Interoperable multipath hemispherical map (MHM) using overlap-frequency signals across constellations. The top panel shows the flowchart for modelling and correcting multipath in interoperable MHM.

Developers and manufacturers of GNSS receivers have always needed to simulate the signals from GNSS satellites to test receivers in their labs and in the field. Now, as the vital role of GNSS for ...

Your browser does not support the audio element. During a recent infrastructure survey, a handheld scanning system captured a multi-acre property in less than 15 ...

GNSS signals caused by reflection and diffraction. The signals: green denotes LOS signals, red and purple denote reflected signals, and blue and yellow denote diffracted signals. A pioneering study ...

Multipath interference disrupts wireless signals, causing issues like TV ghosting and fading. Now, researchers have developed a passive metasurface that overcomes traditional filtering limits. Using a ...

Editor’s Note: This is the second article in a three-part series about software defined radios in GPS/GNSS simulators. Part 1: About GPS and various techniques that are used to advance signal ...