Modern systems and devices, including unmanned aerial systems (UASs), autonomous
vehicles, and other unmanned and autonomous systems, commonly rely on the Global …

A comprehensive approach for opportunistic navigation with fifth-generation (5G) cellular
signals that exploits the downlink channel is developed. The structure of possible 5G …

A framework for positioning with low Earth orbit (LEO) satellite signals is proposed. The
framework employs an extend Kalman filter (EKF) to estimate a receiver's position using …

Today's vehicular navigation systems couple global navigation satellite system (GNSS)
receivers with an inertial navigation system (INS). Low Earth orbit (LEO) satellite signals are …

A navigation framework with carrier phase differential measurements from
megaconstellation low Earth orbit (LEO) satellite signals is developed. The measurement …

A framework for opportunistic navigation with multi-constellation low Earth orbit (LEO)
satellite signals is proposed. A receiver architecture suitable for processing both time …

A framework that could achieve submeter-level unmanned aerial vehicle (UAV) horizontal
navigation in multipath-free environments with cellular carrier phase measurements is …

A framework for ground vehicle localization that uses cellular signals of opportunity (SOPs),
a digital map, an inertial measurement unit (IMU), and a Global Navigation Satellite System …

A receiver structure is proposed to jointly estimate the time-of-arrival (TOA) and azimuth and
elevation angles of direction-of-arrival (DOA) from received cellular long-term evolution …

An opportunistic framework to navigate with differential carrier phase measurements from
megaconstellation low Earth orbit (LEO) satellite signals is proposed. A computationally …