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Published in 2020 at "Journal of Electromagnetic Waves and Applications"
DOI: 10.1080/09205071.2020.1844598
Abstract: The development of radar technology for the detection of small drones is getting attention of researchers. In this work, the detection of drones using Ku-band radar system has been discussed. We have utilized the advantage…
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Keywords:
detection;
radar system;
predistortion;
nlfm pulse ... See more keywords
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Published in 2021 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2021.3120648
Abstract: We propose a new method to tackle the predistortion problem for the hybrid beamforming structure of Millimeter-Wave (MM-Wave) Massive MIMO in 5G communication systems in order to widen the linearized angle of beams without any…
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Keywords:
hybrid beamforming;
digital predistortion;
predistortion;
novel post ... See more keywords
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1
Published in 2022 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2021.3132685
Abstract: Predistortion techniques can be categorized into digital predistortion (DPD) and analog predistortion (APD), which are always implemented separately in their own domains. The baseband-domain mean square error (MSE) is the design target of DPD, and…
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Keywords:
digital predistortion;
baseband;
dpd;
improved digital ... See more keywords
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2
Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2020.3024600
Abstract: Predistortion is used to compensate for a waveform or phase of a signal in advance. Although the signal that applies predistortion exhibits a nonideal shape at the baseband, it has an improved phase value after…
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Keywords:
phase;
predistortion;
polynomial regression;
phase error ... See more keywords
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1
Published in 2018 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2018.2845947
Abstract: This letter presents a new method for the digital predistortion (DPD) of power amplifiers (PAs) based on sparse behavioral models. The Gram–Schmidt orthogonalization is synergistically integrated into the orthogonal matching pursuit algorithm to decorrelate the…
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Keywords:
power amplifiers;
predistortion;
matching pursuit;
pursuit algorithm ... See more keywords
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Published in 2020 at "IEEE Microwave Magazine"
DOI: 10.1109/mmm.2020.3023220
Abstract: Digital predistortion (DPD) is the linearization technique most often used to cope with the inherent tradeoff between linearity and efficiency in power amplifiers (PAs). Adaptation is needed to optimize DPD performance. This article reviews strategies…
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Keywords:
linearization;
predistortion;
moore penrose;
penrose inverse ... See more keywords
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Published in 2021 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2021.3098600
Abstract: To reduce the demand for frequently adjusting phase shifts in the fifth-generation (5G) multiple-input multiple-output (MIMO) beamforming transmitters, in this article, a novel digital predistortion (DPD) technique is proposed, which employs multiple predistortion boxes to…
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Keywords:
linearization angle;
predistortion;
beamforming transmitters;
mimo beamforming ... See more keywords
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Published in 2019 at "IEEE Transactions on Very Large Scale Integration (VLSI) Systems"
DOI: 10.1109/tvlsi.2018.2867079
Abstract: A novel 2-D digital predistortion (DPD) algorithm for fully digital Cartesian transmitter is proposed. The nonlinearity of the digital power amplifier in the digital transmitter necessitates DPD for linearization. In order to shorten the setup…
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Keywords:
digital cartesian;
transmitter;
profile inversion;
predistortion ... See more keywords
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Published in 2021 at "Progress in Electromagnetics Research C"
DOI: 10.2528/pierc21021604
Abstract: Analog predistortion is an efficient method for improving the linearity of power amplifiers. This paper presents a simple and tunable analog predistortion linearizer with low insertion loss, capable of reducing the non-linearity effects of microwave…
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Keywords:
predistortion;
power amplifiers;
predistortion linearizer;
linearizer ... See more keywords