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 10 of 10 for “"Backscatter Communication"”.
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Ambient Backscatter Communication Systems: Design, Signal Detection and Bit Error Rate Analysis
… among other things, developing energy-efficient communication techniques that can enable information exchange among billions of battery-operated IoT devices. With its technological capability of simultaneous information and energy transfer, ambient backscatter is quickly emerging as an appealing …
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Integrated two-way radar backscatter communication and sensing with low-power IoT tags
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-08-01
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Ambient ZeroScatter: Ambient BPSK and QPSK Backscatter Communication using Existing Digital I/O Pins
… minimum-complexity approach that enables backscatter wireless data uplink from billions of existing, commodity microcontrollers (MCUs) and field-programmable gate arrays (FPGAs). Existing MCU and FPGA based backscatter wireless sensors rely on external components such as RF FETs, PIN …
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CMOS THz-ID: A 1.6mm² Package-Less Identification Tag Using 260-GHz Far-Field Backscatter Communication
… chip without external components. The usage of backscatter communications at 260 GHz enables full integration of a 2×2 patch antenna array. For chip compactness and minimum interference caused by direct wave reflection, the backscatter signal is frequency-shifted by 2 MHz and radiated with …
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Pushing the Limits of RF and Underwater Backscatter Systems
Backscatter communication systems, in both air and water, are great alternatives to traditional communication systems due to their low power requirement. The fact that backscatter systems can communicate at near-zero power makes them desirable for long-term applications such as environmental …
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Automated Electronic Mode Stirring in Reverberant Cavities to Optimize Backscatter Link Margins
The usage of backscatter communications in metal-rich environments is limited by the deep nulls present due to dense multipath. With the round-trip path losses incurred by backscatter communication links, the system link budget is very sensitive to these nulls. Real-world applications require a …
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Longer Range Backscatter Communications for IoT
Wireless communication technologies have gained widespread adoption, forming the foundation of the Internet of Things (IoT). The IoT offers versatile, accurate, cost-effective, and energy-efficient solutions for a diverse range of applications. Within this network, backscatter communication plays a …
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Development of a Sensor Readout Integrated Circuit Towards a Contact Lens for Wireless Intraocular Pressure Monitoring
… oscillator (CSVCO) used for establishing a backscatter communication link. Additional circuitry is included to regulate power to and from the battery. An undervoltage lockout circuit protects the battery from deep discharge damage. When recharging, a rectifier and a voltage regulator …
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3D backscatter localization for fine-grained robotics
… unique capability is that it can localize backscatter nodes with sub-centimeter accuracy without any constraints on their locations or mobility. TurboTrack makes two key technical contributions. First, it presents a pipelined architecture that can extract a sensing bandwidth from every …
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Wireless Systems for a Sustainable Future: From Battery-Free Subsea IoT to THz-Based Agriculture Monitoring
… design and implement an ultra-low power subsea backscatter communication system, enabling battery-free underwater imaging, sensing and localization. Second, the thesis describes a new technology that can support sustainability in agriculture through real-time food quality assessment that reduces …