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Dissertations / Theses on the topic 'Wireless communication and smart sensors'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Horyachyy, Oleh. "Comparison of Wireless Communication Technologies used in a Smart Home : Analysis of wireless sensor node based on Arduino in home automation scenario." Thesis, Blekinge Tekniska Högskola, Institutionen för datalogi och datorsystemteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-14845.

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Context. Internet of Things (IoT) is an extension of the Internet, which now includes physical objects of the real world. The main purpose of Internet of Things is to increase a quality of people’s daily life. A smart home is one of the promising areas in the Internet of Things which increases rapidly. It allows users to control their home devices anytime from any location in the world using Internet connectivity and automate their work based on the physical environment conditions and user preferences. The main issues in deploying the architecture of IoT are the security of the communication b

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2

Pinarer, Ozgun. "Sustainable Declarative Monitoring Architecture : Energy optimization of interactions between application service oriented queries and wireless sensor devices : Application to Smart Buildings." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEI126/document.

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La dernière décennie a montré un intérêt croissant pour les bâtiments intelligents. Les bâtiments traditionnels sont les principaux consommateurs d’une partie importante des ressources énergétiques, d'où le besoin de bâtiments intelligents a alors émergé. Ces nouveaux bâtiments doivent être conçus selon des normes de construction durables pour consommer moins. Ces bâtiments intelligents sont devenus l’un des principaux domaines d’application des environnements pervasifs. En effet, une infrastructure basique de construction de bâtiment intelligent se compose notamment d’un ensemble de capteurs

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3

Reinhardt, Andreas [Verfasser], Ralf [Akademischer Betreuer] Steinmetz, Adam [Akademischer Betreuer] Wolisz, and Matthias [Akademischer Betreuer] Hollick. "Designing Sensor Networks for Smart Spaces - Unified Interfacing and Energy-Efficient Communication between Wireless Sensor and Actuator Nodes / Andreas Reinhardt. Betreuer: Ralf Steinmetz ; Adam Wolisz ; Matthias Hollick." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2011. http://d-nb.info/1106113314/34.

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4

Sundaravadivel, Prabha. "Application-Specific Things Architectures for IoT-Based Smart Healthcare Solutions." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1157532/.

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Human body is a complex system organized at different levels such as cells, tissues and organs, which contributes to 11 important organ systems. The functional efficiency of this complex system is evaluated as health. Traditional healthcare is unable to accommodate everyone's need due to the ever-increasing population and medical costs. With advancements in technology and medical research, traditional healthcare applications are shaping into smart healthcare solutions. Smart healthcare helps in continuously monitoring our body parameters, which helps in keeping people health-aware. It provides

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5

Liu, Luyan. "Wireless Communication in Smart Housing." Thesis, Linnéuniversitetet, Institutionen för fysik och elektroteknik (IFE), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-37631.

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With the development of computer and information technology, information and network will be the inevitable trend of smart home which aims to offer a comfortable, efficient, and convenient home. In this thesis, the background, developments and limitations of smart home systems will be described. Wired and wireless technologies applied on the smart home network will be analyzed and a comparison of them will be made. Finally, the ZigBee technology is selected to design the wireless communication network. For the system design, the thesis describes an idea where cluster topology is chosen to desi

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6

Myers, Robert L. "SMART SENSORS VS DISTRIBUTED DATA ACQUISITION." International Foundation for Telemetering, 2001. http://hdl.handle.net/10150/606371.

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International Telemetering Conference Proceedings / October 22-25, 2001 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>Distributed processing is coming to data acquisition. The desire for smart sensors that can preprocess data, is growing. Making sensors themselves intelligent will reverse the historic trend toward smaller and cheaper sensors. Incorporating current sensor technology into data acquisition nodes in a network will create a distributed data acquisition, DAQ, environment that can acquire data from around the world over the Internet. The future is now.

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7

Moghe, Rohit. "Smart sensors for utility assets." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44729.

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This dissertation presents the concept of a small, low-cost, self-powered smart wireless sensor that can be used for monitoring current, temperature and voltage on a variety of utility assets. Novel energy harvesting approaches are proposed that enable the sensor to operate without batteries and to have an expected life of 20-30 years. The sensor measures current flowing in an asset using an open ferromagnetic core, unlike a CT which uses a closed core, which makes the proposed sensor small in size, and low-cost. Further, it allows the sensor to operate in conjunction with different assets hav

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8

Zen, Kartinah. "MAC protocol design considerations for efficient mobility in wireless sensor networks." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2010. https://ro.ecu.edu.au/theses/1869.

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Research in wireless sensor networks (WSNs) has evolved with advancements in low power devices technology during the last decade. The driving applications in WSNs are habitat and environmental monitoring. However, sensors can also be applied in smart homes, health monitoring, vehicles tracking, military, and fire detection. Since batterypowered sensors are intended to be left for months or years without human intervention, computational algorithms and communication protocols for WSNs focus more on energy conservation rather than throughput and delay as in other wireless networks. Recently, WSN

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9

Sarr, Ndéye Bineta. "Communications protocols for wireless sensor networks in perturbed environment." Thesis, Poitiers, 2019. http://www.theses.fr/2019POIT2255/document.

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Cette thèse s'inscrit dans le domaine du Smart Grid. Les SGs améliorent la sécurité des réseaux électriques et permettent une utilisation adaptée de l'énergie disponible de manière limitée. Ils augmentent également l'efficacité énergétique globale en réduisant la consommation. L'utilisation de cette technologie est la solution la plus appropriée car elle permet une gestion plus efficace de l'énergie. Dans ce contexte, des compagnies comme Hydro-Québec déploient des réseaux de capteurs pour contrôler les principaux équipements. Pour réduire les coûts de déploiement et la complexité du câblage,

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10

Grisostomi, Massimo. "New technologies for smart environments: from wireless sensors networks to domotics." Doctoral thesis, Università Politecnica delle Marche, 2014. http://hdl.handle.net/11566/242758.

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Il concetto di smart environment, conosciuto anche come ambient intelligence, sta riscuotendo sempre più importanza a livello globale negli ultimi anni. Con il termine ambient intelligence si intende un ecosistema di oggetti che interagiscono con gli utenti e fra di loro con la capacità di auto-organizzarsi, fornire servizi e manipolare dati complessi. La disponibilità di sensori dalle dimensioni e costi sempre più ridotti, la crescente diffusione di tecnologie che permettono nna connettività a livello globale e la disponibilità di dispositivi di calcolo diffusi e portatili come smartph

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11

Sinclair, Robert, Russell Beech, Kevin Jones, and Charles H. Jones. "LEGACY SENSORS GO WIRELESS WITH IEEE P1451.5." International Foundation for Telemetering, 2004. http://hdl.handle.net/10150/605806.

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International Telemetering Conference Proceedings / October 18-21, 2004 / Town & Country Resort, San Diego, California<br>The wireless sensor concept has been hindered in the past by the large number of components needed to add the wireless transceiver feature and the additional power consumption needed for that feature. This has been resolved by incorporating all the wireless components into a single, low power modular circuit. Intelligence is being added to legacy sensors to make them Institute of Electrical and Electronics Engineers (IEEE) 1451.4 compatible with an element called a Sensor I

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12

Denardin, Gustavo Weber. "Roteamento geográfico para redes de sensores e atuadores sem fio em redes urbanas de comunicação." Universidade Federal de Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/3671.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Smart grids and smart utility networks are the next-generation utility networks that intend to provide efficient control and management of utilities such as electricity, natural gas, water and sewage. Communication technology is the essential element for enabling formation of networks where control messages and metering data can be exchanged. In this work it is shown that wireless sensor and actuator networks are suitable candidates to implement this intelligent networks. The main routing algorithms for this category of wireless ne

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13

Qela, Blerim. "Adaptive Systems for Smart Buildings Utilizing Wireless Sensor Networks and Artificial Intelligence." Thesis, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/20553.

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In this thesis, research efforts are dedicated towards the development of practical adaptable techniques to be used in Smart Homes and Buildings, with the aim to improve energy management and conservation, while enhancing the learning capabilities of Programmable Communicating Thermostats (PCT) – “transforming” them into smart adaptable devices, i.e., “Smart Thermostats”. An Adaptable Hybrid Intelligent System utilizing Wireless Sensor Network (WSN) and Artificial Intelligence (AI) techniques is presented, based on which, a novel Adaptive Learning System (ALS) model utilizing WSN, a rule-based

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14

Le, Qiang. "Resource management for wireless networks of bearings-only sensors." Available online, Georgia Institute of Technology, 2006, 2005. http://etd.gatech.edu/theses/available/etd-12122005-142901/.

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Thesis (Ph. D.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2006.<br>Chin-Hui Lee, Committee Member ; Hayriye Ayhan, Committee Member ; Jennifer E. Michaels, Committee Member ; James H. McClellan, Committee Chair ; Lance M. Kaplan, Committee Member.

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15

Lohani, Satyendra Nath. "Communication Network Analysis in Smart Grid." Thesis, Linnéuniversitetet, Institutionen för datavetenskap, fysik och matematik, DFM, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-19088.

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With the world suffering from energy crisis, Smart Grid is the expanding research topic that deals vigorously with the current problems. It promotes decentralized renewable energy generation system, participate many local energy producers to energy market, adds vehicle to grid (V2G), minimize the energy loss in the electrical system, and participate many active consumers to the real market. It is an emerging project that needs an expert from many fields, thus it opens door of opportunities for many people around the globe. The present thesis deals with the communication scenario in smart grid.

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16

Yenuganti, Nagalaxmi. "Authentication in Wireless Body Area Networks (WBAN)." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6442.

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With the advancements in technology and computing environment capabilities, the number of devices that people carry has increased exponentially. This increase initially occurred as a result of necessity to monitor the human body condition due to chronic diseases, heart problems etc. Later, individuals’ interest was drawn towards self-monitoring their physiology and health care. This is achieved by implanting various sensors that can proactively monitor the human body based on medical necessity and the health condition of the user. Sensors connected on a human body perceive phenomena such as lo

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17

Öström, Erik. "BUILDING AND EXPERIMENTALLYEVALUATING A SMART ANTENNA FOR LOWPOWER WIRELESS COMMUNICATION." Thesis, Mälardalen University, School of Innovation, Design and Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-9661.

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<p>In wireless communication there is commonly much unnecessarycommunication made in directions not pointing towards the recipient. Normallyomni directional antennas are being used which sends the same amount ofenergy in all directions equally. This waste of energy reduces the lifetime ofbattery powered units and causes more traffic collisions than necessary. Oneway of minimizing this wasted energy and traffic collisions, is to use anothertype of antenna called “smart antenna”. These antennas can use selectableradiation patterns depending on the situation and thus drastically minimize theunnec

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18

Kavak, Adnan. "Vector propagation channel studies for smart antenna wireless communication systems /." Full text (PDF) from UMI/Dissertation Abstracts International, 2000. http://wwwlib.umi.com/cr/utexas/fullcit?p3004302.

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19

Noordin, Nurul Hazlina. "Adaptive array antenna design for wireless communication systems." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/8950.

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Adaptive array antennas use has been limited to non-commercial applications due to their high cost and hardware complexity. The implementation cost of adaptive array antennas can be kept to a minimum by using cost effective antennas, reducing the number of elements in the array and implementing efficient beamforming techniques. This thesis presents techniques for the design of adaptive array antennas which will enable their cost effective implementation in wireless communication systems. The techniques are investigated from three perspectives, namely, reconfigurable antenna design, wide scan a

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20

Torlak, Murat. "Estimation and capacity of channels in smart antenna wireless communication systems /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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21

Palantei, Elyas. "Switched Parasitic Smart Antenna: Design and Implementation for Wireless Communication Systems." Thesis, Griffith University, 2012. http://hdl.handle.net/10072/366219.

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Smart antenna technology in applications such as the next-G wireless communication networks may improve the quality of service (QoS). One category of smart antennas is the switched beam smart antenna (SBA). These antennas can be grouped into plug and play antennas and adaptive internal antennas. Four types of switched beam smart antennas were investigated including a six monopole array on circular ground plane with conducting sleeve, five monopoles on a circular ground plane without a conducting sleeve, a reconfigurable monopole on a cylindrical hollow ground structure, and a reconfigurable ad

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22

Janapsatya, Januar. "Switched-beam smart antenna system for indoor wireless LAN /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18419.pdf.

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23

Durrani, Salman. "Investigations into smart antennas for CDMA wireless systems /." [St. Lucia, Qld.], 2004. http://adt.library.uq.edu.au/public/adt-QU20041201.165143/index.html.

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24

Lakshmanan, Sriram. "Securing wireless networks against eavesdropping using smart antennas." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/26698.

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Thesis (M. S.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2008.<br>Committee Chair: Raghupathy, Sivakumar; Committee Member: Farmarz Fekri; Committee Member: Mary Ann, Ingram. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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25

Dietrich, Carl B. "Adaptive Arrays and Diversity Antenna Configurations for Handheld Wireless Communication Terminals." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/27291.

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This dissertation reports results of an investigation into the performance of adaptive beamforming and diversity combining using antenna arrays that can be mounted on handheld radios. Handheld arrays show great promise for improving the coverage, capacity, and power efficiency of wireless communication systems. Diversity experiments using a handheld antenna array testbed (HAAT) are reported here. These experiments indicate that signals received by the antennas in two-element handheld antenna arrays with spacing of 0.15 wavelength or greater can be combined to provide 7-9 dB diversity gain a

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26

Öström, Erik. "Building and experimentally evaluating a smart antenna for low power wireless communication." Thesis, Mälardalen University, School of Innovation, Design and Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-9557.

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<p>In wireless communication there is commonly much unnecessary communication made in directions not pointing towards the recipient. Normally omni directional antennas are being used which sends the same amount of energy in all directions equally. This waste of energy reduces the lifetime of battery powered units and causes more traffic collisions than necessary. One way of minimizing this wasted energy and traffic collisions, is to use another type of antenna called “smart antenna”. These antennas can use selectable radiation patterns depending on the situation and thus drastically minimize t

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27

Guzelgoz, Sabih. "Characterizing Wireless and Powerline Communication Channels with Applications to Smart Grid Networks." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3138.

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Smart grid aims at improving the efficiency, reliability, security, and quality of service (QoS) of the current electricity grid by exploiting the advances in communication and information technology. In parallel to size of the electricity grid, smart grid communication infrastructure should cover a very large geographical area that may extend from remote generation sites to densely populated residential regions and inside buildings, homes, and electricity-power-system environments. In such an extensive communication network, different communication technologies operating on different communi

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Manokhin, Mikhail. "Towards flexible and low-power wireless smart sensors : reconfigurable analog-to-feature converter for healthcare applications." Electronic Thesis or Diss., Institut polytechnique de Paris, 2024. http://www.theses.fr/2024IPPAT049.

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La croissance démographique et le vieillissement actuels augmentent le taux de maladies chroniques, principale cause mondiale de décès. Les réseaux corporels sans fil (WBANs), composés de capteurs intelligents portables ou implantables, sont la principale solution pour les systèmes de soins de santé proactifs réduisant le fardeau de ces maladies. Or, ces réseaux sont limités en termes de consommation d'énergie et de débit de données, surtout dans le cas des capteurs biopotentiels et inertiels avec une acquisition continue des signaux. La réduction de la quantité de données collectées et envoyé

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29

Huang, Fei, and 黄菲. "Design and analysis of transmission protocols in wireless networks with smart antennas." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46421610.

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30

Andrade, Santos Marlo. "Wireless system for passive surface acoustic wave sensors." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0146.

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Avec les progrès du développement des appareils connectés et de l’Internet des objets (IoT), la surveillance continue des paramètres physiques et chimiques est devenue un défi actuel pour notre société.De plus, les dispositifs à ondes acoustiques de surface (SAW), largement utilisés comme filtres dans les télécommunications, remplissent désormais la fonction de capteurs.C’est dans ces deux contextes que se situent les travaux de cette thèse.L'objectif est de développer un système de lecture sans fil utilisant l'un de ces capteurs, notamment le capteur à ondes de Love (Love Wave ou LW) à sensib

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31

Deshpande, Milind Umesh. "Optimal video sensing strategy and performance analysis for wireless video sensors under delay constraints." Diss., Columbia, Mo. : University of Missouri-Columbia, 2005. http://hdl.handle.net/10355/5836.

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Thesis (M.S.)--University of Missouri-Columbia, 2005.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (July 17, 2006) Includes bibliographical references.

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Kakani, Naveen Kumar. "Algorithms for Efficient Utilization of Wireless Bandwidth and to Provide Quality-of-Service in Wireless Networks." Thesis, University of North Texas, 2000. https://digital.library.unt.edu/ark:/67531/metadc2635/.

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This thesis presents algorithms to utilize the wireless bandwidth efficiently and at the same time meet the quality of service (QoS) requirements of the users. In the proposed algorithms we present an adaptive frame structure based upon the airlink frame loss probability and control the admission of call requests into the system based upon the load on the system and the QoS requirements of the incoming call requests. The performance of the proposed algorithms is studied by developing analytical formulations and simulation experiments. Finally we present an admission control algorithm which use

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Chim, Kwok Chi. "Investigating the impact of smart antenna on SAR /." View Abstract or Full-Text, 2002. http://library.ust.hk/cgi/db/thesis.pl?ELEC%202002%20CHIM.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2002.<br>Includes bibliographical references (leaves 53-54). Also available in electronic version. Access restricted to campus users.

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34

Al-Wajeeh, Taha. "Efficient radio channel modeling for urban wireless sensors networks." Thesis, Poitiers, 2018. http://www.theses.fr/2018POIT2314.

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Le canal de propagation est un élément important pour la fiabilité des simulations et la conception des systèmes sans fil. Les modèles déterministes offrent un bon niveau de précision au prix d'une complexité croissante de calcul, ce qui les rend prohibitifs pour les simulateurs de réseaux de capteurs sans fil (RdC) car ils impliquent de nombreux nœuds distribués à l'échelle d’une ville. Dans ce contexte, l'objectif de cette thèse est de proposer des méthodes déterministes rapides et précises pour modéliser le comportement des ondes électromagnétiques en garantissant le juste compromis entre l

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Kim, Sang-youb. "A fast estimation algorithm of array response vector for adaptive smart antenna systems /." Digital version accessible at:, 2000. http://wwwlib.umi.com/cr/utexas/main.

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Karlsson, Marika. "Smart inventory using acoustic and radio communications." Thesis, Uppsala universitet, Signaler och System, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-388501.

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The world is getting connected in both small and bigger systems. Internet of Things (IoT) has flourished the past years and we no longer just connect our computers and phones but also our cars, wallets, keys and even the furniture and lighting in homes are talking. It is time to take things one step further, give your food and supplies a voice. This master thesis has the purpose to construct a smart inventory using the IoT. Its outcome is a prototype that consists of three main parts: 1) a number of sensor nodes to measure what products are left, 2) a hub to collect the inventory from the sens

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Bi, Ying. "Enhancing Physical-Layer Security in Wireless Powered Communication Networks." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/16890.

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In modern society, the communications sector is a critical enabler of economic and social activity. Despite the benefit of the improved ubiquitousness, the rapid diffusion of communications technologies is driving one to question the security of communications networks and systems. It is this situation which has motivated the research and development work to be reported in this thesis. Especially, this thesis consists of two parts: The first part focuses on our main research under the umbrella of physical-layer security (PLS), and the second part presents our work on security and data manageme

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Yap, Teddy. "Mobile robot navigation with low-cost sensors." Diss., [Riverside, Calif.] : University of California, Riverside, 2009. http://proquest.umi.com/pqdweb?index=0&did=1957353711&SrchMode=2&sid=1&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1268419222&clientId=48051.

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Thesis (Ph. D.)--University of California, Riverside, 2009.<br>Includes abstract. Title from first page of PDF file (viewed March 12, 2010). Available via ProQuest Digital Dissertations. Includes bibliographical references (p. 138-144). Also issued in print.

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Fonseca, Michael Agapito. "Polymer/Ceramic Wireless MEMS Pressure Sensors for Harsh Environments: High Temperature and Biomedical Applications." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19789.

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Thesis (Ph.D)--Electrical and Computer Engineering, Georgia Institute of Technology, 2008.<br>Committee Chair: Dr. Mark G. Allen; Committee Co-Chair: Dr. Oliver Brand; Committee Member: Dr. Andrew Peterson; Committee Member: Dr. Elliot Chaikof; Committee Member: Dr. Gregory Durgin; Committee Member: Dr. Robert Butera.

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Yiu, Candy. "High Speed Wireless Networking for 60GHz." PDXScholar, 2011. https://pdxscholar.library.pdx.edu/open_access_etds/373.

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This thesis examines the problem of providing high data-rate wireless connectivity to users in indoor environments. The goal is to be able to reach Gbps/user rates even when there are multiple users present. The technology that we study is to use the 60 GHz spectrum whose special propagation properties make it ideally suited to this task. The approaches developed include using multiple spatially distributed smart antennas in a room or multiple co-located antennas to provide coverage where needed and when needed. All the antennas are connected to a single access point which allows us to dynamic

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Barragan, Dante E. "Optimal placement of sensors for network lifetime extension in wireless sensor networks with dynamic routing." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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Sun, Zhaohui, and n/a. "Improving Security in WLAN With the Use of Smart Antennas." Griffith University. School of Engineering, 2006. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20070115.143811.

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Wireless communication systems are increasingly deployed by family, businesses, government and SOHO users because of the freedom wireless communications afford, simplicity of installation and ease of use. Along with its rapid development, the security problem in wireless communication network has attracted more and more attention. It has been estimated that the IEEE 80.211 standard is susceptible to attacks both on data content and user authentication, such as eavesdropping, spoofing and Denial of Service. These attacks are due to the standard's inherent flaws and space signal sharing caused b

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Sun, Zhaohui. "Improving Security in WLAN With the Use of Smart Antennas." Thesis, Griffith University, 2006. http://hdl.handle.net/10072/366543.

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Wireless communication systems are increasingly deployed by family, businesses, government and SOHO users because of the freedom wireless communications afford, simplicity of installation and ease of use. Along with its rapid development, the security problem in wireless communication network has attracted more and more attention. It has been estimated that the IEEE 80.211 standard is susceptible to attacks both on data content and user authentication, such as eavesdropping, spoofing and Denial of Service. These attacks are due to the standard's inherent flaws and space signal sharing caused b

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Lakshmanan, Sriram. "Cooperative communication in wireless networks: algorithms, protocols and systems." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42702.

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Current wireless network solutions are based on a link abstraction where a single co-channel transmitter transmits in any time duration. This model severely limits the performance that can be obtained from the network. Being inherently an extension of a wired network model, this model is also incapable of handling the unique challenges that arise in a wireless medium. The prevailing theme of this research is to explore wireless link abstractions that incorporate the broadcast and space-time varying nature of the wireless channel. Recently, a new paradigm for wireless networks which uses the id

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ElSherif, Khaled. "Solar Powered Smart Street Post." Thesis, Högskolan Dalarna, Energiteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:du-28184.

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This thesis work aimed to develop solar Photovoltaic (PV) powered smart street post. The post was set to serve on highways for wild animals’ detection and warn vehicles of possible crossings. The main aim was to design reliable standalone PV system via PVSyst software and experimenting four different PV technologies including a bifacial module under. Another aim was to select and develop the hardware and software terms of the smart street pot. Radar sensor and analog to digital (A/D) data acquisition (DAQ) card were set to be used for the motion detection. RF wireless communication module was

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Ketcham, Richard. "Characterization and Mitigation of Hyper-Rayleigh Fading." ScholarWorks @ UVM, 2007. http://scholarworks.uvm.edu/graddis/121.

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Due to the unprecedented spatial and temporal resolution they offer, wireless sensor networks are considered an enabling technology for the distributed monitoring of industrial, military, and natural environments. As these systems migrate into vastly different and novel applications, new constraints are discovered that affect network reliability and utility. For example, wireless sensors are typically statically deployed and, unlike mobile systems, cannot move to a new location for better radio reception. As a result, the signal fades caused by non-optimal environmental conditions can increase

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Mendil, Mouhcine. "Joint radio and power resource optimal management for wireless cellular networks interconnected through smart grids." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAT087/document.

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Face à l'explosion du trafic mobile entraînée par le succès des smartphones, les opérateurs de réseaux mobiles (MNOs) densifient leurs réseaux à travers le déploiement massif des stations de base à faible portée (SBS), capable d’offrir des services très haut débit et de remplir les exigences de capacité et de couverture. Cette nouvelle infrastructure, appelée réseau cellulaire hétérogène (HetNet), utilise un mix de stations de base hiérarchisées, comprenant des macro-cellule à forte puissance et des SBS à faible puissance.La prolifération des HetNets soulève une nouvelle préoccupation concerna

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al-Sarʻāwī, Said Fares. "Design techniques for low power mixed analog-digital circuits with application to smart wireless systems /." Title page, contents and abstract only, 2003. http://web4.library.adelaide.edu.au/theses/09PH/09pha461.pdf.

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Reardon, Christopher P. "Free space optical interconnects for speckled computing." Thesis, St Andrews, 2009. http://hdl.handle.net/10023/698.

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Ramezanipour, I. (Iran). "Decision error probability in a two-stage communication network for smart grids with imperfect sensing and data links." Master's thesis, University of Oulu, 2016. http://urn.fi/URN:NBN:fi:oulu-201602031115.

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This thesis analyzes a scenario where the distribution system operator needs to estimate whether the average power demand in a given period is above a predetermined threshold using a 1-bit memoryless scheme. Specifically, individual smart-meters periodically monitor the average power demand of their respective households to inform the system operator if it is above a predetermined level using only a 1-bit signal. The communication link between the meters and the operator occurs in two hops and is modeled as binary symmetric channels. The first hop connects individual smart meters to their corr

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