PAPR reduction and non-linearity alleviation using hybrid of precoding and companding in a visible light communication (VLC) system
Sign Up to like & getrecommendations! Published in 2020 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-020-02426-1
Abstract: In this paper, a hybrid technique using a precoder and a µ law compander is proposed to alleviate light emitting diode (LED) nonlinearity as well as peak-to-average power ratio (PAPR) reduction in a VLC system.… read more here.
Keywords: vlc system; system; papr reduction; reduction non ... See more keywords
Efficient PAPR Reduction in DCT-SCFDMA System Based on Absolute Exponential Companding Technique with Pulse Shaping
Sign Up to like & getrecommendations! Published in 2017 at "Wireless Personal Communications"
DOI: 10.1007/s11277-017-4678-1
Abstract: Discrete Cosine Transform based Single carrier frequency division multiple access (DCT-SCFDMA) is a prominent technique for providing high data rates in multimedia services. It also provides high Quality of Service to the users by mitigating… read more here.
Keywords: technique; papr reduction; dct scfdma; pulse shaping ... See more keywords
Low-complexity PAPR reduction scheme selective mapping cascading improved μ Law companding in CO-OFDM system
Sign Up to like & getrecommendations! Published in 2022 at "Wireless Personal Communications"
DOI: 10.1007/s11277-021-08929-8
Abstract: In this paper, a hybrid technique using a low complexity selective mapping (LCSLM) cascading an improved μ law companding scheme (LCSLM- μ ) is proposed to reduce the peak-to-average power ratio (PAPR) and complexity in… read more here.
Keywords: papr reduction; law companding; complexity; improved law ... See more keywords
PAPR reduction in CO-OFDM systems using IPTS and modified clipping and filtering
Sign Up to like & getrecommendations! Published in 2018 at "Optoelectronics Letters"
DOI: 10.1007/s11801-018-7210-2
Abstract: Aiming at the problem of the peak to average power ratio (PAPR) in coherent optical orthogonal frequency division multiplexing (CO-OFDM), a hybrid PAPR reduction technique of the CO-OFDM system by combining iterative partial transmit sequence… read more here.
Keywords: clipping filtering; modified clipping; reduction ofdm; papr reduction ... 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
A New Approach to Iterative Clipping and Filtering PAPR Reduction Scheme for OFDM Systems
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2017.2751620
Abstract: While achieving reduced/good peak-to-average power (PAPR) in orthogonal frequency division multiplexing (OFDM) systems is attractive, this must not be performed at the expense of the transmitted signal with over-reduced signal power, as it leads to… read more here.
Keywords: reduction; papr reduction; reduction scheme; iterative clipping ... See more keywords
A Review of Partial Transmit Sequence for PAPR Reduction in the OFDM Systems
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DOI: 10.1109/access.2019.2894527
Abstract: Orthogonal frequency division multiplexing (OFDM) is a superior technology for the high-speed data rate of wire-line and wireless communication systems. The OFDM has many advantages over other techniques such as its high capacity and immunity… read more here.
Keywords: partial transmit; transmit sequence; papr; papr reduction ... See more keywords
An Enhanced Iterative Clipping and Filtering Method Using Time-Domain Kernel Matrix for PAPR Reduction in OFDM Systems
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2915354
Abstract: Iterative clipping and filtering (ICF) is a straight-forward method for reducing the peak-to-average power ratio (PAPR) of signals in orthogonal frequency-division multiplexing (OFDM) system. Recently, convex optimization has been used to find the optimal filter… read more here.
Keywords: clipping filtering; domain kernel; method; time domain ... See more keywords
Generalized Discrete Fourier Transform for FBMC Peak to Average Power Ratio Reduction
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DOI: 10.1109/access.2019.2921447
Abstract: Filter bank multicarrier (FBMC) is a strong candidate as a waveform based technique in advanced wireless communication systems (e.g. 5G), as an alternative to orthogonal frequency division multiplexing (OFDM). Like all multicarrier modulation techniques, FBMC… read more here.
Keywords: peak average; power; papr reduction; reduction ... See more keywords
Low-Complexity Selective Mapping Methods for Multicarrier Faster-Than-Nyquist Signaling
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DOI: 10.1109/access.2020.2973394
Abstract: Multicarrier faster-than-Nyquist (MFTN) signaling is a high spectral efficiency transmission scheme, which is promising in the future communication. One of the major problems of MFTN signaling is high peak-to-average power ratio (PAPR). Therefore, PAPR reduction… read more here.
Keywords: mftn signaling; mftn; multicarrier faster; papr reduction ... See more keywords
PAPR Reduction in Optical OFDM Using Lexicographical Permutations With Low Complexity
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2021.3138193
Abstract: Efficient utilization of the spectrum, increased resilience to inter-symbol interference (ISI) and simpler channel equalization are becoming important considerations in the design of wireless communication systems including visible light communication (VLC) systems. In this regard,… read more here.
Keywords: papr reduction; reduction; optical ofdm; complexity ... See more keywords