With the increasing demand for sustained navigation in GPS-challenged environment, the
concept of multi-sensor integration (GPS augmentation) has been developed and …

Global Positioning System (GPS) has been used as a primary source of navigation in land
and airborne applications. However, challenging environments cause GPS signal blockage …

The Global Positioning System (GPS) is a satellite-based radio navigation system that has
been used for the last two decades as a primary source of navigation information in …

A performance assessment demonstrates the ability of a networked group of users to locate
themselves and each other, navigate, and operate under adverse conditions in which an …

GPS augmentation in the form of multi-sensor systems is an accepted approach to
positioning in GPS-challenged environments. An extension of this is the concept of …

The Swedish Defence Research Agency is currently conducting research aiming at the
creation of a Net work Based Defence (NBD). This research includes areas such as …

PNT stands for Positioning, Navigation, and Timing. Space-based PNT refers to the
capabilities enabled by GNSS, and enhanced by Ground and Space-based Augmentation …

Collaborative navigation is an emerging network technology by which a group of mobile
users, each being a node of an ad hoc wireless network, attempt to improve their navigation …

In collaborative navigation, users determine their positions by fusing their own sensor data
with data shared by other users via a common communication network. This paper proposes …

Recent studies show that basic satellite positioning is reaching its limits in terms of
performance improvements. Further enhancements in positioning performance can be …