Global Positioning System jamming is on the rise, highlighting risks to the U.S. economy from financial systems to civilian ...

What if GPS had existed in 1565? No satellites or microelectronics, sure—but let’s play along. Imagine the bustling streets of Antwerp, where merchants navigated the sprawling city with woodcut maps.

Abstract: GPS has evolved into a vital component of our critical infrastructure. Originally developed over 50 years ago as a military navigation system, it has since been transformed into an ...

Accurate smartphone positioning in dense urban environments remains challenging due to signal blockage, multipath effects, ...