Augmented real-valued time-delay neural network for compensation of distortions and impairments in wireless transmitters
A digital predistorter, modeled by an augmented real-valued time-delay neural network
(ARVTDNN), has been proposed and found suitable to mitigate the nonlinear distortions of …
(ARVTDNN), has been proposed and found suitable to mitigate the nonlinear distortions of …
Wideband rapid interferer detector exploiting compressed sampling with a quadrature analog-to-information converter
RT Yazicigil, T Haque, MR Whalen… - IEEE Journal of Solid …, 2015 - ieeexplore.ieee.org
We introduce a rapid interferer detector that uses compressed sampling (CS) with a
quadrature analog-to-information converter (QAIC). By exploiting bandpass CS, a blind sub …
quadrature analog-to-information converter (QAIC). By exploiting bandpass CS, a blind sub …
A reconfigurable balun-LNA and tunable filter with frequency-optimized harmonic rejection for sub-GHz and 2.4 GHz IoT receivers
D Kim, D Im - IEEE Transactions on Circuits and Systems I …, 2022 - ieeexplore.ieee.org
A CMOS reconfigurable balun-LNA and tunable filter is proposed for sub-GHz and 2.4 GHz
IoT applications. The core of the LNA gain stage is composed of two cascaded inverters for …
IoT applications. The core of the LNA gain stage is composed of two cascaded inverters for …
Lowering the SNR wall for energy detection using cross-correlation
MSO Alink, ABJ Kokkeler… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
Spectrum sensing is a key enabler of cognitive radio but generally suffers from what is called
a signal-to-noise ratio (SNR) wall, ie, a minimum SNR below which it is impossible to …
a signal-to-noise ratio (SNR) wall, ie, a minimum SNR below which it is impossible to …
A 0.25–3.25-GHz wideband CMOS-RF spectrum sensor for narrowband energy detection
V Khatri, G Banerjee - IEEE Transactions on Very Large Scale …, 2016 - ieeexplore.ieee.org
A wideband spectrum sensing system for cognitive radio is designed and implemented in a
130-nm radio frequency mixed-mode CMOS technology. The system employs an IQ …
130-nm radio frequency mixed-mode CMOS technology. The system employs an IQ …
Using crosscorrelation to mitigate analog/RF impairments for integrated spectrum analyzers
MSO Alink, EAM Klumperink… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
An integrated spectrum analyzer is useful for built-in self-test purposes, software-defined
radios, or dynamic spectrum access in cognitive radio. The analog/RF performance is …
radios, or dynamic spectrum access in cognitive radio. The analog/RF performance is …
A sub-mW integrating mixer SAR spectrum sensor for portable cognitive radio applications
K Banović, AC Carusone - … on Circuits and Systems I: Regular …, 2017 - ieeexplore.ieee.org
A low power mixed-signal integrating mixer successive approximation register (SAR)
architecture is proposed for direct spectrum estimation in portable transceivers targeting …
architecture is proposed for direct spectrum estimation in portable transceivers targeting …
A Wideband IM3 Cancellation Technique for CMOS - and T-Attenuators
A wideband IM3 cancellation technique for CMOS attenuators is presented. With proper
transistor width ratios, the dominant distortion currents of transistor switches cancel each …
transistor width ratios, the dominant distortion currents of transistor switches cancel each …
Spectrum sensing with high sensitivity and interferer robustness using cross-correlation energy detection
MSO Alink, ABJ Kokkeler… - IEEE Journal on …, 2013 - ieeexplore.ieee.org
<? Pub Dtl=""?> Dynamic spectrum access relying on spectrum sensing requires reliable
detection of signals in negative signal-to-noise ratio (SNR) conditions to prevent harmful …
detection of signals in negative signal-to-noise ratio (SNR) conditions to prevent harmful …
A 100–800 MHz 8-Path Polyphase Transmitter With Mixer Duty-Cycle Control Achieving 40 dBc for ALL Harmonics
S Subhan, EAM Klumperink, A Ghaffari… - IEEE Journal of Solid …, 2014 - ieeexplore.ieee.org
Radio transceivers capable of dynamic spectrum access require frequency-agile
transmitters with a clean output spectrum. High-Q filters are difficult to implement on chip and …
transmitters with a clean output spectrum. High-Q filters are difficult to implement on chip and …