Results 61 to 70 of about 164 (124)
IEEE Photonics Journal, 2019 Optical communication systems often include nonlinear components, such as Mach–Zehnder modulators (MZMs). The components’ nonlinearity may have a deleterious effect on the system performance, especially when the memory effect is included ...
Hananel Faig +3 more
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Thresholds Optimization of Decomposed Vector Rotation Model for Digital Predistortion of RF Power Amplifier [PDF]
Radioengineering, 2021 In this paper, we propose an efficient approach for optimizing the decomposed vector rotation (DVR) model for digital predistortion (DPD). The DVR model’s basis functions are constructed piecewise by dividing the input space into segments bounded by ...
C. Kantana, G. Baudoin, O. Venard
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IEEE Access, 2022 This paper proposes a novel predistorter architecture suitable for hybrid baseband/RF implementation. The distortion function is split into a memory polynomial and an AM/AM only look-up table (LUT).
Anfal Alsayed Ali +2 more
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IEEE Access, 2020 In this article, a novel digital predistortion (DPD) model based on complex-valued pipelined Chebyshev functional link recurrent neural network (CPCFLRNN) for joint compensation of wideband transmitter distortions and impairments is proposed.
Mingyu Li +5 more
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The Journal of Engineering, 2019 This paper proposes an improved estimation approach for modelling RF power amplifiers (PAs) using the Saleh behavioural model. The proposed approach is appropriate for solid-state PA technologies.
Haider Al-kanan, Xianzhen Yang, Fu Li
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Bandwidth, Power and Carrier Configuration Resilient Neural Networks Digital Predistorter
IEEE Access, 2023 This paper proposes a neural networks predistorter based on the bidirectional long-short-term memory (BiLSTM) structure. The proposed predistorter was trained while ensuring that it captures the full intrinsic behavior of the device under test including ...
Asma Ali, Oualid Hammi
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Computationally Efficient Blind Source Separation-Based MIMO-PA Linearization
IEEE AccessThis paper presents a Cross-Interference Reduction Digital predistortion (CIR-DPD) for a multiple-input and multiple-output (MIMO) system. The proposed method cancels the detrimental effect of crosstalk due to different MIMO branches and the antenna ...
Shipra, Meenakshi Rawat
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Wavelet Decomposition Prediction for Digital Predistortion of Wideband Power Amplifiers
Applied SciencesDigital predistortion (DPD) is essential for improving the efficiency and linearity of power amplifiers (PAs), particularly in radio frequency communication systems.
Shaocheng Peng, Jing You
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IEEE AccessWe present an X-band transceiver with memory polynomial digital predistortion (MP-DPD) and neural network digital predistortion (NN-DPD) for a dual-function radar and communication (DFRC) system targeting 6G FR3 in $0.25\mu $ m GaN High Electron ...
Tae-Hoon Kim +4 more
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Model-Order Reduction of Multistage Cascaded Models for Digital Predistortion
IEEE Journal of MicrowavesThis paper explores the benefits of utilizing multistage cascaded (CC) behavioral models for digital predistortion (DPD) linearization of wideband high-efficiency power amplifiers (PAs).
Raul Criado +5 more
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