256 citations · 346 across the 11 of their papers we have counts for
11 papers
An Efficient Ratio Detector for Ambient Backscatter Communication
Wenjing Liu, Shanpu Shen, Danny H. K. Tsang +2
Ambient backscatter communication (AmBC) leverages the existing ambient radio frequency (RF) environment to implement communication with battery-free devices. One critical challeng…
Unrolled Optimization with Deep Learning-based Priors for Phaseless Inverse Scattering Problems
Samruddhi Deshmukh, Amartansh Dubey, Ross Murch
Inverse scattering problems, such as those in electromagnetic imaging using phaseless data (PD-ISPs), involve imaging objects using phaseless measurements of wave scattering. Such…
Distorted Wave Extended Phaseless Rytov Iterative Method for Inverse Scattering Problems
Amartansh Dubey, Ross Murch
In this work we present a novel linear iterative solution to an electromagnetic inverse scattering problem with phaseless data for strongly scattering, lossy media. It is based on…
Using Loaded N-port Structures to Achieve the Continuous-Space Electromagnetic Channel Capacity Bound
Zixiang Han, Shanpu Shen, Yujie Zhang +3
A method for achieving the continuous-space electromagnetic channel capacity bound using loaded N-port structures is described. It is relevant for the design of compact multiple-in…
A New Correction to the Rytov Approximation for Strongly Scattering Lossy Media
Amartansh Dubey, Xudong Chen, Ross Murch
We propose a correction to the conventional Rytov approximation (RA) and investigate its performance for predicting wave scattering under strong scattering conditions. An important…
Optimal Grouping Strategy for Reconfigurable Intelligent Surface Assisted Wireless Communications
Neel Kanth Kundu, Zan Li, Junhui Rao +3
The channel estimation overhead of reconfigurable intelligent surface (RIS) assisted communication systems can be prohibitive. Prior works have demonstrated via simulations that gr…
Physics Assisted Deep Learning for Indoor Imaging using Phaseless Wi-Fi Measurements
Samruddhi Deshmukh, Amartansh Dubey, Dingfei Ma +2
A physics assisted deep learning framework to perform accurate indoor imaging using phaseless Wi-Fi measurements is proposed. It is able to image objects that are large (compared t…
Accurate Indoor Radio Frequency Imaging using a New Extended Rytov Approximation for Lossy Media
Amartansh Dubey, Samruddhi Deshmukh, Li Pan +2
Imaging objects with high relative permittivity and large electrical size remains a challenging problem in the field of inverse scattering. In this work we present a phaseless inve…
Modeling and Architecture Design of Reconfigurable Intelligent Surfaces Using Scattering Parameter Network Analysis
Shanpu Shen, Bruno Clerckx, Ross Murch
Reconfigurable intelligent surfaces (RISs) are an emerging technology for future wireless communication. The vast majority of recent research on RIS has focused on system level opt…
Enhancing Ambient Backscatter Communication Utilizing Coherent and Non-Coherent Space-Time Codes
Wenjing Liu, Shanpu Shen, Danny H. K. Tsang +1
Ambient backscatter communication (AmBC) leverages the existing ambient radio frequency (RF) environment to implement communication with battery-free devices. The key challenge in…
Molecular Communications at the Macroscale: A Novel Framework for Modeling Epidemic Spreading and Mitigation
Yifan Chen, Yu Zhou, Ross Murch +1
Using the notion of effective distance proposed by Brockmann and Helbing, complex spatiotemporal processes of epidemic spreading can be reduced to circular wave propagation pattern…