Results 71 to 80 of about 4,686 (214)

Efficient Lookup Table-Based Adaptive Baseband Predistortion Architecture for Memoryless Nonlinearity

open access: yesEURASIP Journal on Advances in Signal Processing, 2010
Digital predistortion is an effective means to compensate for the nonlinear effects of a memoryless system. In case of a cellular transmitter, a digital baseband predistorter can mitigate the undesirable nonlinear effects along the signal chain ...
G. Tong Zhou   +2 more
doaj   +2 more sources

High Linearity Millimeter Wave Power Amplifiers with Novel Linearizer Techniques [PDF]

open access: yes, 2008
Millimeter-wave communications have experienced phenomenal growth in recent years when limited frequency spectrum is occupied by the ever-developing communication services.
Bai, Dafu, Bai, Dafu
core   +2 more sources

Digital Predistortion for MIMO Transmitters Using Multi-Channel Error Feedback Adaptation

open access: yesIEEE Access, 2020
Digital predistortion (DPD) is known as an efficient solution to suppress nonlinear distortion of power amplifiers (PAs) in wireless transmitters to achieve both high linearity and power efficiency.
Ying Liu   +5 more
doaj   +1 more source

Digital Predistortion of Wideband Signals with Reduced Complexity Based on Feedback Wiener System

open access: yesJournal of Telecommunications and Information Technology, 2021
Digital predistortion (DPD) using baseband signals is commonly used for power amplifier linearization. This paper is devoted to this subject and aims to reduce DPD complexity.
Tayeb H. C. Bouazza   +2 more
doaj   +1 more source

Distortion correction of LDMOS power amplifiers using hybrid RF second harmonic injection/digital predistortion linearization [PDF]

open access: yes, 2006
An LDMOS RF power amplifier for RF multichannel wireless systems with improved IMD performance characteristics is presented. The application of two combined linearization methods is being tested with the help of circuit simulation software ADS.
Budimir, D.   +3 more
core   +1 more source

Long baseline bistatic radar imaging of tumbling space objects for enhancing space domain awareness

open access: yesIET Radar, Sonar &Navigation, Volume 18, Issue 4, Page 598-619, April 2024.
This paper describes long baseline bistatic radar measurements using the Millstone Hill Radar (MHR) in the USA, the Tracking and Imaging Radar (TIRA) in Germany, multiple receivers of the e‐MERLIN array in the United Kingdom, and the Westerbork Synthesis Radio Telescope (WSRT) in the Netherlands.
Alexander Serrano   +15 more
wiley   +1 more source

Practically Feasible Closed-Loop Digital Predistortion for VCSEL-MMF-Based Radio-over-Fiber Links [PDF]

open access: yesRadioengineering, 2020
The article demonstrates a novel Digital Predistortion (DPD) architecture for Mobile Front Haul links for the advanced Long-Term Evolution (LTE) and upcoming 5G networks.
M. U. Hadi   +5 more
doaj  

Physics Informed Spiking Neural Networks: Application to Digital Predistortion for Power Amplifier Linearization

open access: yesIEEE Access, 2023
Recently, new emerging techniques of neuromorphic hardware render spiking neuron networks (SNN) promising as an energy-efficient solution for artificial intelligence (AI).
Siqi Wang   +2 more
doaj   +1 more source

A Novel Approach of Optimal Signal Streaming Analysis Implicated Supervised Feedforward Neural Networks

open access: yesIET Signal Processing, Volume 2024, Issue 1, 2024.
The analysis and interpretation of enormous amounts of data generated by 5G networks present several challenges related to noise, precision, and feasibility validation. Therefore, this study aims to evaluate the effectiveness of channel equalisation in the network and enhance it by distributing signals over all subcarriers and symbols.
Farhan Ali, He Yigang, Yongcheng Jing
wiley   +1 more source

On Segmented Predistortion for Linearization of RF Power Amplifiers [PDF]

open access: yesRadioengineering, 2020
This paper presents a general survey of digital predistortion (DPD) techniques with segmentation. A comparison of global DPD with two segmented approaches namely Vector-Switched DPD and Decomposed Vector Rotation DPD is presented with the support of ...
G. Baudoin
doaj  

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