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.
Results
Showing 1 to 20 of 55 for “"Multi-cell"”.
-
Interference management in cooperative multi-cell networks
In multi-cell networks where resources are aggressively reused, eliminating<br/>interference is the key factor to reduce the system energy consumption.<br/>This thesis proposes interference management techniques based on beamforming<br/>with different levels of cooperation amongst base stations …
-
The Grillage Analysis of Multi-Cell Steel Structures
… method for predicting the behaviour of steel multi-cell structures. Simply supported, straight and skew structures will be considered subjected to a variety of loading conditions. The proposed analysis can be achieved using a low cost micro-computer, and it is considered that the method will …
-
Estimating Cell Capacity for Multi-Cell Electrical Energy System
<p>A Multi-Cell Electrical Energy System is a set of batteries that are connected in series. The series batteries provide the required voltage necessary for the contraption. After using the energy that is provided by the batteries, some cells within the system tend to have a lower voltage than the …
-
Coordinated multicast beamforming for multi-cell massive MIMO systems
… thesis, we consider the efficient coordinated multi-cell multicast beamforming design in massive massive multiple-input multiple output (MIMO) cellular networks. For the problem that aims to minimize the base station transmit power, we obtain the optimal multicast beamforming solution …
-
Resource allocation for multi-cell OFDMA based cooperative relay network
… cases, impractical assumptions such as; inter-cell interference (ICI) free and full availability of channel state information (CSI) were considered. However, the need for more robust, fair and practical resource allocation algorithms motivated us to study the resource allocation algorithm for …
-
Low complexity multicast beamforming in massive MIMO multi-cell networks
In this thesis, we consider downlink multicast beamforming in massive multi-input multi- output (MIMO) multi-cell networks. Both non-cooperative and cooperative beamforming scenarios are considered. For the non-cooperative scenario, aiming at maximizing the minimum signal-to-interference-plus-noise …
-
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 …
-
Performance Evaluation of Scalable Multi-cell On-Demand Broadcast Protocols
… data broadcasting to be synchronized in all cells of a defined core network area. LTE 4G also enables single-cell broadcast scheme in which data broadcasting is taking place independently in every cell. In this thesis, besides SFN or single-cell broadcast transmission, a hybrid broadcast …
-
Exploiting Multi-Cell Type Cultures to Elucidate Tumor Cell Features That Impact Macrophage Phenotype
… and women. Lung cancer is divided into non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC) which represent 80-85% and 15-20% of cases, respectively. My dissertation project focused on understanding how to model the interactions between lung cancer cells, fibroblasts and immune …
-
Investigation of a SPH-based sub-cell homogenization for PHWR using a multi-cell model
… computer codes. Previous work found that single-cell SPH applied to Pressurized Heavy Water Reactors (PHWR) yields virtually no improvement compared to single-cell standard homogenization. This work attempts to improve those results by accounting for neutron leakage across cell boundaries by …
-
Dynamic Coordination Architecture and Mobility Management for Next Generation Cooperative Cellular Networks
The fundamental challenges of existing cellular wireless networks are the exponential demand of mobile data traffic, higher data rates, massive numbers of user-coverage and lower latency. Moreover, the next generation of wireless cellular networks also consider potential use cases, such as …
-
Piezoelectric micro-machined ultrasonic transducers for medical imaging
… with the development of an effective single cell model that is further scaled to optimize multi-cell elements in a 1D array. In the first half of this work, a transverse mode, lead zirconate titanate (PZT) pMUT plate cell is fabricated using common micro-fabrication techniques and a PZT …
-
Radio Resource Allocation in Wireless OFDM Systems
… and power allocation (SBPA) problem in single-cell and multi-cell OFDMA systems which can be formulated as mixed integer nonlinear programming (MINLP) is generally highly complex. We proposed methods to convert MINLP to binary linear programming (BLP) which are linear and much easier to solve. …
-
Investigation of MOS-Gated Thyristors and Power Diodes
… bipolar transistor (IGBT) at two levels: unit-cell and multi-cell. The investigation of the unit-cell level focuses on the tradeoff between the on-state voltage drop, the turn-off loss, and the RBSOA characteristic. The investigation of the multi-cell level reveals the fundamental difference …
-
DESIGN AND ANALYSIS OF COGNITIVE MASSIVE MIMO NETWORKS WITH UNDERLAY SPECTRUM SHARING
Recently, massive multiple-input multiple-output (MIMO) systems have gained significant attention as a new network architecture to not only achieving unprecedented spectral and energy efficiencies, but also to alleviating propagation losses and inter-user/inter-cell interference. Therefore, massive …
-
A reduced order systems approach to prediction of emergent behaviors of biological systems
… biology and tissue engineering is how cells organize to form complex structures characterized by tissues, organs and whole organisms. The coordination of cells to form complex structures is facilitated by their communication via the surrounding gel (or extracellular matrix) where they …
-
Novel Lateral MOS Controlled Power Devices and Technologies for Power Integrated Circuits
… as the LIGBT, LEST, LTIGBT, DP-LEST, and novel multi-channel lateral MOS power devices. This open base anode exhibits a considerable reduction in the turn-off time and no significant effect on the on-state performance. The turn-off time of the fast switching LIGBT is about one order lower than …
-
Adaptively Predictive Clustering of Mimo Beamforming Considering Co-Channel Interference in Time Varying Wireless Channel
… example, results have been reported for MIMO (Multiple Input Multiple Output), spatial and temporal multiplexing, channel diversity, and power and direction controlled beamforming.</p><p>In this research, we discuss issues associated with clustered cells, like the ones we see in today's …
-
Cadherin-Mediated Cell-Cell Interactions Regulates Phenotype And Morphology of Nucleus Pulposus Cells Of The Intervertebral Disc
<p>Juvenile nucleus pulposus (NP) cells of the intervertebral disc (IVD) are large, vacuolated cells that form cell clusters with numerous cell-cell interactions. With maturation and aging, NP cells lose their ability to form these cell clusters, with associated changes in NP cell phenotype, …
Page 1 of 3