On-the-fly ambiguity resolution involving only carrier phase measurements for stand-alone ground-based positioning systems
Sign Up to like & getrecommendations! Published in 2019 at "GPS Solutions"
DOI: 10.1007/s10291-019-0825-3
Abstract: Despite the wide use of the global navigation satellite system (GNSS), its performance can be severely degraded due to blockage and vulnerability to interference. Stand-alone ground-based positioning systems can provide positioning services in the absence… read more here.
Keywords: ground; ground based; stand alone; positioning systems ... See more keywords
Intracellular positioning systems limit the entropic eviction of secondary replicons toward the nucleoid edges in bacterial cells.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of molecular biology"
DOI: 10.1016/j.jmb.2019.11.027
Abstract: Bacterial genomes, organized intracellularly as nucleoids, are composed of a main chromosome coexisting with different types of secondary replicons. Secondary replicons are major drivers of bacterial adaptation by gene exchange. They are highly diverse in… read more here.
Keywords: intracellular positioning; positioning systems; secondary replicons; systems limit ... See more keywords
Resolution evaluation of 6-degree-of-freedom precision positioning systems: Definitions and apparatus
Sign Up to like & getrecommendations! Published in 2020 at "Measurement"
DOI: 10.1016/j.measurement.2019.107375
Abstract: Resolution is a key criterion in 6 degrees of freedom (DOF) precision positioning systems such as Gough Stewart platforms. Nevertheless, there is no consensus on the definition of resolution and its evaluation. We propose a… read more here.
Keywords: resolution evaluation; resolution; positioning systems; precision positioning ... See more keywords
Combined Noise and Clock CRLB Error Model for the Optimization of Node Location in Time Positioning Systems
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.2973709
Abstract: The emergence of autonomous vehicles with high needs for accuracy in location has hardened the requirements of the positioning systems used for navigation. Local Positioning Systems (LPS) have shown an excellent adaptation to these conditions,… read more here.
Keywords: time; location; model; noise clock ... See more keywords
An Iterative Extended Kalman Filter for Coherent Measurements of Incoherent Network Nodes in Positioning Systems
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.2975290
Abstract: Many positioning and tracking applications use spatially distributed sensor stations, each equipped with coherent measurement channels. The coherent data set of each node is incoherently measured to the data sets of all other nodes, avoiding… read more here.
Keywords: kalman; extended kalman; kalman filter; iterative extended ... See more keywords
Linearization of Recurrent-Neural-Network- Based Models for Predictive Control of Nano-Positioning Systems Using Data-Driven Koopman Operators
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3013935
Abstract: Recent studies have shown that the nonlinear dynamics of nano-positioning systems (e.g., piezo-electric actuators (PEAs)) can be accurately captured by recurrent neural networks (RNNs). One direct application of this technique is PEA system control for… read more here.
Keywords: linearization; control; predictive control; recurrent neural ... See more keywords
Visual-Inertial Fusion Based Positioning Systems
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3032013
Abstract: In this paper, we developed a visible light positioning (VLP) system using a camera and low-cost inertial measurement units (IMUs). Applying computer vision and sensor fusion techniques, our VLP system is able to estimate the… read more here.
Keywords: system; fusion; sensor fusion; vlp system ... See more keywords
Comprehensive Analysis on Least-Squares Lateration for Indoor Positioning Systems
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2020.3020888
Abstract: In pursuit of the accomplishment of certain position estimations of targets in outdoor places, finding the locations of the targets in indoor environments has been a significant topic. Exact position estimations of the objects for… read more here.
Keywords: least squares; comprehensive analysis; analysis least; indoor positioning ... See more keywords
Deep-Reinforcement-Learning-Based Autonomous Establishment of Local Positioning Systems in Unknown Indoor Environments
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3142274
Abstract: Local positioning systems (LPSs) serve as a feasible alternative to provide positioning service in global navigation satellite system (GNSS)-denied environments. When the area of interest is unknown and potentially dangerous, e.g., urban search and rescue… read more here.
Keywords: reinforcement learning; positioning systems; local positioning; autonomous establishment ... See more keywords
A Survey on Indoor Positioning Systems for IoT-Based Applications
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3149048
Abstract: The Internet of Things (IoT), as a pervasive paradigm, is becoming an integral part of the tech industry and academic research in recent years. It forms a ubiquitous heterogeneous network connecting humans and things. The… read more here.
Keywords: survey indoor; positioning systems; based applications; systems iot ... See more keywords
Statistical Evaluation and Synthetic Generation of Ultra-Wideband Distance Measurements for Indoor Positioning Systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2021.3121627
Abstract: Wireless positioning systems are a key enabler for a variety of applications. In indoor environments, Global Navigation Satellite Systems are not available, hence technological alternatives are required. Ultra-Wide Band (UWB) radios provide high-precision distance measurements,… read more here.
Keywords: evaluation; synthetic generation; positioning systems; distance ... See more keywords