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 25 for “"Inter-cell interference."”.
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Inter-cell interference coordination in 5G ultra-dense networks
… has led to the dense deployment of cellular networks with aggressive frequency reuse patterns. The future Fifth Generation (5G) networks are expected to overcome capacity and throughput challenges by adopting a multi-tier architecture where several low-power Base Stations (BSs) are …
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Inter-cell interference mitigation in LTE-advanced heterogeneous mobile networks
… of mobile systems, by deploying small cells within the coverage of the ordinary Macro cells. The goals of deploying such networks are to offload data from the possibly congested Macro cells towards the small cells and to achieve enhancements for outdoor/ indoor coverage in a …
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Exploiting the ability of Self Organizing Networks for inter-cell interference coordination for emergency communications in cellular networks
… the current scenario, radio planning of wireless cellular networks and analysis of radio performance should be agile because it is expected that in the near future we will be reaching to the point where there will be as many mobile devices as people in the world. So, there should be a rapid …
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Resource allocation for multi-cell OFDMA based cooperative relay network
… systems. The fundamental idea is that intermediary nodes, called relay stations (RSs), who are neither the data source nor destination, are used to assist in communication between sender and receiver. In order to maximise their performance, networks which employ RSs require a new …
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Towards Efficient Network Management and Optimisation for Next-Generation O-RAN
… that demand sophisticated technological interventions. This doctoral research presents a comprehensive approach to enhancing \ac{RAN} performance through advanced machine learning techniques within the \ac{O-RAN} architectural framework, addressing fundamental challenges in modern …
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Mobility Management in 5G Heterogeneous Networks: A Handover Scheme for Reducing Handover Failures
Mobile/cellular communications have become very popular and advanced significantly in recent decades. Communications will inevitably evolve into the next generation of wireless communications, in which users will be connected via heterogeneous networks. Small cell (SC)-based ultra-dense …
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Performance Modelling and Analysis of a New CoMP-based Handover Scheme for Next Generation Wireless Networks. Performance Modelling and Analysis for the Design and Development of a New Handover Scheme for Cell Edge Users in Next Generation Wireless Networks (NGWNs) Based on the Coordinated Multi-Point (CoMP) Joint Transmission (JT) Technique
Inter-Cell Interference (ICI) will be one of main problems for degrading the performance of future wireless networks at cell edge. This adverse situation will become worst in the presence of dense deployment of micro and macro cells. In this context, the Coordinated Multi-Point (CoMP) technique was …
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LTE radio analytics made easy and accessible
Despite the rapid growth of next-generation cellular networks, researchers and end users today have limited visibility into the performance and problems of these networks. As LTE deployments move towards femto and pico cells, even operators struggle to fully understand the propagation and …
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Impact of actual interference on capacity and call admission control in a CDMA network.
… number of models in the literature use average inter-cell interference for the calculation of capacity of a Code Division Multiple Access (CDMA) network. The advantage gained in terms of simplicity by using such models comes at the cost of rendering the exact location of a user within a cell …
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Capacity and Throughput Optimization in Multi-cell 3G WCDMA Networks
… in the computation of the traffic density in a cellular network, which can be used to optimize the placement of base stations and radio network controllers as well as to analyze the performance of resource management algorithms towards meeting the final goal: the calculation and maximization of …
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Linear Precoding for Downlink Network MIMO Systems
… challenging. Attempt to design an effective cellular network has been receiving lots of attention and demand to serve more users in the network is increasing. Supporting more users cannot be achieved easily mainly due to multi-user interference. Cell collaboration, also known as downlink …
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DESIGN AND ANALYSIS OF COGNITIVE MASSIVE MIMO NETWORKS WITH UNDERLAY SPECTRUM SHARING
… but also to alleviating propagation losses and inter-user/inter-cell interference. Therefore, massive MIMO has been identified as one of the key candidate technologies for the 5th generation wireless standard. This dissertation thus focuses on (1) developing a performance analysis framework for …
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System Design and Performance Study for Wireless Information and Energy Transfer in the Internet of Things
… of physical objects are being connected to the Internet, shaping Internet of Things (IoT) as one of the most disruptive technologies that has ever been witnessed. This revolutionary technology, however, encounters the key challenge of sustainability. Wireless information and energy transfer …
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Scalable base station switching framework for green cellular networks
… (QoS), higher transmit power dissipation in off-cell mobile stations (MSs), an inability to rapidly power up/down equipment and finally, a failure to uphold regulatory requirements. In order to realise greener network designs which both maximise energy savings whilst guaranteeing QoS, innovative …
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Towards realisation of spectrum sharing of cognitive radio networks
… efficient communications, CRNs need to avoid interference to both Primary (licensee) Users (PUs), and among themselves (called self-coexistence). In this thesis, we focus on self-coexistence issues. Very briefly, the problems are categorised into intentional and unintentional interference. …
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SCHEDULING IN PACKET SWITCHED CELLULAR WIRELESS SYSTEMS
In cellular wireless networks where users have independent fading channels, throughput for delay tolerant applications has been greatly increased on the downlink by using opportunistic schedulers at the base station. These schedulers exploit the multiuser diversity inherent in cellular systems. An …
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Load balancing using cell range expansion in LTE advanced heterogeneous networks
… of spectrum, load balancing and improvement of cell edge coverage amongst others. However, these solutions have inherent challenges such as inter-cell interference and poor mobility management. In heterogeneous networks there is transmit power disparity between macro cell and pico cell tiers, …
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Spectrum sharing in next generation wireless communication networks
… frameworks and enabling spectrum sharing in cellular networks. Our work focuses on two main spectrum sharing frameworks: Spectrum Access System (SAS) in the U.S. and Licensed Shared Access (LSA) in Europe. We address the common and differing factors, then propose access and interference …
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Evaluating the effectiveness of Cooperative/Coordinated Multipoint (CoMP) LTE feature in uplink and downlink transmissions
… of the ratio of the received signal power to interference plus noise power (SINR). Inter-cell interference caused by neighbouring base stations (BSs) has been identified as one of the most severe problem towards the deployment of LTE technology as it can significantly deteriorate the …
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Improvement of 5G performance through network densification in millimetre wave band
… and low latency requirements stemmed from the Internet of Things (IoT) and Machine Type Communications (MTC) can only be met with radical changes to the network paradigm such as harnessing the millimetre wave (mmWave) band in Ultra-Dense Network (UDN). This thesis presents many challenges, …
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