Optical pulse width modulated multilevel transmission in CIS-Based VLC

Joon Woo Lee; Se Hoon Yang; Sang Kook Han

doi:10.1109/LPT.2017.2716941

Optical pulse width modulated multilevel transmission in CIS-Based VLC

Joon Woo Lee, Se Hoon Yang, Sang Kook Han

Department of Electrical and Electronic Engineering

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

8 Citations (Scopus)

Abstract

Multilevel transmission of the CMOS image sensor-based visible light communication to improve the data capacity causes some problems, such as increasing the transmitter (Tx) complexity, indicating the nonlinearity at Tx, and creating the requirement for a precise thresholding method in the receiver. We propose an optical pulse width modulated multilevel transmission scheme based on binary-level signaling in the Tx to relax these problems. We experimentally demonstrated nine kbps error-free light-emitting diodes visible light wireless transmission using a CMOS image sensor and binary-level Tx in the proposed schemes.

Original language	English
Article number	7953536
Pages (from-to)	1257-1260
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	29
Issue number	15
DOIs	https://doi.org/10.1109/LPT.2017.2716941
Publication status	Published - 2017 Aug 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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