[HTML][HTML] Improved adaptive impedance matching for RF front-end systems of wireless transceivers

M Alibakhshikenari, BS Virdee, P Shukla, CH See… - Scientific Reports, 2020 - nature.com
In this paper an automatic adaptive antenna impedance tuning algorithm is presented that is
based on quantum inspired genetic optimization technique. The proposed automatic …

An energy-efficient and high-data-rate IR-UWB transmitter for intracortical neural sensing interfaces

M Song, Y Huang, HJ Visser… - IEEE journal of solid …, 2022 - ieeexplore.ieee.org
This article presents an implantable impulse-radio ultra-wideband (IR-UWB) wireless
telemetry system for intracortical neural sensing interfaces. A 3-D hybrid impulse modulation …

Adaptive Impedance-Matching Techniques for Controlling L Networks

A Van Bezooijen, MA De Jongh… - … on Circuits and …, 2009 - ieeexplore.ieee.org
The link quality of mobile phones suffers from antenna mismatch due to fluctuating body
effects. Techniques for adaptive control of impedance-matching L networks are presented …

Power amplifier with load impedance sensing incorporated into the output matching network

DT Donahue, PE de Falco… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper presents a radio-frequency power amplifier (RF PA) with load impedance
sensing circuitry incorporated into its output matching network (OMN), but without insertion …

Multiple antenna systems with inherently decoupled radiators

M Pelosi, MB Knudsen… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
In multiple antenna systems mutual coupling needs to be minimized. We propose an
alternative novel decoupling technique, investigating several multiple antenna …

A novel method for synthesizing an automatic matching network and its control unit

FCW Po, E de Foucauld, D Morche… - … on Circuits and …, 2011 - ieeexplore.ieee.org
We present a novel method simplifying matching network synthesis and design based on a
tunable low-pass π matching network topology. This method exploits the Smith chart in a …

A fully integrated transformer-coupled power detector with 5 GHz RF PA for WLAN 802.11 ac in 40 nm CMOS

B Francois, P Reynaert - IEEE Journal of Solid-State Circuits, 2015 - ieeexplore.ieee.org
This paper introduces a fully integrated direct power detector that monitors both RF current
and RF voltage to detect the RF output power of the on-chip RF PA realized in a standard 40 …

A 2.4-GHz CMOS power amplifier with an integrated antenna impedance mismatch correction system

Y Yoon, H Kim, H Kim, KS Lee, CH Lee… - IEEE Journal of Solid …, 2014 - ieeexplore.ieee.org
To prevent the performance degradation of a power amplifier (PA) from an antenna
impedance mismatch, we propose a fully integrated PA with an automatic antenna-mismatch …

Adaptive antenna impedance matching using low-complexity shallow learning model

MM Hasan, M Cheffena - IEEE Access, 2023 - ieeexplore.ieee.org
In this paper, an automatic antenna impedance matching technique is presented for a wide
range of frequency bands where a low-complexity shallow learning model adaptively …

Automatic impedance matching and antenna tuning using quantum genetic algorithms for wireless and mobile communications

Y Tan, Y Sun, D Lauder - IET Microwaves, Antennas & …, 2013 - Wiley Online Library
In this study an adaptive impedance tuning scheme based on the quantum genetic algorithm
(QGA) is proposed. A low‐pass passive LC impedance matching network is used and tuned …