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Dissertations / Theses on the topic 'Mobile Pattern'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Fioravanti, Maria Lydia. "MLearning-PL: a pedagogical pattern language for mobile learning applications." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/55/55134/tde-06072018-102108/.

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The development and use of computational applications to support teaching and learning, together with the evolution of mobile computing, have contributed significantly to the establishment of a new learning modality known as mobile learning. Despite the benefits and facilities offered by educational applications, some problems and issues they present must be addressed. Challenges associated with mobile learning are not limited to developmental aspects or technologies. We should also consider the pedagogical aspects of this kind of application. When dealing with domain-specific software, we mus

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2

Acord, Christian G., and Corey C. Murphy. "Cross-Platform Mobile Application Development A Pattern-Based Approach." Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/6759.

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Mobile devices are fast becoming ubiquitous in todays society. New devices are constantly being released with unique combinations of hardware and software, or platforms. In order to support the ever-increasing number of platforms, developers must embrace some method of cross-platform development in which the design and implementation of applications for different platforms may be streamlined. This thesis compares and contrasts two platforms, iOS and Android smartphones, and discusses how one might apply the Model, View, Controller pattern in order to minimize the inherent differences between t

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Samal, Savyasachi. "Mobility Pattern Aware Routing in Mobile Ad Hoc Networks." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/34984.

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A mobile ad hoc network is a collection of wireless nodes, all of which may be mobile, that dynamically create a wireless network amongst them without using any infrastructure. Ad hoc wireless networks come into being solely by peer-to-peer interactions among their constituent mobile nodes, and it is only such interactions that are used to provide the necessary control and administrative functions supporting such networks. Mobile hosts are no longer just end systems; each node must be able to function as a router as well to relay packets generated by other nodes. As the nodes move in and out

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4

You, Yingjie. "The design of novel pattern reconfigurable antennas for mobile networks." Thesis, University of Sheffield, 2018. http://etheses.whiterose.ac.uk/21913/.

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This research evaluates a beam reconfigurable basestation transceiver for cellular applications from both a systems and antenna design perspective. The novelty in this research is the investigation of an automatic azimuth beamwidth switching antenna, which can effectively respond to homogeneous traffic distribution in a cellular mobile network. The proposed technique which this antenna uses is azimuth beam switching which incorporates PIN diodes to provide a reconfigurable reflecting ground plane for a three sector antenna. Numerical systems analysis has been carried out on a hexagonal homogen

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5

Simões, Inês da Silva Araújo. "Contributions for a new body representation paradigm in pattern design. Generation of basic patterns after the mobile body." Doctoral thesis, Faculdade de Arquitectura de Lisboa, 2012. http://hdl.handle.net/10400.5/5427.

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6

Han, Binh Thi. "Mining mobile object trajectories: frameworks and algorithms." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/52968.

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The proliferation of mobile devices and advances in geo-positioning technologies has fueled the growth of location-based applications, systems and services. Many location-based applications have now gained high popularity and permeated the daily activities of mobile users. This has led to a huge amount of geo-location data generated on a daily basis, which draws significant interests in analyzing and mining ubiquitous location data, especially trajectories of mobile objects moving in road networks (MO trajectories). Mobile trajectories are complex spatio-temporal sequences of location points w

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Janet, Jason Andre. "Pattern Analysis, Tracking and Control for Autonomous Mobile Robots Using Neural Networks." NCSU, 1998. http://www.lib.ncsu.edu/theses/available/etd-19981003-104929.

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<p>Autonomous vehicles require that all on-board processes be efficient in time, complexity and data storage. Infact, an ideal system employs multi-funcitonal models where ever possible. The research documented hereproposes that the Region-Feature Neural Network (RFNN) and the Hyper-Ellipsoid Clustering (HEC)Kohonen neural network (or HECNN) are viable pattern analysis and control engines that contribute to thesolution of a variety of problems. The theoretical development of the RFNN and HECNN, along with severalproof-of-concept applications are presented in detail. The RFNN is a feed-forward,

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8

Sadeghvaziri, Eazaz. "Exploring Potentials in Mobile Phone GPS Data Collection and Analysis." FIU Digital Commons, 2017. http://digitalcommons.fiu.edu/etd/3375.

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In order to support efficient transportation planning decisions, household travel survey data with high levels of accuracy are essential. Due to a number of issues associated with conventional household travel surveys, including high cost, low response rate, trip misreporting, and respondents’ self-reporting bias, government and private agencies are desperately searching for alternative data collection methods. Recent advancements in smart phones and Global Positioning System (GPS) technologies present new opportunities to track travelers’ trips. Considering the high penetration rate of smartp

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9

Hrstic, Dusan Viktor. "Pattern analysis of the user behaviour in a mobile application using unsupervised machine learning." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-261424.

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Continuously increasing amount of logged data increases the possibilities of finding new discoveries about the user interaction with the application for which the data is logged. Traces from the data may reveal some specific user behavioural patterns which can discover how to improve the development of the application by showing the ways in which the application is utilized. In this thesis, unsupervised machine learning techniques are used in order to group the users depending on their utilization of SEB Privat Android mobile application. The user interactions in the applications are first ext

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10

Tassinari, Tomas. "Applicazione mobile per supporto alla didattica." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/6615/.

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Questa tesi descrive le fasi della progettazione e dell'implementazione di una applicazione mobile per il supporto alla didattica del corso di Programmazione del CdL di Ingegneria e Scienze Informatiche del Campus di Cesena. Il progetto ha lo scopo di mettere a disposizione degli studenti e dei docenti una applicazione per dispositivi Android che permetta di usufruire dei servizi attualmente forniti dal portale ufficiale del corso. Le funzionalità principali consistono nell'accesso ai materiali didattici e nella gestione delle consegne di esercizi propedeutici alla prova finale per quant

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11

Abidogun, Olusola Adeniyi. "Data mining, fraud detection and mobile telecommunications: call pattern analysis with unsupervised neural networks." Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&amp.

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Huge amounts of data are being collected as a result of the increased use of mobile telecommunications. Insight into information and knowledge derived from these databases can give operators a competitive edge in terms of customer care and retention,<br /> marketing and fraud detection. One of the strategies for fraud detection checks for signs of questionable changes in user behavior. Although the intentions of the mobile phone users cannot be observed, their intentions are reflected in the call data which define usage patterns. Over a period of time, an individual phone generates a large pat

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12

Cox, Gavin J. "Techniques for pattern control of a dielectric rod antenna suitable for use in mobile communications." Thesis, Loughborough University, 2002. https://dspace.lboro.ac.uk/2134/12693.

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This thesis describes the development of antennas suitable for mobile coinmunication systems based on a dielectric rod antenna fed from circular waveguide. Pattern control of the antenna is implemented using a combination of Frequency Selective Surface (FSS) elements and metallic endcaps placed on the antenna Both linear and circular polarised feeds have been made for these antennas to ensure they are suitable for a wide range of applications. The suitability of the dominant and next, higher order, waveguide mode were investigated and conclusions drawn as to their suitability for this type of

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13

Franci, Silvia. "Segmentazione del pavimento di una scena basata sul riconoscimento del pattern." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/6559/.

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Nel contesto della tesi è stata sviluppata un'applicazione di Realtà Aumentata per tablet Android nell'ambito dell'interior design. Dopo aver acquisito un'istantanea con la fotocamera del dispositivo di un ambiente interno, è possibile selezionare attraverso un "tocco" sul display il rivestimento (pavimento o parete) di cui si vuole simulare il cambiamento di colore o texture. Una volta individuata ed evidenziata l'area di interesse, in tempo reale è possibile cambiare interattivamente l'aspetto del rivestimento precedentemente selezionato. La tesi si focalizza sulla ricerca di un metodo che c

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Brunetti, Pietro. "Progettazione e sviluppo di applicazioni Mobile su iOS: analisi degli aspetti fondamentali." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/3554/.

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15

Cao, Meng. "Mobile and stationary computer vision based traffic surveillance techniques for advanced ITS applications." Diss., [Riverside, Calif.] : University of California, Riverside, 2009. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3350077.

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Thesis (Ph. D.)--University of California, Riverside, 2009.<br>Includes abstract. Title from first page of PDF file (viewed March 8, 2010). Includes bibliographical references. Issued in print and online. Available via ProQuest Digital Dissertations.

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Kchir, Selma. "Faciliter le développement des applications de robotique." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2014. http://tel.archives-ouvertes.fr/tel-01071062.

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L'un des challenges des roboticiens consiste à gérer un grand nombre de variabilités. Ces dernières concernent les concepts liés au matériel et aux logiciels du domaine de la robotique. Par conséquent, le développement des applications de robotique est une tâche complexe. Non seulement, elle requiert la maîtrise des détails de bas niveau du matériel et du logiciel mais aussi le changement du matériel utilisé dans une application entraînerait la réécriture du code de celle-ci. L'utilisation de l'ingénierie dirigée par les modèles dans ce contexte est une voie prometteuse pour (1) gérer les prob

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17

Vergara, Alonso Ekhiotz Jon. "Exploiting Energy Awareness in Mobile Communication." Licentiate thesis, Linköpings universitet, Programvara och system, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-98656.

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Although evolving mobile technologies bring millions of users closer to the vision of information anywhere-anytime, device battery depletions hamper the quality of experience to a great extent. The massive explosion of mobile applications with the ensuing data exchange over the cellular infrastructure is not only a blessing to the mobile user, but also has a price in terms of rapid discharge of the device battery. Wireless communication is a large contributor to the energy consumption. Thus, the current call for energy economy in mobile devices poses the challenge of reducing the energy consum

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18

Shekaramiz, Mohammad. "Sparse Signal Recovery Based on Compressive Sensing and Exploration Using Multiple Mobile Sensors." DigitalCommons@USU, 2018. https://digitalcommons.usu.edu/etd/7384.

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The work in this dissertation is focused on two areas within the general discipline of statistical signal processing. First, several new algorithms are developed and exhaustively tested for solving the inverse problem of compressive sensing (CS). CS is a recently developed sub-sampling technique for signal acquisition and reconstruction which is more efficient than the traditional Nyquist sampling method. It provides the possibility of compressed data acquisition approaches to directly acquire just the important information of the signal of interest. Many natural signals are sparse or compress

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19

Džigurski, Saša, and Jesper Karbing. "Dark Design Patterns in Coin Master : An In-Depth Game Analysis." Thesis, Uppsala universitet, Institutionen för speldesign, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-416662.

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In this study we will investigate the evolution of manipulative and experientially devaluative business practices in the mobile game industry from the perspective of game designers. The focus will be placed on the use of Dark Design Patterns defined in previous research by Zagal et al. (2013), significant changes since their cataloguing in said study, and the emergence of new ones. To do this, we isolate the different Game Modes of Coin Master and use Formal Analysis to break down various systems and interactions. In order to identify Dark Patterns, we use Zagal et al. (2013) study, supplement

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20

Ramilli, Elisabetta. "Sviluppo di applicazioni mobile platform-independent: Un caso di studio basato sul framework sencha." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/8419/.

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Negli ultimi anni si è imposto il concetto di Ubiquitous Computing, ovvero la possibilità di accedere al web e di usare applicazioni per divertimento o lavoro in qualsiasi momento e in qualsiasi luogo. Questo fenomeno sta cambiando notevolmente le abitudini delle persone e ciò è testimoniato anche dal fatto che il mercato mobile è in forte ascesa: da fine 2014 sono 45 milioni gli smartphone e 12 milioni i tablet in circolazione in Italia. Sembra quasi impossibile, dunque, rinunciare al mobile, soprattutto per le aziende: il nuovo modo di comunicare ha reso necessaria l’introduzione del Mobil

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21

Bergman, Elsa, and Anna Eriksson. "Exploring Unsupervised Learning as a Way of Revealing User Patterns in a Mobile Bank Application." Thesis, Uppsala universitet, Avdelningen för systemteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-384551.

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The purpose of this interdisciplinary study was to explore whether it is possible to conduct a data-driven study using pattern recognition in order to gain an understanding of user behavior within a mobile bank application. This knowledge was in turn used to propose ways of tailoring the application to better suit the actual needs of the users. In this thesis, unsupervised learning in the form of clustering was applied to a data set containing information about user interactions with a mobile bank application. By pre-processing the data, finding the best value for the number of clusters to use

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22

Dilan, Askin Rasim. "Unstructured Road Recognition And Following For Mobile Robots Via Image Processing Using Anns." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612047/index.pdf.

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For an autonomous outdoor mobile robot ability to detect roads existing around is a vital capability. Unstructured roads are among the toughest challenges for a mobile robot both in terms of detection and navigation. Even though mobile robots use various sensors to interact with their environment, being a comparatively low-cost and rich source of information, potential of cameras should be fully utilized. This research aims to systematically investigate the potential use of streaming camera images in detecting unstructured roads. The investigation focused on the use of methods employing Arti

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23

Ghaziasgar, Mehrdad. "The use of mobile phones as service-delivery devices in sign language machine translation system." Thesis, University of the Western Cape, 2010. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_7216_1299134611.

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<p>This thesis investigates the use of mobile phones as service-delivery devices in a sign language machine translation system. Four sign language visualization methods were evaluated on mobile phones. Three of the methods were synthetic sign language visualization methods. Three factors were considered: the intelligibility of sign language, as rendered by the method<br>the power consumption<br>and the bandwidth usage associated with each method. The average intelligibility rate was 65%, with some methods achieving intelligibility rates of up to 92%. The average le size was 162 KB and, on aver

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Sidduri, Sridher Rao. "An Architecture for Mobile Local Information Search : Focusing on Wireless LAN and Cellular Integration." Thesis, Blekinge Tekniska Högskola, Avdelningen för för interaktion och systemdesign, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-3035.

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The thesis work intends to provide architecture for mobile local information search service using Wireless LAN and cellular integration. Search technology has been popular and driving business bodies with increasing e-commerce opportunities. The search technology has been recently brought to portable devices such as mobile phones and PDA devices by extending the research scope. Mobile search revenues are expected to surpass Internet search revenues in near future. Mobile local search on the other hand is getting much popular with growing number of mobile subscribers. Mobile phones have been ch

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Deschaud, Jean-Emmanuel. "Traitements de nuages de points denses et modélisation 3D d'environnements par système mobile LiDAR/Caméra." Phd thesis, Paris, ENMP, 2010. https://pastel.hal.science/pastel-00580384.

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Le laboratoire de robotique CAOR de Mines ParisTech a mis au point une technique de numérisation 3D d'environnements extérieurs, utilisant un système mobile appelé LARA3D. Il s'agit d'une voiture équipée de capteurs de localisation (GPS, Centrale Inertielle) et de capteurs de modélisation (lidars et caméras). Ce dispositif permet de construire des nuages de points 3D denses et des images géo-référencées de l'environnement traversé. Dans le cadre de cette thèse, nous avons développé une chaîne de traitement de ces nuages de points et de ces images capable de générer des modèles 3D photo-réalist

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Deschaud, Jean-Emmanuel. "Traitements de nuages de points denses et modélisation 3D d'environnements par système mobile LiDAR/Caméra." Phd thesis, École Nationale Supérieure des Mines de Paris, 2010. http://pastel.archives-ouvertes.fr/pastel-00580384.

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Le laboratoire de robotique CAOR de Mines ParisTech a mis au point une technique de numérisation 3D d'environnements extérieurs, utilisant un système mobile appelé LARA3D. Il s'agit d'une voiture équipée de capteurs de localisation (GPS, Centrale Inertielle) et de capteurs de modélisation (lidars et caméras). Ce dispositif permet de construire des nuages de points 3D denses et des images géo-référencées de l'environnement traversé. Dans le cadre de cette thèse, nous avons développé une chaîne de traitement de ces nuages de points et de ces images capable de générer des modèles 3D photo-réalist

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27

Nagarajan, Meenakshi. "Augmenting Incident Command System for Improved Emergency Response." Wright State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=wright1527539306880073.

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28

Sun, Wei. "3-D collision detection and path planning for mobile robots in time varying environment." Ohio : Ohio University, 1989. http://www.ohiolink.edu/etd/view.cgi?ohiou1182522950.

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Fanton, Hervé. "Cartographie rapide de l'environnement local d'un robot mobile autonome." Grenoble INPG, 1989. http://www.theses.fr/1989INPG0130.

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Proposition d'une methode de carte locale destinee a la navigation d'un robot mobile autonome mettant en uvre un telemetre laser, une modelisation du monde par des grilles et une architecture parallele hybride de type nimo-simo

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Revaud, Jérôme. "Contributions to a fast and robust object recognition in images." Phd thesis, INSA de Lyon, 2011. http://tel.archives-ouvertes.fr/tel-00694442.

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In this thesis, we first present a contribution to overcome this problem of robustness for the recognition of object instances, then we straightly extend this contribution to the detection and localization of classes of objects. In a first step, we have developed a method inspired by graph matching to address the problem of fast recognition of instances of specific objects in noisy conditions. This method allows to easily combine any types of local features (eg contours, textures ...) less affected by noise than keypoints, while bypassing the normalization problem and without penalizing too mu

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Mayi, Dieudonne. "An intelligent database for PSUBOT, an autonomous wheelchair." PDXScholar, 1992. https://pdxscholar.library.pdx.edu/open_access_etds/4332.

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In the design of autonomous mobile robots, databases have been used mainly to store information on the environment in which the device is to operate. For most of the models and ready systems, the database when used, is not a stand alone component in the system, rather it is only intended to keep static information on the disposition and properties of objects on the map.

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Lau, Buon Kiong. "Applications of Adaptive Antennas in Third-Generation Mobile Communications Systems." Thesis, Curtin University, 2002. http://hdl.handle.net/20.500.11937/2019.

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Adaptive antenna systems (AAS's) are traditionally of interest only in radar and sonar applications. However, since the onset of the explosive growth in demand for wireless communications during the 1990's, researchers are giving increasing attention to the use of AAS technology to overcome practical challenges in providing the service. The main benefit of the technology lies in its ability to exploit the spatial domain, on top of the temporal and frequency domains, to improve on transceiver performance. This thesis presents a unified study on two classes of preprocessing techniques for unifor

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Lau, Buon Kiong. "Applications of Adaptive Antennas in Third-Generation Mobile Communications Systems." Curtin University of Technology, Australian Telecommunications Research Institute, 2002. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=12983.

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Adaptive antenna systems (AAS's) are traditionally of interest only in radar and sonar applications. However, since the onset of the explosive growth in demand for wireless communications during the 1990's, researchers are giving increasing attention to the use of AAS technology to overcome practical challenges in providing the service. The main benefit of the technology lies in its ability to exploit the spatial domain, on top of the temporal and frequency domains, to improve on transceiver performance. This thesis presents a unified study on two classes of preprocessing techniques for unifor

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Kchir, Selma. "Faciliter le développement des applications de robotique." Electronic Thesis or Diss., Paris 6, 2014. http://www.theses.fr/2014PA066131.

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L'un des challenges des roboticiens consiste à gérer un grand nombre de variabilités. Ces dernières concernent les concepts liés au matériel et aux logiciels du domaine de la robotique. Par conséquent, le développement des applications de robotique est une tâche complexe. Non seulement, elle requiert la maîtrise des détails de bas niveau du matériel et du logiciel mais aussi le changement du matériel utilisé dans une application entraînerait la réécriture du code de celle-ci. L'utilisation de l'ingénierie dirigée par les modèles dans ce contexte est une voie prometteuse pour (1) gérer les prob

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Sales, Daniel Oliva. "Extração de features 3D para o reconhecimento de objetos em nuvem de pontos." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/55/55134/tde-07022018-091205/.

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A detecção e reconhecimento de objetos é uma tarefa fundamental em aplicações relacionadas à navegação autônoma de robôs móveis e veículos inteligentes. Com a evolução tecnológica nos sistemas sensoriais, surgiram equipamentos capazes de detectar e representar os elementos presentes no ambiente de forma tridimensional, em estruturas chamadas nuvem de pontos. Os sensores 3D geralmente capturam um grande volume de pontos em curtos intervalos de tempo, o que demanda técnicas robustas para processamento dessa informação além de tolerância a eventuais ruídos nos dados. Uma abordagem frequentemente

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Boutteau, Rémi. "Reconstruction tridimensionnelle de l'environnement d'un robot mobile, à partir d'informations de vision omnidirectionnelle, pour la préparation d'interventions." Phd thesis, Rouen, 2010. http://www.theses.fr/2010ROUES002.

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Les travaux présentés dans cette thèse concernent la reconstruction tridimensionnelle de l'environnement d'un robot mobile, à partir d'informations de vision omnidirectionnelle, pour la préparation d'interventions. Nous nous intéressons dans un premier temps à la conception d'une architecture matérielle adaptée aux problématiques de la reconstruction 3D et de la navigation autonome. Le calibrage d'un système de vision est une étape indispensable dès lors que celui-ci est destiné à effectuer des mesures sur son environnement. Cette phase consiste à modéliser le système pour établir la relation

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Boutteau, Rémi. "Reconstruction tridimensionnelle de l'environnement d'un robot mobile, à partir d'informations de vision omnidirectionnelle, pour la préparation d'interventions." Phd thesis, Université de Rouen, 2010. http://tel.archives-ouvertes.fr/tel-00711922.

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Les travaux présentés dans cette thèse concernent la reconstruction tridimensionnelle de l'environnement d'un robot mobile, à partir d'informations de vision omnidirectionnelle, pour la préparation d'interventions. Nous nous intéressons dans un premier temps à la conception d'une architecture matérielle adaptée aux problématiques de la reconstruction 3D et de la navigation autonome. Le calibrage d'un système de vision est une étape indispensable dès lors que celui-ci est destiné à effectuer des mesures sur son environnement. Cette phase consiste à modéliser le système pour établir la relation

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Bernichi, Mâamoun. "Surveillance logicielle à base d'une communauté d'agents mobiles." Phd thesis, Université Paris-Est, 2009. http://tel.archives-ouvertes.fr/tel-00480718.

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Les agents mobiles peuvent physiquement migrer à travers un réseau informatique dans le but d'effectuer des tâches sur des machines, ayant la capacité de leur fournir un support d'exécution. Ces agents sont considérés comme composants autonomes, une propriété qui leur permet de s'adapter à des environnements dynamiques à l'échelle d'un réseau large. Ils peuvent également échanger des informations entre eux afin de collaborer au sein de leur groupe, nous parlerons ainsi d'une communauté d'agents mobiles. Nous avons développé ce concept de communauté, en se référant aux recherches et aux études

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Hraga, Hmeda I. "Modelling and design of compact wideband and ultra-wideband antennas for wireless communications. Simulation and measurement of planer inverted F antennas (PIFAs) for contemporary mobile terminal applications, and investigations of frequency range and radiation performance of UWB antennas with design optimisation using parametric studies." Thesis, University of Bradford, 2013. http://hdl.handle.net/10454/5668.

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The rapidly growing demand for UWB as high data rates wireless communications technology, since the Federal Communications Commission (FCC) allocated the bandwidth of UWB from 3.1GHz to 10.6 GHz. Antenna also plays an essential role in UWB system. However, there are some difficulties in designing UWB antenna as compared to narrowband antenna. The primary requirement of UWB antennas is be able to operate over frequencies released by the FCC. Moreover, the satisfaction of radiation properties and good time domain performance over the entire frequency range are also necessary. In this thesis, de

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Hraga, Hmeda Ibrahim. "Modelling and design of compact wideband and ultra-wideband antennas for wireless communications : simulation and measurement of planer inverted F antennas (PIFAs) for contemporary mobile terminal applications, and investigations of frequency range and radiation performance of UWB antennas with design optimisation using parametric studies." Thesis, University of Bradford, 2013. http://hdl.handle.net/10454/5668.

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The rapidly growing demand for UWB as high data rates wireless communications technology, since the Federal Communications Commission (FCC) allocated the bandwidth of UWB from 3.1GHz to 10.6 GHz. Antenna also plays an essential role in UWB system. However, there are some difficulties in designing UWB antenna as compared to narrowband antenna. The primary requirement of UWB antennas is be able to operate over frequencies released by the FCC. Moreover, the satisfaction of radiation properties and good time domain performance over the entire frequency range are also necessary. In this thesis, des

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Li, Hui. "Decoupling and Evaluation of Multiple Antenna Systems in Compact MIMO Terminals." Doctoral thesis, KTH, Elektroteknisk teori och konstruktion, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-96239.

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Research on multiple antenna systems has been a hot topic in recent years due to the demands for higher transmission rate and more reliable link in rich scattering environment in wireless communications. Using multiple antennas at both the transmitter side and the receiver side increases the channel capacity without additional frequency spectrum and transmitted power. However, due to the limited space at the size-limited terminal devices, the most critical problem in designing multiple antennas is the severe mutual coupling among them. The aim of this thesis is to provide compact, decoupled an

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Azarnasab, Ehsan. "Robot-In-The-Loop Simulation to Support Multi-Robot System Development: A Dynamic Team Formation Example." Digital Archive @ GSU, 2007. http://digitalarchive.gsu.edu/cs_theses/39.

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Modeling and simulation provides a powerful technology for engineers and managers to understand, design, and evaluate a system under development. Traditionally, simulation is only used in early stages of a system design. However, with the advances of hardware and software technology, it is now possible to extend simulation to late stages for supporting a full life cycle simulation-based development. Robot-in-the-loop simulation, where real robots work together with virtual ones, has been developed to support such a development process to bridge the gap between simulation and reality.

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Faula, Yannick. "Extraction de caractéristiques sur des images acquises en contexte mobile : Application à la reconnaissance de défauts sur ouvrages d’art." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSEI077.

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Le réseau ferroviaire français dispose d’une infrastructure de grande ampleur qui se compose de nombreux ouvrages d’art. Ces derniers subissent les dégradations du temps et du trafic et font donc l’objet d’une surveillance périodique pour détecter l’apparition de défauts. Aujourd’hui, cette inspection se fait en grande partie, visuellement par des opérateurs experts. Plusieurs entreprises testent de nouveaux vecteurs d’acquisition photo comme le drone, destinés à la surveillance des ouvrages de génie civil. Dans cette thèse, l’objectif principal est de développer un système capable de détecter

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Cao, David. "Game Design Patterns in Endless Mobile Minigames." Thesis, Malmö högskola, Fakulteten för teknik och samhälle (TS), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-20038.

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Mobile apps have emerged ever since the smartphone has been establishedinto most peoples everyday life. Almost half of those available apps in the appstores are mobile games. We study game design patterns speci cally for endlessmobile minigames, as they are one of the emerging categories. This genre hasbecome popular in the app stores with its unique characteristics which include veryshort play session iterations and its minimalist design. Game design patterns arefocused on the interaction with the player and provide knowledge and experiencewith regards to games in general. Not only are they b

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Oskarsson, Tim. "Digital incursion: Breaching the android lock screen and liberating data." Thesis, Högskolan i Halmstad, Akademin för informationsteknologi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-44939.

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Android is the most used operating system in the world, because of this the probability of an android device being acquired in an investigation is high. To begin to extract data from an android device you first need to gain access to it. Mechanisms like full system encryption can make this very difficult. In this paper, the advantages and disadvantages of different methods of gaining access and extracting data from an android device with an unlocked bootloader are discussed. Many users unlock the bootloader of their android device to gain a much greater level of control over it. Android forens

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Guetmi, Nadir. "Modèles de conception pour des applications collaboratives dans le cloud." Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2016. http://www.theses.fr/2016ESMA0016/document.

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De nos jours, nous assistons à une énorme avancée des applications collaboratives mobiles. Ces applications tirentparti de la disponibilité croissante des réseaux de communication et de l’évolution impressionnante des dispositifsmobiles. Cependant, même avec un développement en accélération, ils demeurent toujours pauvres en ressources(une courte durée de vie des batteries et une connexion réseau instable) et moins sécurisés. Dans le cadre de notretravail, nous proposons une nouvelle approche basée sur le déploiement des tâches de collaboration mobile versle cloud. La gestion d’une virtualisat

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Vitas, Marko. "Designing mobile ambient applications." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-14191.

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Android is a fast growing platform with a lot of users and applications on the market. In order to challenge the competition, a new software product should be designed carefully, conforming to the platform constraints and conveying to the user expectations. This research focuses on defining a suitable architecture design for the specific use case of interest, an Android application focused on location based data. The research process is backed up by a prototype application construction with features such as location based reminders and mobile communication with web services. Moreover, an analy

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Astahovs, Ilja. "Use of design patterns for mobile game development." Thesis, Umeå universitet, Institutionen för datavetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-58055.

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Design patterns have been a valuable asset to software developers for a long time. All kind of software, including games, benefit from re-using the well known solutions to the common problems. Building a game from scratch requires a carefully made design and this is where design patterns come handy. However, the approach to game development has changed lately. The importance to learn the design patterns has been de-emphasized as frameworks and complete game engines emerge. Many design approaches provided by them are used out the box, often taken as some kind of standard. The purpose of this pa

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Wesolowski, Amy. "Quantifying Human Movement Patterns for Public Health." Research Showcase @ CMU, 2014. http://repository.cmu.edu/dissertations/329.

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Human travel affects important processes in public health and infectious disease dynamics. Refined spatial and temporal data are needed to accurately model how the dynamics of human travel contribute to epidemiological patterns of disease as well as access to healthcare resources. Here, I address a number of key issues related to modeling human mobility patterns and applications for understanding the spatial spread of infectious diseases and geographic access to public health resources. Using large sources of behavioral data anonymously collected from mobile phones within two African countries

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Kang, Heewon. "Multiple antenna systems in a mobile-to-mobile environment." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-11172006-173605/.

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Thesis (Ph. D.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2007.<br>Gordon L. Stuber, Committee Chair ; Guillermo Goldsztein, Committee Member ; Gregory D. Durgin, Committee Member ; John R, Barry, Committee Member ; Mary Ann Ingram, Committee Member.

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