Assessment of the DC Bias to Mitigate the Clipping Noise in DCO-OFDM, ACO-OFDM; and Non-linear Distortion of DFB Laser Transmitted through Dispersive Single Mode Fibers in IM/DD Systems
Sign Up to like & getrecommendations! Published in 2017 at "Wireless Personal Communications"
DOI: 10.1007/s11277-017-4170-y
Abstract: An analytical investigation on the impact of the DC bias on the clipping noise and the laser non-linearity in Asymmetrically Clipped Optical Orthogonal Frequency Division Multiplexing (ACO-OFDM) and Direct Current—Biased Optical OFDM (DCO-OFDM) is performed.… read more here.
Keywords: clipping noise; dco ofdm; laser; aco ofdm ... See more keywords
Impact of clipping noise on the sum rate of NOMA with PD-DCO-OFDM and conventional DCO-OFDM
Sign Up to like & getrecommendations! Published in 2020 at "Heliyon"
DOI: 10.1016/j.heliyon.2020.e03363
Abstract: sIn visible light communication (VLC) systems, a non-orthogonal multiple access (NOMA) scheme is deemed promising technology to offer better spectral efficiency than the Orthogonal multiple access (OMA) scheme. The feasibility of power domain NOMA for… read more here.
Keywords: sum rate; dco ofdm; noma dco;
Hybrid DCO-OFDM, ACO-OFDM and PAM-DMT for dimmable LiFi
Sign Up to like & getrecommendations! Published in 2019 at "Optik"
DOI: 10.1016/j.ijleo.2018.11.118
Abstract: Abstract This paper proposes a hybrid orthogonal frequency division multiplexing (OFDM) modulation termed as hybrid DC-biased asymmetrically-clipped pulse-amplitude-modulated OFDM (HDAP-OFDM) for providing power efficient communication and dimming control for light fidelity (LiFi) schemes. The proposed… read more here.
Keywords: aco ofdm; hdap ofdm; pam dmt; ofdm ... See more keywords
Performance analysis of a DCO-CO-OFDM optical transmission system with distributed Raman amplifier using coherent heterodyne receiver
Sign Up to like & getrecommendations! Published in 2020 at "Optik"
DOI: 10.1016/j.ijleo.2020.164481
Abstract: Abstract A novel analytical approach is developed to evaluate the bit error rate performance (BER) of a DC biased optical coherent orthogonal frequency division multiplexing (DCO−CO-OFDM) transmission system with distributed Raman amplifier using single mode… read more here.
Keywords: transmission system; dco ofdm; ofdm optical; performance ... See more keywords
DC bias and power optimization for AV-DCO-OFDM in optical wireless communication
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.125951
Abstract: Abstract In this paper, we investigate the optimization of direct current (DC) bias, information-bearing power and subcarrier power allocation in absolute valued DC biased optical orthogonal frequency division multiplexing (AV-DCO-OFDM) systems. First, we analyze the… read more here.
Keywords: dco ofdm; power; bias power; optimization ... See more keywords
A new PAPR reduction technique in DCO-OFDM for visible light communication systems
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126064
Abstract: Abstract In recent years, direct current-biased optical orthogonal frequency division multiplexing (DCO-OFDM) based visible light communication (VLC) systems have become popular due to numerous advantages. Nevertheless, the occurrence of a high peak-to-average-power-ratio (PAPR) has been… read more here.
Keywords: technique; dco ofdm; visible light; papr reduction ... See more keywords
Performance of Spatial Diversity DCO-OFDM in a Weak Turbulence Underwater Visible Light Communication Channel
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2963752
Abstract: The performance of underwater visible light communication (UVLC) system is severely affected by absorption, scattering and turbulence. In this article, we study the performance of spectral efficient DC-biased optical orthogonal frequency division multiplexing (DCO-OFDM) in… read more here.
Keywords: performance; spatial diversity; dco ofdm; turbulence ... See more keywords
Experimental DCO-OFDM Optical Camera Communication Systems With a Commercial Smartphone Camera
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2019.2948071
Abstract: Modern handheld mobile devices are equipped with a complementary metal-oxide-semiconductor (CMOS) image sensor. These image sensors are capable of perceiving intensity changes in optically modulated signals, driving the rapid development of optical camera communication (OCC).… read more here.
Keywords: smartphone camera; camera communication; optical camera; commercial smartphone ... See more keywords