Researching | New Type of Optical Camera Communication Signal Demodulation Scheme

Acta Optica Sinica, Volume. 41, Issue 23, 2306006(2021)

New Type of Optical Camera Communication Signal Demodulation Scheme

Panpan Li¹, Lifang Feng^1、*, and Shunyi Huang²

Author Affiliations

¹School of Computer & Communication Engineering, University of Science and Technology Beijing, Beijing 100083, China;

²Beijing Yanghua Foundation Technology Co., Ltd., Beijing 100038, China

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Figures&Tables (11)

References (17)

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Figures & Tables(11)

Fig. 1. Schematic diagram of OCC system

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Fig. 2. Working mode of roller shutter

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Fig. 3. Standard deviation of image varying with parameter n

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Fig. 4. Stripe images. (a) Original image; (b) image after enhancement

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Fig. 5. Derivative of gray value . (a) Original image; (b) image after enhancement

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Fig. 6. Schematic diagram of operation process

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Fig. 7. Derivative of gray value. (a) Before expansion; (b) after expansion

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Fig. 8. BER performances against different data rates under 10-cm spacing

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Fig. 9. BER performance under different distances with 7.68-kbit·s^-1 data rate

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Table 1. Standard deviation of image varying with parameter A_d and parameter A_e

Table 1. Standard deviation of image varying with parameter A_d and parameter A_e

Parameter	A_d=50	A_d=100	A_d=150	A_d=200	A_d=250	A_d=300
A_e=50	49.91	86.94	107.36	113.72	113.83	112.67
A_e=100	44.35	72.64	104.88	116.38	118.07	118.20
A_e=150	38.37	69.96	100.06	116.26	119.37	120.19
A_e=200	32.67	63.89	94.53	114.84	119.58	120.91
A_e=250	27.58	58.00	88.69	112.08	119.20	120.23
A_e=300	23.09	52.34	82.94	108.17	118.28	120.11

Table 2. Experimental configuration parameters
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Table 2. Experimental configuration parameters
Experimental parameter Value
Frame rate /(frame·s^-1) 60
Pixel resolution 3968×2976
Data rate /(kbit·s^-1) 1.92 3.84 5.76 7.68
Payload bit length /bit 32 64 96 128
Bit resolution /pixel 27.56 20.67 13.65 9.60

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Panpan Li, Lifang Feng, Shunyi Huang. New Type of Optical Camera Communication Signal Demodulation Scheme[J]. Acta Optica Sinica, 2021, 41(23): 2306006

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Mar. 23, 2021

Accepted: Jun. 15, 2021

Published Online: Nov. 29, 2021

The Author Email: Feng Lifang (lffeng@ustb.edu.cn)

DOI:10.3788/AOS202141.2306006

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology