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 51 for “"5G networks"”.
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Novel Estimation and Detection Techniques for 5G Networks
… can be incorporated into the fifth-generation (5G) networks. First, the thesis presents a novel system for orthogonal frequency division multiplexing (OFDM) to estimate the channel blindly. The system is based on modulating particular pairs of subcarriers using amplitude shift keying (ASK) and …
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Optimal Beamforming Strategies At Mmwaves For 5G+ Networks
Beyond fifth generation (5G+) communication aims to provide a 3-dimensional ubiquitous network to support high data rates caused by device proliferation. To aid 5G+ communications, three spectrum bands are being investigated: sub-6 GHz, millimeterwave (mmWave), and terahertz frequencies. Higher …
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IP addressing, transition and security in 5G networks
… and there is need for reliable IP addressing. 5G network will be built on two main technologies; SDN and NFV which will make it elastic and agile compared to its predecessors. Elasticity will ensure that additional devices can always be added to the network. IPv4 addresses are already depleted …
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Enhancing Performance in Programmable 5G Networks, Blockchains, and Cloud Gaming
L'abstract è presente nell'allegato / the abstract is in the attachment
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Machine Learning-Powered Management Architectures for Edge Services in 5G Networks
L'abstract è presente nell'allegato / the abstract is in the attachment
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Resource allocation and NFV placement in resource constrained MEC-enabled 5G-Networks
The fifth-generation (5G) of mobile communication networks are expected to support a large number of vertical industries requiring services with diverging requirements. To accommodate this, mobile networks are undergoing a significant transformation to enable a variety of services to coexist on the …
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Using machine learning techniques in developing an autonomous network orchestration scheme in 5g networks
Network Orchestrators are the brains of 5G networks. The orchestrator is responsible for the orchestration and management of Network Function Virtualisation Infrastructure (NFVI), understanding network services on NFVI and software resources. The International Telecommunication Union (ITU) have …
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Hybrid AI-driven Approach to Context-Aware Inter-Slice Load Balancing for Cloud-Native Functions in 5G Networks
… for intelligent capabilities. Graph neural networks (GNN) and spatio-temporal multi-head graph attention networks (SP-mGAT) are utilized to generate context-aware embeddings, clustering clients by traffic characteristics into priority labels. These labels feed multi-agent deep reinforcement …
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Resource management for wireless communications : an energy efficiency approach
It is envisioned that the fifth generation (5G) networks will support the massive amount of data, reduce energy consumption and satisfy highly demanding quality-of-service (QoS). This can be achieved by integrating the key enabling technologies such as massive multiple-input multiple-output (MIMO) …
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Performance in Multipath & High-Mobility Leveraging Terrestrial and Satellite Networks
… study comparing the performance of terrestrial 5G networks (ATT, Verizon, T-Mobile) and the Starlink satellite network in high-mobility scenarios. The study evaluates key performance metrics, including throughput and latency, across six globally distributed server locations: Virginia, …
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Advancing 5G Coverage: Novel Methods for Metasurface Characterization and Leaky-Wave Antenna Reconfigurability
… thesis introduces novel approaches to enhance 5G coverage through accurate metasurface (MS) characterization using incident field reconstruction and pattern reconfigurability in leaky wave antennas (LWAs). Metasurfaces offer potential coverage enhancement by signal manipulation. The incident …
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Securing the Future of 5G Smart Dust: Optimizing Cryptographic Algorithms for Ultra-Low SWaP Energy-Harvesting Devices
While 5G energy harvesting makes 5G smart dust possible, stretching computation across power cycles affects cryptographic algorithms. This effect may lead to new security issues that make the system vulnerable to adversary attacks. Therefore, security measures are needed to protect data at rest and …
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Security and privacy in 5G
… them further in the future. Next generation 5G networks will represent a salient technological breakthrough that combines old and new technologies and involves, among all, new models of service provisioning and resource sharing. In particular, they will lead to the emergence of mechanisms and …
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Estimating End-User Throughput Using Service Provider Cell Traces Via Gradient Boosting
The adoption of 5G networks has enabled supporting applications that require high bandwidths and low latencies. Service providers need to manage their resources efficiently to avoid service interruptions. Therefore, being aware of customer's experienced bandwidth is of paramount importance. …
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Real-Time and High-Quality Musical Audio Streaming Over IP
… key challenges in real-time audio streaming over networks, including ultra-low latency, high reliability, and perceptual audio quality. One of the central components of the IoMusT paradigm is represented by Networked Music Performance (NMP) systems, which aim at enabling geographically displaced …
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ML-Based Optimization of Large-Scale Systems: Case Study in Smart Microgrids and 5G RAN
… to make autonomous decisions. Similarly, 5G networks are designed to provide lower latency, higher throughput and reliability for a large number of user devices, but the evolving network architecture also leads to great complexity for network management. The 5G network management should …
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Adaptive Reinforcement Learning-Based Fuzzer for 5G RRC Security Evaluation
… to assess the security and resilience of 5G networks. The proposed approach specifically targets potential vulnerabilities in message exchange sequences, authentication procedures, and resource allocation mechanisms. It employs Q-learning to optimize fuzzing strategies across multiple …
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Analysis, Modeling and Enhancement of LTE-A Heterogeneous Networks in a Real-World Environment
During the past decades, cellular networks have been greatly developed. An increasing number of devices such as tablets and mobile phones are connected to cellular networks. The heterogeneous networks (HetNets) play an important role in serving users with different requirements and huge data …
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A novel beam management strategy using UE trajectory mapping
… systems, specifically within the framework of 5G mmWave networks. As the demand for reliable and high-speed data transmission increases, traditional beamforming techniques face challenges such as high computational load and inefficiencies in indoor environments. The proposed method leverages …
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Spectrum Awareness: Deep Learning and Isolation Forest Approaches for Open-set Identification of Signals
Over the next decade, 5G networks will become more and more prevalent in everyday life. This will provide solutions to current limitations by allowing access to bands previously unavailable to civilian communication networks. However, this also provides new challenges primarily for the military …
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