Abstract Satellite-Based Augmentation System (SBAS) is essential to support aircraft navigation. L1 SBAS operates on the frequency (1575.42 MHz) and currently still of interest since all GNSS satellites receivers do not fully additional frequencies such as L5 (1176.45 MHz). Although Global Positioning (GPS) aided Geo Augmented Navigation (GAGAN) available, performances are degraded due discrepa...

350 words maximum: Ground deformation due to volcanic magma intrusion is recognised as an important precursor of eruptive activity at a volcano. The Global Positioning System (GPS) is ideally suited for this application by being able to measure threedimensional coordinate changes of the monitoring points over time. Due to the highly disturbed ionosphere in equatorial regions, particularly durin...

Increasing GPS precision at low cost has always been a challenge for the manufacturers of the GPS receivers. This paper proposes the use of a Wiener filter for increasing precision in substitution of traditional GPS/INS fusion systems, which require expensive inertial systems. In this paper, we first implement and compare three GPS signal processing schemes: a Kalman filter, a neural network an...

Precise corrections with a three-dimensional voxel model of the ionosphere based on global navigation satellite system (GNSS) data from a wide-area network of ground receivers can help resolve differential carrier-phase ambiguities over very long baselines of hundreds of kilometers in present two-frequency systems [global positioning system (GPS) and global orbiting navigation satellite system ...

As the field of high-precision applications based on carriers continues to expand, the development of low-cost, small, modular receivers and their application in diverse scenarios and situations with complex data quality has increased the requirements of carrier-phase data preprocessing. A new geometry-based cycle slip detection and repair method based on Global Position System (GPS) + BeiDou N...

The main objectives of the research are to characterize the wind-induced resonant and slowly-varying (quasi-static) responses of a tall building under ambient wind excitations based on GPS measurements. The equipment used includes two sets of orthogonally aligned accelerometers, two GPS receivers and an ultrasonic anemometer. The natural frequencies of the wind-induced vibration of the tall bui...

To obtain kinematic accelerations with high accuracy and reliability, multiple Global Positioning System (GPS) receivers with a single antenna can be used for airborne gravimetry. The data collected from each receiver can be processed for kinematic accelerations that may be combined using simple averaging. Here, however, uncorrelated errors from instrument errors in each receiver also will be i...

In this paper, we propose a cooperative energy-efficient localization framework (CELF) for power saving in vehicular long-thin networks (VLTNs) with fleet cyclists using smart phones along a common cycling route. As cyclists upload their position data and download global fleet information, all power-consuming GPS receivers have to be turned on for obtaining their current locations. To minimize ...

-------------------------------------------------------------------ABSTRACT--------------------------------------------------------------The Global Positioning System (GPS) is a reliable, versatile, generally available and comparatively accurate positioning technology, able to operate anywhere across the globe. Nevertheless, the most severe limitation of GPS performance will still remain – the ...