Navigation with Multi-Constellation LEO Satellite Signals of Opportunity: Starlink, OneWeb, Orbcomm, and Iridium. - Zaher M. Kassas; Sharbel E. Kozhaya; Haitham Kanj; Joe Saroufim; Samer Watchi Hayek; Mohammad Neinavaie; Nadim Khairallah; Joe Khalife (PLANS, 2023)

Simultaneous LEO Satellite Tracking and Differential LEO-Aided IMU Navigation. - Joe Saroufim; Samer Watchi Hayek; Zaher M. Kassas (PLANS, 2023)

Evaluation of Starlink LEO Satellite Signals for High-Altitude Platform Station Opportunistic Navigation. - Will Barrett; Jennifer Sanderson; Sharbel E. Kozhaya; Joe Saroufim; Zaher M. Kassas (WiSEE, 2024)

Opportunistic Positioning with Starlink and OneWeb LEO Ku-band Signals. - Sharbel E. Kozhaya; Joe Saroufim; Zaher M. Kassas (WiSEE, 2024)

The Truth Is Out There: Cognitive sensing and opportunistic navigation with unknown terrestrial and nonterrestrial signals [Special Issue on Signal Processing for the Integrated Sensing and Communications Revolution]. - Zaher Zak M. Kassas; Mohammad Neinavaie; Joe Khalife; Shaghayegh Shahcheraghi; Joe Saroufim (IEEE Signal Process. Mag., 2024)

Towards Navigation with Non-Cooperative LEO Satellites: Resolving Ephemeris and Timing Errors. - Zaher M. Kassas; Joe Saroufim; Samer Watchi Hayek; Sharbel E. Kozhaya; Will Barrett (PLANS, 2025)

Light will Guide You: Passive Joint DOA/FOA Sensing, Tracking, and Navigation with Unknown LEO Satellites. - Sharbel E. Kozhaya; Joe Saroufim; Samer Watchi Hayek; Paul El-Kouba; Zaher M. Kassas (PLANS, 2025)

LEO Ephemeris Error Modeling Enabling Long Baseline Correction for Improved PNT. - Joe Saroufim; Zaher M. Kassas (PLANS, 2025)

Ephemeris and Timing Error Disambiguation Enabling Precise LEO PNT. - Joe Saroufim; Zaher M. Kassas (IEEE Trans. Aerosp. Electron. Syst., 2025)