On unlimited sampling and reconstruction

A Bhandari, F Krahmer, R Raskar - IEEE Transactions on Signal …, 2020 - ieeexplore.ieee.org
Shannon's sampling theorem, at the heart of digital signal processing, is well understood
and explored. However, its practical realization still suffers from a fundamental bottleneck …

Unlimited sampling of sparse signals

A Bhandari, F Krahmer, R Raskar - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
In a recent paper [1], we introduced the concept of “Unlimited Sampling”. This unique
approach circumvents the clipping or saturation problem in conventional analog-to-digital …

Generalized approximate message passing for unlimited sampling of sparse signals

O Musa, P Jung, N Goertz - 2018 IEEE Global Conference on …, 2018 - ieeexplore.ieee.org
In this paper we consider the generalized approximate message passing (GAMP) algorithm
for recovering a sparse signal from modulo samples of randomized projections of the …

On-board signal predistortion for digital transparent satellites

N Mazzali, MRB Shankar… - 2015 IEEE 16th …, 2015 - ieeexplore.ieee.org
On-board processing (OBP), a paradigm that allows for manipulation of the signal at the
satellite transponder, is being embraced by a large section of the satellite community …

Clock-jitter-tolerant wideband receivers: An optimized multichannel filter-bank approach

S Hoyos, S Pentakota, Z Yu, ESA Ghany… - … on Circuits and …, 2010 - ieeexplore.ieee.org
Clock jitter is one of the most fundamental obstacles in realizing future generations of
wideband receivers. Stringent jitter specifications in the sampling clocks of high …

Design of high‐speed software defined radar with GPU accelerator

W Li, C Tang, S Vishwakarma… - IET Radar, Sonar & …, 2022 - Wiley Online Library
Software defined radar (SDRadar) systems have become an important area for future radar
development and are based on similar concepts to Software defined radio (SDR). Most of …

Modeling and jitter improvement of SRD-based ultra-wideband pulse generator

A Kheirdoost, G Moradi, E Elkholy… - IEEE Transactions …, 2014 - ieeexplore.ieee.org
Step recovery diode (SRD)-based ultra-wide band (UWB) pulse generators (PGs) suffer from
jitter caused by AM-to-PM conversion, SRD shot noise, and clock jitter. These noise sources …

Power-Aware Analog to Digital Converters

S Mulleti, A Bhandari, YC Eldar - … Signal Analysis: Harmonic Analysis in the …, 2024 - Springer
Analog to digital converters (ADCs) enable the acquisition of analog signals by representing
them in a digital format. Although the architectures and parameters of the ADCs vary with …

Deep Plug-and-Play Algorithm for Unsaturated Imaging

J Bacca, B Monroy, H Arguello - ICASSP 2024-2024 IEEE …, 2024 - ieeexplore.ieee.org
Commercial sensors often suffer from overexposure in bright regions, leading to signal
clipping and information loss because of saturation. Existing solutions involve either …

A Novel MIM-Capacitor-Based 1-GS/s 14-bit Variation-Tolerant Fully-Differential Voltage-to-Time Converter (VTC) Circuit

A El-Bayoumi, H Mostafa, AM Soliman - Journal of Circuits, Systems …, 2017 - World Scientific
Time-based Analog-to-Digital Converter (TADC), plays a major role in designing Software-
Defined Radio (SDR) receivers, at scaled CMOS technologies, as it manifests lower area …