Smart agriculture is gaining a lot of attention recently, owing to technological advancement
and promotion of sustainable habits. Unmanned aerial vehicles (UAVs) play a crucial role in …

By the end of 2012, China had launched 16 BeiDou-2 navigation satellites that include six
GEOs, five IGSOs and five MEOs. This has provided initial navigation and precise pointing …

Inertial navigation based on micro-electromechanical system (MEMS) inertial measurement
units (IMUs) has attracted numerous researchers due to its high reliability and …

Sažetak This paper reviews the current status and planned development of four global
navigation satellite systems–the American GPS, Russian GLONASS, European Galileo and …

Global navigation satellite systems (GNSS) allow estimating total electron content (TEC).
However, it is still a problem to calculate absolute ionosphere parameters from GNSS data …

GNSS positioning in urban scenarios suffers for the scarce visibility of satellites. Integration
with 5G services for positioning could improve this situation. In this paper, the digital surface …

Today, the Intelligent Transportation Systems (ITS) are already in deep integration phase all
over the world. One of the most significant enablers for ITS are vehicle positioning and …

Smartphones with their capability to receive Global Navigation Satellite Systems (GNSS)
signals can be currently considered the most common devices used for positioning tasks …

Global navigation satellite systems (GNSSs) provide several signals on different
frequencies: Two or more components can be processed jointly as a meta-signal. Despite …

Global navigation satellite systems (GNSSs) became an integral part of all aspects of our
lives, whether for positioning, navigation, or timing services. These systems are central to a …