The Truth Is Out There: Cognitive sensing and opportunistic navigation with unknown terrestrial and nonterrestrial signals [Special Issue on Signal Processing for the …

ZZM Kassas, M Neinavaie, J Khalife… - IEEE Signal …, 2024 - ieeexplore.ieee.org
There has been significant interest over the past few years in integrated sensing and
communication (ISAC) to enable applications, such as the massive Internet of Things, highly …

Analysis and correction of LEO satellite propagation errors with application to navigation

S Hayek, J Saroufim, ZM Kassas - … Technical Meeting of the Satellite Division …, 2024 - ion.org
The propagation error dynamics of low Earth orbit (LEO) space vehicles (SVs) are analyzed
and modeled, leading to an approach to correct these errors. The approach maps a …

Demonstration of Ground Vehicle Navigation with Non-Cooperative Multi-Constellation LEO Satellites

S Hayek, J Saroufim, S Kozhaya, W Barrett… - Proceedings of the 37th …, 2024 - ion.org
An experimental demonstration of a ground vehicle navigating exclusively with non-
cooperative multi-constellation low Earth orbit (LEO) satellite signals of opportunity is …

A semi-cognitive localization approach with always-on and on-demand 5G downlink signals

F Mooseli, S Kozhaya, ZM Kassas - … Meeting of the Satellite Division of The …, 2024 - ion.org
A semi-cognitive receiver for opportunistic localization using 5G downlink signals is
presented. The receiver starts with “always-on” reference signals (RSs) and cognitively …

Improved Starlink Satellite Orbit Prediction via Machine Learning with Application to Opportunistic LEO PNT

PE Kouba, S Hayek, J Saroufim, ZM Kassas… - Proceedings of the 37th …, 2024 - ion.org
A machine learning (ML) framework for improved Starlink low Earth orbit (LEO) satellites'
orbit prediction is presented. The framework exploits newly published SpaceX ephemerides …

On the Impact of the Number of the Constellation Shells on Standalone LEO-PNT Positioning Metrics

ES Lohan, K Çelikbilek - 2024 36th Conference of Open …, 2024 - ieeexplore.ieee.org
Low Earth Orbit Positioning, Navigation and Timing (LEO-PNT) is an emerging paradigm in
wireless navigation community, aiming at systems that both complement the existing Global …

LEO-based Positioning: Foundations, Signal Design, and Receiver Enhancements for 6G NTN

HK Dureppagari, C Saha, H Krishnamurthy… - arXiv preprint arXiv …, 2024 - arxiv.org
The integration of non-terrestrial networks (NTN) into 5G new radio (NR) has opened up the
possibility of developing a new positioning infrastructure using NR signals from Low-Earth …