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Relevant bibliographies by topics / Adaptive signal transmission / Dissertations / Theses

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Dissertations / Theses on the topic 'Adaptive signal transmission'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Moore, Philip John. "Adaptive digital distance protection." Thesis, City University London, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328244.

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2

Xie, Yongzhe. "On adaptive transmission, signal detection and channel estimation for multiple antenna systems." Diss., Texas A&M University, 2004. http://hdl.handle.net/1969.1/1058.

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This research concerns analysis of system capacity, development of adaptive transmission schemes with known channel state information at the transmitter (CSIT) and design of new signal detection and channel estimation schemes with low complexity in some multiple antenna systems. We first analyze the sum-rate capacity of the downlink of a cellular system with multiple transmit antennas and multiple receive antennas assuming perfect CSIT. We evaluate the ergodic sum-rate capacity and show how the sum-rate capacity increases as the number of users and the number of receive antennas increases. We

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3

Afifi, Mohammed Ahmed Melegy Mohammed. "TCP FTAT (Fast Transmit Adaptive Transmission): A New End-To- End Congestion Control Algorithm." Cleveland State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=csu1414689425.

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4

Žlebek, Lukáš. "Ekvalizace přenosového kanálu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-377143.

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This thesis describes a design of a simulation of transmission of digital information via communication system and equalization of communication function. The layout of communication channel with multiway transmission is described in following part. Next part is about hardware modulator which generate modulated signal which is transmitted via communication channel and after is sampled by A/D convertion card to computer, where is equalizated and demodulated in Simulink. In the last part of this thesis, there is proposal of the laboratory task and its sample solution.

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5

Onanchenko, Yevhen Leonidovych, Евгений Леонидович Онанченко, Євген Леонідович Онанченко та Р. А. Ткаченко. "Построение многоуровневых кодов при адаптивной передаче сигналов". Thesis, Изд-во СумДУ, 2008. http://essuir.sumdu.edu.ua/handle/123456789/4224.

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6

YE, Zi. "Traitement statistique de l'information et du signal pour l'internet des objets sous-marins." Thesis, Institut polytechnique de Paris, 2021. https://tel.archives-ouvertes.fr/tel-03179373.

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On assiste au développement des activités humaines liées au monde océanique, mais aucune norme n'a encore émergé pour l'Internet des objets appliqué aux objets autonomes marins. Bien qu'elle possède une bande passante limitée, l'onde acoustique est le seul moyen de communiquer sur des distances importantes et elle est donc utilisée par de nombreux systèmes sous-marins pour communiquer, naviguer ou déduire des informations sur l'environnement. Cela a conduit à une forte demande de réseaux sans fil qui nécessitent à la fois une bonne efficacité spectrale et énergétique avec la faible complexité

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7

Babel, Marie. "Compression d'images avec et sans perte par la méthode LAR (Locally Adaptive Resolution)." Phd thesis, INSA de Rennes, 2005. http://tel.archives-ouvertes.fr/tel-00131758.

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La diversité des standards actuels en compression d'images vise à la fois à proposer des schémas de codage efficaces et des fonctions de service adaptées à chaque type d'utilisation. Les travaux de cette thèse s'inscrivant dans ce contexte d'une telle compression, leur objectif majeur consiste en l'élaboration d'une méthode unifiée pour un codage avec et sans perte des images fixes et en séquences, intégrant des fonctionnalités avancées du type : scalabilité et représentation en régions hiérarchique, robustesse<br />aux erreurs. <br /><br />La méthode LAR (Locally Adaptive Resolution) de base

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8

Jirattigalachote, Amornrat. "Provisioning Strategies for Transparent Optical Networks Considering Transmission Quality, Security, and Energy Efficiency." Doctoral thesis, KTH, Optical Network Laboratory (ON Lab), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-94011.

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The continuous growth of traffic demand driven by the brisk increase in number of Internet users and emerging online services creates new challenges for communication networks. The latest advances in Wavelength Division Multiplexing (WDM) technology make it possible to build Transparent Optical Networks (TONs) which are expected to be able to satisfy this rapidly growing capacity demand. Moreover, with the ability of TONs to transparently carry the optical signal from source to destination, electronic processing of the tremendous amount of data can be avoided and optical-to-electrical-to-optic

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9

Sadeghi, Parastoo School of Electrical Engineering And Telecommunications UNSW. "Modelling, information capacity, and estimation of time-varying channels in mobile communication systems." Awarded by:University of New South Wales. School of Electrical Engineering And Telecommunications, 2006. http://handle.unsw.edu.au/1959.4/32310.

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In the first part of this thesis, the information capacity of time-varying fading channels is analysed using finite-state Markov channel (FSMC) models. Both fading channel amplitude and fading channel phase are modelled as finite-state Markov processes. The effect of the number of fading channel gain partitions on the capacity is studied (from 2 to 128 partitions). It is observed that the FSMC capacity is saturated when the number of fading channel gain partitions is larger than 4 to 8 times the number of channel input levels. The rapid FSMC capacity saturation with a small number of fading ch

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10

Lassami, Nacerredine. "Représentations parcimonieuses et analyse multidimensionnelle : méthodes aveugles et adaptatives." Thesis, Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2019. http://www.theses.fr/2019IMTA0139.

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Au cours de la dernière décennie, l’étude mathématique et statistique des représentations parcimonieuses de signaux et de leurs applications en traitement du signal audio, en traitement d’image, en vidéo et en séparation de sources a connu une activité intensive. Cependant, l'exploitation de la parcimonie dans des contextes de traitement multidimensionnel comme les communications numériques reste largement ouverte. Au même temps, les méthodes aveugles semblent être la réponse à énormément de problèmes rencontrés récemment par la communauté du traitement du signal et des communications numériqu

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11

Mavares, Terán Dimas. "Estimación de canal y selección adaptativa de código espacio-tiempo en sistemas de diversidad en transmisión." Doctoral thesis, Universidad de Cantabria, 2006. http://hdl.handle.net/10803/10662.

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Las técnicas de estimación de canal y de adaptación de la transmisión a las condiciones del entorno son temas de interés actual al estudiar la aplicación de técnicas de diversidad en transmisión en la tercera y cuarta generación de sistemas inalámbricos. En esta tesis se realiza un análisis del impacto del error de estimación de canal y la correlación en sistemas OFDM con diversidad en transmisión basados en codificación espacio-tiempo por bloques (STBC), se proponen técnicas de estimación de canal para estos sistemas y se propone una técnica de adaptación de la transmisión mediante la selecci

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12

Tan, Danny Kai Pin. "Signal Processing for Airborne Passive Radar : Interference Suppression and Space Time Adaptive Processing Techniques for Transmissions of Opportunity." Thesis, Supélec, 2012. http://www.theses.fr/2012SUPL0021/document.

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Le concept de radar passif aéroporté repose sur l’utilisation de plusieurs antennes réseau, disposées sur une plateforme en vue de couvrir un angle solide large de détection, en s’appuyant sur l’utilisation de signaux d’opportunité provenant d’émetteurs au sol. La détection aéroportée à partir de signaux d’opportunité est intéressante, notamment pour assurer l’autoprotection d’un avion ou d’un hélicoptère ; en revanche elle constitue un défi technique notamment en raison du niveau des signaux interférents, en provenance de l’émetteur et des trajets multiples indirects (le fouillis), bien supér

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13

Hamze, Mohamad. "Study of different SOA structures impact on the transmission of IMDD OOFDM signals." Thesis, Brest, 2015. http://www.theses.fr/2015BRES0026/document.

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Le travail de thèse porte sur une étude d'impact de différentes structures SOA sur la transmission optique de signaux OFDM modulés en intensité et reçus en détection directe (IMDD-OOFDM), dans le cadre des réseaux d'accès de nouvelle génération (σGPτσ). Dans la première partie du travail, nous avons d’abord validé expérimentalement la modélisation d’un RSτA sur une large plage d’utilisation. Ce modèle a ensuite été implémenté dans le cadre d'une plate-forme de co-simulation pour les systèmes de transmission IMDD-OOFDM et pour la conversion en longueur d'onde de signaux OOFDM avec une validatio

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14

Zanatta, Filho Danilo. "Novas tecnicas de processamento espaço-temporal em transmissão conciliando diversidade e beamforming." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/260848.

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Orientador: João Marcos Travassos Romano<br>Tese (doutorado) - Universidade Estadual de Campinas. Faculdade de Engenharia Eletrica e de Computação<br>Made available in DSpace on 2018-08-07T23:30:42Z (GMT). No. of bitstreams: 1 ZanattaFilho_Danilo_D.pdf: 1987916 bytes, checksum: be6038a70235bda4b62a193a0296ffb7 (MD5) Previous issue date: 2006<br>Resumo: O presente trabalho trata da utilização, em transmissão, de um arranjo de antenas na estação rádio-base de um sistema de comunicação celular. Na recepção, as soluções para explorar o arranjo são atualmente bem estabelecidas na literatura. Por

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15

Kuo, Chun-An, and 郭峻安. "Adaptive Transmission for Compressive-Sensing-Based Signal in Wireless Networks." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/45338900375900804510.

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碩士<br>國立交通大學<br>電子工程學系電子研究所<br>101<br>We propose an optimal bit-length of measurements for devices that leverages the theory of compressive sensing (CS) to achieve high efficiency and save the energy of devices. Beyond the 4G communication, the CS is one of the potential techniques to further enhance sensor network performance. The proposed optimal measurements of CS exploit the sparse property and l_1-minimization decoding operation that only a relatively small number of measurements are required to be received and no retransmission is necessary. With the target probability of overflow, thos

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16

"New adaptive transmission schemes for MC-CDMA systems." 1999. http://library.cuhk.edu.hk/record=b5889950.

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by Yin-Man Lee.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 1999.<br>Includes bibliographical references (leaves 82-[87]).<br>Abstracts in English and Chinese.<br>Chapter 1 --- Introduction --- p.1<br>Chapter 1.1 --- Overview of MC-CDMA --- p.1<br>Chapter 1.2 --- System Model --- p.3<br>Chapter 1.3 --- Receiver Optimization --- p.7<br>Chapter 1.4 --- Transmitter Optimization --- p.9<br>Chapter 1.5 --- Nonlinearly Constrained Optimization --- p.10<br>Chapter 1.6 --- Outline of Thesis --- p.11<br>Chapter 2 --- Centralized Transmitter Optimization for MC-CDMA Systems --- p.13<br

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17

Kalansuriya, Prasanna. "Rate adaptive transmission in cooperative networks." Master's thesis, 2009. http://hdl.handle.net/10048/553.

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Thesis (M. Sc.)--University of Alberta, 2009.<br>Title from PDF file main screen (viewed on Sept. 4, 2009). "A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Master of Science in Communications, Department of Electrical and Computer Engineering, University of Alberta." Includes bibliographical references.

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18

Wang, Sheng-Shan, and 王聖善. "Adaptive Multi-hop Transmission for Wireless Sensor Networks Based on Received Signal Strength." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/86221979718121668935.

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碩士<br>國立臺北大學<br>資訊工程學系<br>103<br>Wireless sensor network has low energy consumption, low cost, light and other features. And it is equipped with a simple sensing, computing and wireless transmission components can be combined in a variety of device for environmental monitoring. However, the wireless sensing device has limited hardware resources so it is susceptible to interference signal of the antenna caused by the environment that make the data delivering rate decrease. Therefore, this paper proposes a mechanism which sender can dynamically adjust their amount of data transfer with sensing t

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19

Ti-ChenTsai and 蔡滌塵. "Applying the Cell Transmission Model and Estimated Turning Proportions for Adaptive Signal Control Logic." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/19734545490988969587.

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碩士<br>國立成功大學<br>交通管理學系碩博士班<br>101<br>Traffic signal control has become the most important issue in urban traffic management. Traffic congestion occurs when pre-timed signal control could not meet the actual demand, such as inappropriate signal timing or discontinued phases in arterials. Adaptive signal control logic obtains traffic flow data from vehicle detectors. According to the traffic prediction model and control logic, adaptive control calculates optimal signal decisions which could reduce delay and stops. This research has developed three models from Taiwanese adaptive control logic cal

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20

Chih-WeiYeh and 葉志韋. "An Enhanced Cell Transmission Model for Establishing an Adaptive Signal Control Logic under Mixed Traffic Flow Conditions." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/t65txx.

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碩士<br>國立成功大學<br>交通管理科學系<br>102<br>This research is to develop an adaptive signal control logic under mixed traffic flow conditions. There are two objectives: (1) develop a traffic prediction model under mixed traffic flow condition which is proper to adaptive signal control logic, (2) Measure the performance of the adapative signal control logic. The traffic prediction model is called enchanced cell transmission model (enhanced CTM) developed by observing both real vehicle driving behavior and simulation result in VISSIM software. This model fits some traffic condition such as permissive motor

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21

Song, Lixing. "Adaptive wireless rate control driven by highly fine-grained channel assessment." 2014. http://liblink.bsu.edu/uhtbin/catkey/1749603.

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Access to abstract permanently restricted to Ball State community only.<br>Background : a survey for rate adaptation -- ABEP metric and channell assessment -- ABEP-based adaptive rate control -- Performance evaluation.<br>Access to thesis permanently restricted to Ball State community only.<br>Department of Computer Science

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22

HSIAO, CHING-YAO, and 蕭景耀. "Adaptive Wi-Fi Multi-hop Transmission Model Based on Received Signal Strength for Industrial Long Distance Wireless Communications." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/29907066020906427910.

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碩士<br>國立臺北大學<br>資訊工程學系<br>104<br>The Industry 4.0 concept raises control demands of industrial software applications so reliable transmissions are desirable. Compared with wired networks, wireless networks provide flexibility of machine arrangements, additional safety distances of hazard operations. While applying Wi-Fi into industrial wireless networks, the problems of unstable wireless transmissions and insufficient transmission distance should be well addressed. This paper proposes a reliable Wi-Fi transmission model to adjust transmission intervals according to Received Signal Strength Ind

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