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 21 for “"LTE Advanced"”.
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Packet Scheduling for LTE-Advanced
LTE-Advanced has been approved by the International Telecommunication Union (ITU) as a 4G mobile communication system. It is also called IMT-Advanced or true 4G technology. LTE-Advanced is an evolution of LTE (Release-8) and backward compatible with LTE because they both use the same air-interface …
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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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Inter-cell interference mitigation in LTE-advanced heterogeneous mobile networks
… inter-cell interference in Long Term Evolution (LTE- Advanced) mobile networks, as an example of OFDMA (orthogonal frequency division multiple access)-based networks. More attention is paid to the Pico cell as an important cell type in heterogeneous deployment, due to the direct backhauling with …
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COOPERATIVE COMMUNICATIONS FOR LTE-ADVANCED SYSTEMS: DOWNLINK RELAY AND PERFORMANCE OPTIMIZATION
… Partnership 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 …
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Load balancing using cell range expansion in LTE advanced heterogeneous networks
… fair sharing of load in a macro and pico cell LTE Advanced heterogeneous network. The aim is to investigate how to use an adaptive cell range expansion bias to optimize Pico cell coverage for load balancing. Reviewed literature points out several approaches to solve the load balancing problem …
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Resource Allocation for Smart Phones in 4G LTE-Advanced Carrier Aggregation
The purpose of this thesis is to explore the concept of resource scheduling and pricing and its relation to carrier aggregation. The first main topic is a modified Frank Kelly algorithm that allows for the use of utility functions that are piecewise concave, but not a member of a strictly …
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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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Resource allocation in coordinated multipoint long term evolution-advanced networks
… Multipoint (CoMP) in Long Term Evolution-Advanced (LTE- Advanced) improves the cell-edge data rates and the network spectral efficiency through base station coordination. In order to achieve high quality of service (QoS) in CoMP network, resource allocation approach is one of the main …
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Signal conditioning for high efficiency : wireless transmission
… spectrum efficiency to achieve the specified LTE-advanced 100Mbps (mobile) and 1Gbps (fixed) wireless transmission target rate. The next generation of wireless basestations will also need to be powered from renewable sources, particularly in developing countries. A new generation of …
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Capacity Enhancement Approaches for Long Term Evolution networks: Capacity Enhancement-Inspired Self-Organized Networking to Enhance Capacity and Fairness of Traffic in Long Term Evolution Networks by Utilising Dynamic Mobile Base-Stations
The long-term evolution (LTE) network has been proposed to provide better network capacity than the earlier 3G network. Driven by the market, the conventional LTE (3G) network standard could not achieve the expectations of the international mobile telecommunications advanced (IMT-Advanced) …
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Content-aware radio resource management for IMT-advanced systems
… the delivery of quality-of-service (QoS) in IMT-Advanced systems. Various methods on radio resource management for LTE/LTE-Advanced traffic have been studied by researchers especially regarding QoS handling of video packet transmissions. Usually, cross-layer optimisation (CLO) involving the PHY …
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Evaluating the effectiveness of Cooperative/Coordinated Multipoint (CoMP) LTE feature in uplink and downlink transmissions
… most severe problem towards the deployment of LTE technology as it can significantly deteriorate the performance of cellside User Equipment (UE). However, because of regulatory and radiation restrictions as well as operational costs, signal power may only be increased only up to a certain limit …
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MIMO-OFDM Symbol Detection via Echo State Networks
… demodulation reference signals defined in 3GPP LTE/LTE-Advanced systems for the ESN/WESN based symbol detection. Meanwhile, a unified training framework is developed for both comb and scattered pilot patterns. Complexity analysis demonstrates the advantages of ESN/WESN based symbol detector …
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Exploiting the ability of Self Organizing Networks for inter-cell interference coordination for emergency communications in cellular networks
… of throughput to satisfy users effectively. LTE and LTE-Advanced is designed to meet high bit rate service requirements; however, the initial challenge of the wireless channel, such as limited spectrum, leads to frequency reuse but also irrevocable interference. This thesis gives a holistic …
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Efficient spectrum-handoff schemes for cognitive radio networks
… Mechanisms that enhance the performance of LTE-Advanced users with learning diversity are also presented. Furthermore, a future commercial earth observation network model that increases the accessible earth climatic data is presented. The performance of terrestrial radio astronomy …
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Spectrum Sharing between Radar and Communication Systems
… of the carrier aggregation feature of the LTE-Advanced systems. This further helps in dynamic sharing of spectrum between radars and communication systems. The proposed signal projection approach not only meets radar objectives but also meets spectrum sharing objectives. However, there is a …
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An Iterative Confidence Passing Approach for Parameter Estimation and Its Applications to MIMO Systems
… MIMO reception problem (pertinent to the LTE Advanced system scenarios), and (c) the satellite beamforming problem. The first two of these three applications are some of the significant open DSP research problems that are currently being actively pursued in academia and industry. This …
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Resource Allocation with Carrier Aggregation for Spectrum Sharing in Cellular Networks
… of 4G systems including Long Term Evolution Advanced (LTE-Advanced). In this dissertation, a resource allocation with carrier aggregation framework is proposed to allocate multiple carriers resources optimally among users with elastic and inelastic traffic in cellular networks. We use utility …
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Interference management in wireless networks
… cooperate to jointly receive the messages. The advanced cellular systems such as LTE-Advanced are likely to use CoMP as the physical layer interference management technique to enhance the capacity. Since determining the exact capacity of wireless systems is a difficult problem, often the coarser …
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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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