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Dissertations / Theses on the topic '4G and long term evolution'

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Published: 4 June 2025
Last updated: 1 August 2025

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1

Martín-Sacristán, Gandía David. "3GPP Long Term Evolution: Performance Analysis and Evolution towards 4G with Coordinated Multi-Point Transmission." Doctoral thesis, Universitat Politècnica de València, 2016. http://hdl.handle.net/10251/63261.

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[EN] In today's information society, there is a growing need to access data communication services ubiquitously, with mobility and increasingly higher data rates. This society's demand has motivated the development of the fourth generation of mobile communications (4G) and its evolution towards the fifth generation (5G). This development has required a revolution on the radio interface of the mobile communications systems, and, consequently, has significantly modified their capabilities and their radio resource management. This is the case of the technology known as Long Term Evolution (LTE) a
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2

Deaton, Juan Diego. "Enabling Dynamic Spectrum Access in 4G Networks and Beyond." Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/77358.

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As early as 2014, mobile network operators' spectral capacity will be overwhelmed by the demand brought on by new devices and applications. To augment capacity and meet this demand, operators may choose to deploy a Dynamic Spectrum Access (DSA) overlay. Spectrum regulation is following suit, with regulators attempting to incorporate spectrum sharing through the design of spectrum access rules that support DSA. This dissertation explores the idea of DSA applied to Long Term Evolution Advanced (LTE+) networks. This idea is explored under functional, architectural, and spectrum policy aspects. Un
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Kanesan, Thavamaran. "The experimental design of radio-over-fibre system for 4G long term evolution." Thesis, Northumbria University, 2013. http://nrl.northumbria.ac.uk/13321/.

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The 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) is the potential key to meet the exponentially increasing demand of the mobile end users. The entire LTE network architecture and signal processing is carried out at the enhanced NodeB (eNB) level, hence the increased complexity and cost. Therefore, it is not efficient to deploy eNB for the purpose of extending the network coverage. As a solution, deployment of relay node (RN), with radio-over-fibre (RoF) acting as the interface between eNB and RN is proposed. Due to the high path loss and multipath fading, wireless interf
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Miguel, Edgard Cañari Quispe. "Sistema de ubicación para la mejora de la cobertura de estaciones base de trasmisión móvil de tecnología 4G." Bachelor's thesis, Universidad Continental, 2019. http://repositorio.continental.edu.pe/handle/continental/5167.

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La tecnología 4G LTE (acrónimo de Long Term Evolution) ha permitido incrementar la oferta y demanda de teléfonos inteligentes, duplicándose desde 3.7 millones en el 2015 a 8.6 millones para el 2017, esto genera el déficit de estaciones base de trasmisión (en inglés Base Transceiver Station (BTS)) ya que se requiere tener 7145 estaciones adicionales de tecnología 4G, siempre teniendo en consideración las restricciones técnicas del Ministerio de Trasportes y Comunicaciones (MTC). El objetivo de esta tesis fue el desarrollo de un prototipo para la ubicación geográfica de estaciones base de trasmi
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Radhakrishna, Rakesh. "Cross Layer Design for Video Streaming over 4G Networks Using SVC." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/22657.

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Fourth Generation (4G) cellular technology Third Generation Partnership Project (3GPP) Long Term Evolution (LTE) offers high data rate capabilities to mobile users; and, operators are trying to deliver a true mobile broadband experience over LTE networks. Mobile TV and Video on Demand (VoD) are expected to be the main revenue generators in the near future [36] and efficient video streaming over wireless is the key to enabling this. 3GPP recommends the use of H.264 baseline profiles for all video based services in Third Generation (3G) Universal Mobile Telecommunication System (UMTS) networks.
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Guo, Jianding. "Theoretical research on graph coloring : Application to resource allocation in device-to-device 4G radio system (LTE)." Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCA007/document.

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Le problème de coloration de graphe est un problème NP-complet particulièrement étudié, qui permet de modéliser de problèmes dans des domaines variés. Dans cette thèse, de nouveaux algorithmes exacts basés sur une étude de la structure du graphe sont proposés. Ce travail s'appuie sur l'algorithme « Total solutions Exact graph Coloring » (TexaCol) qui construit toutes les solutions en exploitant l'ensemble des cliques d'un graphe. Deux algorithmes exacts, « Partial best solutions Exact graph Coloring » (PexaCol) et « All best solutions Exact graph Coloring » (AexaCol), sont présentés ici pour c
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Izario, Bruno Rodrigues Ferraz. "Comparação do sistema LTE operando na faixa de 2,5 GHZ e 700 MHZ." Universidade Presbiteriana Mackenzie, 2015. http://tede.mackenzie.br/jspui/handle/tede/1461.

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Made available in DSpace on 2016-03-15T19:37:56Z (GMT). No. of bitstreams: 1 BRUNO FERRAZ IZARIO.pdf: 4620887 bytes, checksum: bd842cabfdadb0bcb55e0ea548c9fba5 (MD5) Previous issue date: 2015-08-28<br>The Long Term Evolution (LTE) system belongs to the 4th generation phone system. It is standardized by 3GPP and utilizes several technologies to improve the performance of data transmission. This permits flexibility for mobile devices, which enables a high data rate in the range of 50 Mbps to 100 Mbps, and admit access to various multimedia services. The study presents the results of deploying
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8

Cogalan, Tezcan. "Dense wireless network design and evaluation : an aircraft cabin use case." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31493.

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One of the key requirements of fifth generation (5G) systems is having a connection to mobile networks without interruption at anytime and anywhere, which is also known as seamless connectivity. Nowadays, fourth generation (4G) systems, Long Term Evolution (LTE) and Long Term Evolution Advanced (LTE-A), are mature enough to provide connectivity to most terrestrial mobile users. However, for airborne mobile users, there is no connection that exists without interruption. According to the regulations, mobile connectivity for aircraft passengers can only be established when the altitude of the air
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9

Grabner, Mitchell John James. "Practical Robust MIMO OFDM Communication System for High-Speed Mobile Communication." Thesis, University of North Texas, 2015. https://digital.library.unt.edu/ark:/67531/metadc799501/.

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This thesis presents the design of a communication system (PRCS) which improves on all aspects of the current state of the art 4G communication system Long Term Evolution (LTE) including peak to average power ratio (PAPR), data reliability, spectral efficiency and complexity using the most recent state of the art research in the field combined with novel implementations. This research is relevant and important to the field of electrical and communication engineering because it provides benefits to consumers in the form of more reliable data with higher speeds as well as a reduced burden on har
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Saeed, Asad, Habib Ur Rehman, and Muhammad Hassan Masood. "Performance Analysis and Comparison of Radio Propagation Models for Outdoor Environment in 4G LTE Network." Thesis, Blekinge Tekniska Högskola, Sektionen för ingenjörsvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-3241.

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The dissertation concerns about the path loss calculation of Radio Frequency (RF) propagation models for 4G Long Term Evolution (LTE) Network to prefer the best Radio Frequency propagation model. The radio propagation models are very significant while planning of any wireless communication system. A comparative analysis between radio propagation models e.g. SUI model, Okumura model, Cost 231 Hata Model, Cost 231-Walfisch Ikegami and Ericsson 9999 model that would be used for outdoor propagation in LTE. The comparison and performance analysis has been made by using different geological environm
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Garcia, Virgile. "Optimisation du partage de ressources pour les réseaux cellulaires auto-organisés." Phd thesis, INSA de Lyon, 2012. http://tel.archives-ouvertes.fr/tel-00838793.

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Cette thèse s'intéresse aux problèmes d'allocations des ressources et de puissance dans les réseaux cellulaires de quatrième génération (4G). Pour faire face à la demande continuellement croissante en débit des utilisateurs mobiles, les opérateurs n'ont d'autre choix que de densifier leurs infrastructures d'accès au réseau radio (RAN), afin de maximiser l'utilisation de la bande passante disponible dans l'espace. Un des défis de cette nouvelle architecture est la coexistence de nombreuses cellules voisines et la gestion des interférences co-canal qu'elles génèrent entre elles. De telles contra
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Li, Li. "Short-term and long-term evolution of lentiviruses." Thesis, University of Nottingham, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.575475.

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Lentiviruses have paradoxically fast short-term rate of evolution and slow long-term rate of evolution, which differ by several orders of magnitude. In this thesis, with a new method called truncated tree analysis, slower rates of evolution of transmitted viruses were estimated. However, the rate decline of the transmitted viruses is limited, and is not sufficient to explain the dramatic difference between the short-term and long-term evolutionary rates. These dramatically different rates were reconciled by an S shaped curve based on the new trend observed from this thesis. In the middle part
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Alotaibi, Sultan. "3GPP Long Term Evolution LTE Scheduling." Thesis, University of North Texas, 2013. https://digital.library.unt.edu/ark:/67531/metadc490046/.

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Future generation cellular networks are expected to deliver an omnipresent broadband access network for an endlessly increasing number of subscribers. Long term Evolution (LTE) represents a significant milestone towards wireless networks known as 4G cellular networks. A key feature of LTE is the implementation of enhanced Radio Resource Management (RRM) mechanism to improve the system performance. The structure of LTE networks was simplified by diminishing the number of the nodes of the core network. Also, the design of the radio protocol architecture is quite unique. In order to achieve high
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14

Deng, Qichen. "Antenna Optimization in Long-Term Evolution Networks." Thesis, KTH, Optimeringslära och systemteori, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-119147.

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The aim of this master thesis is to study algorithms for automatically tuning antenna parameters to improve the performance of the radio access part of a telecommunication network and user experience. There are four dierent optimization algorithms, Stepwise Minimization Algorithm, Random Search Algorithm, Modied Steepest Descent Algorithm and Multi-Objective Genetic Algorithm to be applied to a model of a radio access network. The performances of all algorithms will be evaluated in this thesis. Moreover, a graphical user interface which is developed to facilitate the antenna tuning simulations
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Hatter, Stuart James. "The long-term evolution of Montserrat volcanism." Thesis, University of Southampton, 2018. https://eprints.soton.ac.uk/420908/.

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This thesis investigates the long-term geochemical trends of volcanism on Montserrat and Guadeloupe, islands in the northern Lesser Antilles arc, through both their terrestrial and marine (from International Ocean Discovery Program core U1396C) records, to examine the processes driving geochemical evolution in island arcs. Detailed mapping of the Silver Hills, the least studied volcanic centre on Montserrat, reveals activity was dominated by andesite dome growth and collapse. New 40Ar/39Ar ages from terrestrial samples, combined with new palaeomagnetic and biostratigraphic ages of tephra layer
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Edström, Petter. "Overhead Impacts on Long-Term Evolution Radio Networks." Thesis, KTH, Kommunikationssystem, CoS, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-91991.

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As a result of the constant efforts to improve mobile system performance and spectral efficiency, the 3GPP standardization forum is currently defining new architectural and functional requirements that hope to ensure long-term evolution (specifically defined as the “Long-Term Evolution (LTE) concept”) and general future competitiveness of the 2G and 3G radio access technologies. Previous discussions on LTE efficiency have been focused on general assumptions on signaling overhead and overall system capacity, based on experience from existing mobile systems. However, as 3GPP standardization has
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Farrant, Andrew Roger. "Long-term Quaternary chronologies from cave deposits." Thesis, University of Bristol, 1995. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294897.

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Andrén, Filip. "Optimization of Random Access in 3G Long Term Evolution." Thesis, Linköpings universitet, Reglerteknik, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-20957.

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Before a mobile can commence services it needs to have access to a base station. The access method is often referred to as random access (RA). One way to measure the performance of the RA procedure is the access delay (AD) of the mobiles, where AD is the time from which a mobile wants to start a RA attempt until it has received access. There are different approaches to optimize the RA procedure. Manual optimization is possible but costly. Automated optimization is preferable because of the lower costs and the possibility to change configuration fast in the base station when the operational cond
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Horrillo-Caraballo, Jose M. "Investigation of the long-term evolution of offshore sandbanks." Thesis, University of Nottingham, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.422739.

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Earle, Alissa M. "Spectral mapping and long-term seasonal evolution of Pluto." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/117915.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 169-186).<br>NASA's New Horizons mission has provided a wealth of new data about the Pluto system, including detailed surface geology and volatile distribution maps revealing striking latitudinal and longitudinal variations. We begin by studying the methane distribution and surface colors using data from New Horizons' Ralph/MVIC instrument. From this study we find that Pluto's equatorial reg
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Guerra, Raimondo. "Images and evolution : long term change in the photographic industry." Thesis, University of Manchester, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.493891.

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The aim of this thesis is to unveil some of the dynamics that would/could help to better understand the source of innovation, in particular radical innovation. The work underlines the role of cognition in innovation dynamics. It goes beyond the usual dichotomy of supply push/demand pull innovation, positioning itself rather at a level above. The focus is on cognitive processes lying beneath innovation dynamics. These are often overlooked in innovation and management literature and this creates a bottleneck in between technological and social components of innovation.
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Higginson, Dawn M., Virginia Belloni, Sarah N. Davis, Erin S. Morrison, John E. Andrews, and Alexander V. Badyaev. "Evolution of long-term coloration trends with biochemically unstable ingredients." ROYAL SOC, 2016. http://hdl.handle.net/10150/620830.

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The evolutionarily persistent and widespread use of carotenoid pigments in animal coloration contrasts with their biochemical instability. Consequently, evolution of carotenoid-based displays should include mechanisms to accommodate or limit pigment degradation. In birds, this could involve two strategies: (i) evolution of a moult immediately prior to the mating season, enabling the use of particularly fast-degrading carotenoids and (ii) evolution of the ability to stabilize dietary carotenoids through metabolic modification or association with feather keratins. Here, we examine evolutionary l
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Beh, Kian Chung. "Resource allocation for the Long Term Evolution (LTE) of 3G." Thesis, University of Bristol, 2009. http://hdl.handle.net/1983/236d11bf-b663-415f-a250-927f15b5bae0.

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Long Term Evolution (LTE) is the next major step in mobile radio communications and is currently introduced as Release 8 in the 3rd Generation Partnership Project (3GPP). The new evolution aims to reduce delay, improve spectrum flexibility and further reduce the cost for operators and end users. In order to fulfil the target of achieving high throughput, LTE employs Orthogonal Frequency Division Multiplexing (OFDM) as the physical layer transmission technique in the downlink. OFDM is suitable for high data rate transmission in wideband wireless systems due to its spectral efficiency and good i
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Bogoni, Manuel. "Long-term evolution of meandering rivers flowing above heterogeneous floodplains." Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3424896.

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Floodplains, and rivers therein, constitute complex systems whose simulation involves modelling of hydrodynamic, morphodynamic, chemical, and biological processes which act, affecting each other, over a wide range of time scales (from days to centuries). Floodplain morphology and stratigraphy are shaped by the interplay of water flow, erosion, and deposition consequent to repeated flood events, as the river dissecting the floodplain evolves through feedbacks between bars, channels, vegetation and sediment characteristics shaping the floodplain itself. The first topic of this thesis concerns
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VERNUCCIO, Federica. "Long-term evolution of hepatocellular adenomas at MRI follow-up." Doctoral thesis, Università degli Studi di Palermo, 2021. http://hdl.handle.net/10447/478692.

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Background Hepatocellular adenomas (HCAs) are rare benign liver tumors. Guidelines recommend continued surveillance of patients diagnosed with HCAs, but these guidelines are mainly based on small studies or expert opinion. Purpose To analyze the long-term evolution of HCAs, including solitary and multiple lesions, and to identify predictive features of progression with MRI. Materials and Methods In a retrospective study, patients diagnosed with pathologically proven solitary or multiple HCAs between January 2004 and December 2015 were included; β-catenin-mutated HCAs and HCAs with foci of mali
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Back, István Henrik. "Commitment and evolution connecting emotion and reason in long-term relationships /." [S.l. : Groningen : s.n. ; University Library Groningen] [Host], 2007. http://irs.ub.rug.nl/ppn/304001333.

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Modarres, Razavi Sara. "Planning and Optimization of Tracking Areas for Long Term Evolution Networks." Doctoral thesis, Linköpings universitet, Kommunikations- och transportsystem, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-105924.

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Along with the evolution of network technologies, user’s expectations on performance and mobile services are rising rapidly. To fulfill the customer demands the operators are facing a great amount of network signaling overhead in terms of Location Management (LM), which tracks and pages User Equipments (UEs) in the network. Hence, sustaining a reliable and cost-efficient LM system for future mobile broadband networks has become one of the major challenges in mobile telecommunications. Tracking Area (TA) in Long Term Evolution (LTE), is a logical grouping of cells, that manages and represents t
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Van, der Merwe Rossouw. "Direction finding of long term evolution enabled handsets for monitoring applications." Diss., University of Pretoria, 2016. http://hdl.handle.net/2263/56118.

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Given the widespread adoption of cellular-phones, it can be assumed that the presence of a phone can predict with good certainty the presence of a human being. Therefore the location of phones in restricted areas can aid in anti-poaching, anti-smuggling, illegal immigration, and search-and rescue operations. There are numerous obstacles associated with regulations and policies which restrict the direct use of the cellular network, therefore the acquisition of a non-network cooperative (NNC) direction finding (DF) receiver system is required. This dissertation addresses the development of
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Zhang, Liang. "Network Capacity, Coverage Estimation and Frequency Planning of 3GPP Long Term Evolution." Thesis, Linköpings universitet, Reglerteknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-61273.

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The recent increase of mobile data usage and emergence of new applications such as Online Gaming, mobile TV, Web 2.0, Streaming Contents have greatly motivated the 3rd Generation Partnership Project (3GPP) to work on the Long Term Evolution (LTE). The LTE is the latest standard in the mobile network technology tree. It inherits and develops the GSM/EDGE and UMTS/HSPA network technologies and is a step toward the 4th generation (4G) of radio technologies designed to optimize the capacity and speed of 3G mobile communication networks. In this thesis, the LTE system capacity and coverage are inve
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Smith, Martin Lancaster, and martin smith@anu edu au. "Towards a Geochronology for Long-term Landscape Evolution, Northwestern New South Wales." The Australian National University. Research School of Earth Sciences, 2006. http://thesis.anu.edu.au./public/adt-ANU20061026.141414.

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The study area extends from west of the Great Divide to the Broken Hill and Tibooburra regions of far western New South Wales, encompassing several important mining districts that not only include the famous Broken Hill lodes (Pb-Zn-Ag), but also Parkes (Cu-Au), Peak Hill (Au), Cobar (Cu-Au-Zn) and White Cliffs (opal). The area is generally semi-arid to arid undulating to flat terrain covered by sparse vegetation. ¶ During the Cretaceous, an extensive sea retreated across vast plains, with rivers draining from the south and east. After the uplift of the Great Divide associated with opening o
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Jaffer, Navin. "Cyber security vulnerabilities during long term evolution power-saving discontinuous reception protocol." Thesis, Monterey, California: Naval Postgraduate School, 2014. http://hdl.handle.net/10945/42650.

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Approved for public release; distribution is unlimited<br>Long Term Evolution (LTE) is a wireless access communications network that consists of base stations called eNodeBs (eNBs), which allow connectivity between the mobile device or user equipment (UE) and the core network. To save battery power, the UE can turn off its radio transceiver circuitry, based on various parameters exchanged during the attach procedure with its serving eNB, using a protocol called discontinuous reception (DRX). During the DRX period, the UE is still connected to the network and its receiver is turned on periodica
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Olive, Jean-Arthur Louis. "Mechanical and geological controls on the long-term evolution of normal faults." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/97338.

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Thesis: Ph. D., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 173-186).<br>This thesis investigates the long-term evolution of rift-bounding normal faults. To first order, the observed diversity of extensional tectonic styles reflects differences in the maximum offset that can be accommodated on individual faults during their life span. M
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Kotte, Bhanu Teja. "Analysis and Experimental Verification of Diameter Attacks in Long Term Evolution Networks." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-190124.

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In cellular networks, the roaming interconnection was designed when there were only a few trusted parties and security was not a major concern or design criteria. Most of the roaming interconnections today are still based on the decades-old SS7 and the lack of security is being blamed for several vulnerabilities. Recent research indicates that the roaming interconnection has been widely misused for gaining access to the core network. Several attacks have been demonstrated by malicious attackers and other unauthorized entities such as intelligence agencies by exploiting the SS7 signaling protoc
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Flückiger, Remy. "Long-term evolution of myoblast seeded patches implanted of infarcted rat hearts /." [S.l.] : [s.n.], 2008. http://opac.nebis.ch/cgi-bin/showAbstract.pl?sys=000279092.

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Homkham, Nontiya. "Long-Term Evolution Of Lipids In Thai HIV-Infected Patients On Treatment." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS094.

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Le traitement par éfavirenz, un médicament antirétroviral, a été associé avec des changements de profil lipidique potentiellement défavorables. Ce travail a abordé la question de savoir si ces effets dépendent des concentrations plasmatiques d’éfavirenz et, dans ce cas, si sa posologie pourrait être optimisée sans perte d'efficacité.Un modèle de pharmacocinétique de population a été développé à partir de données d’enfants infectés par le VIH. La simulation d’une population normalisée sous éfavirenz aux posologies recommandées montre que 15 % des enfants auraient des concentrations insuffisante
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Smith, Martin Lancaster. "Towards a geochronology for long-term landscape evolution, Northwestern New South Wales /." View thesis entry in Australian Digital Theses Program, 2006. http://thesis.anu.edu.au/public/adt-ANU20061026.141414/index.html.

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Zhu, Tong. "Evolution of pyruvate kinase in the long-term evolution experiment of Escherichia coli: A structure/function study." Thesis, University of Canterbury. Biological Sciences, 2008. http://hdl.handle.net/10092/4429.

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This thesis examines Escherichia coli pyruvate kinase type 1 (PK1), a regulatory enzyme core to energy metabolism. Specifically, this thesis characterises a series of mutations in PK1 that were found when populations of E. coli were evolved in a glucose-limited environment for 20,000 generations. The gene pykF, which codes for the PK1 enzyme, was found to have developed nonsynonymous mutations in all replicate populations. Although the mutations at the nucleotide level were not the same (i.e. not parallel), it is not clear whether parallel adaptation exists at the protein structure/function le
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Ngwa, Victor Ngu. "Evolution of liver fibrosis during long-term experimental Schistosoma japonicum infection in pigs /." Uppsala : Dept. of Biomedicine and Veterinary Public Health, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/10425083.pdf.

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Lima, Henrique Valle de. "Alocação de recursos para redes LTE (Long Term Evolution) em bandas não-licenciadas." Universidade Federal de Goiás, 2018. http://repositorio.bc.ufg.br/tede/handle/tede/8999.

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Submitted by Luciana Ferreira (lucgeral@gmail.com) on 2018-10-25T12:55:35Z No. of bitstreams: 2 Dissertação - Henrique Valle de Lima - 2018.pdf: 6140413 bytes, checksum: 4bb41779722574af9e9b07103ad3ba20 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2018-10-25T13:11:28Z (GMT) No. of bitstreams: 2 Dissertação - Henrique Valle de Lima - 2018.pdf: 6140413 bytes, checksum: 4bb41779722574af9e9b07103ad3ba20 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Made a
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Hamdoun, Hassan. "Practical network coding schemes for energy efficient long term evolution radio access networks." Thesis, Swansea University, 2013. https://cronfa.swan.ac.uk/Record/cronfa42828.

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Onofri, Alice. "Una rassegna delle tecnologie wireless Long Term Evolution (LTE) per reti mobili cellulari." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/3167/.

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Alrowili, Mohammed F. H. "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." Thesis, University of Bradford, 2018. http://hdl.handle.net/10454/17322.

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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) standard. To satisfy this gap, the LTE-Advanced was introduced with additional network functionalities to meet up with the IMT-Advanced Standard. In addition, due to the need to minimize operational expenditure (OPEX) and reduce human interventions, the wireless cellular networks are required to be self-awar
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Gonzalez, Carla Sofia Dávila Soares. "Interpreting change in human-nature and long term social relationships." Doctoral thesis, FCT - UNL, 2010. http://hdl.handle.net/10362/5877.

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Dissertação apresentada para obtenção do Grau de Doutor em Ciências do Ambiente, pela Universidade Nova de Lisboa, Faculdade de Ciências e Tecnologia.<br>A conservação da biodiversidade, o desenvolvimento e a ciência modernos tiveram um impacto profundo nos sistemas humanos e naturais acoplados e na sua gestão. Os desafios que hoje se colocam a este nível em regiões moldadas no longo prazo pela presença humana, como é o caso do Mediterrâneo, são exemplo evidente das limitações criadas pela dicotomização entre economia e ecologia, humanos e natureza, conhecimento leigo e científico, práticas in
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Liao, Weinian 1970. "Evolution of the payments system and the long-term demand for money in Canada." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=85184.

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This dissertation starts by examining the evolution of the Canadian payments system from a historical perspective by reviewing the institutional evolution, as well as the development and adoption of some of the newest payment instruments. Two major trends in recent Canadian payment history are revealed, i.e., cash payments are being replaced by non-cash payments and paper-based payment instruments are being replaced by electronic payment instruments.<br>Next, we adopt a model proposed by Snellman et al. (2000) to conduct a Canadian study of the retail cash payment flows. The estimated r
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RIVA, FEDERICO. "DAMAGE-BASED LONG-TERM MODELLING OF PARAGLACIAL TO POSTGLACIAL EVOLUTION OF ALPINE ROCK SLOPES." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2017. http://hdl.handle.net/10281/153286.

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Large mountain slopes in alpine environments undergo a complex long-term evolution from glacial to postglacial environments, through a transient period of paraglacial readjustment. During and after this transition, the interplay among rock strength, topographic relief, and morpho-climatic drivers varying in space and time can lead to the development of different types of slope instability, from sudden catastrophic failures to large, slow, long-lasting yet potentially catastrophic rockslides. Understanding the long-term evolution of large rock slopes requires accounting for the time-dependence
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Cárdenas, Andrés L. "Paleobiological assessment of controls underlying long-term diversity dynamics." Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/4021.

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Deciphering the factors underlying both long-term patterns of diversity and taxonomic turnover rates (i.e., extinction, and origination) has been one of Paleobiology's major foci for the past three decades. The importance of documenting these components is that they will expand our ability to interpret and model the evolutionary processes underlying those trends, highlight the evolutionary impact of historical events, and contribute to the formulation of robust predictions about the future of global diversity in response to the current anthropologically driven environmental changes. Accordingl
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Mysore, Balasubramanya Naveen. "Enhancements to the long term evolution (LTE) standard for facilitating the Internet of things (IoT)." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/61727.

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The world is evolving towards an Internet of Things (IoT) where a large number of devices interact to realize different applications that constitute smart electricity grids, intelligent transportation systems, ubiquitous healthcare solutions, etc. Machine Type Communications (MTC) provide the substrate for the connectivity and service mechanisms of these devices. Many services associated with the MTC applications such as smart metering and location tracking require the cellular network as the backbone for communication and are instrumental in driving the growth of the Third Generation Partners
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Zheng, Yufan. "Serial MRI Analysis to Track Long-term Evolution of White Matter Lesions in Multiple Sclerosis." Cleveland State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=csu1495211969857372.

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Sawant, Uttara. "Evaluation of Call Mobility on Network Productivity in Long Term Evolution Advanced (LTE-A) Femtocells." Thesis, University of North Texas, 2017. https://digital.library.unt.edu/ark:/67531/metadc1062893/.

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The demand for higher data rates for indoor and cell-edge users led to evolution of small cells. LTE femtocells, one of the small cell categories, are low-power low-cost mobile base stations, which are deployed within the coverage area of the traditional macro base station. The cross-tier and co-tier interferences occur only when the macrocell and femtocell share the same frequency channels. Open access (OSG), closed access (CSG), and hybrid access are the three existing access-control methods that decide users' connectivity to the femtocell access point (FAP). We define a network performance
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Goberville, Eric. "Evolution décennale des zones côtières : forçages climatiques, forçages anthropiques." Thesis, Bordeaux 1, 2010. http://www.theses.fr/2010BOR14171/document.

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Ne couvrant que 8% de l’océan mondial mais offrant 85% des ressources marines exploitées, les systèmes côtiers sont d’importantes plaques tournantes d’échanges de matières et d’énergie, jouant un rôle capital dans les cycles biogéochimiques. De plus, ces milieux sont marqués par une forte hétérogénéité spatio-temporelle des facteurs environnementaux, contribuant ainsi à leur complexité. Au cours des dernières décennies, les changements globaux s'exerçant sur ces systèmes sont devenus si intenses, que la mise en place de réseaux d'observation à long-terme est devenue cruciale afin d'extraire le
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