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 “"C-RAN"”.
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Machine learning based heuristic BBU-RRH switching scheme for C-RAN in 5G
… making a profit. Cloud Radio Access Network (C-RAN) is a new architecture that has been proposed to facilitate the mobile networks' ability to meet the increase in bandwidth demand. C-RAN consists of three parts, namely Remote Radio Head (RRH), the front haul link, and Baseband Processing Units …
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Spectrum sharing in next generation wireless communication networks
… band. These access and coexistence methods guarantee that the interference requirements are met. Furthermore, we studied one of the key enabling technologies in the future cellular networks - Cloud Radio Access Network (C-RAN). By modelling C-RAN with the Distributed Antenna System (DAS), we …
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Energy efficient cloud computing based radio access networks in 5G: Design and evaluation of an energy aware 5G cloud radio access networks framework using base station sleeping, cloud computing based workload consolidation and mobile edge computing
… efficiency in 5G cloud radio access networks (C-RAN) by leveraging cloud computing technology. Energy efficiency is achieved in three ways; (i) at the radio side of H-C-RAN (Heterogeneous C-RAN), a dynamic BS switching off algorithm is proposed to minimise energy consumption while maintaining …
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Energy Efficient Cloud Computing Based Radio Access Networks in 5G. Design and evaluation of an energy aware 5G cloud radio access networks framework using base station sleeping, cloud computing based workload consolidation and mobile edge computing
… efficiency in 5G cloud radio access networks (C-RAN) by leveraging cloud computing technology. Energy efficiency is achieved in three ways; (i) at the radio side of H-C-RAN (Heterogeneous C-RAN), a dynamic BS switching off algorithm is proposed to minimise energy consumption while maintaining …
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Downlink Transmission and Caching Strategies for Backhaul-Limited Cloud Radio Access Networks
… a downlink cloud radio access network (C-RAN) where all the base stations (BSs) are connected to a central processor (CP) via capacity-limited backhaul links. Two fundamental and different downlink transmission strategies are studied, namely the data-sharing strategy and the compression …
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Cloud-aided wireless systems: communications and radar applications
… computing and Cloud Radio Access Network (C-RAN), and for radar systems. This dissertation first concentrates on cloud-aided communications. Mobile cloud computing, which allows mobile users to run computationally heavy applications on battery limited devices, such as cell phones, is …
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Multiservice Ethernet Digital Distributed Antenna Systems
… wireless coverage, which not only is able to transport multiple wireless carriers from different vendors and mobile operators, but also allows a converged architecture to integrate indoor wireless system with existing Ethernet infrastructures. The Cloud Radio Access Networks (C-RAN) has been …
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Network-Aware Resource Management for Mobile Cloud
… resources in Cloud Radio Access Network (C-RAN) environment. The gathered monitoring information in the controller is used when making resource allocation/management decisions. A unified protocol has been proposed, which utilises the same packet format for mobile task offloading and resource …
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Multi-layer, Low-crosstalk Integrated Optical Switches
… using 64-QAM LTE signals with >40 dB RF dynamic range and <1.8% error vector magnitude (EVM). Future work will focus on lossless optical switching systems through advanced material engineering (e.g., low-loss SiN waveguides with optimized adiabatic tapers) and hybrid modulation schemes combining …
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Next-Generation Space Communications Technologies for Building Future Mars Connectivity
… implementing Cloud Radio Access Networks (C-RAN) for ``Towards 6G" Martian connectivity. The results will spread from simulations of the so-called splitting options, for the virtualization of baseband functionalities on non-dedicated hardware, to end-to-end (E2E) network emulations and …
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Radio Resource Management Optimization For Next Generation Wireless Networks
… the evolving cloud radio access network (C-RAN) architecture is proposed. The impact of the proposed model on addressing the long term evolution (LTE) network limitations is then rigorously investigated in the form of optimization problems. The main contributions of this dissertation …
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Security for network services delivery of 5G enabled device-to-device communications mobile network
… It incorporates Cloud Radio Access Network (C-RAN) architecture, D2D communications, and CCN to support 5G’s objectives in Home Network (HN), roaming, and proximity scenarios. The research explores the security of 5G enabled D2D communications by conducting a comprehensive investigation on …
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Modeling, Analysis, and Real-Time Design of Many-Antenna MIMO Networks
… begin to emerge at the PHY layer, such as the rank-deficient channel phenomenon. This calls for new theories and models for many-antenna MIMO in a networking environment. In addition, the problem space for many-antenna MIMO systems is much broader and more challenging than conventional MIMO. …
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Scalable and Reconfigurable Optical Switches: From Network Design to System Application
… up to 1000 ports but is limited by the low tolerance to external disturbance and complex control panels. With the development of InP and silicon integrated platforms, mature optical components with thermo-optics, electro-optics and semiconductor optical amplifiers (SOAs) become promising …