Results 161 to 170 of about 9,227 (221)

Photonic-electronic arbitrary-waveform generation using quadrature multiplexing and active optical-phase stabilization. [PDF]

Nat Commun
Füllner C, Sherifaj A, Henauer T, Fang D, Drayss D, Schmitz L, Harter T, Gutema TZ, Zwick T, Freude W, Randel S, Koos C.   +11 more
europepmc   +1 more source

A 3.2-3.6 GHz GaN Doherty Power Amplifier Module Based on a Compact Low-Loss Combiner. [PDF]

Micromachines (Basel)
Wang X, Wang D, Li W, Lv X, Cui K, Liu H, Kang K.   +6 more
europepmc   +1 more source

Wireless Communications: Signal Processing Perspectives. [PDF]

Entropy (Basel)
Roy S.
europepmc   +1 more source

Sustainable THz SWIPT via RIS-Enabled Sensing and Adaptive Power Focusing: Toward Green 6G IoT. [PDF]

Sensors (Basel)
Enahoro S, Ekpo SC, Uko M, Elias F, Unnikrishnan R, Alabi S, Olasunkanmi NK.   +6 more
europepmc   +1 more source

A Sparse Bayesian Technique to Learn the Frequency-Domain Active Regressors in OFDM Wireless Systems. [PDF]

Sensors (Basel)
Crespo-Cadenas C, Madero-Ayora MJ, Becerra JA, Marqués-Valderrama E, Cruces S.   +4 more
europepmc   +1 more source

On a Closer Look of a Doppler Tolerant Noise Radar Waveform in Surveillance Applications. [PDF]

Sensors (Basel)
Barbosa M, Pralon L, Ramos ALL, Apolinário JA.   +3 more
europepmc   +1 more source

Ultrawideband dynamic microwave frequency-amplitude measurement. [PDF]

Sci Adv
He H, Wang J, Zhao Z, Huang D, Lau APT, Lu C, Tang M.   +6 more
europepmc   +1 more source

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Peak to Average Power Ratio (PAPR) Reduction in OFDM System

2006 International RF and Microwave Conference, 2006
Orthogonal Frequency Division Multiplexing (OFDM) is a special form of multi-carrier modulation which is robust against the multipath effect, Intersymbol Interference (ISI) and high spectral efficiency. However, Peak to Average Power Ratio (PAPR) is a major drawback in the system since this leads to the distortion problem in the linear devices such as ...
N. N. Nik Abd Malik, N. Ngajikin, S. M. Idrus, N. D. Abdul Latif   +3 more
openaire   +1 more source

Optimized Peak to Average Power Ratio (PAPR) Reduction Technique for OFDM

2017 International Conference on Computing, Communication, Control and Automation (ICCUBEA), 2017
Orthogonal Frequency Division Multiplexing (OFDM) is one of the widely used multicarrier technique for high speed data transmission. One of the main drawbacks of OFDM is the high Peak to Average Power Ratio (PAPR). It is the ratio of maximum power of the signal to its average power. Many techniques have been developed to lower the values of PAPR. Among
Rohini Deshpande, D.J. Pete
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Coding Schemes Applied to Peak-to-Average Power Ratio (PAPR) Reduction in OFDM Systems

2008 International Wireless Communications and Mobile Computing Conference, 2008
High PAPR of the transmitted signal is a major drawback in the OFDM systems. In this paper, coding schemes are proposed to reduce high PAPR One is using parity check coding scheme, and the other is using selected mapping (SLM) applied scheme. With parity check coding scheme, the parity information is used to expand the signal space.
Jyh-Horng Wen, Gwo-Ruey Lee, Chih-Chung Kung, Cheng-Ying Yang   +3 more
openaire   +1 more source