Articles in the Positioning Category

May 2019 | No Comment

Navigation often relies on high accuracy and high-update rate global navigation satellite systems (GNSS) such as GPS, Galileo, Glonass, Beidu, Navstar…

Apr 2019 | No Comment

Mass-market applications, ranging from self-driving cars, unmanned aerial vehicles (UAV) to handheld smartphones, are increasingly demanding high-precision from GNSS integrated with other enabling navigation sensors…

Dec 2017 | No Comment

The capability to monitor the gathering of crowds in restricted geographic areas is a key enabler for the development of safety and security measures…

Aug 2017 | No Comment

Along with the evolution of mobile devices a wide landscape of applications tailored for mobile usage has been developed…

Jun 2017 | No Comment

Contemporary navigation systems heavily rely on the satellite based systems, mostly still on GPS. The systems proved robust and accurate enough for the vast majority of its today uses. However, there are situations where the reliability and the accuracy of such systems do not meet the expected criteria…

Oct 2016 | No Comment

Massive point cloud acquisition is an effective approach for 3D modeling of unknown objects in an indoor environment.

Feb 2016 | No Comment

Introduction contains sections of status about the GNSS satellites, back ground of GNSS–based positioning methods, Threats in positioning and description of faults.

Dec 2015 | No Comment

Indoor positioning is highly desired for many applications, including personnel tracking for safety in normally unmanned locations. There are several methods and technologies available to…

Sep 2015 | No Comment

GNSS positioning in the urban environment remains challenging, because of the occurrence of many satellite signal reflection and diffraction, also called multipath, that, in the best case, combine with the direct signal, but – in the worst case when the direct signal is obscured – make signal tracking drift unboundedly.

Jun 2015 | No Comment

GNSS-based positions can be obtained in two general ways – Absolute (or Autonomous) Positioning and Differential (or Relative) Positioning. Absolute positioning…