Search for dissertations about: "Nikolaos Pappas"
Showing result 6 - 10 of 10 swedish dissertations containing the words Nikolaos Pappas.
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6. Analysis of the Age of Information in Status Update Systems
Abstract : Rapid advances in wireless technology have taken us towards a pervasively connected world in which a vast array of wireless devices, from mobile phones to environmental sensors, seamlessly communicate with each other. In some of these systems the freshness of the transmitted information is of high importance. READ MORE
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7. Communication-Computation Efficient Federated Learning over Wireless Networks
Abstract : With the introduction of the Internet of Things (IoT) and 5G cellular networks, edge computing will substantially alleviate the quality of service shortcomings of cloud computing. With the advancements in edge computing, machine learning (ML) has performed a significant role in analyzing the data produced by IoT devices. READ MORE
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8. Performance Analysis in Wireless HetNets: Traffic, Energy, and Secrecy Considerations
Abstract : To this day, most of the communication networks are characterized by a "monolithic" operating approach. Network elements are configured and operate without any reconfiguration for long time periods. Softwarization, whereby dedicated elements are being replaced by more general-purpose devices, has been lately challenging this existing approach. READ MORE
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9. Analysis and Optimization for Robust Millimeter-Wave Communications
Abstract : Spectrum scarcity is a longstanding problem in mobile telecommunications networks. Specifically, accommodating the ever-growing data rate and communications demand in the extensively used spectrum between 800 MHz and 6 GHz is becoming more challenging. READ MORE
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10. Performance Aspects in Millimeter-Wave Wireless Networks
Abstract : The ever-growing data rate and comunications demand pose more challenges for the upcoming generations of mobile communications, i.e., fifth generation (5G) and beyond. To deal with these challenges, several solutions can be deployed, e. READ MORE