Multi-constellation blind beacon estimation, Doppler tracking, and opportunistic positioning with OneWeb, Starlink, Iridium NEXT, and Orbcomm LEO satellites

S Kozhaya, H Kanj, ZM Kassas - 2023 IEEE/ION Position …, 2023 - ieeexplore.ieee.org
A novel blind spectral approach is proposed for blind beacon estimation, Doppler tracking,
and opportunistic positioning with unknown low Earth orbit (LEO) satellite signals. The …

[HTML][HTML] The role of intelligent technology in the development of urban air mobility systems: A technical perspective

Y Liu, C Lyu, F Bai, O Parishwad, Y Li - Fundamental Research, 2023 - Elsevier
Abstract Urban Air Mobility (UAM) is an emerging transportation system that aims at
revolutionizing urban mobility through the deployment of small electric vertical takeoff and …

Exploiting on-demand 5G downlink signals for opportunistic navigation

A Abdallah, J Khalife, ZM Kassas - IEEE Signal Processing …, 2023 - ieeexplore.ieee.org
This letter presents the first user equipment (UE)-based 5G navigation framework that
exploits the “on-demand” 5G downlink signals. In this framework, the entire system …

GNSS Software-Defined Radio: History, Current Developments, and Standardization Efforts

T Pany, D Akos, J Arribas, MZH Bhuiyan… - … : Journal of the Institute …, 2024 - navi.ion.org
Taking the work conducted by the global navigation satellite system (GNSS) software-
defined radio (SDR) working group during the last decade as a seed, this contribution …

GNSS software defined radio: history, current developments, and standardization efforts

D Akos, J Arribas, MZH Bhuiyan, P Closas… - Proceedings of the 35th …, 2022 - ion.org
Taking the work conducted by the Global Navigation Satellite System (GNSS) Software
Defined Radio (SDR) working group during the last decade as a seed, this contribution …

Multi-frequency smartphone positioning performance evaluation: insights into A-GNSS PPP-B2b services and beyond

J Wang, C Shi, F Zheng, C Yang, X Liu, S Liu, M Xia… - Satellite …, 2024 - Springer
Abstract In August 2023, Xiaomi unveiled the Redmi K60 Ultra, the first multi-frequency
smartphone integrated with BeiDou-3 Navigation Satellite System Precise Point Positioning …

Signal mode transition detection in starlink leo satellite downlink signals

M Neinavaie, ZM Kassas - 2023 IEEE/ION Position, Location …, 2023 - ieeexplore.ieee.org
A receiver architecture for detection and tracking of Starlink orthogonal frequency division
multiplexing (OFDM)-based signals is proposed. The proposed receiver enables exploiting …

Proof-of-concept of dedicated aerial 5G and GNSS testbed for enhanced hybrid positioning

JA del Peral-Rosado, P Nolle, F Rothmaier… - Proceedings of the 35th …, 2022 - ion.org
This work presents the preliminary simulation and experimental results of a first-of-a-kind
testbed for GNSS, 5G networks and sensor positioning, called Hybrid Overlay Positioning …

Assessment of Differential Doppler Navigation with Starlink LEO Satellite Signals of Opportunity

S Hayek, J Saroufim, M Neinavaie, S Kozhaya… - Proceedings of the 2023 …, 2023 - ion.org
A framework for differential Doppler navigation with Starlink low Earth orbit (LEO) space
vehicle (SV) signals of opportunity is presented, and the framework's performance is …

Preliminary field results of a dedicated 5G positioning network for enhanced hybrid positioning

JA del Peral-Rosado, AY Yildirim, NC Klinger… - Engineering …, 2023 - mdpi.com
Dedicated fifth generation (5G) positioning networks are envisaged as a key technology to
complement Global Navigation Satellite Systems (GNSS) in challenging situations, such as …