Results 11 to 20 of about 25,708 (247)
PAPR Reduction in MIMO-OFDM via Power Efficient Transmit Waveform Shaping
IEEE Access, 2022 In this paper we revisit the long-standing problem of peak-to-average power ratio minimization in MIMO-OFDM systems, with a new angle of approach on a well-known scheme.
Antti Arvola +3 more
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Journal of Electrical Systems and Information Technology, 2022 Orthogonal frequency division multiplexing (OFDM) continues to be the most preferred signal-multiplexing scheme for high-speed data communication. However, OFDM signals are known to have the problem of high peak-to-average power ratio (PAPR), especially ...
Stephen Kiambi +2 more
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Distributed SC-FDMA sub-carrier assignment for digital mobile satellite
Alexandria Engineering Journal, 2021 Single carrier multiple access division (SC-FDMA) technology is one of the good uplink modulation techniques in a wireless communication system. Promises high transmission speed, low bit error rate and high spectral efficiency with low peak to average ...
Amr M. Musa +5 more
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Sensors, 2022 The signal conditioning treatment to achieve good relation of power with radio-frequency (RF) conversion in conventional transceiver systems require precise baseband models.
José Ricardo Cárdenas-Valdez +4 more
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Performance Analysis of the Two-Piecewise Linear Companding Technique on Filtered-OFDM Systems
IEEE Access, 2021 Filtered orthogonal frequency division multiplexing (F-OFDM) is one of the most prominent waveform candidates when it comes to fifth-generation (5G) wireless communication and beyond.
Mishal Al-Gharabally +2 more
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Reducing peak to average power ratio (PAPR) of OFDM systems using complex BIFORE precoding transform
IOP Conference Series: Materials Science and Engineering, 2021 Abstract Due to its valuable features, orthogonal frequency division multiplexing (OFDM) is utilized extensively with the modern communication systems. In despite, such employment is impacted with some drawbacks that has been received a great interest in the recent studies.
Mohanad A. Saleh +2 more
openaire +1 more source
Photonics, 2021 We compare the performances of three previously proposed methods to reduce the peak-to-average power ratio (PAPR) of the carrier-suppressed optical single-sideband (OSSB-SC) signal. PAPR of OSSB-SC signal becomes high due to the peaky Hilbert-transformed
K. I. Amila Sampath +2 more
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Correlative coding with clipping and filtering technique in OFDM Systems [PDF]
, 2003 The major setbacks of Orthogonal Frequency Multiplexing (OFDM) is its peak-to-average power ratio (PAPR) and intercarrier interference (ICI). The occurrence of these factors restricts its application.
Fisal, Norsheila, Yusof, S. K.
core +1 more source
Performance evaluation of PAPR reduction in FBMC system using nonlinear companding transform
ICT Express, 2019 Filter Bank Multicarrier with Offset Quadrature Amplitude Modulation (FBMC/OQAM) is one of the best waveforms used in 5G communications. The FBMC is a multicarrier modulation system (MCM) which suffers from high peak to average power ratio (PAPR) causing
Imad A. Shaheen +3 more
doaj +1 more source
Analysis of PAPR in optical OFDM systems with grouped LEDs [PDF]
, 2017 The need for multiple transmit chains poses a major challenge in optical orthogonal frequency division multiplexing (OFDM) system utilising grouped light emitting diodes (LEDs) for the purpose of peak-to-average power ratio (PAPR) reduction. Thus, recent
Offiong, Funmilayo B. +2 more
core +2 more sources