Researching | Indoor Visible Light Fingerprint Location Method Based on BAS-LSSVM

Laser & Optoelectronics Progress, Volume. 59, Issue 11, 1106005(2022)

Indoor Visible Light Fingerprint Location Method Based on BAS-LSSVM

Yong Deng^* and Gan Liu

Author Affiliations

School of Mechatronic Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan , China

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Figures & Tables(11)

Fig. 1. Visible light fingerprint location system model

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Fig. 2. Establishment process of BAS-LSSVM fingerprint location model

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Fig. 3. Experimental platform

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Fig. 4. LSSVM hyperparameter optimized by iterative BAS algorithm reaches the optimal value

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Fig. 5. Cumulative distributions of the positioning errors

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Fig. 6. Positioning error probability histogram

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Fig. 7. Performance comparison of three algorithms

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Fig. 8. Positioning error probability histogram

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Table 1. LED lamp parameters
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Table 1. LED lamp parameters
Parameter Value
Voltage /V 220
Power /W 3
Luminous flux /lm 250
Initial light efficiency /（lm·W^-1） 70
Half power half angle /（°） 37.5

Table 2. Technical parameters of GY-39
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Table 2. Technical parameters of GY-39
GY-39 Parameter
Light intensity measurement range /lx 0.045‒188000
Response frequency /Hz 10
Working voltage /V 3‒5
Working current /mA 5

Table 3. Positioning error and number of iterations of different location algorithms
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Table 3. Positioning error and number of iterations of different location algorithms
Location algorithm Maximum positioning error /m Average positioning error /m Number of iterations
BAS-LSSVM 0.140 0.031 23
PSO-LSSVM 0.217 0.074 47
GA-LSSVM 0.193 0.061 36

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Yong Deng, Gan Liu. Indoor Visible Light Fingerprint Location Method Based on BAS-LSSVM[J]. Laser & Optoelectronics Progress, 2022, 59(11): 1106005

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Jul. 19, 2021

Accepted: Jul. 28, 2021

Published Online: Jun. 9, 2022

The Author Email: Deng Yong (201231010013@swpu.edu.cn)

DOI:10.3788/LOP202259.1106005

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology