Layered Asymmetrically Clipped Optical Orthogonal Frequency Division Multiplexing Based Underwater Optical-Wireless Communication System

Long Liu; Ji Zhou; Haide Wang; Canyang Xiong; Hongbin Huang; Weiping Liu

doi:10.3788/LOP202158.2106005

Laser & Optoelectronics Progress, Volume. 58, Issue 21, 2106005(2021)

Layered Asymmetrically Clipped Optical Orthogonal Frequency Division Multiplexing Based Underwater Optical-Wireless Communication System

Long Liu... Ji Zhou*, Haide Wang, Canyang Xiong, Hongbin Huang and Weiping Liu |Show fewer author(s)

Author Affiliations

College of Information Science and Technology, Jinan University, Guangzhou , Guangdong 510632, China

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Abstract Get PDF(in Chinese)

Figures & Tables(10)

Fig. 1. Block diagram of Layered-ACO-OFDM transmitter with three layers

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Fig. 2. Block diagram of Layered-ACO-OFDM receiver with three layers

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Fig. 3. Simulation results of UOWC channel response in different waters. (a) Clean water; (b) harbor water

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Fig. 4. Performance comparison of Layered-ACO-OFDM system in clean water and harbor water

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Fig. 5. Relationship between performance of Layered-ACO-OFDM system and FOV in clean water

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Fig. 6. Relationship between performance of Layered-ACO-OFDM system and transmission rate in clean water

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Fig. 7. BER performance comparison between Layered-ACO-OFDM system and traditional ACO-OFDM system (triangle represents simulation data, line represents fitted curve)

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Table 1. Attenuation coefficient of green light in different environments
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Table 1. Attenuation coefficient of green light in different environments
Water type a / $m^{- 1}$ b / $m^{- 1}$ c / $m^{- 1}$
Clean water
Harbor water
0.0597
0.3055
0.2705
1.9458
0.3302
2.2513

Table 2. UOWC channel parameters
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Table 2. UOWC channel parameters
Water type Light color Mass fraction of chlorophyll /（mg· $m^{- 3}$ ） Distance /m FOV Diameter /cm
Clean water Green 1 10 Variable 50
Harbor water Green 6 10 Variable 50

Table 3. Transmit signal parameters
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Table 3. Transmit signal parameters
Number of FFT points Cyclic prefix Training sequence Number of symbols Modulation format
256 16 20 4096 16QAM

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Long Liu, Ji Zhou, Haide Wang, Canyang Xiong, Hongbin Huang, Weiping Liu. Layered Asymmetrically Clipped Optical Orthogonal Frequency Division Multiplexing Based Underwater Optical-Wireless Communication System[J]. Laser & Optoelectronics Progress, 2021, 58(21): 2106005

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