The satellite timing breakthrough that made modern phone navigation possible

A technology born from a Cold War military project, GPS, has revolutionized modern life. Invented nearly 50 years ago, its ...

This satellite constellation transformed earth science by creatively tuning in to GPS signals

When NASA's Cyclone Global Navigation Satellite System, or CYGNSS, launched into orbit in 2016, none of the University of ...

This Android app taught me celestial navigation; it changed how I see the night sky

The horizon looks limitless now ...
IEEE

Generalizing Trilateration: Approximate Maximum Likelihood Estimator for Initial Orbit Determination in Low Earth Orbit

Abstract: With the increase in the number of active satellites and space debris in orbit, the problem of initial orbit determination becomes increasingly important, demanding high accuracy. In this ...
IEEE

Sub-1 GHz Indoor RSSI-Based Localization: An Experimental Evaluation of Trilateration, Multilateration, and Machine Learning Fingerprinting Methods

Abstract: As wireless radiofrequency-based localization techniques continue to attract interest, a plethora of approaches including received signal strength indicator (RSSI) trilateration and ...