis of Indoor Visible Light Communication System[J]. Chinese Journal of Lasers, 2018, 45(5): 506002
- Chinese Journal of Lasers
- Vol. 45, Issue 5, 506002 (2018)
Fig. 1. VLC system model
Fig. 2. Schematic for LOS and NLOS
Fig. 3. Illumination distributions of traditional layout. (a) MATLAB; (b) TracePro
Fig. 4. Rectangular layout of LED
Fig. 5. Mean square error of illumination for rectangular layout. (a) Number of LED is 4; (b) number of LED is 16
Fig. 6. Illumination distributions for rectangular layout. (a) Number of LED is 4; (b) number of LED is 16
Fig. 7. Distributions of illumination uniformity for rectangular layout. (a) Number of LED is 4; (b) number of LED is 16
Fig. 8. Circular layout of LED
Fig. 9. Mean square error of illumination for circular layout. (a) Number of LED is 4; (b) number of LED is 16
Fig. 10. Illuminantion distributions for circular layout. (a) Number of LED is 4; (b) number of LED is 16
Fig. 11. Distributions of illumination uniformity for circular layout. (a) Number of LED is 4; (b) number of LED is 16
Fig. 12. Illuminance for circular layouts with different radii. (a) Min illumination; (b) max illumination
Fig. 13. ROPD with rectangular layout when power of single LED is 4 W. (a) Number of LED is 4; (b) number of LED is 16
Fig. 14. ROPD with rectangular layout when power of single LED is 8 W. (a) Number of LED is 4; (b) number of LED is 16
Fig. 15. ROPD with circular layout when power of single LED is 4 W. (a) Number of LED is 4; (b) number of LED is 16
Fig. 16. ROPD with circular layout when power of single LED is 8 W. (a) Number of LED is 4; (b) number of LED is 16
Fig. 17. RSN distributions with rectangular layout. (a) Number of LED is 4; (b) number of LED is 16
Fig. 18. RSN distributions with circular layout. (a) Number of LED is 4; (b) number of LED is 16
Fig. 19. Relationship between ψFOV and optimal layout. (a) Rectangular layout; (b) circular layout
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Table 1. Simulation parameters
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