Results 11 to 20 of about 9,227 (221)
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
doaj +1 more source
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
doaj +1 more source
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
Two novel nonlinear companding schemes with iterative receiver to reduce PAPR in multi-carrier modulation systems [PDF]
, 2006 Companding transform is an efficient and simple method to reduce the Peak-to-Average Power Ratio (PAPR) for Multi-Carrier Modulation (MCM) systems.
Guo, P, Jiang, T, Qu, D, Song, Y, Yao, W
core +1 more source
Peak to Average Power Ratio Reduction in OFDM Using Pulse Shaping Technique [PDF]
, 2016 Orthogonal Frequency Division Multiplexing (OFDM) is a special type of multicarrier modulation in which a signal is split into several narrowband channels at different frequencies.
Das, Diptadeep
core +4 more sources
ICT Express, 2019 Due to large peak-to-average power ratio (PAPR) at the time domain OFDM signal, various peak signal reduction methods for OFDM systems have been proposed.
Satoshi Taroda +4 more
doaj +1 more source
PAPR Constrained Power Allocation for Iterative Frequency Domain Multiuser SIMO Detector [PDF]
, 2014 Peak to average power ratio (PAPR) constrained power allocation in single carrier multiuser (MU) single-input multiple-output (SIMO) systems with iterative frequency domain (FD) soft cancelation (SC) minimum mean squared error (MMSE) equalization is ...
Karjalainen, Juha +3 more
core +2 more sources