Tesis sobre el tema "Sensor networks"
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Farry, Michael P. (Michael Patrick). "Sensor networks for social networks". Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36764.
Texto completoIncludes bibliographical references (p. 51-55).
This thesis outlines the development of software that makes use of Bayesian belief networks and signal processing techniques to make meaningful inferences about real-world phenomena using data obtained from sensor networks. The effectiveness of the software is validated by applying it to the problem of detecting face-to-face social interactions between groups of people, given data readings from sensors that record light, temperature, acceleration, sound, and proximity. This application represents a novel method for social network construction which is potentially more accurate and less intrusive than traditional methods, but also more meaningful than newer methods that analyze digitally mediated communication.
by Michael P. Farry.
M.Eng.
Karaaslan, Ibrahim. "Anti-sensor Network: Distortion-based Distributed Attack In Wireless Sensor Networks". Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12609276/index.pdf.
Texto completoTan, Hailun Computer Science & Engineering Faculty of Engineering UNSW. "Secure network programming in wireless sensor networks". Awarded By:University of New South Wales. Computer Science & Engineering, 2010. http://handle.unsw.edu.au/1959.4/44835.
Texto completoLim, Tiong Hoo. "Dependable network protocols in wireless sensor networks". Thesis, University of York, 2013. http://etheses.whiterose.ac.uk/4903/.
Texto completoKHAN, SARMAD ULLAH. "Key Management in Wireless Sensor Networks, IP-Based Sensor Networks, Content Centric Networks". Doctoral thesis, Politecnico di Torino, 2013. http://hdl.handle.net/11583/2506342.
Texto completoChaves, Andrea, Bruno Mayoral, Hyun-Jin Park, Mark Tsang y Sean Tunell. "Wireless Sensor Networks: A Grocery Store Application". International Foundation for Telemetering, 2008. http://hdl.handle.net/10150/606223.
Texto completoThis paper explains the development of a wireless network system implemented to streamline grocery store checkout procedures. The design employs a wireless telemetry network consisting of a base station and wireless motes (Micaz MPR2400) that will be located on certain aisles, and attached to shopping carts. This system allows customers to scan items while they shop and uses cashiers for payment purposes only. The objective is to minimize the amount of processing performed by cashiers in order to reduce waiting times in line. The system was tested in a simulation environment and waiting times were reduced by 65%.
Sevgi, Cuneyt. "Network Dimensioning In Randomly Deployed Wireless Sensor Networks". Phd thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12611213/index.pdf.
Texto completoYuan, Fenghua. "Lightweight network management design for wireless sensor networks". Online access for everyone, 2007. http://www.dissertations.wsu.edu/Thesis/Fall2007/F_Yuan_081307.pdf.
Texto completoTeo, Hong-Siang. "Security of sensor networks". Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2006. http://library.nps.navy.mil/uhtbin/hyperion/06Jun%5FTeo.pdf.
Texto completoThesis Advisor(s): John McEachen. "June 2006." Includes bibliographical references (p. 49-51). Also available in print.
Yazar, Dogan. "RESTful Wireless Sensor Networks". Thesis, Uppsala University, Department of Information Technology, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-110353.
Texto completoSensor networks have diverse structures and generally employ proprietary protocols to gather useful information about the physical world. This diversity generates problems to interact with these sensors since custom APIs are needed which are tedious, error prone and have steep learning curve. In this thesis, I present RESThing, a lightweight REST framework for wireless sensor networks to ease the process of interacting with these sensors by making them accessible over the Web. I evaluate the system and show that it is feasible to support widely used and standard Web protocols in wireless sensor networks. Being able to integrate these tiny devices seamlessly into the global information medium, we can achieve the Web of Things.
Finne, Niclas. "Towards adaptive sensor networks". Licentiate thesis, Uppsala universitet, Avdelningen för datorteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-227617.
Texto completoWISENET
Munishwar, Vikram P. "Storage and indexing issues in sensor networks". Diss., Online access via UMI:, 2006.
Buscar texto completoJones, Peter B. (Peter B. ). S. M. Massachusetts Institute of Technology. "Dynamic sensor tasking in heterogeneous, mobile sensor networks". Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/35782.
Texto completoIncludes bibliographical references (leaves 97-101).
Modern sensor environments often attempt to combine several sensors into a single sensor network. The nodes of this network are generally heterogeneous and may vary with respect to sensor complexity, sensor operational modes, power costs and other salient features. Optimization in this environment requires considering all possible sensor modalities and combinations. Additionally, in many cases there may be a time critical objective, requiring sensor plans to be developed and refined in real-time. This research will examine and expand on previous work in multi-sensor dynamic scheduling, focusing on the issue of near optimal sensor-scheduling for real-time detection in highly heterogeneous networks. First, the issue of minimum time inference is formulated as a constrained optimization problem. The principles of dynamic programming are applied to the problem. A network model is adopted in which a single "leader" node makes a sensor measurement. After the measurement is made, the leader node chooses a successor (or chooses to retain network leadership). This model leads to an index rule for leader/action selection under which the leader is the sensor node with maximum expected rate of information acquisition. In effect, the sensor and modality with the maximum ratio of expected entropic decrease to measurement time is shown to be an optimal choice for leader.
(cont.) The model is then generalized to include networks with simultaneously active sensors. In this case the corresponding optimization problem becomes prohibitively difficult to solve, and so a game theoretic approach is adopted in order to balance the preferences of the several sensors in the network. A novel algorithm for multiplayer coordination is developed that uses iterative partial utility revelation to achieve bounded Pareto inefficiency of the solution.
by Peter Jones.
S.M.
Firouzi, Fereshteh. "Sensor Placement for Damage Localization in Sensor Networks". VCU Scholars Compass, 2019. https://scholarscompass.vcu.edu/etd/6019.
Texto completoShe, Huimin. "Network-Calculus-based Performance Analysis for Wireless Sensor Networks". Licentiate thesis, KTH, Electronic, Computer and Software Systems, ECS, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-10686.
Texto completoRecently, wireless sensor network (WSN) has become a promising technologywith a wide range of applications such as supply chain monitoringand environment surveillance. It is typically composed of multiple tiny devicesequipped with limited sensing, computing and wireless communicationcapabilities. Design of such networks presents several technique challengeswhile dealing with various requirements and diverse constraints. Performanceanalysis techniques are required to provide insight on design parametersand system behaviors.
Based on network calculus, we present a deterministic analysis methodfor evaluating the worst-case delay and buffer cost of sensor networks. Tothis end, three general traffic flow operators are proposed and their delayand buffer bounds are derived. These operators can be used in combinationto model any complex traffic flowing scenarios. Furthermore, the methodintegrates a variable duty cycle to allow the sensor nodes to operate at lowrates thus saving power. In an attempt to balance traffic load and improveresource utilization and performance, traffic splitting mechanisms areintroduced for mesh sensor networks. Based on network calculus, the delayand buffer bounds are derived in non-splitting and splitting scenarios.In addition, analysis of traffic splitting mechanisms are extended to sensornetworks with general topologies. To provide reliable data delivery in sensornetworks, retransmission has been adopted as one of the most popularschemes. We propose an analytical method to evaluate the maximum datatransmission delay and energy consumption of two types of retransmissionschemes: hop-by-hop retransmission and end-to-end retransmission.
We perform a case study of using sensor networks for a fresh food trackingsystem. Several experiments are carried out in the Omnet++ simulationenvironment. In order to validate the tightness of the two bounds obtainedby the analysis method, the simulation results and analytical results arecompared in the chain and mesh scenarios with various input traffic loads.From the results, we show that the analytic bounds are correct and tight.Therefore, network calculus is useful and accurate for performance analysisof wireless sensor network.
Ipack VINN Excellence Center
Samarasinghe, Kasun. "Network Coding with Limited Overhearing in Wireless Sensor Networks". Thesis, KTH, Kommunikationsnät, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-53518.
Texto completoAl-Hoqani, Noura Y. S. "In-network database query processing for wireless sensor networks". Thesis, Loughborough University, 2018. https://dspace.lboro.ac.uk/2134/36226.
Texto completoSpinden, David, Jeffrey Jasper y Kurt Kosbar. "Comparison of Wireless Ad-Hoc Sensor Networks". International Foundation for Telemetering, 2004. http://hdl.handle.net/10150/605786.
Texto completoThere are a number of telemetry applications where it would be helpful to have networks of sensors that could autonomously discover their connectivity, and dynamically reconfigure themselves during use. A number of research groups have developed wireless ad-hoc sensor network systems. This paper reviews the state-of-the-art in wireless ad-hoc networks, examining the features, assumptions, limitations and unique attributes of some of the more popular solutions to this problem.
Molineux, Jeffrey S. "Integration of Wireless Sensor Networks Into a Commercial Off-the-Shelf (COTS) Multimedia Network". Thesis, Monterey, California: Naval Postgraduate School, 2012.
Buscar texto completoOuld-Ahmed-Vall, ElMoustapha. "Algorithms for Self-Organizing Wireless Sensor Networks". Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/14473.
Texto completoHasir, Ibrahim. "The Effect of Mobility on Wireless Sensor Networks". Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc699868/.
Texto completoKumar, Rajnish. "Adaptable Protocol Stack for Future Sensor Networks". Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/13931.
Texto completoPatterson, Robert Matthew. "Self-Calibration of Sensor Networks". Connect to this title online, 2002. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1023465547.
Texto completoAl-Khateeb, Shadi A. "Fire Detection Using Wireless Sensor Networks". Youngstown State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1411471850.
Texto completoDogru, Sedat. "Sycophant Wireless Sensor Networks Tracked By Sparsemobile Wireless Sensor Networks While Cooperativelymapping An Area". Phd thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12615139/index.pdf.
Texto completos mobility without intervention. SWS networks not only communicate with each other through mobileWireless Sensor Networks (WSN) but also cooperate with them to form a global hybrid Wireless Sensor Network. Such a hybrid network has its own problems and opportunities, some of which have been studied in this thesis work. Assuming that direct position measurements are not always feasible tracking performance of the sycophant using range only measurements for various communication intervals is studied. Then this framework was used to create a hybrid 2D map of the environment utilizing the capabilities of the mobile network the sycophant. In order to show possible applications of a sycophant deployment, the sycophant sensor node was equipped with a laser ranger as its sensor, and it was let to create a 2D map of its environment. This 2D map, which corresponds to a height dierent than the follower network, was merged with the 2D map of the mobile network forming a novel rough 3D map. Then by giving up from the need to properly localize the sycophant even when it is disconnected to the rest of the network, a full 3D map of the environment is obtained by fusing 2D map and tracking capabilities of the mobile network with the 2D vertical scans of the environment by the sycophant. And finally connectivity problems that arise from the hybrid sensor/actuator network were solved. For this 2 new connectivity maintenance algorithms, one based on the helix structures of the proteins, and the other based on the acute triangulation of the space forming a Gabriel Graph, were introduced. In this new algorithms emphasis has been given to sparseness in order to increase fault tolerance to regional problems. To better asses sparseness a new measure, called Resistance was introduced, as well as another called updistance.
Al-Mousa, Yamin Samir. "MAC/routing design for under water sensor networks /". Online version of thesis, 2007. http://hdl.handle.net/1850/4496.
Texto completoPaturu, Raghunatha Rao Nityananda Suresh. "Path Planning under Failures in Wireless Sensor Networks". Thesis, North Dakota State University, 2013. http://hdl.handle.net/10365/22971.
Texto completoBarragan, 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.
Texto completoNune, Raju. "Simulink® Based Design and Implementation of Wireless Sensor Networks". Thesis, University of North Texas, 2017. https://digital.library.unt.edu/ark:/67531/metadc1062869/.
Texto completoOgunlu, Bilal. "Lifetime Analysis For Wireless Sensor Networks". Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12605226/index.pdf.
Texto completos lifetime. These parameters have to be chosen in such a way that the network use its energy resources efficiently. This thesis studies these parameters that should be selected according to certain trade offs with respect to the network&rsquo
s lifetime. In this work, these trade offs have been investigated and illustrated in detail in various combinations. To achieve this goal, a special simulation tool has been designed and implemented in this work that helps in analyzing the effects of the selected parameters on sensor network&rsquo
s lifetime. OMNeT++, a discrete event simulator, provides the framework for the sensor network simulator&rsquo
s development. Ultimately, results of extensive computational tests are presented, which may be helpful in guiding the sensor network designers in optimally selecting the network parameters for prolonged lifetime.
Lin, Erwei Kam Moshe. "Detection in distributed sensor networks /". Philadelphia, Pa. : Drexel University, 2005. http://hdl.handle.net/1860/1303.
Texto completoGao, Huaien. "Distributed learning in sensor networks". Diss., lmu, 2009. http://nbn-resolving.de/urn:nbn:de:bvb:19-96120.
Texto completoChraibi, Youssef. "Localization in Wireless Sensor Networks". Thesis, KTH, Reglerteknik, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-107528.
Texto completoPinto, Luis Ramos. "Aerial Multi-hop Sensor Networks". Research Showcase @ CMU, 2018. http://repository.cmu.edu/dissertations/1180.
Texto completoXue, Wenwei. "Event detection for sensor networks /". View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?CSED%202007%20XUE.
Texto completoChiang, Mu-Huan. "Energy optimization in sensor networks". Saarbrücken VDM Verlag Dr. Müller, 2007. http://www.lib.ncsu.edu/theses/available/etd-11022007-115419/unrestricted/etd.pdf.
Texto completoCao, Hui. "Stabilization in wireless sensor networks". Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1211079872.
Texto completoSandberg, Henrik, Maben Rabi, Mikael Skoglund y Karl Henrik Johansson. "Estimation over heterogeneous sensor networks". KTH, ACCESS Linnaeus Centre, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-30325.
Texto completoQC 20110224
Tseng, Kuan-Chieh Robert. "Resilience of wireless sensor networks". Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/33713.
Texto completoDevici, Dogukan. "Consensus performance in sensor networks". Thesis, KTH, Kommunikationsnät, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-132186.
Texto completoSaif, Waleed Abdulwahed. "Localization in wireless sensor networks". Thesis, University of Leeds, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.555845.
Texto completoLi, Wei. "Cooperation arrayed wireless sensor networks". Thesis, Imperial College London, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.536033.
Texto completoPeng, Wei. "Optimisation of wireless sensor networks". Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.543734.
Texto completoCheng, King-yip y 鄭勁業. "Localization in wireless sensor networks". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B38700189.
Texto completoYordanova, Veronika. "Intelligent adaptive underwater sensor networks". Thesis, University College London (University of London), 2018. http://discovery.ucl.ac.uk/10042482/.
Texto completoGoh, Hock Guan. "Cognitive wireless sensor networks (CogWSNs)". Thesis, University of Strathclyde, 2014. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=24216.
Texto completoWen, Hongkai. "Accuracy estimation for sensor networks". Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:4ce383e9-7223-48bc-a461-83e19b1afe64.
Texto completoZhang, Luxin. "Optimal scheduling in sensor networks". Thesis, Imperial College London, 2017. http://hdl.handle.net/10044/1/49219.
Texto completoKrol, Michal. "Routin in wireless sensor networks". Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAM004/document.
Texto completoInternet of Things (IoT) paradigm envisages to expand the current Internet witha huge number of intelligent communicating devices. Wireless Sensor Networks(WSN) deploy the devices running on meagre energy supplies and measuring environmental phenomena (like temperature, radioactivity, or CO 2 ). WSN popularapplications include monitoring, telemetry, and natural disaster prevention. Major WSN challenges are energy efficiency, overcome impairments of wireless medium, and operate in the self-organisation. The WSN integrating IoT will rely on a set of the open standards striving to offer scalability and reliability in a variety of the operating scenarios and conditions. Nevertheless, the current state of the standards have interoperability issues and can benefit from further improvements. The contributions of the thesis work are:We performed an extensive study of Bloom Filters and their use in storing nodetext-based elements in IP address. Different techniques of compression andvariants of filters allowed us to develop an efficient system closing the gapbetween feature-routing and classic approach compatible with IPv6 networks.We propose Featurecast, a routing protocol/naming service for WSN. It allowsto query sensor networks using a set of characteristics while fitting in anIPv6 packet header. We integrate our protocol in RPL and introduce a newmetric, which increase the routing efficiency. We check its performance inboth extensive simulations and experimentations on real sensors in a large-scale Senslab testbed. Large-scale simulations demonstrate the advantagesof our protocol in terms of memory usage, control overhead, packet deliveryrate and energy consumption.We introduce WEAVE - a routing protocol for networks with geolocation. Our so-lution does not use any control message and learn its paths only by observingthe traffic. Several mechanisms are introduce to keep a fixed-size header andbypass both small as well as large obstacles and provide an efficient communication between nodes. We performed simulations on large scale involvingmore than 19000 nodes and real-sensor experimentations on IoT-lab testbed. Our results show that we achieve much better performance especially in large and dynamic networks without introducing any control overhead
Rezgui, Abdelmounaam. "Service-Oriented Sensor-Actuator Networks". Diss., Virginia Tech, 2007. http://hdl.handle.net/10919/30098.
Texto completoPh. D.