179 citations · 811 across the 77 of their papers we have counts for
29 papers · 1 filter
UNO: Unlimited Sampling Meets One-Bit Quantization
Arian Eamaz, Kumar Vijay Mishra, Farhang Yeganegi +1
Recent results in one-bit sampling provide a framework for a relatively low-cost, low-power sampling, at a high rate by employing time-varying sampling threshold sequences. Another…
Cramer-Rao Lower Bound Optimization for Hidden Moving Target Sensing via Multi-IRS-Aided Radar
Zahra Esmaeilbeig, Kumar Vijay Mishra, Arian Eamaz +1
Intelligent reflecting surface (IRS) is a rapidly emerging paradigm to enable non-line-of-sight (NLoS) wireless transmission. In this paper, we focus on IRS-aided radar estimation…
Emerging Prototyping Activities in Joint Radar-Communications
Bhavani Shankar M. R., Kumar Vijay Mishra, Mohammad Alaee-Kerahroodi
The previous chapters have discussed the canvas of joint radar-communications (JRC), highlighting the key approaches of radar-centric, communications-centric and dual-function rada…
Machine Learning for Metasurfaces Design and Their Applications
Kumar Vijay Mishra, Ahmet M. Elbir, Amir I. Zaghloul
Metasurfaces (MTSs) are increasingly emerging as enabling technologies to meet the demands for multi-functional, small form-factor, efficient, reconfigurable, tunable, and low-cost…
Modern GPR Target Recognition Methods
Fabio Giovanneschi, Kumar Vijay Mishra, Maria Antonia Gonzalez-Huici
Traditional GPR target recognition methods include pre-processing the data by removal of noisy signatures, dewowing (high-pass filtering to remove low-frequency noise), filtering,…
Beurling-Selberg Extremization for Dual-Blind Deconvolution Recovery in Joint Radar-Communications
Jonathan Monsalve, Edwin Vargas, Kumar Vijay Mishra +2
Recent interest in integrated sensing and communications has led to the design of novel signal processing techniques to recover information from an overlaid radar-communications si…
Millimeter-Wave Radar Beamforming with Spatial Path Index Modulation Communications
Ahmet M. Elbir, Kumar Vijay Mishra, Abdulkadir Çelik +1
To efficiently utilize the wireless spectrum and save hardware costs, the fifth generation and beyond (B5G) wireless networks envisage integrated sensing and communications (ISAC)…
Twenty-Five Years of Advances in Beamforming: From Convex and Nonconvex Optimization to Learning Techniques
Ahmet M. Elbir, Kumar Vijay Mishra, Sergiy A. Vorobyov +1
Beamforming is a signal processing technique to steer, shape, and focus an electromagnetic wave using an array of sensors toward a desired direction. It has been used in several en…
Joint Waveform and Passive Beamformer Design in Multi-IRS-Aided Radar
Zahra Esmaeilbeig, Arian Eamaz, Kumar Vijay Mishra +1
Intelligent reflecting surface (IRS) technology has recently attracted a significant interest in non-light-of-sight radar remote sensing. Prior works have largely focused on design…
Counter-Adversarial Learning with Inverse Unscented Kalman Filter
Himali Singh, Kumar Vijay Mishra, Arpan Chattopadhyay
In counter-adversarial systems, to infer the strategy of an intelligent adversarial agent, the defender agent needs to cognitively sense the information that the adversary has gath…
SOLBP: Second-Order Loopy Belief Propagation for Inference in Uncertain Bayesian Networks
Conrad D. Hougen, Lance M. Kaplan, Magdalena Ivanovska +3
In second-order uncertain Bayesian networks, the conditional probabilities are only known within distributions, i.e., probabilities over probabilities. The delta-method has been ap…
Inverse Extended Kalman Filter -- Part II: Highly Non-Linear and Uncertain Systems
Himali Singh, Arpan Chattopadhyay, Kumar Vijay Mishra
Counter-adversarial system design problems have lately motivated the development of inverse Bayesian filters. For example, inverse Kalman filter (I-KF) has been recently formulated…
Dual-Blind Deconvolution for Overlaid Radar-Communications Systems
Edwin Vargas, Kumar Vijay Mishra, Roman Jacome +2
The increasingly crowded spectrum has spurred the design of joint radar-communications systems that share hardware resources and efficiently use the radio frequency spectrum. We st…
Terahertz-Band Integrated Sensing and Communications: Challenges and Opportunities
Ahmet M. Elbir, Kumar Vijay Mishra, Symeon Chatzinotas +1
The sixth generation (6G) wireless networks aim to achieve ultra-high data transmission rates, very low latency and enhanced energy-efficiency. To this end, terahertz (THz) band is…
Group-Theoretic Wideband Radar Waveform Design
Kumar Vijay Mishra, Samuel Pinilla, Ali Pezeshki +1
We investigate the theory of affine groups in the context of designing radar waveforms that obey the desired wideband ambiguity function (WAF). The WAF is obtained by correlating t…
Federated Multi-Task Learning for THz Wideband Channel and DoA Estimation
Ahmet M. Elbir, Wei Shi, Kumar Vijay Mishra +1
This paper addresses two major challenges in terahertz (THz) channel estimation: the beam-split phenomenon, i.e., beam misalignment because of frequency-independent analog beamform…
Multi-IRS-Aided Doppler-Tolerant Wideband DFRC System
Tong Wei, Linlong Wu, Kumar Vijay Mishra +1
Intelligent reflecting surface (IRS) is recognized as an enabler of future dual-function radar-communications (DFRC) by improving spectral efficiency, coverage, parameter estimatio…
Implicit Channel Learning for Machine Learning Applications in 6G Wireless Networks
Ahmet M. Elbir, Wei Shi, Kumar Vijay Mishra +2
With the deployment of the fifth generation (5G) wireless systems gathering momentum across the world, possible technologies for 6G are under active research discussions. In partic…
Multi-dimensional dual-blind deconvolution approach toward joint radar-communications
Roman Jacome, Kumar Vijay Mishra, Edwin Vargas +2
We consider a joint multiple-antenna radar-communications system in a co-existence scenario. Contrary to conventional applications, wherein at least the radar waveform and communic…
Federated Channel Learning for Intelligent Reflecting Surfaces With Fewer Pilot Signals
Ahmet M. Elbir, Sinem Coleri, Kumar Vijay Mishra
Channel estimation is a critical task in intelligent reflecting surface (IRS)-assisted wireless systems due to the uncertainties imposed by environment dynamics and rapid changes i…
Constant Curvature Curve Tube Codes for Low-Latency Analog Error Correction
Anders M. Buvarp, Robert M. Taylor, Kumar Vijay Mishra +2
Recent research in ultra-reliable and low latency communications (URLLC) for future wireless systems has spurred interest in short block-length codes. In this context, we analyze a…
An Overview of Advances in Signal Processing Techniques for Classical and Quantum Wideband Synthetic Apertures
Peter Vouras, Kumar Vijay Mishra, Alexandra Artusio-Glimpse +4
Rapid developments in synthetic aperture (SA) systems, which generate a larger aperture with greater angular resolution than is inherently possible from the physical dimensions of…
The Rise of Intelligent Reflecting Surfaces in Integrated Sensing and Communications Paradigms
Ahmet M. Elbir, Kumar Vijay Mishra, M. R. Bhavani Shankar +1
The intelligent reflecting surface (IRS) alters the behavior of wireless media and, consequently, has potential to improve the performance and reliability of wireless systems such…
Unfolding-Aided Bootstrapped Phase Retrieval in Optical Imaging
Samuel Pinilla, Kumar Vijay Mishra, Igor Shevkunov +3
Phase retrieval in optical imaging refers to the recovery of a complex signal from phaseless data acquired in the form of its diffraction patterns. These patterns are acquired thro…