Large Intelligent Surfaces with Low-End Receivers: From Scaling to Antenna and Panel Selection

A Sheikhi, JV Alegría, O Edfors - arXiv preprint arXiv:2411.04702, 2024 - arxiv.org
We analyze the performance of large intelligent surface (LIS) with hardware distortion at its
RX-chains. In particular, we consider the memory-less polynomial model for non-ideal …

A complementary current-mirror-based bulk-driven down-conversion mixer for wideband applications

Q Wan, D Xu, H Zhou, J Dong - Circuits, Systems, and Signal Processing, 2018 - Springer
A novel high conversion gain, low power, current-mirror-based bulk-driven mixer
implemented in a 0.18\upmu m μ m CMOS technology is presented in this paper. The …

Hardware design of a high dynamic range radio frequency (RF) harmonic measurement system

RM Narayanan, KA Gallagher, GJ Mazzaro… - Instruments, 2018 - mdpi.com
Radio frequency (RF) circuit elements that are traditionally considered to be linear frequently
exhibit nonlinear properties that affect the intended operation of many other RF systems …

LNA linearization solution for direct conversion receiver using under-sampling technique in reference receiver

HN Le, NA Vu, NP Minh, TH Nguyen, QK Trinh - Physical Communication, 2023 - Elsevier
The paper proposes a method for linearizing low noise amplifiers (LNAs) in multichannel
direct conversion receivers. The proposed direct conversion receiver (DCR) uses a linear …

A LUT-based scheme for LNA linearization in direct RF sampling receivers

NA Vu, HN Le, QK Trinh - Physical Communication, 2022 - Elsevier
Direct RF sampling receiver–a fully digital receiver architecture–undoubtedly becomes a
favored choice for HF/VHF as this approach inherently bypasses the legacy nonlinearities …

Three-Port Reflectionless Down-Converter for Wideband and Multichannel Receiver With Flat Gain, Enhanced EVM, and High Stability

Q Li, X Luo - IEEE Transactions on Microwave Theory and …, 2023 - ieeexplore.ieee.org
This article presents a three-port reflectionless down-converter to achieve flat gain,
enhanced EVM, and high stability for wideband and multichannel receivers. The down …

Adaptive nonlinear equalization for digital array receivers

NL Peccarelli, C Fulton - IEEE Transactions on Microwave …, 2019 - ieeexplore.ieee.org
As low-cost fully digital array technology becomes more commercialized, techniques need to
be developed to be able to deal with many of the inherent problems of these systems. This …

Multi-channel receiver nonlinearity cancellation using channel speculation passing algorithm

H Zhao, JCG Diaz, S Hoyos - IEEE Transactions on Circuits and …, 2021 - ieeexplore.ieee.org
This brief investigates a linearization method for multi-channel receivers based on
speculations over the decision symbols that are used to cancel out the third order harmonic …

High-Relative-Bandwidth Multiband LNA Distortion Elimination With Neural Network

ZX Li, R Lv - IEEE Access, 2024 - ieeexplore.ieee.org
This article presents an innovative approach that harnesses neural networks (NN) to
eliminate non-linear distortion in low-noise amplifier (LNA) within multi-channel direct …

A semi-blind calibration and compensation method for dynamic range recovery of low-power pre-amplifiers in MRI receive chains

C Vassos, F Robb, S Vasanawala… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
To enable wireless MRI receive arrays, per-channel power consumption must be reduced by
a significant factor. To address this, a low-power SiGe alternative to industry standard MRI …