Results 81 to 90 of about 35,253,731 (205)

Linearization of high-efficiency power amplifiers using digital baseband predistortion with iterative injection

open access: yes, 2010
This paper presents the linearization of a high-efficiency compressed power amplifier (PA) by iterative digital predistortion with suppression of memory effects.
Budimir, D.   +7 more
core   +1 more source

Real-Time 262-Mb/s Visible Light Communication With Digital Predistortion Waveform Shaping

open access: yesIEEE Photonics Journal, 2018
A digital predistortion waveform shaping scheme combined with a blue filter is proposed to optimize both the rise and fall times of a light-emitting diode (LED) and the optical receiver current of the signal of the real-time visible light communication ...
Weishu Xu   +5 more
doaj   +1 more source

Open-loop Temperature-compensated Digital Predistortion for Power Amplifiers [PDF]

open access: yes, 2015
Cable communication standards are migrating to multicarrier modulation schemes with wider bandwidths and high-order constellations. However, stringent linearity specifications, aggressive transmit bandwidth requirements and higher-order modulation ...
Murugesu, Rosanah
core   +2 more sources

Hybrid Analog/Digital Continuous Class B/J Mode for Broadband Doherty Power Amplifiers

open access: yesIEEE Access, 2019
In this paper, a new digitally driven two input continuous mode Doherty power amplifier (DPA) architecture is proposed along with an analytical-based generic output combiner network design methodology.
Sujata Ghosh, Karun Rawat
doaj   +1 more source

Digital Pre-Distortion of Carrier Frequency Offset for Reliable Wi-Fi Enabled IoTs

open access: yesFuture Internet, 2017
The Internet of Things (IoTs) will change the requirements for wireless connectivity significantly, mainly with regard to service coverage, data rate, and energy efficiency.
Il-Gu Lee
doaj   +1 more source

An efficient predistorter design for compensating nonlinear memory high power amplifier

open access: yes, 2011
This contribution applies digital predistorter to compensate distortions caused by memory high power amplifiers (HPAs) which exhibit true output saturation characteristics.
Chen, Sheng
core   +1 more source

Digital predistortion linearization methods for RF power amplifiers [PDF]

open access: yes, 2008
Even though high linearity is crucial in modern mobile communications, it is not desirable to use the most linear power amplifier types due to their poor efficiency.
Teikari, Ilari
core   +1 more source

Digital predistortion for 5G small cell : GPU implementation and RF measurements [PDF]

open access: yes, 2019
In this paper, we present a high data rate implementation of a digital predistortion (DPD) algorithm on a modern mobile multicore CPU containing an on-chip GPU.
Valkama, Mikko   +5 more
core   +1 more source

Wavelet Decomposition Prediction for Digital Predistortion of Wideband Power Amplifiers

open access: yesApplied Sciences
Digital predistortion (DPD) is essential for improving the efficiency and linearity of power amplifiers (PAs), particularly in radio frequency communication systems.
Shaocheng Peng, Jing You
doaj   +1 more source

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