Terry Moore
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View article: Avionics-based GNSS integrity augmentation synergies with SBAS and GBAS for safety-critical aviation applications
Avionics-based GNSS integrity augmentation synergies with SBAS and GBAS for safety-critical aviation applications Open
This paper explores the synergies between a novel Global Navigation Satellite System (GNSS) Avionics-Based Integrity Augmentation (ABIA) system and current Space and Ground Based Augmentation Systems (SBAS and GBAS). The ABIA Integrity Fla…
View article: Comparing different approaches of agent-based occupancy modelling for predicting realistic electricity consumption in office buildings
Comparing different approaches of agent-based occupancy modelling for predicting realistic electricity consumption in office buildings Open
Having a good grasp on modelling the dynamics of occupants for estimating electricity consumption in office buildings is a vital asset for realistic predictions. Nowadays, agent-based models are widely used for this purpose. Previous appro…
View article: Is Universal Broadband Service Impossible?
Is Universal Broadband Service Impossible? Open
Broadband Internet service is widely expected to be the fundamental universal service for the 21st century. But more than a decade of national and international struggles to close the digital divide between broadband haves and have nots su…
View article: Determination of Air Urban Heat Island Parameters with High-Precision GPS Data
Determination of Air Urban Heat Island Parameters with High-Precision GPS Data Open
The urban heat island (UHI) effect can contribute to extreme heat exposure. This can be detrimental to human health. In this paper, we propose a method to estimate air temperature to evaluate the spatial distribution and to monitor the int…
View article: A Robust Detection and Optimization Approach for Delayed Measurements in UWB Particle-Filter-Based Indoor Positioning
A Robust Detection and Optimization Approach for Delayed Measurements in UWB Particle-Filter-Based Indoor Positioning Open
Ultrawideband (UWB) technology has received considerable attention in indoor positioning because of its high ranging accuracy. However, UWB range measurements can be contaminated by the delayed signals resulting from obstruction and reflec…
View article: Error characteristics of a model-based integration approach for fixed-wing unmanned aerial vehicles
Error characteristics of a model-based integration approach for fixed-wing unmanned aerial vehicles Open
The paper presents the error characteristics of a vehicle dynamic model (VDM)-based integration architecture for fixed-wing unmanned aerial vehicles. Global navigation satellite system (GNSS) and inertial measurement unit measurements are …
View article: NAV volume 74 issue 6 Cover and Back matter
NAV volume 74 issue 6 Cover and Back matter Open
Aims and ObjectsThe objects of the Institute are to unite in one body those who are concerned with or who are interested in navigation and to further its development.Navigation is conceived as applying to locomotion of all kinds and is per…
View article: Novel prior position determination approaches in particle filter for ultra wideband (UWB)‐based indoor positioning
Novel prior position determination approaches in particle filter for ultra wideband (UWB)‐based indoor positioning Open
Filtering based indoor positioning using Ultra Wideband (UWB) requires known velocity to predict prior position in the prediction stage. Velocity can be obtained from an Inertial Measurement Unit (IMU) sensor or the posterior state vector …
View article: Demonstrating the potential of indoor positioning for monitoring building occupancy through ecologically valid trials
Demonstrating the potential of indoor positioning for monitoring building occupancy through ecologically valid trials Open
Assessing building performance related to energy consumption in post-design-occupancy stage requires knowledge of building occupancy pattern. These occupancy data can potentially be collected from trials and used to improve the prediction …
View article: A Genetic Optimization Resampling Based Particle Filtering Algorithm for Indoor Target Tracking
A Genetic Optimization Resampling Based Particle Filtering Algorithm for Indoor Target Tracking Open
In indoor target tracking based on wireless sensor networks, the particle filtering algorithm has been widely used because of its outstanding performance in coping with highly non-linear problems. Resampling is generally required to addres…
View article: A Model-Based Tightly Coupled Architecture for Low-Cost Unmanned Aerial Vehicles for Real-Time Applications
A Model-Based Tightly Coupled Architecture for Low-Cost Unmanned Aerial Vehicles for Real-Time Applications Open
This paper investigates the navigation performance of a vehicle dynamic model-based (VDM-based) tightly coupled architecture for a fixed-wing Unmanned Aerial Vehicle (UAV) during a global navigation satellite system (GNSS) outage for real-…
View article: GPS and Galileo Triple-Carrier Ionosphere-Free Combinations for Improved Convergence in Precise Point Positioning
GPS and Galileo Triple-Carrier Ionosphere-Free Combinations for Improved Convergence in Precise Point Positioning Open
In recent years, global navigation satellite system (GNSS) precise point positioning (PPP) has become a standard positioning technique for many applications with typically favourable open sky conditions, e.g. precision agriculture. Unfortu…
View article: A Novel Approach for the Determination of the Height of the Tropopause from Ground-Based GNSS Observations
A Novel Approach for the Determination of the Height of the Tropopause from Ground-Based GNSS Observations Open
In this paper, we present a new method to calculate the height of the second lapse-rate tropopause (LRT2) using GNSS high-precision data. The use of GNSS data for monitoring the atmosphere is possible because as the radio signals propagate…
View article: EVALUATING AN INNOVATIVE USE OF CIVIL MONETARY PENALTY FUNDS: THE MA SUPPORTIVE PLANNING AND OPERATIONS TEAM (SPOT)
EVALUATING AN INNOVATIVE USE OF CIVIL MONETARY PENALTY FUNDS: THE MA SUPPORTIVE PLANNING AND OPERATIONS TEAM (SPOT) Open
The Office of the Inspector General reported in 2014, that one in three NH residents experienced an adverse event within 35 days of admissions causing lasting or temporary harm. Thus, state departments of public health (DPH) were implored …
View article: Understanding GPS/GNSS: Principles and Applications, Third editionEdited by E. D. Kaplan and C. J. Hegarty Artech House, 16 Sussex Street, London, SW1V 4RW, UK. 2017. xxi; 993pp. Illustrated £155 ISBN 978-1-63081-058-0.
Understanding GPS/GNSS: Principles and Applications, Third editionEdited by E. D. Kaplan and C. J. Hegarty Artech House, 16 Sussex Street, London, SW1V 4RW, UK. 2017. xxi; 993pp. Illustrated £155 ISBN 978-1-63081-058-0. Open
Understanding GPS/GNSS: Principles and Applications, Third editionEdited by E. D. Kaplan and C. J. Hegarty Artech House, 16 Sussex Street, London, SW1V 4RW, UK. 2017. xxi; 993pp. Illustrated £155 ISBN 978-1-63081-058-0. - Volume 123 Issue …
View article: Model-Based Autonomous Navigation with Moment of Inertia Estimation for Unmanned Aerial Vehicles
Model-Based Autonomous Navigation with Moment of Inertia Estimation for Unmanned Aerial Vehicles Open
The dominant navigation system for low-cost, mass-market Unmanned Aerial Vehicles (UAVs) is based on an Inertial Navigation System (INS) coupled with a Global Navigation Satellite System (GNSS). However, problems tend to arise during perio…
View article: Questions for Providers of Expert Opinion on Logged GNSS Evidence
Questions for Providers of Expert Opinion on Logged GNSS Evidence Open
This is the third in a series of papers with the twin ultimate aims of providing exhaustive guidance for expert witnesses asked for opinion on GNSS data evidence and the development of a standard for GNSS data logging. This paper examines …
View article: Virtual Spatial Diversity Antenna for GNSS Based Mobile Positioning in the Harsh Environments
Virtual Spatial Diversity Antenna for GNSS Based Mobile Positioning in the Harsh Environments Open
Global Navigation Satellite Systems (GNSS) is the most commonly used positioning technology for many Location Based Services (LBS) including navigation. However, GNSS applications are limited to outdoors as GNSS signals can get blocked and…
View article: GNSS Trajectory Anomaly Detection Using Similarity Comparison Methods for Pedestrian Navigation
GNSS Trajectory Anomaly Detection Using Similarity Comparison Methods for Pedestrian Navigation Open
The urban setting is a challenging environment for GNSS receivers. Multipath and other anomalies typically increase the positioning error of the receiver. Moreover, the error estimate of the position is often unreliable. In this study, we …
View article: Analysis on the Potential Performance of GPS and Galileo Precise Point Positioning using Simulated Real-Time Products
Analysis on the Potential Performance of GPS and Galileo Precise Point Positioning using Simulated Real-Time Products Open
With the evolving Global Navigation Satellite System (GNSS) landscape, the International GNSS Service (IGS) has started the Multi-GNSS Experiment (MGEX) to produce precise products for new generation systems. Various analysis centres are w…
View article: Issue Information
Issue Information Open
No abstract is available for this article.
View article: Analysing the Zenith Tropospheric Delay Estimates in On-line Precise Point Positioning (PPP) Services and PPP Software Packages
Analysing the Zenith Tropospheric Delay Estimates in On-line Precise Point Positioning (PPP) Services and PPP Software Packages Open
As Global Navigation Satellite System (GNSS) signals travel through the troposphere, a tropospheric delay occurs due to a change in the refractive index of the medium. The Precise Point Positioning (PPP) technique can achieve centimeter/mi…