Equivalent Circuit Model of High Power LEDs for VLC Systems

Xicong Li; Zabih Ghassemlooy; Stanislav Zvánovec; Min Zhang; Andy Burton

doi:10.1109/WACOWC.2019.8770209

Equivalent Circuit Model of High Power LEDs for VLC Systems

Xicong Li, Zabih Ghassemlooy, Stanislav Zvánovec, Min Zhang, Andy Burton

Mathematics, Physics and Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

25 Citations (Scopus)

155 Downloads (Pure)

Abstract

The equivalent circuit model for two commercial high power LEDs for illuminance is proposed and extensive measurements have been carried out to verify the accuracy of the model. In addition, the frequency response of two LEDs in the optical domain can be estimated using the transfer function of electrical equivalent circuit. It is shown that, the electrical parasitics in the chip and packaging introduce significant attenuation beyond a resonance frequcency. Care should be taken when designing high-speed driver and/or equalization circuits for VLC systems.

Original language	English
Title of host publication	The 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC2019)
Subtitle of host publication	27-28 April, Shahid Beheshti University, Tehran, Iran
Place of Publication	Piscataway, NJ
Publisher	IEEE
Pages	90-95
Number of pages	6
ISBN (Electronic)	9781728137674
ISBN (Print)	9781728137681
DOIs	https://doi.org/10.1109/WACOWC.2019.8770209
Publication status	Published - Apr 2019
Event	2019 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC) - Tehran, Iran Duration: 27 Apr 2019 → 28 Apr 2019

Conference

Conference	2019 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC)
Period	27/04/19 → 28/04/19

Keywords

Bandwidth
Carrier lifetime
Driver circuit
Equivalent circuit
Impedance
Impedance matching
LED
VLC

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10.1109/WACOWC.2019.8770209

Equi Cir Model-2nd-Sub-XLAccepted author manuscript, 3.25 MB

Cite this

@inproceedings{9dea4a3a64aa48668c330c8bfcb7ccb2,

title = "Equivalent Circuit Model of High Power LEDs for VLC Systems",

abstract = "The equivalent circuit model for two commercial high power LEDs for illuminance is proposed and extensive measurements have been carried out to verify the accuracy of the model. In addition, the frequency response of two LEDs in the optical domain can be estimated using the transfer function of electrical equivalent circuit. It is shown that, the electrical parasitics in the chip and packaging introduce significant attenuation beyond a resonance frequcency. Care should be taken when designing high-speed driver and/or equalization circuits for VLC systems.",

keywords = "Bandwidth, Carrier lifetime, Driver circuit, Equivalent circuit, Impedance, Impedance matching, LED, VLC",

author = "Xicong Li and Zabih Ghassemlooy and Stanislav Zv{\'a}novec and Min Zhang and Andy Burton",

note = "Funding information: This work is supported by the European Unions Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement no 764461 (VISION), the UK EPSRC research grant EP/P006280/1: MARVEL and the Czech Science Foundation project GACR 17-17538S.; 2019 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC) ; Conference date: 27-04-2019 Through 28-04-2019",

year = "2019",

month = apr,

doi = "10.1109/WACOWC.2019.8770209",

language = "English",

isbn = "9781728137681",

pages = "90--95",

booktitle = "The 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC2019)",

publisher = "IEEE",

address = "United States",

}

Li, X, Ghassemlooy, Z, Zvánovec, S, Zhang, M & Burton, A 2019, Equivalent Circuit Model of High Power LEDs for VLC Systems. in The 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC2019): 27-28 April, Shahid Beheshti University, Tehran, Iran., 8770209, IEEE, Piscataway, NJ, pp. 90-95, 2019 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC), 27/04/19. https://doi.org/10.1109/WACOWC.2019.8770209

Equivalent Circuit Model of High Power LEDs for VLC Systems. / Li, Xicong; Ghassemlooy, Zabih; Zvánovec, Stanislav et al.
The 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC2019): 27-28 April, Shahid Beheshti University, Tehran, Iran. Piscataway, NJ: IEEE, 2019. p. 90-95 8770209.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Equivalent Circuit Model of High Power LEDs for VLC Systems

AU - Li, Xicong

AU - Ghassemlooy, Zabih

AU - Zvánovec, Stanislav

AU - Zhang, Min

AU - Burton, Andy

N1 - Funding information: This work is supported by the European Unions Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement no 764461 (VISION), the UK EPSRC research grant EP/P006280/1: MARVEL and the Czech Science Foundation project GACR 17-17538S.

PY - 2019/4

Y1 - 2019/4

N2 - The equivalent circuit model for two commercial high power LEDs for illuminance is proposed and extensive measurements have been carried out to verify the accuracy of the model. In addition, the frequency response of two LEDs in the optical domain can be estimated using the transfer function of electrical equivalent circuit. It is shown that, the electrical parasitics in the chip and packaging introduce significant attenuation beyond a resonance frequcency. Care should be taken when designing high-speed driver and/or equalization circuits for VLC systems.

AB - The equivalent circuit model for two commercial high power LEDs for illuminance is proposed and extensive measurements have been carried out to verify the accuracy of the model. In addition, the frequency response of two LEDs in the optical domain can be estimated using the transfer function of electrical equivalent circuit. It is shown that, the electrical parasitics in the chip and packaging introduce significant attenuation beyond a resonance frequcency. Care should be taken when designing high-speed driver and/or equalization circuits for VLC systems.

KW - Bandwidth

KW - Carrier lifetime

KW - Driver circuit

KW - Equivalent circuit

KW - Impedance

KW - Impedance matching

KW - LED

KW - VLC

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DO - 10.1109/WACOWC.2019.8770209

M3 - Conference contribution

SN - 9781728137681

SP - 90

EP - 95

BT - The 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC2019)

PB - IEEE

CY - Piscataway, NJ

T2 - 2019 2nd West Asian Colloquium on Optical Wireless Communications (WACOWC)

Y2 - 27 April 2019 through 28 April 2019

ER -

Equivalent Circuit Model of High Power LEDs for VLC Systems

Abstract

Conference

Keywords

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