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 14 of 14 for “"LTE-A"”.
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Analysis, Modeling and Enhancement of LTE-A Heterogeneous Networks in a Real-World Environment
… different requirements and huge data demands. LTE-A HetNets have been extensively studied for many years. However, most research works have focused on theoretic studies of LTE-A HetNets. Only a few researchers have a chance to access and study the actual HetNets. A big gap exists between …
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Provision of broadband Internet in Oman by joining LTE-A with TV white space (TVWS)
… networks such as fibre optic networks, 3G, 4G/LTE and WiMAX. These telecommunication services have covered major cities and towns in the country, but due to the vast and inhospitable terrains of Oman with its geographical, demographical and social factors, it has been very problematic to cover …
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COOPERATIVE COMMUNICATIONS FOR LTE-ADVANCED SYSTEMS: DOWNLINK RELAY AND PERFORMANCE OPTIMIZATION
… Project's Long Term Evolution-Advanced (LTE-A) is considering an option for relay networks to provide cost-effective throughput enhancement and coverage extension. While analog repeaters have been used to enhance coverage in commercial cellular networks, the use of more sophisticated …
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Optimalizace interferencí v celulárních komunikačních systémech
… rozdíly mezi fyzickou vrstvou uplinků systémů LTE a LTE Advanced, zkoumá charakteristiky kanálu komunikace D2D v rámci sítě LTE Advanced, a navrhuje mechanismy optimalizace interferencí. Rovněž je v práci prezentována struktura softwarově definované rádiové platformy, která může být využita pro …
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Iterative Leakage-Based Precoding for Multiuser-MIMO Systems
… receivers. Finally, we conduct simulations of an LTE-A system employing the improved algorithm to show its utility for modern communication systems.
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Integration of a genetic optimisation algorithm in a simulation framework for optimising femtocell networks.
… and to analyse the performance of a two-tier LTE-A system having femtocell overlays. A comprehensive and easy to use graphical user interface has been set up with the desired two- tier network topologies. It estimates the throughput and path loss of all the femto and macro users for all the …
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Adaptive radio resource management schemes for the downlink of the OFDMA-based wireless communication systems
… (WiMAX) and Long Term Evolution – Advanced (LTE-A). Intelligent and adaptive Radio Resource Management (RRM) schemes are a fundamental tool in the design of wireless systems to be able to fully and efficiently utilize the available scarce resources and be able to meet the user data rates and …
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An Innovative RAN Architecture for Emerging Heterogeneous Networks: "The Road to the 5G Era"
… (3G) or 4G (long-term evolution (LTE) and LTE-Advanced (LTE-A)) cellular networks to crash. </p> <p>As the conventional approaches of improving the spectral efficiency and/or allocation additional spectrum are fast approaching their theoretical limits, there is a growing consensus …
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Modeling trustworthy behavior and limiting the impact of selfishness
… the concept of a Limited-Trust Equilibrium (LTE), a state in which all agents contribute to each other's utility, provided it is not too expensive for them personally. Each agent is motivated to do so in order to inspire reciprocity from its fellow agents and thus benefit in the long term. …
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VoIP packet scheduling for LTE advanced
The LTE-A (Long Term Evolution Advanced) technology constitutes a significant step in the evolution of 3G systems towards 4G. The performance targets set out for L TE Advanced make it an ideal solution to take care of the ever-increasing demand for wireless broadband services. L TE Advanced also …
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Relay-aided communications with partial channel state information
Modern wireless communication systems strive to enable communications at high data rates, over wide geographical areas, and to multiple users. Unfortunately, this can be a daunting task in practice, as natural laws governing the wireless medium may hinder point-to-point transmissions. …
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Multiphysics Model of Hypervelocity Impact and Impact Induced Plasma Formation
… conducted in the Lindhurst Laboratory at Caltech with a two-stage light-gas gun, which measured pressures up to 110 GPa and temperatures up to 5300 K. Plasma formation is modeled using the non-ideal Saha equation, solved under constraints of conservation of charge and nuclei. This allows for …
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Optimización algorítmica orientada a la implementación en dispositivos reconfigurables de esquemas multiestándar y multiusuario para sincronismo de frecuencia en sistemas de comunicaciones inalámbricas basados en OFDM
… en sistemas donde se espera gran movilidad, cómo LTE. A continuación, se propone una solución integrada para la sincronización de frecuencia de un sistema multiestándar. Para ello se proponen algoritmos que permitan la reutilización de sus bloques. De esta manera se facilitará una implementación …
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Paving the Path of LTE Toward 5G: Physical Layer Assurance and Operation in the Unlicensed Spectrum
Long-Term Evolution (LTE) is the fourth generation (4G) wireless communications standard and its evolution is paving the path for the fifth generation (5G) technology. LTE is also considered for supporting public safety networks, Machine-to-Machine (M2M) communications, and many other applications. …