Power efficient optical OFDM

By Jean Armstrong, Arthur James Lowery. 2006

827 citations recorded by the source corpus.

Subfields: Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/323a04fa1cd984e2c73d178ae145d56f6d518a95

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In Electrical and Electronic Engineering

Citations in the corpus

Performance of Optical OFDM in Ultralong-Haul WDM Lightwave Systems (2007, methodology): “Unlike our previous optical-OFDM designs [24], [25], the modulator drive and bias is adjusted to minimize the positive and negative clipping of the OFDM waveform (see left inset) by the modulator.”
Transmission Analysis of OFDM-Based Wireless Services Over Turbulent Radio-on-FSO Links Modeled by Gamma–Gamma Distribution (2010, background): “In general, the main drawbacks of the IM/DD MSM systems are the average optical power inefficiency due to the large added dc bias and distortions due to the LD and optical channel nonlinearity [3], [ 13 ]–[15].”
Novel Index Modulation Techniques: A Survey (2019, methodology): “GLOSSARY 4G Fourth Generation 5G Fifth Generation ABEP Average Bit Error Probability ACE Active Constellation Expansion ACO-OFDM Asymmetrically Clipped Optical OFDM A/D Analog-to-Digital Converter APM Amplitude/Phase Modulation AWGN Additive White Gaussian Noise BER Bit Error Rate Manuscript receive”
Indoor optical wireless communication: potential and state-of-the-art (2011, background): “5, two schemes are used to realize OFDM IM/DD optical systems, namely DC biased optical OFDM (DCO-OFDM) [7] and asymmetrically clipped optical OFDM (ACO- OFDM) [8].”
Clipping Noise in OFDM-Based Optical Wireless Communication Systems (2012, methodology): “Another approach, known as ACO-OFDM, is proposed by Armstrong et al. [7] [8] [9].”
Comparison of Asymmetrically Clipped Optical OFDM and DC-Biased Optical OFDM in AWGN (2008, methodology): “where x0(t) is the unclipped OFDM signal [6].”
Visible Light Communication, Networking, and Sensing: A Survey, Potential and Challenges (2015, background): “In ACO-OFDM, only odd subcarriers are modulated [65] which automatically leads to symmetric time domain signal.”
Comparison of ACO-OFDM, DCO-OFDM and ADO-OFDM in IM/DD Systems (2013, background): “Because ACO clipping results in equal total power in odd and even subcarriers [4], and also have equal average noise power.”
Information Rate of OFDM-Based Optical Wireless Communication Systems With Nonlinear Distortion (2013, methodology): “Another approach, known as ACO-OFDM, is proposed by Armstrong et al. [8].”
VLC: Beyond point-to-point communication (2014, background): “In ACO-OFDM, only the od d subcarriers in the frequency domain are modulated, which leads to a symmetric t ime domain signal [11].”
Experimental Demonstrations of Electronic Dispersion Compensation for Long-Haul Transmission Using Direct-Detection Optical OFDM (2008, background): “To overcome these disadvantages a number of new forms of OFDM tailored to optical applications have been described [16]–[19].”
OFDM for Optical Communications (2009, background): “As signal dispersion is relatively unimportant in these applications, the dispersion tolerance of OFDM is not a significant advantage, though the power efficiency of ACO-OFDM has potential benefit.”
Complete Modeling of Nonlinear Distortion in OFDM-Based Optical Wireless Communication (2013, background): “In addition , the four schemes, ACO-OFDM, PAM-DMT, U-OFDM, and Flip-OFDM, perform equivalently in a simple AWGN channel [3]–[5], [11].”
Indoor Positioning Systems Based on Visible Light Communication: State of the Art (2017, background): “OFDM) [56], DC-biased Optical OFDM (DCO-OFDM) [57] and Asymmetrically clipped DC-biased Optical OFDM (ADOOFDM) [58].”
What is LiFi? (2016, neutral): “In certain scenarios, it is shown that ADO-OFDM outperforms both DCO-OFDM and ACO-OFDM in terms of power-efficiency.”
LED Based Indoor Visible Light Communications: State of the Art (2015, background): “[179] I. Stefan, H. Elgala, and H. Haas, “Study of dimming and LED nonlinearity for ACO-OFDM based VLC systems,” in Proc.”