5 papers
RIS-Aided Spatial Nulling: Algorithms, Analysis, and Nulling Limits
Xinrui Li, R. Michael Buehrer, Steven W. Ellingson
Reconfigurable Intelligent Surfaces (RIS) have recently gained attention as a means to dynamically shape the wireless propagation environment through programmable reflection contro…
Multi-Target Detection for Cognitive MIMO Radar Networks
Nicholas L. K. Goradia, Harpreet S. Dhillon, R. Michael Buehrer
In this work, we develop centralized and decentralized signal fusion techniques for constant false alarm rate (CFAR) multi-target detection with a cognitive radar network in unknow…
A New Statistical Approach to Calibration-Free Localization Using Unlabeled Crowdsourced Data
Haozhou Hu, Harpreet S. Dhillon, R. Michael Buehrer
Fingerprinting-based indoor localization methods typically require labor-intensive site surveys to collect signal measurements at known reference locations and frequent recalibrati…
Two-Stage Weighted Projection for Reliable Low-Complexity Cooperative and Non-Cooperative Localization
Harish K. Dureppagari, R. Michael Buehrer, Harpreet S. Dhillon
In this paper, we propose a two-stage weighted projection method (TS-WPM) for time-difference-of-arrival (TDOA)-based localization, providing provable improvements in positioning a…
Characterizing the Impact of SNR Heterogeneity on Time-of-Arrival based Localization Outage Probability
Sundar Aditya, Harpreet S. Dhillon, Andreas F. Molisch +2
In localization, an outage occurs if the positioning error exceeds a pre-defined threshold, . For time-of-arrival based localization, a key factor affecting the positio…