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Dissertations / Theses on the topic 'Mobile positioning systems'

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Published: 4 June 2021

Last updated: 1 February 2022

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1

Glass, Robert B. "Mobile Indoor Positioning for Augmented Reality Systems." VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/3643.

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This thesis explores the creation and setup of a prototype that allows users of the device to interact within an indoor real world environment and a virtual environment simultaneously using high-tech common technology. The prototype is comprised of a small mobile device such as a cellular mobile phone, Raspberry Pi computer, a battery powered handheld Pico projector, and software developed for the Android OS. The software can easily be ported to other mobile and non-mobile operating systems. The mobile device must contain accelerometer, magnetometer, and gyroscope embedded sensors as well as 8

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2

Kasebzadeh, Parinaz. "Parameter Estimation for Mobile Positioning Applications." Licentiate thesis, Linköpings universitet, Reglerteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-141877.

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The availability and reliability of mobile positioning algorithms depend on both the quality of measurements and the environmental characteristics. The positioning systems based on global navigation satellite systems (GNSS), for example, have typically a few meters accuracy but are unavailable in signal denied conditions and unreliable in multipath environments. Other radio network based positioning algorithms have the same drawbacks. This thesis considers a couple of cases where these drawbacks can be mitigated by model-based sensor fusion techniques. The received signal strength (RSS) is com

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3

Wang, Wenye. "Location management techniques for next generation wireless systems." Diss., Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/13289.

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4

Miao, H. (Honglei). "Channel estimation and positioning for multiple antenna systems." Doctoral thesis, University of Oulu, 2007. http://urn.fi/urn:isbn:9789514284113.

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Abstract The multiple–input multiple–output (MIMO) technique, applying several transmit and receive antennas in wireless communications, has emerged as one of the most prominent technical breakthroughs of the last decade. Wideband MIMO parameter estimation and its applications to the MIMO orthogonal frequency division multiplexing (MIMO–OFDM) channel estimation and mobile positioning are studied in this thesis. Two practical MIMO channel models, i.e., correlated-receive independent-transmit channel and correlated-transmit-receive channel, and associated space-time parameter estimation algorit

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5

Pantam, Sneha. "BOOK-HUNT! ANDROID MOBILE APPLICATION USING INDOOR POSITIONING TECHNOLOGY." CSUSB ScholarWorks, 2018. https://scholarworks.lib.csusb.edu/etd/744.

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Indoor Positioning System (IPS) focuses on locating objects inside Buildings. Till date, GPS has helped us obtain accurate locations outdoors. These locations have helped us in many ways like navigating to a destination point, tracking people etc. Indoor Positioning System aims at navigating and tracking objects inside buildings. [1] IndoorAtlas is a technology that works on the theory of Indoor Positioning System. Book-Hunt is an Android mobile application which majorly makes use of IndoorAtlas therefore making use of the technique of indoor tracking. This Android mobile application is design

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6

Chan, Ka Chun. "A dual channel location estimation system for mobile computing." HKBU Institutional Repository, 2003. http://repository.hkbu.edu.hk/etd_ra/445.

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7

Borenović, Milos. "Space-partitioning with cascade-connected ANN structures for positioning in mobile communication systems." Thesis, University of Westminster, 2010. https://westminsterresearch.westminster.ac.uk/item/904w7/space-partitioning-with-cascade-connected-ann-structures-for-positioning-in-mobile-communication-systems.

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The world around us is getting more connected with each day passing by – new portable devices employing wireless connections to various networks wherever one might be. Locationaware computing has become an important bit of telecommunication services and industry. For this reason, the research efforts on new and improved localisation algorithms are constantly being performed. Thus far, the satellite positioning systems have achieved highest popularity and penetration regarding the global position estimation. In spite the numerous investigations aimed at enabling these systems to equally procure

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Nellaiappan, Kalaivani. "Gobuddy - Android mobile application." CSUSB ScholarWorks, 2011. https://scholarworks.lib.csusb.edu/etd-project/3323.

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The purpose of this application is to serve the end user of an Android Smart phone, with reliable, instantaneous and location based information on places of interest such as restaurants, gas stations, hotels, movie theaters, and the like by using the phones' built-in GPS. The basic information includes viewing the map and address of the place of interest and getting the directions to a particular place in addition to having some extra features. Contains computer source code.

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9

Shum, Chin Yiu. "Detecting, locating, and tracking mobile user within a wireless local area network." HKBU Institutional Repository, 2013. http://repository.hkbu.edu.hk/etd_ra/1512.

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10

Shetty, Ranjeet S. "A Real-Time Bi-Directional Differential Global Positioning System." Ohio University / OhioLINK, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1175006976.

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11

Sagboze, Konzi Olivier. "Real-time detection of attendance at a venue using mobile devices." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2676.

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Thesis (MTech (Information Technology))--Cape Peninsula University of Technology, 2017.<br>The implosion of the mobile phones, mobile applications and social media in recent years has triggered a great interest for more dedicated user-generated contents. Mobile users being the focal point, these modern virtual platforms depend on and live for collecting, structuring and manipulating the very fine-grained details about users' day-to-day activities. Since every human activity takes place in a geographical context, location information ranks high among the set of data to gather about user's dail

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12

Sakpere, Wilson Evuarherhe. "A near field communication framework for indoor navigation : design and deployment considerations." Thesis, Cape Peninsula University of Technology, 2015. http://hdl.handle.net/20.500.11838/2290.

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Thesis (MTech (Information Technology))--Cape Peninsula University of Technology, 2015.<br>Navigation systems are known to provide time and location information for easy and accurate navigation in a specified environment. While Global Positioning System (GPS) has recorded a considerable success for navigating outdoors, the absence of GPS indoors has made orientation in an indoor environment challenging. Furthermore, existing technologies and methods of indoor positioning and navigation, such as WLAN, Bluetooth and Infrared, have been complex, inaccurate, expensive and challenging to implement;

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13

Guerra, Adrien, and Sebastien Peirone. "Evaluation and Selection of Software Architectures : A Case Study of Positioning Systems." Thesis, Blekinge Tekniska Högskola, Institutionen för programvaruteknik och datavetenskap, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-3634.

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The explosion of the mobile telecommunications market has resulted in the apparition of multiple applications and services. However the particular business pressure has often lead to that these systems have poor quality design and, consequently, implementation. Software system builders have realized the importance of the overall system organization to address quality requirements. Practically, they started to use, idiomatically, a number of commonly recognized solutions to guide their design of system structures. This report analyses and evaluates these solutions and comments on the result obt

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14

Kan, Ka Ho. "Location estimation system based on the GSM network." HKBU Institutional Repository, 2004. http://repository.hkbu.edu.hk/etd_ra/524.

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15

Wang, Yuquan. "Reactive control and coordination of redundant robotic systems." Doctoral thesis, KTH, Datorseende och robotik, CVAP, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-182680.

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Redundant robotic systems, in terms of manipulators with one or twoarms, mobile manipulators, and multi-agent systems, have received an in-creasing amount of attention in recent years. In this thesis we describe severalways to improve robotic system performance by exploiting the redundancy. As the robot workspace becomes increasingly dynamic, it is common towork with imperfect geometric models of the robots or its workspace. Inorder to control the robot in a robust way in the presence of geometric uncer-tainties, we propose to assess the stability of our controller with respect to acertain tas

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16

Hill, Ryan Tebbutt. "Adaptive interfaces for mobile preference-based searching." Thesis, Nelson Mandela Metropolitan University, 2009. http://hdl.handle.net/10948/1248.

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Today's mobile computing devices provide a convenient means to search for points-of-interest (POIs) such as restaurants and accommodation. Mobile Preference-Based Search Tools (PBSTs) allow users to identify POIs such as restaurants or accommodation most suited to their needs and constraints using a mobile device. These devices however, have several design constraints including limited screen space and hardware capabilities. Adaptive User Interfaces (AUIs) have been proposed to address these issues but have not been extensively applied to mobile PBSTs such as mobile tourist guides. In addition

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17

Lind, Andreas. "An experimental investigation of a crossover concept for high accuracy indoor positioning systems." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH. Forskningsmiljö Informationsteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-27368.

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To know your whereabouts is important and sometimes exact position is the determinant of success or not. Since the launch of the USA made Global Positioning System (GPS) in the late 1970s, global tracking has been available both for military and civilian use. Today, satellite based systems like the American GPS, European Galileo and the Russian GLONASS are the standard for basically any navigation or location application. However these systems are limited by the fact that they must have connection with multiple satellites in order to work. This means that satellite dependent systems are very l

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18

Pozzobon, Oscar. "Secure location services : vulnerability analysis and provision of security in location systems /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18315.pdf.

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Hensley, Phillip Hayden. "Development and Analysis of a Mobile Node Tracking Antenna Control System." Thesis, University of North Texas, 2017. https://digital.library.unt.edu/ark:/67531/metadc1011810/.

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A wireless communication system allows two parties to exchange information over long distances. The antenna is the component of a wireless communication system that allows information to be converted into electromagnetic radiation that propagates through the air. A system using an antenna with a highly directional beam pattern allows for high power transmission and reception of data. For a directional antenna to serve its purpose, it must be accurately pointed at the object it is communicating with. To communicate with a mobile node, knowledge of the mobile node's position must be gained so th

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20

Cheng, Quan Jia. "A WLAN location estimation system using center of gravity as an algorithm selector." HKBU Institutional Repository, 2013. http://repository.hkbu.edu.hk/etd_ra/1513.

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21

Dürr, Hans-Bernd. "Distributed Positioning of Autonomous Mobile Sensors with Application to the Coverage Problem : A Game Theoretic Approach to Multi-Agent Systems." Thesis, KTH, Reglerteknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-105128.

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In this thesis, general problems are considered where a group of agents should autonomously position themselves in such a way that a global objective function is maximized, whereas each agent uses only the measurement of its own utility function. Specially constructed extremum seeking schemes for single and multi-agent systems are presented, where the agents have only access to the current value of their individual utility functions and do not know the analytical model of the global or local objectives. By using an approximative system that is calculated using a methodology based on Lie bracke

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22

Swanson, Joshua G. Cowell Charles Mark. "A test of differential GPS correction methods at Fort Huachuca, Arizona." Diss., Columbia, Mo. : University of Missouri--Columbia, 2009. http://hdl.handle.net/10355/6454.

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Title from PDF of title page (University of Missouri--Columbia, viewed on Feb 19, 2010). The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Thesis advisor: Dr. C. Mark Cowell. Includes bibliographical references.

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23

Mocke, Charl Anthony. "Location based services : developing mobile GIS applications." Thesis, Link to the online version, 2005. http://hdl.handle.net/10019/1648.

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Li, Yafei. "Efficient group queries in location-based social networks." HKBU Institutional Repository, 2015. https://repository.hkbu.edu.hk/etd_oa/203.

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Nowadays, with the rapid development of GPS-equipped mobile devices, location-based social networks have been emerging to bridge the gap between the physical world and online social networking services. Various types of data, such as personal locations, check-ins, microblogs and social relations, have been available in location-based social networks. Efficiently managing and analyzing such data to meet users' daily query requirements become a challenging task. Among all the existing works in location-based social networks, group query is one of the most important research topics. In this thesi

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25

Berg, Miguel. "Radio Resource Management in Bunched Personal Communication Systems." Doctoral thesis, KTH, Signals, Sensors and Systems, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3316.

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<p>The traditional way of increasing capacity in a wirelesscommunication system has been cell splitting and fixedchannel-allocation based on prediction tools. However, theplanning complexity increases rapidly with the number of cellsand the method is not suitable for the large temporal andspatial traffic variations expected in the future. A lot ofresearch has therefore been performed regarding adaptivechannel allocation, where a channel can be used anywhere aslong as the signal-to-interference ratio (SIR) is acceptable. Acommon opinion is that these solutions must be decentralizedsince a centr

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26

Larsson, Mattias. "Geographical Visualization Within Augmented Reality : Using visualization of geographical data through augmented reality to locate nearby city services." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-231962.

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Augmented Reality is today one of the most popular upcoming technologies most commonly known for its use within games and advertising. The technology is also used in other less known fields such as task support, navigation and sightseeing but still has additional usages to be discovered. This thesis investigates how Augmented Reality can be used to improve locating city services such as public toilets by visualizing data with the technology instead of more traditional 2D means. To establish a basis on how known Augmented Reality is compared to other visualization methods, a quantitative form w

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Barbeau, Sean J. "A Location-Aware Architecture Supporting Intelligent Real-Time Mobile Applications." Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/3968.

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This dissertation presents LAISYC, a modular location-aware architecture for intelligent real-time mobile applications that is fully-implementable by third party mobile app developers and supports high-precision and high-accuracy positioning systems such as GPS. LAISYC significantly improves device battery life, provides location data authenticity, ensures security of location data, and significantly reduces the amount of data transferred between the phone and server. The design, implementation, and evaluation of LAISYC using real mobile phones include the following modules: the GPS Auto-Sleep

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Jenkins, William George. "Real-time vehicle performance monitoring with data integrity." Master's thesis, Mississippi State : Mississippi State University, 2006. http://sun.library.msstate.edu/ETD-db/ETD-browse/browse.

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Oliveira, Gabriel Diniz de. "Posicionamento relativo em tempo real e pós-processado utilizando microrreceptor GNSS usado em smartphone." Universidade Federal de Viçosa, 2014. http://locus.ufv.br/handle/123456789/3839.

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Made available in DSpace on 2015-03-26T13:28:35Z (GMT). No. of bitstreams: 1 texto completo.pdf: 8031518 bytes, checksum: 187f1c8078747afc55195475e89c6e44 (MD5) Previous issue date: 2014-07-22<br>Over time has increased the need for low cost positioning of the populatio, and for this reason the demand for navigation devices has grown considerably in all levels of users of these devices, the population in general has greater access to smartphones because of its many features. Smartphones using micro GNSS receiver has a main component of positioning, where the pseudorange is its basic observab

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Copeland, Brian W. "Establishing a relative positioning system to achieve mobile localization." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/117300.

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Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2017.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>"June 2017." Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 67-69).<br>There are an increasing number of situations in which the location of some digital device is known, but the methods to communicate with it are unknown. These situations can frustrate users and lead to

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Ghandchi, Bahram, and Taha Saleh. "Indoor Mobile Positioning system (MPS) classification in different wireless technology domain." Thesis, Blekinge Tekniska Högskola, Institutionen för tillämpad signalbehandling, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-17377.

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The main purpose of this thesis work is to find and compare different network characteristics of MPS (Mobile Positioning System) in the different wireless technology domains. Since decades ago MNO’s (Mobile Network Operators) added many new services based on the geographical areas of subscribers and their needs. Here we define wireless networks and go through different types of technologies and do the comparison when they collect different types of data for their location-based services and see if we could have the same accuracy with 2G (second generation) of mobile network as like as 3G (thir

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Boström, Stellan. "Integrating Push Technology with the Ericsson Mobile Positioning Center." Thesis, Blekinge Tekniska Högskola, Institutionen för programvaruteknik och datavetenskap, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-5878.

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Push is an Internet technology, which allow people to subscribe to a content- or service provider that automatically update the subscriber?s computer or Personal Digital Assistant (PDA) with the latest information without having the subscriber to first request for new information. The Ericsson Mobile Positioning Center (MPC) is a gateway that provides geographical positions of mobile stations to various applications. This Master Thesis gives the reader an overview of these technologies and presents an alternative way in integrating a third part Push-solution with the MPC. The integration propo

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Yang, Chuan-Hao. "A person-tracking mobile robot using an ultrasonic positioning system." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2005. http://library.nps.navy.mil/uhtbin/hyperion/05Dec%5FYang.pdf.

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Thesis (M.S. in Electrical and Computer Engineering)--Naval Postgraduate School, December 2005.<br>Thesis Advisor(s): Xiaoping Yun. Includes bibliographical references (p.49-51). Also available online.

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Dhup, Aakriti. "Vehicle tracking using the Global Positioning System and the global system for mobile technology." Thesis, California State University, Long Beach, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1604874.

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<p> The current project presents the development of a system that is used to detect the exact location of a vehicle, through an embedded Global Positioning System (GPS) module. The system will provide the global vehicle coordinates to the vehicle's owner by sending a Short Message Service (SMS) text to the owner's cell phone, through a Global Service for Mobile (GSM) modem. Moreover, the system allows the vehicle's owner to send a command via cell phone that will disable the vehicle's engine in case of theft. </p><p> The hardware implementation of the system includes, in addition to the Glob

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Hess, Åsa, and Niclas Eklund. "Drivkrafter bakom mobila IT-tjänster : En studie ur utvecklares och användares perspektiv." Thesis, Linköping University, Department of Science and Technology, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-4235.

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<p>Fenomenen mobilitet och mobila IT-tjänster är något som är mycket aktuellt idag inom flera sektorer. Mobilitet förknippas med ett oberoende av att vara på en viss plats vid en viss tid och det kan skapa helt nya förutsättningar för kommunikation mellan medarbetare som jobbar i fält eller är på resande fot. Att kunna införa mobila IT-tjänster i sin verksamhet är för företag något som kan öka effektiviteten, spara resurser och minska fel i rapporteringen. Transportnäringen, vården, service och underhåll, försäljning, övervakning är verksamhetsområden där mobila IT-tjänster införts som hjälpme

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Shair, Sultan. "The investigation of mobile robot waypoint navigation utilising the Global Positioning System and aerial imagery." Thesis, Loughborough University, 2008. https://dspace.lboro.ac.uk/2134/34906.

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Problems faced by UK farmers formed the raison d'etre for this research. Agriculture plays an important role in the UK economy. However, due to difficulties securing the necessary workforce, problems associated with hiring migrant labourers, and competition from cheap imported produce, the UK's Gross Value Added (GVA) plummeted from £9.8 to £5.2 billion in the decade leading up to 2005. As a result, the automation of certain farming (and horticultural) jobs is becoming a desirable alternative to man-power, in an aim to re-establish the supply and demand for local and exported produce. The need

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Wu, Yi Fei S. B. Massachusetts Institute of Technology. "Systematic characterization and calibration of a three dimensional ultrasonic positioning system for use in mobile robots." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/54538.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 31-32).<br>This thesis examined the characteristics of the Hexamite Hx11 ultrasonic sensor for the purpose of three dimensional positioning for mobile robots with multi-plane motions. The sensor system was studied and an experiment was conducted to locate a still transponder in the air using three transmitters on the ground. Due to the angular range of the transponder and the transmitters, data were not logged all of th

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Aguilar, David Pedro. "A framework for evaluating the computational aspects of mobile phones." [Tampa, Fla] : University of South Florida, 2008. http://purl.fcla.edu/usf/dc/et/SFE0002390.

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Bamba, Bhuvan. "Scaling location-based services with location privacy constraints: architecture and algorithms." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34693.

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Advances in sensing and positioning technology, fueled by wide deployment of wireless networks, have made many devices location-aware. These emerging technologies have enabled a new class of applications, known as Location-Based Services (LBS), offering both new business opportunities and a wide array of new quality of life enhancing services. One example of such services is spatial alarms, an enabling technology for location-based advertisement, location-based alerts or reminders and a host of other applications. On the other hand, the ability to locate mobile users accurately also opens door

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"Position determination of mobile unit based on inertial navigation system." 2008. http://library.cuhk.edu.hk/record=b5893583.

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Yip, Wai Lee.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2008.<br>Includes bibliographical references (leaves 119-124).<br>Abstracts in English and Chinese.<br>Abstract --- p.i<br>摘要 --- p.ii<br>Acknowledgement --- p.iii<br>Table of Content --- p.iv<br>List of Figure --- p.vi<br>List of table --- p.viii<br>Chapter Chapter 1 --- Introduction --- p.1<br>Chapter 1.1 --- Motivation --- p.1<br>Chapter 1.2 --- Background information --- p.2<br>Chapter 1.2.1 --- Overview of positioning technologies --- p.2<br>Chapter 1.2.2 --- Comparison between different positioning systems ---

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Chen, Yi-Ming, and 陳一銘. "Application of Kalman Filter on Location Tracking of Mobile Positioning Systems." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/67513593715233214447.

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碩士<br>長庚大學<br>電機工程研究所<br>90<br>Location estimation and target tracking are important in network-based wireless location systems and tracking radar systems. The parameters on mobile location measures and location tracking are considered for forming the kinematics model. In this thesis, Kalman filter for position location and velocity estimation are used to process the time sequence of mobile location measures obtained from time-of-arrival (TOA) geometric location techniques. By receiving the target information and updating the data parameter can obtain accurate kinematics model for location mea

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Lo, Yu-Chiang, and 羅宇強. "Study and Analysis on Outdoor Mobile and Indoor UWB Positioning Systems." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/39728915465705625497.

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碩士<br>淡江大學<br>電機工程學系碩士班<br>94<br>The mobile positioning service has become a hot issue over the past few years in wireless communication. The Signal strength (SS), the Angle of Arrival (AOA) and Time of Arrival (TOA) techniques have been proposed for providing location services in wireless mobile position systems. In this paper we present a method for the enhanced accuracy of mobile location. This method is to mix and combine AOA and TOA in wireless mobile position system and to pick out mobile locations to enhance the accuracy of location estimation. Numerical results demonstrate that the

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Fan, Guang, and 范光. "The Research of Indoor Positioning Systems Adaptive to Different Mobile Terminals." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/42501540906644240058.

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碩士<br>銘傳大學<br>資訊傳播工程學系碩士班<br>103<br>With the prices of smartphone dropping down quickly, more and more functions and applications are also provided on those devices. The Location Based Service (LBS), which can provide the information about where we are, are being paid more attention right now. The Global Positioning System (GPS) technology is widely used in this field. But due to the line-of-sight positioning method of GPS, the smartphone positioning cannot bear some obstacles in between. For the complicated indoor environment, some studies have investigated how to use these Wi-Fi devices to b

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Chao, Wei-Kai, and 趙唯凱. "Mobile Positioning and Tracking with NLOS Identification and Reduction in Wireless Cellular Systems." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/98870102487903769160.

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博士<br>國立臺灣科技大學<br>電子工程系<br>96<br>In this dissertation, a mobile positioning and tracking scheme, which is based on NLOS identification and NLOS-reduced distance measurements, is proposed to estimate the location of a mobile station (MS) in wireless cellular systems. The contributions of this dissertation include the followings. First, by assuming specific statistic models (more precisely speaking, GRS or GES distributions) for the NLOS (non-line-of-sight) errors, we are able to distinguish the NLOS measurements from the LOS (line-of-sight) ones. We estimate the relevant parameters of thes

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Ta-TzuTsai and 蔡大慈. "Linear solution algorithm for overdetermined seven-parameter transformation positioning problems by Mobile Mapping Systems." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/4mdr6y.

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Ponte, João Pedro de Castro. "Intentional control of invasive mobile wireless systems." Master's thesis, 2019. http://hdl.handle.net/10071/20201.

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Within recent years, remotely operated or autonomous drones have been encroaching on the realm of consumer electronics and are beginning to crowd the airspace in populated areas. As such, the number of incidents involving drones has seen a sharp increase and concerns are being raised. In this sense, the current work aims to explore a method which enables spoofing of the Global Positioning System (GPS) many of these devices use to navigate, and thus provide a way to shift them off course and away from the intended areas. The proposed hypothesis is that, by altering the parameters by whic

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"Personalized location-sensing for context-aware applications." 2003. http://library.cuhk.edu.hk/record=b5896113.

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Yu Sheung Fan.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2003.<br>Includes bibliographical references (leaves 96-99).<br>Abstracts in English and Chinese.<br>Chapter 1. --- Introduction --- p.1<br>Chapter 1.1 --- Background: Context-Aware Applications --- p.2<br>Chapter 1.1.1 --- Definitions of Context --- p.2<br>Chapter 1.1.2 --- Existing Applications --- p.3<br>Chapter 1.1.3 --- Review --- p.6<br>Chapter 1.2 --- Research Motivation --- p.6<br>Chapter 1.3 --- Research Contributions --- p.8<br>Chapter 1.4 --- Thesis Outline --- p.8<br>Chapter 2. --- Location-sensing Technol

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Chien-HsunChu and 朱建勲. "The Development Of Aiding Algorithms To Improve The Positioning Accuracy Of Land Based And Airborne Mobile Mapping Systems." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/963c89.

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"GNSS-LTE/LTE-A interference mitigation : the adjacent channel rejection ratio approach." Thesis, 2015. http://hdl.handle.net/10210/14525.

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M.Ing.<br>The increase of interest in the development of radio communications, both terrestrial and satellite is reaching far and beyond the most optimistic expectations. There has been an accelerated emergence of newer technologies, all claiming highly coveted radio frequency spectrum resources. With the push for the development of location based services, utilizing satellite com- communications for military purposes and later for civilian use; there has been a parallel development in terrestrial communications technology making it possible to implement cost efficient reliable user systems fo

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Maroco, Pedro Miguel Real. "Specifying, Analyzing, Integrating Mobile Apps and Location Sensors as part of Cyber-Physical Systems in the Classroom Environment." Master's thesis, 2017. http://hdl.handle.net/10362/21767.

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Cyber-Physical Systems (CPS) are characterized as complex systems usually networked, composed of several heterogeneous components that make the connection between events in the physical environment with computation. We can observe that this kind of systems is increasingly used in different areas such as automotive facilities, construction (civil engineering), health care and energy industry, providing a service or activity which depends on the interaction with users and the physical environment in which they are installed. Nowadays, in the educational context, the process of control and

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