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 20 of 41 for “"SDRs"”.
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Public Participation in Municipal Service Delivery Review
… using case studies of six municipal SDRs in Ontario: Brockville, Port Hope, Brantford, Halton Hills, Barrie, and Hamilton. The findings reveal that SDRs are consistently conducted separately from further public participation initiatives – despite them being viewed as incomplete or …
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Neoliberalism and alternative food movements: markets, the state, and knowledge production in Southern California
… settings. The location and affluence of SDRS leaders and participants lends a different approach to food justice work. I learned that SDRS is resisting the legacy of development in San Diego that has given rise to suburban sprawl, little land for farming, importing food to survive, and …
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Cross-Layer Game Theoretic Mechanism for Tactical Mobile Networks
… years, Software Defined and Cognitive Radios (SDRs and CRs) have become popular topics of research. Game theory has proven to be a useful set of tools for analyzing wireless networks, including Cognitive Networks (CNs). This thesis provides a game theoretic cross-layer mechanism that can be …
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xG-SS: Towards a Hardware and Simulation Experimentation Platform for Spectrum Sharing with 5G NR-U
… a 5G NR-U system using Software-Defined Radios (SDRs) and the OpenAirInterface (OAI) 5G software platform. A key novelty of this reference architecture is the proposed mitigation of LBT latency in split architectures with SDRs and General-Purpose Processors (GPPs). The LBT block is designed for …
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The evolution of protein kinase specificity
… of kinase speci- ficity determining residues (SDRs). The putative determinants were then rationalised using available structural data, and in two specific cases were validated experimentally. I also used mutation data from The Cancer Genome Atlas (TCGA) to demonstrate that kinase SDRs are often …
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Securing Cognitive Radios with a Policy Enforcer and Secure Inter-component Transport Mechanisms
… is widely believed that Software Defined Radios (SDRs) and Cognitive Radios (CRs) are the key enabling technologies to address these problems. The reconfigurability of SDRs combined with the decoupling of policies and the platform in policy-based radios poses a new technical problem --- viz, …
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Real-World Considerations for RFML Applications
… from nearly a hundred Software-Defined Radios (SDRs). This platform was used to rapidly perform experiments in both RFML performance sensitivity analysis and successful transfer between SDRs of trained models for both SEI and AMC algorithms.
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Design Space Decomposition for Cognitive and Software Defined Radios
Software Defined Radios (SDRs) lend themselves to flexibility and extensibility because they<br />depend on software to implement radio functionality. Cognitive Engines (CEs) introduce<br />intelligence to radio by monitoring radio performance through a set of meters and configuring<br />the …
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Enhancing GNU Radio for Run-Time Assembly of FPGA-Based Accelerators
Software defined radios (SDRs) have changed the paradigm of slowly designing custom radios, instead allowing designers to quickly iterate designs with a large range of functionality. With the help of environments like the open-source project, GNU Radio, a designer can prototype radios with greatly …
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Design, Implementation and Assessment of BPSK and QPSK PAPR over OFDM signals using LimeSDR
… for communication systems. The benefits of using SDRs outweighed those of traditional analog hardware by a significant margin, hence so much research and development was pursued in this area. SDRs offered upgradability and adaptation often without needing to change the hardware, giving them the …
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The hydrocarbon potential of the deep offshore along the Argentine volcanic rifted margin : a numerical simulation
… with seaward dipping reflector sequences (SDRS), possibly caused by the Tristan da Cunha hot spot. After break-up, thermal subsidence affected predominantly the development of the rifted volcanic continental margin, especially the elongated zone of the SDRS and a thick sedimentary column …
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Designing a Software Defined Radio to Run on a Heterogeneous Processor
Software Defined Radios (SDRs) are radio implementations in software versus the classic method of using discrete electronics. Considering the various classes of radio applications ranging from mobile-handsets to cellular base-stations, SDRs cover a wide range of power and computational needs. As a …
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A Reconfigurable Random Access MAC Implementation for Software Defined Radio Platforms
… in harsh environments. In the commercial sector, SDRs are present in cellular infrastructure, where base stations can reconfigure operating parameters to meet specific cellular coverage goals. In response to these enhancements, industry leaders in cellular (such as Lucent, Nortel, and Motorola) …
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A GPS Signal Generator Using a ROACH FPGA Board
… increased popularity of software defined radios (SDRs) merging GPS signal simulators and SDRs is a natural choice. A detailed review of the construction of a GPS signal generator using the ROACH processing board is presented herein. The ROACH, developed by the Collaboration for Astronomy Signal …
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Reconfigurable SCA System Development Using Encapsulated Waveform Applications and Components
… the emergence of adaptive/cognitive radios, new SDRs that are capable of reconfiguration during runtime must be developed. One advantage of SDR development over conventional radio development can be ease of design if the proper rapid development tools are made available. This thesis explores …
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Machine Learning and Artificial Intelligence Methods for Cybersecurity Data within the Aviation Ecosystem
… new technologies of Software Defined Radios (SDRs); (iii) networking cybersecurity concerns such as the inter and intra connections of aircraft within the entire ecosystem.</p> <p>This dissertation presents an overview of the research in aviation cybersecurity and a ‘Machine Learning and …
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Establishment of a Cyber-Physical Systems (CPS) Test Bed to Explore Traffic Collision Avoidance System (TCAS) Vulnerabilities to Cyber Attacks
… the efficacy of proposed vulnerabilities. SDRs and Vector Waveform Generators (VWGs) are used to achieve desired latency. Sensor inputs to the TCAS system are spoofed with micro-controllers. These include Radar Altimeter, Barometric Altimeter, and Air Data Computer (ADC) heading and …
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PicoRF: A PC-based SDR Platform using a High Performance PCIe Plug-in Card Extension
… services, attention has been directed to SDRs due to their programmable nature and the flexibility they can offer in operating over multiple standards. In addition, they can provide effective solutions to current challenges in wireless communication, such as spectrum overcrowding and …
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Rapid Radio: Analysis-Based Receiver Deployment
… design is presented and applied to FPGA-based SDRs. The RapidRadio framework abstracts away much of the knowledge required for analyzing an unknown signal and building an FPGA-based receiver. Resource utilization is traded-off for reduced implementation time and increased exibility. Automatic …
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A novel OFDM Blind Equalizer: Analysis and Implementation
… recent appearance of Software Defined Radios (SDRs), which allow easy reconfiguration of their parameters via software. As the environment changes over time, the transmitter needs to be able to effectively estimate its performance under different radio input parameters to be able to find a …
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