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 105 for “"LoRa"”.
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Localização e rastreamento 3D usando comunicação sem fio LoRa
… baixos e maior escalabilidade. Uma delas é o LoRa (Long Range), que é uma tecnologia de comunicação sem fio de longa distância e que faz parte do protocolo LoRaWAN. Aplicações nas redes de sensores sem fio (WSN) envolvendo essa tecnologia têm sido amplamente empregadas, trazendo bons …
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Design and Implementation of a Risc-V Based LoRa Module
… the design of a prototype softcore RISC-V based LoRa end node Printed Circuit Board (PCB) design. By combining the reconfigurability and optimisation potential of a FPGA and RISC-V based architecture with a LoRa interface, the design contributes a novel option for use in solutions to the above. …
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Performance Modelling of Multi-Hop LoRa-based Networks for IoT Applications
… technologies, Long Range Wide Area Network (LoRaWAN) has gained significant attention, thanks to its open standard and the ease of establishing private networks. Conventional LoRaWAN networks typically employ a single-hop, star-topology design, where end-devices communicate directly with …
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Impacts of Multi-Hop Routing and Channel/Transmission Configuration Planning on LoRa Networks
… that fall in the category of LPWANs, LoRa has a very good potential to become a long-lasting technology, thanks to its gigantic industrial support base. LoRa Alliance, an organization consisting of more than 500 member companies (as of October, 2018) is promoting this technology. In …
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Designing Intelligent Energy Efficient Scheduling Algorithm To Support Massive IoT Communication In LoRa Networks
… and long-range communication capability make LoRa the most adopted and promising network for IoT devices. Since LoRaWAN uses ALOHA for multi-access of channels, collision management is an important task. Moreover, in massive IoT, due to the increased number of devices and their Adhoc …
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Table manners at scale: introducing Lora Lens for efficient analysis & detoxification of language models
… these limitations, we propose and implement the Lora Lens, an innovative adaptation of Attention Lens employing Low-Rank Adaptation (LoRA) to drastically reduce memory footprint and computational cost. Specifically designed for compatibility with large-scale models such as Llama 3 8B, Lora Lens …
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Characterization of Road Traffic Injuries at Hospital Traumatológico Ney Arias Lora in Santo Domingo, Dominican Republic
Pages 1-35 are misnumbered as pages 2-36.
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Data-driven Estimation of Low-Power Long-Range Signal Parameters by an Unauthenticated Agent using Software Radio
… long-range communication protocol known as LoRa. Despite LoRa's high tolerance for noise and interference, it was found vulnerable to interference from particular chirp-type signals. State-of-the-art signal jamming techniques that exploit this property require the knowledge of two sensitive …
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Secured and Versatile IoT Connectivity: A Novel LoRa-Based Approach with Enhanced Encryption, Key Exchange, Real-Time Data Visualization, and Dynamic Storage Integration
… framework. To this end, Long Range (LoRa) technology, a low-power wide-area network protocol, serves as the primary communication technology. The experiment involves two transmitters, each equipped with different environmental sensors, communicating via LoRa technology. The security …
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Remote Sensing-based Channel Modeling and Deployment Planning for Low-power Wireless Networks
… of Things (IoT) networks based on Long Range (LoRa) wireless technology in the presence of mixed environments. As a first major contribution, we propose a novel WSN node placement approach (LaPS) that integrates remote sensing data acquired by airborne Light Detection and Ranging (LiDAR) …
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Involuntary Signal-Based Grounding of Civilian Unmanned Aerial Systems (UAS) in Civilian Airspace
… three communication protocols were evaluated: LoRa WAN, Bluetooth 5, and Frequency Shift Keying (FSK) for their long range capabilities. Of the three technologies, LoRa WAN transmitted the farthest, however the FSK module transmitted a comparable distance at a lower power. The power …
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Comparing Parameter Efficient Finetuning Techniques (PEFT) using Datamodels
… thesis extensively compares three PEFT methods: LoRA, BitFit, and (IA)³, using the ModelDiff framework to identify and apply data interventions. Our analysis reveals that the performance of these methods varies widely with different interventions, with BitFit showing the most variance, while LoRA …
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Physical suitability of sites for community-scale tidal power generation
… channel between two islands and (2) the Falls of Lora, tidal rapids over a shallow sill at the mouth of a sea loch (fjord). A series of matlab functions have been developed, allowing large-scale particle image velocimetry (LSPIV) to be applied to georectified images of these tidally energetic …
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Towards scalable modern marine ecosystem monitoring
… integrating custom VHF signal processors with LoRaWAN to deliver near-real-time notifications for efficient archival biologger retrieval. Deployed in Antarctica, it successfully detected returning emperor penguins, demonstrating that robust, polar-grade automation improves detection reliability …
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Analyzing Icelandic conversation using State-of-the-Art ASR models
… reduced parameter number Low-Rank Adap- tation ( LoRA) and full parameter fine-tuning strategies. In this thesis, only full- parameter fine-tuning was implemented and tested. Both the base Whisper-Small and Whisper-Large models are used, starting from a model pre-trained on 967 hours of read …
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Srovnání metod pro lokalizaci uvnitř budov
… osob či objektů pomocí IoT technologií ZigBee a LoRa™. Jsou zde probrány možnosti metod lokalizace, parametry užívaných technologií a seznámení se s existujícími moduly dostupnými na trhu. Výsledkem praktické části je návrh desek plošných spojů, základního odzkoušení hardwaru a softwaru a …
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