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Dissertations / Theses on the topic 'LTER site'

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1

Al-Husseiny, Zeid. "Energy Efficient LTE Site Operation : with Antenna Muting and dynamic Psi-Omni." Thesis, Uppsala universitet, Signaler och System, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-229150.

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To allow access to the network at all times a base station has to continuously stay active. While being active, a base station does not usually transmit data constantly. Typically, the base stations either send out lots of data or barely anything at all, yet, the network is actively drawing power the whole time. Succeeding in lowering the power consumed when the data rate is often so low would therefore lead to great benefits, both economically and environmentally, as well as new prospects of innovation in engineering. The process of how to dynamically change from a capacity optimized mode to
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Blinovska, Maryna. "Live sports coverage delivery over LTE Broadcast to off-site audiences: : Handling stakeholders." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-150384.

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This thesis examines the needs and challenges of sports content delivery for differentstakeholders with a specific focus on media companies. The report begins with an overview of the technological aspects of the technology, previous attempts of mobile broadcasting and sports industry influence on technology uptake. An in-depth look at the sports content delivery value chain and market actors has been made, followed by an analysis of the infrastructure side of a media company based on Osterwalder’s business model canvas. The key takeaways from the interviews with market experts are presented fu
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Dupeyron, Mathilde. "Dynamique et évolution de deux lignées remarquables de rétrotransposons à LTR dans le genre Coffea (famille des Rubiacées)." Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTT128/document.

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Les éléments transposables (ET) sont des portions d’ADN capables de se déplacer et d’augmenter le nombre de leurs copies dans les génomes. Deux grands types de transposition, correspondant à deux grandes classes d’ET, sont retrouvés chez la quasi-totalité des génomes étudiés à ce jour. Les rétrotransposons à LTR (Long Terminal Repeats, LTR-RT), appartenant à la Classe 1, sont les composants majoritaires des génomes des plantes. Leur prolifération peut avoir un impact important sur l’organisation, la variation de taille, l’évolution des génomes et l’activité des gènes.Le café, largement consomm
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Janoušek, Václav, Christina M. Laukaitis, Alexey Yanchukov, and Robert C. Karn. "The Role of Retrotransposons in Gene Family Expansions in the Human and Mouse Genomes." OXFORD UNIV PRESS, 2016. http://hdl.handle.net/10150/621594.

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Retrotransposons comprise a large portion of mammalian genomes. They contribute to structural changes and more importantly to gene regulation. The expansion and diversification of gene families have been implicated as sources of evolutionary novelties. Given the roles retrotransposons play in genomes, their contribution to the evolution of gene families warrants further exploration. In this study, we found a significant association between two major retrotransposon classes, LINEs and LTRs, and lineage-specific gene family expansions in both the human and mouse genomes. The distribution and div
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Dalè, Federico. "Studio ed analisi di prestazioni di reti di UAV basate su tecnologia LTE side-link." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/22889/.

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Alla base di questa tesi vi è lo studio di UAVs (Unmanned Aerial Vehicles) Swarm Network che utilizzano LTE Side-Link per la comunicazione fra nodi. In particolare, si valutano le prestazioni di un sistema simulato con OMNeT++ con numero di UAVs variabile, che come tecnologia di comunicazione utilizza LTE Side-Link Mode 4. L'obbiettivo è quello di estendere questa tecnologia con il multi-hop e quindi abilitare la consegna di tutti i pacchetti creati dal mittente al destinatario che non si trova nel suo raggio di comunicazione diretto. Nella simulazione i nodi sono posizionati su una linea rett
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6

Nascimento, Eliza Fabricio de Melo Bellard do. "Distribuição de retrotansposons do tipo LTR e sequências de DNA ribossômico em cromossomos de genótipos diploides e tetraploides de Arachis spp. por hibridização in situ por fluorescência – FISH." reponame:Repositório Institucional da UnB, 2016. http://repositorio.unb.br/handle/10482/22191.

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Dissertação (mestrado)—Universidade de Brasília, Departamento de Botânica, Programa de Pós-Graduação em Botânica, 2016.<br>Submitted by Fernanda Percia França (fernandafranca@bce.unb.br) on 2016-12-05T12:10:51Z No. of bitstreams: 1 2016_ElizaFabriciodeMeloBellarddoNascimento.pdf: 1510859 bytes, checksum: f46e5594f50b95ae5eda3cd325437b0e (MD5)<br>Approved for entry into archive by Raquel Viana(raquelviana@bce.unb.br) on 2017-01-13T17:15:16Z (GMT) No. of bitstreams: 1 2016_ElizaFabriciodeMeloBellarddoNascimento.pdf: 1510859 bytes, checksum: f46e5594f50b95ae5eda3cd325437b0e (MD5)<br>Made availab
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Sultana, Tania. "L'influence du contexte génomique sur la sélection du site d'intégration par les rétrotransposons humains L1." Thesis, Université Côte d'Azur (ComUE), 2016. http://www.theses.fr/2016AZUR4133.

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Les rétrotransposons L1 (Long INterspersed Element-1) sont des éléments génétiques mobiles dont l'activité contribue à la dynamique du génome humain par mutagenèse insertionnelle. Les conséquences génétiques et épigénétiques d'une nouvelle insertion, et la capacité d'un L1 à être remobilisé, sont directement liées au site d’intégration dans le génome. Aussi, l’analyse des sites d’intégration des L1s est capitale pour comprendre leur impact fonctionnel - voire pathogène -, en particulier lors de la tumorigenèse ou au cours du vieillissement, et l’évolution de notre génome. Dans ce but, nous avo
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Sultana, Tania. "L'influence du contexte génomique sur la sélection du site d'intégration par les rétrotransposons humains L1." Electronic Thesis or Diss., Université Côte d'Azur (ComUE), 2016. http://theses.unice.fr/2016AZUR4133.

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Les rétrotransposons L1 (Long INterspersed Element-1) sont des éléments génétiques mobiles dont l'activité contribue à la dynamique du génome humain par mutagenèse insertionnelle. Les conséquences génétiques et épigénétiques d'une nouvelle insertion, et la capacité d'un L1 à être remobilisé, sont directement liées au site d’intégration dans le génome. Aussi, l’analyse des sites d’intégration des L1s est capitale pour comprendre leur impact fonctionnel - voire pathogène -, en particulier lors de la tumorigenèse ou au cours du vieillissement, et l’évolution de notre génome. Dans ce but, nous avo
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9

Cruz, Guilherme Marcello Queiroga. "Desvendando as interações entre retrotransposons e genomas vegetais, com ênfase em cana-de-açúcar." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/87/87131/tde-27012015-084619/.

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Esta tese é estruturada em dois capítulos. O primeiro capítulo explora os retrotransposons com LTR (LTR-RT) em cana-de-açúcar e grande parte de seus resultados foram publicados no artigo \'\'Analysis of plant LTR-retrotransposons at the fine-scale family level reveals individual molecular patterns\'\'. Nossos resultados mostraram que as diferentes famílias de LTR-RT em cana-de-açúcar possuem estruturas e regulação distintas. O segundo capítulo desta tese visa responder a perguntas que surgiram durante a primeira metade deste trabalho, mas ao invés de focar no genoma de uma planta optamos por t
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10

Looseley, Mark E. "A comparative investigation of nuclear DNA content and its phenotypic impacts in Silene marizii and S. latifolia." Thesis, St Andrews, 2008. http://hdl.handle.net/10023/455.

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Meyer, S. "Water quality in two small forested catchments in the Warra LTER site, Tasmania : source of colour and nutrient enrichment." Thesis, 2002. https://eprints.utas.edu.au/20890/1/whole_MeyerSven2002_thesis.pdf.

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Variations in water quality occur with changes in land use such as timber harvesting and land clearing for agriculture, and through natural environmental variations including vegetation, slope and geology. Water quality is regularly monitored by Forestry Tasmania to ensure streams and creeks maintain a healthy aquatic ecosystem. This research was conducted to investigate the source of natural elevated concentrations of colour, turbidity and associated nutrients observed in the pristine forested catchment of Warra Creek. A second catchment, Crystal Creek, was also studied and the comparison bet
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HSIEH, FU-SHENG, and 謝復盛. "Radio Optimization Strategy for LTE New Site Area." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/5v2hsu.

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碩士<br>國立宜蘭大學<br>電機資訊學院碩士在職專班<br>106<br>The existing telecommunication company provides the LTE network system, in view of the present market ,the user use handset data speed requirement susceptibility is unsatisfied, carries on the question discussion and the analysis of network optimization effectively, is not always add base station to strengthen the signal coverage signal covering continuously, bandwidth spread spectrum, you can achieve the optimization of network efficiency, must while increase the 4G base station , and further guarantees the newly built base station construction quality t
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13

Chuang, Tsung-Hsi, and 莊宗羲. "Intra-Site Multiuser CoMP for LTE-A Systems: An Antenna Selection Approach." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/91805796197569333998.

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碩士<br>國立交通大學<br>電信工程研究所<br>100<br>In conventional cellular network systems, the cell edge users are vulnerable to interference from neighboring cells. In order to deal with this problem, coordinate multipoint transmission/reception(CoMP) has been proposed in LTE-A system. Yet, in recent years, multiuser multiple- input-multiple output (MU-MIMO) has been well developed. The MU-MIMO technique allows the simultaneous transmission of multiple user signals in the same time at the same frequency band, and hence enhances the system performance effectively. Thus, LTE-A tries to integrate MU-MIMO and C
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14

Liao, Bin-Sung, and 廖炳松. "An Antenna-Selection-Based Solution for Intra-Site CoMP Transmission in LTE-A Systems." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/53596144688818493500.

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碩士<br>國立交通大學<br>電信工程研究所<br>99<br>It is known that in cellular systems, the users in cell edge suffer from the interference from interfering cells. In LTE/A, coordinated multipoint (CoMP) processing has been proposed to solve the problem. In CoMP, the transmit/receive signals of users in neighbor cells can be jointly processed such that interference can be either avoided or estimated as desired signals. In CoMP, antennas between involved users and basestations can form a large multiple-input-multiple-output (MIMO) system. Precoding in such system will require a large codebook which is not suppo
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Dama, Yousef A. S., Kelvin O. O. Anoh, Rameez Asif, et al. "RSSI and throughput evaluation of an LTE system using a distributed MIMO antenna with a site specific channel propagation model." 2013. http://hdl.handle.net/10454/9640.

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Yeh, Yu-Chia, and 葉育嘉. "Study of Phase Detection Techniques without Directly Sending Side information in LTE-A Uplink systems." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/85gf57.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>104<br>LTE-Advanced proposes carrier aggregation techniques which utilizes aggregated multiple carriers to increase the bandwidth and achieve high data rate. In practice, LTE-Advanced uplink systems adopt single carrier frequency division multiple access (SC-FDMA) which has a low Peak to Average Power Ratio (PAPR) characteristic. However, this characteristic will be lost as the number of aggregated carrier increasing. Therefore, we adopt the Partial Selected Mapping (PSLM) technique to reduce PAPR. PAPR will reduce by multiplying phase factor which represents as the
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17

Francis, Jobin. "Wideband Rate Adaptation and Scheduling in OFDM Cellular Systems : Modeling, Analysis, and Base Station Side Estimation." Thesis, 2017. http://etd.iisc.ac.in/handle/2005/4247.

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Current and next generation wireless cellular systems strive to maximize spectral efficiency and meet the increasing demand for higher data rates despite being severely constrained by the limited availability of spectrum. Rate adaptation and scheduling are two key enabling techniques to achieve these challenging goals. In the former, the modulation and coding scheme (MCS) are adapted as a function of the instantaneous channel conditions, while in the latter, the base station (BS) adapts the user to which it transmits to. While appealing, several practical challenges arise in implementing rate
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Kögler, Anja. "Diversity and Evolution of Short Interspersed Nuclear Elements (SINEs) in Angiosperm and Gymnosperm Species and their Application as molecular Markers for Genotyping." 2019. https://tud.qucosa.de/id/qucosa%3A72118.

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Short interspersed nuclear elements (SINEs) are small non-autonomous and heterogeneous retrotransposons, widespread in animals and plants and usually differentially propagated in related species resulting in genome-specific copy numbers. Within the monocots, the Poaceae (sweet grasses) is the largest and economically most important plant family. The distribution of 24 Poaceae SINE (PoaS) families, five of which showing a subfamily structure, was analyzed in five important cereals (Oryza sativa, Triticum aestivum, Hordeum vulgare, Sorghum bicolor, Zea mays), the energy crop Panicum virgatum an
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(5929793), Syed Rafiul Hussain. "A Systematic Framework For Analyzing the Security and Privacy of Cellular Networks." Thesis, 2020.

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<div>Cellular networks are an indispensable part of a nation's critical infrastructure. They not only support functionality that are critical for our society as a whole (e.g., business, public-safety message dissemination) but also positively impact us at a more personal level by enabling applications that often improve our quality of life (e.g., navigation). Due to deployment constraints and backward compatibility issues, the various cellular protocol versions were not designed and deployed with a strong security and privacy focus. Because of their ubiquitous presence for connecting billions
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