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 18 of 18 for “"Near Field Communication"”.
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Adiabatic Approach for Low-Power Passive Near Field Communication Systems
… power electronics in the power limited passive Near Field Communication (NFC) systems. One of the techniques that has proven the potential of delivering low power operation is the Adiabatic Logic Technique. However, the low power benefits of the adiabatic circuits come with the challenges due to …
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Investigating failure to implement contactless payments: a case of Near Field Communication payment systems in South Africa
Near Field Communication (NFC) contactless payment systems are being touted as the future for retail payments and public transport fare-collection systems. Studies have shown that such initiatives require many organisations from different industries to work together for the goal to be realised. The …
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Coil antenna design for transmitter and receiver for bioelectronics
… without any limitations incurred by wired communications. Therefore, portable and skin-mountable devices require wireless power transfer between the devices and the transmitter. The wireless sensor network based on a near-field communication (NFC) increases the capability of the devices …
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Future contactless payment options for transport for London : demand, cost, equity, and fair policy implications
… smartcard technology, contactless bankcards and near-field communication (NFC) mobile phones. Five fare payment options based on these three technologies are proposed. Options 1-3 use contactless bankcards and NFC phones as the fare medium. Option 1 requires tap-in only and uses flat fares; it is …
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Soft, wireless electronics for the thermal characterization of skin and soft tissue
… transmission and powering schemes relying on near-field communication and Bluetooth protocols allow the sensors to be continuously worn for extended periods. Measurements of hydration in outer skin layers, cerebrospinal fluid flow through indwelling ventricular shunts and blood flow through …
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NFC based inventory management solution
… SCI provides real time usage tracking with Near Field Communication (NFC) tags attached to articles. NFC technology on smartphones makes it easier for the user to mark usage by simply scanning the article’s tag. SCI not only keeps track of when an item was last used, but also how many times …
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Optimal Hybrid MIMO Beamforming Designs for Energy-Efficient Communication Systems
… crucial solution for achieving energy-efficient communication systems. These designs leverage low-complexity, low-cost, and low-power applications, primarily due to the use of analog components, making hybrid MIMO a practical alternative to fully digital architectures. This thesis presents …
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Investigating an Interactive Technological Self Study Conceptual Framework for On-board Maritime Education and Training
… Training (iMET) application, that is utilising Near Field Communication (NFC) technology, as a personalised interactive self-study mobile tool, with respect to cadets’ different learning preferences. The main aim of this research is to test the hypothesis that, the iMET tool has a direct …
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An adaptive threshold energy detection technique with noise variance estimation for cognitive radio sensor networks
… as WSNs find numerous application areas in fields such as agriculture, infrastructure monitoring, transport, and security surveillance. Traditionally, most deployments of WSNs operate in the unlicensed industrial scientific and medical (ISM) band and more specifically, the globally available …
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Assessing the Principal Agent Problem in Mobile Money Services: Lessons from M – PESA in Lesotho
… the agents’ core businesses. Innovations such as Near Field Communication (NFC) can be integrated with Point of sale (POS) applications and mobile money platforms to reduce the administration burden on agents and human error. Such applications must consider the cost implications of adoption from …
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Security Issues and Defense Methods for Wireless Medical Devices
… on wireless medical devices is a relatively new field, which has not been thoroughly researched yet. The authors of a lot of articles have proposed token based, certification based and proximity based schemes to address the issue. However, most of the current solutions have many limitations and …
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The slow uptake of PMP in South Africa described and explained using grounded theory methods
Purpose – “Quo vadis TAM?” was a question asked by Benbasat and Barki in an inspired 2007 critique of the intense focus of the Technology Adoption Model (TAM) in Information Systems (IS), referring to its discovery as a blessing but its overuse as a curse that has resulted in TAM being …
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Near-field baseband communication system for use in biomedical implants
This thesis introduces the reader to the near-field baseband pulse radio communication for biomedical implants. It details the design and implementation of the complete communication system with a particular emphasis on the antenna structure and waveform coding that is compatible with this …
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Smart marine sensing systems for integrated multi-trophic aquaculture (IMTA)
… (RFID) systems that transmit in the near field (Near Field Communication – NFC) are less attenuated by the seawater environment than higher-frequency communications, and thus potentially provide a more viable alternative for underwater data transmission. In this work, we present a …
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Complexing Carbon Nanomaterials and Reactive Metal Species for Selective Chemical Sensing and Tunable Catalysis
… resonant radio frequency circuits of commercial near-field communication (NFC) tags to achieve wireless detection of ammonia at physiologically relevant levels, offering a non-invasive and cost-effective approach for early detection and monitoring of chronic kidney diseases. In Chapter 4, we …
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Automation of ultrasonic-based product tracking & traceability in supply chains
… underperform. It can thus be used with near-field communication (NFC) technology and real-time GPS tracking, traditionally reserved for tracking goods in transit. The research investigates the unique attributes of ultrasonic signals for product identification, focusing on frequency …
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Wirelessly addressable chemiresistors : carbon nanotube-based chemical sensors and dosimeters
… In Chapter 3, we describe an adaption of near-field communication (NFC) technology toward portable, wireless, non-line-of-sight gas phase chemical sensing. The result is a Chemically Actuated Resonant Device (CARD). We demonstrate the ability to convert inexpensive commercial NFC tags into …
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In-sensor information processing for resource-limited platforms on flexible epidermal substrates
… energy efficiency. However, energy delivery and communication circuitry have not benefited significantly from technology scaling due to different sets of figures of merit. In-sensor information processing can be utilized to lower the energy consumption of such systems by eliminating the redundant …