Bi-Directional Free-Space Visible Light Communication Supporting Multiple Moveable Clients Using Light Diffusing Optical Fiber

Yun Han Chang; Chi Wai Chow; Yuan Zeng Lin; Yin He Jian; Chih Chun Wang; Yang Liu; Chien Hung Yeh

doi:10.3390/s23104725

Bi-Directional Free-Space Visible Light Communication Supporting Multiple Moveable Clients Using Light Diffusing Optical Fiber

Yun Han Chang, Chi Wai Chow^*, Yuan Zeng Lin, Yin He Jian, Chih Chun Wang, Yang Liu, Chien Hung Yeh

^*Corresponding author for this work

Department of Photonics

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

In this work, we put forward and demonstrate a bi-direction free-space visible light communication (VLC) system supporting multiple moveable receivers (Rxs) using a light-diffusing optical fiber (LDOF). The downlink (DL) signal is launched from a head-end or central office (CO) far away to the LDOF at the client side via a free-space transmission. When the DL signal is launched to the LDOF, which acts as an optical antenna to re-transmit the DL signal to different moveable Rxs. The uplink (UL) signal is sent via the LDOF towards the CO. In a proof-of-concept demonstration, the LDOF is 100 cm long, and the free space VLC transmission between the CO and the LDOF is 100 cm. 210 Mbit/s DL and 850 Mbit/s UL transmissions meet the pre-forward-error-correction bit error rate (pre-FEC BER = 3.8 × 10⁻³) threshold.

Original language	English
Article number	4725
Journal	Sensors
Volume	23
Issue number	10
DOIs	https://doi.org/10.3390/s23104725
State	Published - May 2023

Keywords

laser diode (LD)
light diffusing optical fiber (LDOF)
light-diffusing optical fiber (LDOF)
optical wireless communication (OWC)
visible light communication (VLC)

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10.3390/s23104725

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title = "Bi-Directional Free-Space Visible Light Communication Supporting Multiple Moveable Clients Using Light Diffusing Optical Fiber",

abstract = "In this work, we put forward and demonstrate a bi-direction free-space visible light communication (VLC) system supporting multiple moveable receivers (Rxs) using a light-diffusing optical fiber (LDOF). The downlink (DL) signal is launched from a head-end or central office (CO) far away to the LDOF at the client side via a free-space transmission. When the DL signal is launched to the LDOF, which acts as an optical antenna to re-transmit the DL signal to different moveable Rxs. The uplink (UL) signal is sent via the LDOF towards the CO. In a proof-of-concept demonstration, the LDOF is 100 cm long, and the free space VLC transmission between the CO and the LDOF is 100 cm. 210 Mbit/s DL and 850 Mbit/s UL transmissions meet the pre-forward-error-correction bit error rate (pre-FEC BER = 3.8 × 10−3) threshold.",

keywords = "laser diode (LD), light diffusing optical fiber (LDOF), light-diffusing optical fiber (LDOF), optical wireless communication (OWC), visible light communication (VLC)",

author = "Chang, {Yun Han} and Chow, {Chi Wai} and Lin, {Yuan Zeng} and Jian, {Yin He} and Wang, {Chih Chun} and Yang Liu and Yeh, {Chien Hung}",

note = "Publisher Copyright: {\textcopyright} 2023 by the authors.",

year = "2023",

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doi = "10.3390/s23104725",

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AU - Chang, Yun Han

AU - Chow, Chi Wai

AU - Lin, Yuan Zeng

AU - Jian, Yin He

AU - Wang, Chih Chun

AU - Liu, Yang

AU - Yeh, Chien Hung

PY - 2023/5

Y1 - 2023/5

N2 - In this work, we put forward and demonstrate a bi-direction free-space visible light communication (VLC) system supporting multiple moveable receivers (Rxs) using a light-diffusing optical fiber (LDOF). The downlink (DL) signal is launched from a head-end or central office (CO) far away to the LDOF at the client side via a free-space transmission. When the DL signal is launched to the LDOF, which acts as an optical antenna to re-transmit the DL signal to different moveable Rxs. The uplink (UL) signal is sent via the LDOF towards the CO. In a proof-of-concept demonstration, the LDOF is 100 cm long, and the free space VLC transmission between the CO and the LDOF is 100 cm. 210 Mbit/s DL and 850 Mbit/s UL transmissions meet the pre-forward-error-correction bit error rate (pre-FEC BER = 3.8 × 10−3) threshold.

AB - In this work, we put forward and demonstrate a bi-direction free-space visible light communication (VLC) system supporting multiple moveable receivers (Rxs) using a light-diffusing optical fiber (LDOF). The downlink (DL) signal is launched from a head-end or central office (CO) far away to the LDOF at the client side via a free-space transmission. When the DL signal is launched to the LDOF, which acts as an optical antenna to re-transmit the DL signal to different moveable Rxs. The uplink (UL) signal is sent via the LDOF towards the CO. In a proof-of-concept demonstration, the LDOF is 100 cm long, and the free space VLC transmission between the CO and the LDOF is 100 cm. 210 Mbit/s DL and 850 Mbit/s UL transmissions meet the pre-forward-error-correction bit error rate (pre-FEC BER = 3.8 × 10−3) threshold.

KW - laser diode (LD)

KW - light diffusing optical fiber (LDOF)

KW - light-diffusing optical fiber (LDOF)

KW - optical wireless communication (OWC)

KW - visible light communication (VLC)

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SN - 1424-8220

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JO - Sensors

JF - Sensors

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ER -

Bi-Directional Free-Space Visible Light Communication Supporting Multiple Moveable Clients Using Light Diffusing Optical Fiber

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Keywords

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