Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 17 of 17 for “"RFID Reader"”.
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Analysis and solutions for RFID tag and RFID reader deployment in wireless communications applications. Simulation and measurement of linear and circular polarised RFID tag and reader antennas and analysing the tags radiation efficiency when operated close to the human body.
… associated with the implementations of antennas RFID Reader and Tag for various applications. In particular, the efficiency of the RFID reader antenna and the detection range of the RFID tag antenna, subject to a small and compact antenna¿s design configuration have been studied. The present work …
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A Compliant Threshold Acceleration Sensor Integrated with Radio Frequency Identifiable Tags
… passive radio frequency identification tags (RFID). This allows for the sensing package to lay dormant with no maintenance needed until the sensor is read by the RFID reader. This thesis presents a successfully fabricated and integrated threshold accelerometer with a passive RFID tag. This in …
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Design and Modelling of Passive UHF RFID Tags for Energy Efficient Liquid Level Detection Applications. A study of various techniques in the design, modelling, optimisation and deployment of RFID reader and passive UHF RFID tags to achieve effective performance for liquid sensing applications
… Frequency Identification Technology. Passive UHF RFID tags have been designed, modelled and optimized. A simple rectangular tag, the P-shaped tag and S-shaped tag with UHF band frequency of operation (850-950 MHz) has been designed and modelled. Detailed parametric analysis of the rectangular tag …
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Mobile RFID system for inventory automation
As RFID technology proliferates within the industry, more added value applications employing RFID technology are being created. One main application is inventory tracking where RFID technology is used to create a visibility of goods flowing through the supply chain. This thesis discusses the …
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OpenTag : privacy control methods in RFID
… and developing a flexible and more powerful RFID system to meet the needs of the approaching ubiquitous tagging of everyday items. The focus of this thesis is on methods to improve privacy control in item level RFID tags. Several methods for the prevention of unwanted identification and …
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Design and validation of a digital core for wireless communication with RFID-enabled devices
… and successfully tested to communicate with RFID-enabled devices. This digital core comprises of a communication block and a control block. The communication block is made up of two blocks, namely, the receiver block and the transmitter block whereas the control block controls the operation …
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Infofield : an aura recognizing digital information of everyday environment
… and recently Radio Frequency Identification (RFID) has been considered an affordable technology for providing such ability. However, RFID approaches have been flawed: when they operate at long range, they fail to provide adequate context as to which tagged objects are the subject of the user's …
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Low-Cost, Passive UHF RFID Tag Antenna-Based Sensors for Pervasive Sensing Applications
… meet this need. Radio Frequency IDentification (RFID) offers good potential for the development of pervasive sensors: RFID tags have a proven track record of large-scale, highly integrated deployment for object identification in the retail and consumer goods industry. Furthermore, the last decade …
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An RFID-based visual recognition system for the retail industry
… the computation efficiency, my system integrates RFID as a second data source. By attaching an RFID tag to each product, the RFID reader is able to capture the identity information of surrounding products. The detection results can help reduce the verification scope from the whole database to the …
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Optimization of supply chain management by simulation based RFID with XBEE Network
… recent years is Radio Frequency Identification (RFID). It is an advanced Auto-ID wireless network based configuration system used for identification and tracking of items movement data. Technically, basic requirements for deploying RFID network are to identify the number of readers needed, …
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Radio-Location Techniques for Localization and Monitoring Applications. A study of localisation techniques, using OFDM system under adverse channel conditions and radio frequency identification for object identification and movement tracking
… passive radio frequency identification (RFID) systems. A multi-tag, (totalling fifty-six tags) with known ID values are attached to the whole patient’s body to achieve better tracking and monitoring precision and higher accuracy. Several tests with different positions and movements are …
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Switched beam array antenna for 2.45 GHz RFID localisation
… familiar with Radio Frequency Identification (RFID) technology as its applications are around us in many systems, such as anti-theft devices in shops, supermarkets and libraries, building access systems. The number of applications and devices has developed explosively in the past decade and has …
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Battery-free wireless sensing and beyond
… into a touch-aware surface by directly attaching RFID tags to them. RIO is built using the technique of impedance tracking: when a human finger touches the surface of an RFID tag, the impedance of the antenna changes. This change manifests as a variation in the phase of the RFID backscattered …
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Enhancing Signal Coverage for UHF RFID Systems
… been one of the most crucial problems in UHF RFID systems. In this thesis, the problem is tackled using a combination of antenna design, mathematical modelling and algorithm development. A novel UHF RFID reader antenna with 2D beam-scanning ability, a wide axial ratio (AR) beamwidth and …
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Computer Vision-assisted Battery-free RFID Systems for Object Recognition, Localization and Orientation
Battery-free radio frequency identification (RFID) is a promising technique in Internet of Things (IoT) applications that use wireless signals to identify a physical object from its attached RFID tag. Compared to the existing barcode identification systems, RFID can still work in the …
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Indoor Localisation System and Methods using Passive UHF RFID with A Mobile Platform
… which combines radio frequency identification (RFID) technology with a mobile platform and development of localisation methods. The system designed in this dissertation is composed of ultra-high frequency (UHF) RFID passive tags, a mobile platform and a computer. UHF RFID passive tags are either …
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Network Modeling and Interference Analysis in Pervasive Technology
… and compared to the state-of-the-art approaches. RFID technology is a key component in the implementation of pervasive computing. An RFID system consists of small tags containing a microchip and an antenna, readers to acquire data stored in the tags by means of radio frequency signals, and a …