Results 21 to 30 of about 5,719,399 (328)
Overcoming the Challenges of BeiDou Receiver Implementation
Sensors, 2014 Global Navigation Satellite System (GNSS)-based positioning is experiencing rapid changes. The existing GPS and the GLONASS systems are being modernized to better serve the current challenging applications under harsh signal conditions.
Mohammad Zahidul H. Bhuiyan +4 more
doaj +1 more source
Performance Evaluation of Adaptive Tracking Techniques with Direct-State Kalman Filter
Sensors, 2022 This paper evaluates the performance of robust adaptive tracking techniques with the direct-state Kalman filter (DSKF) used in modern digital global navigation satellite system (GNSS) receivers.
Iñigo Cortés +4 more
doaj +1 more source
IEEE Access, 2020 Train positioning is the core function in the application of Global Navigation Satellite Systems (GNSS) in Railway Transportation. However, the use of the differential GPS (DGPS) along the Qinghai-Tibet Railway is expensive and difficult to maintain ...
Rui Tian, Xurong Dong
doaj +1 more source
Helmert Variance Component Estimation for Multi-GNSS Relative Positioning [PDF]
, 2020 The Multi-constellation Global Navigation Satellite System (Multi-GNSS) has become the standard implementation of high accuracy positioning and navigation applications.
Fang, Zhenlong +5 more
core +2 more sources
Characterization of a Multi-User Indoor Positioning System Based on Low Cost Depth Vision (Kinect) for Monitoring Human Activity in a Smart Home [PDF]
, 2015 An increasing number of systems use indoor positioning for many scenarios such as asset tracking, health care, games, manufacturing, logistics, shopping, and security. Many technologies are available and the use of depth cameras is becoming more and more
Abouchi, Nacer +5 more
core +4 more sources
Survey on WiFi-based indoor positioning techniques
IET Communications, 2020 With the rapid development of wireless communication technology, various indoor location-based services (ILBSs) have gradually penetrated into daily life. Although many other methods have been proposed to be applied to ILBS in the past decade, WiFi-based
Fen Liu +6 more
semanticscholar +1 more source
Improving performance of pedestrian positioning by using vehicular communication signals [PDF]
, 2018 Pedestrian-to-vehicle communications, where pedestrian devices transmit their position information to nearby vehicles to indicate their presence, help to reduce pedestrian accidents. Satellite-based systems are widely used for pedestrian positioning, but
Sadao Obana, Suhua Tang
core +2 more sources
A Survey of Machine Learning for Indoor Positioning
IEEE Access, 2020 Widespread proliferation of wireless coverage has enabled culmination of number of advanced location-based services (LBS). Continuous tracking of accurate physical location is the foundation of these services, which is a challenging task especially ...
Ahasanun Nessa +3 more
semanticscholar +1 more source
Coll Positioning systems: a two-dimensional approach [PDF]
, 2005 The basic elements of Coll positioning systems (n clocks broadcasting electromagnetic signals in a n-dimensional space-time) are presented in the two-dimensional case.
Ferrando, Joan Josep
core +3 more sources
A Survey on Fusion-Based Indoor Positioning
IEEE Communications Surveys and Tutorials, 2020 Demands for indoor positioning based services (IPS) in commercial and military fields have spurred many positioning systems and techniques. Complex electromagnetic environments (CEEs) may, however, degenerate the accuracy and robustness of some existing ...
Xiansheng Guo +5 more
semanticscholar +1 more source