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 “"Hybrid Beamforming"”.
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Software Defined Radio For Hybrid Beamforming Applications
<p>Beamforming techniques have been deployed in both licensed networks such as LTE network and unlicensed network such as IEEE802.11ac WiFi. The scope of work for this thesis is to leverage the benefits of beamforming techniques and software defined radio platform in developing a fully functioning …
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Optimizing communication performance of low-resolution ADC systems with hybrid beamforming
… analog-to-digital converter (ADC) systems and hybrid analog-and-digital beamforming systems have drawn extensive attention as a promising receiver architecture for millimeter wave (mmWave) communications by reducing hardware cost and power consumption. In this dissertation, hybrid beamforming …
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DESIGN OF MONOLITHICALLY INTEGRATED RF-MEMS MULTI-FUNCTIONAL PASSIVES FOR HYBRID BEAMFORMING ARCHITECTURES IN BEYOND-5G AND 6G SCENARIOS
… (MIMO) antenna systems with their enhanced beamforming capabilities. While the adoption of the hybrid digital-analog beamforming architecture lightens the overall system complexity, the need of miniaturized, high-performance and broadband hardware components is still an open issue. Passive …
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Optimal Hybrid MIMO Beamforming Designs for Energy-Efficient Communication Systems
… worsens the carbon footprint. In this context, hybrid multiple-input multiple-output (MIMO) beamforming designs emerge as a crucial solution for achieving energy-efficient communication systems. These designs leverage low-complexity, low-cost, and low-power applications, primarily due to the use …
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Analysis of antenna beamforming architectures for wireless communications
… a comparative analysis of analog, digital and hybrid beamforming architectures for Multiple-Input Multiple-Output (MIMO) systems in Fifth-generation (5G) and future Sixth-generation (6G) networks. The demand for high data rates and massive connectivity, positions spatial processing as a key …
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Design and Optimization of 5G and Beyond Hybrid Communication Systems
… etc.) simultaneously, leading to the so-called hybrid communication networks as opposed to the traditional stand-alone ones. This signifies the importance of a seamless integration and configuration policy tailored to specific use cases and QoS requirements of 5G and beyond services and will …
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Adaptive and Robust Multi-Gigabit Techniques Based MmWave Massive MU-MIMO Beamforming For 5G Wireless and Mobile Communications Systems. A Road Map for Simple and Robust Beamforming Scheme and Algorithms Based Wideband MmWave Massive MU-MIMO for 5G Wireless and Mobile Communications Systems
… multiple outputs (MU mMIMO) by applying robust beamforming techniques and detection algorithms that support multiple streams per user (UE) in various environments and scenarios to achieve low complexity system design with reliable performance and significant improvement in users perceived …
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Modeling, Analysis, and Real-Time Design of Many-Antenna MIMO Networks
… novel design and implementation for ultra-fast hybrid beamforming: We investigate the beamforming problem under hybrid beamforming (HB) architecture. A major practical challenge for HB is to obtain a solution in 500 $mu$s, which is an extremely stringent but necessary time requirement for its …
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Low-Cost Architectures for Future MIMO Systems
… the deployment of conventional fully digital beamforming methods, dedicates one radio frequency (RF) chain to each antenna, is not viable enough due to the high fabrication/implementation cost and power consumption. In this thesis,<br/>we envision to address this critical issue by reducing the …
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Channel Estimation in TDD and FDD-Based Massive MIMO Systems
There are three parts to this thesis. In the first part, we study the channel estimation problem in frequency-selective multi-user (MU) multi-cell massive multiple-input multiple-output (MIMO) systems, where, a time-domain semi-blind channel estimation technique is proposed. Compared to …