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Rozprawy doktorskie na temat „WiMAX”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Муліна, Наталія Ігорівна, Наталия Игоревна Мулина, Nataliia Ihorivna Mulina, and O. P. Ostapenko. "Wimax." Thesis, Видавництво СумДУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/18431.

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Yasir, Mukhtar Muhammad, and Badar Munir Kamal. "Issues In WiMax Handover." Thesis, Blekinge Tekniska Högskola, Sektionen för ingenjörsvetenskap, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-1209.

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WiMax, the Worldwide Interoperability for Microwave Access is a new technology dealing with provision of data over long distance using wireless communication method in many different ways. Based on IEEE 802.16 WiMax is claimed as an alternative broadband rather than cable and DSL. In our thesis study we will findout the phenomenon and factors involved in WiMax handover and their effect on overall quality of service. We also intend to look into the solutions possible for those problems effecting WiMax QoS in handover. Handover is the main theme of wireless technolgy and it makes interoperabilit

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Булашенко, Андрій Васильович, Андрей Васильевич Булашенко, Andrii Vasylovych Bulashenko та Ф. Ф. Дубровка. "Анализ возможностей стандарта WIMAX". Thesis, Сумской государственный университет, 2012. http://essuir.sumdu.edu.ua/handle/123456789/29270.

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WiMAX (Worldwide Interoperability for Microwave Access) - это коммерческое “имя” стандарта беспроводной связи 802.16 поддержанного известной промышленной группой. При цитировании документа, используйте ссылку http://essuir.sumdu.edu.ua/handle/123456789/29270

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Díaz, Meza Gonzalo Alejandro. "Troubleshooting para Tecnologías de Acceso Emergentes." Tesis, Universidad de Chile, 2006. http://repositorio.uchile.cl/handle/2250/104448.

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Esta memoria tiene como objetivo general crear esquemas de troubleshooting para tecnologías de acceso, en particular, para la tecnología Ethernet y para WiMAX, que corresponde a una tecnología inalámbrica que está entrando en el mercado como una buena alternativa para los proveedores de servicios. Para complementar el trabajo en WiMAX se estudian distintos tipos de enlaces inalámbricos, en donde las fallas son similares sobre todo en la capa física.

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Arshad, Awan Muhammad. "WiMAX Traffic Calculations in WRAP." Thesis, Department of Computer and Information Science, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-19941.

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<p>The aim of the thesis is to develop and describe WRAP’s capabilities in handling the WiMAX standard as defined in IEEE 802.16e related to traffic capacity calculations. WRAP International has developed the software WRAP for spectrum management and radio network planning. WRAP includes various technical calculation functions that are applied for design and analysis tasks with the purpose of achieving the desired quality of service within radio communication networks, navigation and radar systems. WRAP already includes functions for radio wave calculations to establish for instance coverage;

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Sandhu, Waseem Hussain, and Muhammad Awais. "MULTIPLE ANTENNA TECHNIQUES IN WiMAX." Thesis, Blekinge Tekniska Högskola, Sektionen för ingenjörsvetenskap, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-1120.

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Now-a-days wireless networks such as cellular communication have deeply affected human lives and became an essential part of it. The demand to buy high capacity and better performance devices and cellular services has been rapidly increased. There are more than two hundred different countries and almost three billion users all over the world which are using cellular services provided by Global System for Mobile (GSM), Universal Mobile Telecommunication System (UMTS), Wireless Local Area Network (WLAN) and Worldwide Interoperability for Microwave Access (WiMAX). In the past decade, one antenna

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Shabbir, Noman, and Hasnain Kasif. "Radio Resource Management in WiMAX." Thesis, Blekinge Tekniska Högskola, Avdelningen för signalbehandling, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-1227.

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Today, different types of cellular networks are actively working on the radio links. For instance, the Global System for Mobile Communication (GSM) is being used in nearly two hundred countries and currently it has around two and half billion users all over the world. Universal Mobile Telecommunication System (UMTS) is currently deployed in many countries and it is providing increased data rates, coverage and mobility as compared to GSM. Wireless Local Area Networks (WLAN) are very famous when we have a small area and none real time services. Worldwide Interoperability for Microwave Access (Wi

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Ho, Kenneth T. "Uplink channel estimation in WiMAX." College Park, Md. : University of Maryland, 2008. http://hdl.handle.net/1903/8214.

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Thesis (M.S.) -- University of Maryland, College Park, 2008.<br>Thesis research directed by: Dept. of Electrical and Computer Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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Dziyauddin, Rudzidatul Akman. "Quality of service in WiMAX networks." Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.556715.

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Quality of Service (QoS) and performance issues relating to WiMAX are the key research areas investigated within this thesis. Scheduling and downlink (DL) resource allocation techniques are proposed to develop the QoS in WiMAX since the WiMAX standard does not specify which types of scheduling and DL resource allocation schemes can be employed. An investigation of the WiMAX system using a single antenna and multiple antenna techniques, Space Time Block Code (STBC) 2x2 and Spatial Multiplexing (SM) 2x2, is performed to understand how these transmission schemes are able to improve the system per

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Moraes, Leonardo Bastos. "Antenas impressas compactas para sistemas WIMAX." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/3/3142/tde-26122013-161125/.

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Alcançar altas taxas de dados em comunicações sem fio é difícil. Altas taxas de dados para redes locais sem fio tornou-se comercialmente um sucesso por volta do ano de 2000. Redes de longa distância sem fio ainda são projetados e utilizados principalmente para serviços de voz em baixas taxas. Apesar de muitas tecnologias promissoras, a realidade de uma rede de área ampla que atenda muitos usuários com altas taxas de dados e largura de banda e consumo de energia razoáveis, além de uma boa cobertura e qualidade no serviço ainda é um desafio. O objetivo do IEEE 802.16 é projetar um sistema de com

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Nguyen, Huu Quynh. "Réseaux sans fils hybrides WiFi-WiMax." Paris, ENST, 2008. http://www.theses.fr/2008ENST0068.

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Dans le contexte du développement des technologies sans fils, la technologie IEEE 802. 11a connu un vif succès sous le nom commercial de WiFi. Les nouveaux standards IEEE 802. 16 récemment publiés donnent naissance à une technologie nommée WiMax encore plus performante que le WiFi en terme de capacité et de couverture. Afin d'introduire une nouvelle technologie sans fils sur le marché, l'approche des réseaux hybrides est prometteuse. Cette approche attire l'attention autant du côté académique que du côté industriel car elle permet de combiner les avantages des deux technologies WiFi et WiMax,

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Ogunleye, Babatunde Samuel. "WiMAX spectrum virtualization and network federation." Doctoral thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/27011.

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Spectrum management in wireless broadband networks as regards its cost and its efficient usage has posed a huge challenge for mobile network operators. Traditionally, network operators had exclusive rights to access the band of spectrum allocated to them, but with the high price of spectrum license, it is becoming necessary to find alternative ways to use and access spectrum more efficiently. Resource virtualization is a method which has been extensively adopted in hardware computing for creating abstract versions of physical hardware resources and it has proven to be a powerful technique for

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Melo, Márcio Daniel Tavares de. "Desempenho de redes WiMAX com mobilidade." Master's thesis, Universidade de Aveiro, 2008. http://hdl.handle.net/10773/1989.

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Mestrado em Engenharia Electrónica e Telecomunicações<br>Com a crescente evolução das tecnologias sem fios e a grande necessidade de estarmos sempre on(line) em qualquer lugar veio culminar com o desenvolvimento de uma nova norma a IEEE802.21, pelo grupo IEEE. Esta norma visa optimizar os handovers entre as diferentes tecnologias através de mecanismos e de eventos normalizados, com o objectivo de tornar as diferentes tecnologias transparentes para as camadas superiores. Esta dissertação apresenta mecanismos de mobilidade independentes entre algumas tecnologias sem fios, em especial a tecnologi

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Matos, Ricardo Jorge Magalhães de. "Suporte de mobilidade em redes WIMAX." Master's thesis, Universidade de Aveiro, 2008. http://hdl.handle.net/10773/1992.

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O desenvolvimento crescente da Internet, com novos serviços e aplicações que requerem elevadas exigências a nível de qualidade de serviço, como por exemplo, o VoIP e IPTV, a crescente necessidade de um utilizador estar sempre contactável em qualquer sítio e a qualquer momento, torna necessária a integração actual da Internet com as redes móveis da próxima geração. A tecnologia IEEE 802.16 surge como uma tecnologia de banda larga sem fios que pode ter um papel fundamental num ambiente de próxima geração. Devido aos seus baixos custos de instalação e à possibilidade de chegar facilmente a zonas

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Monteiro, João Diogo Mamede. "Quality of service in WiMAX networks." Master's thesis, Universidade de Aveiro, 2008. http://hdl.handle.net/10773/2029.

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Mestrado em Engenharia Electrónica e Telecomunicações<br>O acesso à banda larga é um requisito importante na actualidade para satisfazer os utilizadores em termos de novas aplicações e serviços em tempo real. O WiMAX, como tecnologia sem fios para áreas metropolitanas, prometendo cobrir uma maior superfície e com maior débito, é uma tecnologia promissora para as redes de próxima geração. No entanto um requisito importante para a instalação e massificação desta tecnologia é o seu comportamento a nível de qualidade de serviços e garantia aos utilizadores do cumprimento eficiente dos requisitos d

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Araújo, Marco Paulo Viegas. "Planeamento e dimensionamento de redes WIMAX." Master's thesis, Universidade de Aveiro, 2008. http://hdl.handle.net/10773/1993.

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Mestrado em Engenharia Electrónica e Telecomunicações<br>O mundo das telecomunicações encontra-se em constante evolução. Perante um mundo cada vez mais globalizado, cabe às telecomunicações a missão de aproximar pessoas que se encontram espalhadas pelo mundo. Quando outrora existiam os telefones fixos (que já em si faziam uma diferença abismal na vida das pessoas), agora temos computadores com Internet o que permite a comunicação com pessoas no outro lado do planeta através de um simples clique no rato, aumentando a eficiência e diminuindo custos. No entanto as pessoas cada vez são mais exigen

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Costa, André Amaral. "Assessing WiMAX for vehicular communications applications." Master's thesis, Universidade de Aveiro, 2008. http://hdl.handle.net/10773/1952.

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Mestrado em Engenharia Electrónica e Telecomunicações<br>Os acidentes rodoviários têm um enorme impacto na sociedade, quer devido às perdas humanas daí resultantes quer devido aos custos económicos a si associados. Por todo o mundo, esta situação levou ao estudo de mecanismos que permitem aumentar a segurança nas estradas. Por exemplo, na Europa estão a ser financiados vários projectos para desenvolver estes mecanismos e a maior parte das iniciativas em curso requerem a possibilidade dos veículos comunicarem entre si e/ou com estações que se encontram fixas junto à estrada. Devido aos requisit

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Kleynhans, Waldo. "On channel estimation for mobile WiMAX." Diss., Pretoria : [s.n.], 2008. http://upetd.up.ac.za/thesis/available/etd-01262009-102433/.

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Soundararajan, Srivathsan Agrawal Prathima. "Scheduling in WiMAX based wireless networks." Auburn, Ala, 2008. http://hdl.handle.net/10415/1449.

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Nsoh, Stephen Atambire. "Resource allocation in WiMAX mesh networks." Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Mathematics and Computer Science, c2012, 2012. http://hdl.handle.net/10133/3371.

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The IEEE 802.16 standard popularly known as WiMAX is at the forefront of the technological drive. Achieving high system throughput in these networks is challenging due to interference which limits concurrent transmissions. In this thesis, we study routing and link scheduling inWiMAX mesh networks. We present simple joint routing and link scheduling algorithms that have outperformed most of the existing proposals in our experiments. Our session based routing and links scheduling produced results approximately 90% of a trivial lower bound. We also study the problem of quality of service (QoS) pr

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Gulzar, Muhammad Atif, Rashid Nawaz, and Devendra Thapa. "Implementation of MIMO-OFDM System for WiMAX." Thesis, Linnéuniversitetet, Institutionen för datavetenskap, fysik och matematik, DFM, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-12221.

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Error free transmission is one of the main aims in wireless communications. With the increase in multimedia applications, large amount of data is being transmitted over wireless communications. This requires error free transmission more than ever and to achieve error free transmission multiple antennas can be implemented on both stations i.e. base station and user terminal with proper modulation scheme and coding technique. The 4th generation of wireless communications can be attained by Multiple-Input Multiple-Output (MIMO) in combination with Orthogonal Frequency Division Multiplexing (OFDM)

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Tukkensæter, Brage Rønning. "User Friendly Access Solutions for Mobile WiMAX." Thesis, Norwegian University of Science and Technology, Department of Telematics, 2009. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9909.

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<p>Today, WiMAX networks are deployed several places worldwide. To get access to these networks, users have to buy equipment specialized for one operator with a subscription. User equipment has earlier been stationary or mounted, but with the Mobile WiMAX amendment, smaller receivers are made possible. Mobile WiMAX allows users to move between different operators, making user access and roaming a more challenging task. In this thesis, several Mobile WiMAX access solutions are discussed, emphasizing security and user friendliness. A captive portal solution is developed, and an EAP-TTLS (Extens

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Isa, Azmi Awang Md. "Enhancing location estimation accuracy in WiMAX networks." Thesis, Lancaster University, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.618335.

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Due to the ever increasing demand for new services and applications, wireless broadband communications is becoming even more popular since users have been provided with an "anywhere any time" type of service. Mobile worldwide interoperability for microwave access (WiMAX) provides mobile broadband connectivity and some essential applications, including location and positioning (L&P) for mobile users. In this thesis, we have utilised some of the features offered by WiMAX, including multiple input multiple output (MIMO) and beamforming, to improve the location estimation accuracy of location serv

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Tsitserov, Dmitry Vladimirovich. "Efficient video traffic distribution over WiMAX systems." Thesis, Lancaster University, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.664459.

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This thesis is dedicated to the development and practical verification of a new video traffic distribution technique for implementation in WiMAX systems. The proposed technique is applicable to M-health and video surveillance application areas and allows for better system resource optimization under the selected case study scenarios. The presented technique incorporates scalable video transmission of MPEG-originated elementary streams, a cross-layer delivery framework and the WiMAX MAC layer enhancement. Video segmentation is achieved through a separate transmission of elementary streams assoc

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Robalo, Daniel Luís Silveira. "Planeamento, desenvolvimento e optimização de redes WiMAX." Master's thesis, Universidade da Beira Interior, 2008. http://hdl.handle.net/10400.6/3829.

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Esta dissertação aborda o planeamento de redes de banda larga IEEE 802.16. Após se realizarem algumas considerações gerais sobre a evolução da norma, assim como as suas principais características, são apresentados os aspectos essenciais das camadas físicas e MAC (Medium Access Control), assim como uma análise dos parâmetros de qualidade de serviço. Revêem-se as principais topologias de redes, as tecnologias de antenas SISO e MIMO e abordar-se, brevemente, aspectos de segurança em redes WiMAX. Realizou-se o dimensionamento de redes ponto-a-ponto a 5.4 GHz, uma entre o Hospital Sousa Mar

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Mukanyiligira, Didacienne. "Virtualization of multicast services in WiMAX networks." Doctoral thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/27360.

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Multicast service is one of the methods used to efficiently manage bandwidth when sending multimedia content. To improve bandwidth utilisation, virtualization is often invoked because of its additional features such as bandwidth sharing and support of services that require high volumes of transactional data. Currently, network providers are concerned with the bandwidth amount for efficient use of the limited wireless network capabilities and the provision of a better quality of service. The virtualization design of a multicast service framework should satisfy several objectives. For example, i

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Proença, Hugo Miguel Leonardo. "Evaluating WIMAX for real-time vehicular communications." Master's thesis, Universidade de Aveiro, 2008. http://hdl.handle.net/10773/1955.

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Mestrado em Engenharia Electrónica e Telecomunicações<br>Os acidentes rodoviários têm um impacto elevado na sociedade, quer devido às perdas humanas daí resultantes quer devido aos custos económicos associados. Este facto tem causado por todo o mundo o estudo de mecanismos que permitam aumentar a segurança rodoviária. Um exemplo disto é o investimento da Europa em vários projectos com vista a desenvolver estes mecanismos, onde a maior parte destas iniciativas consideram a possibilidade dos veículos comunicarem entre si e/ou com estações fixas, situadas junto da rodovia. A mobilidade dos veícul

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Yu, Yongxue. "Handover performance in the mobile WiMAX networks." [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0003287.

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Liu, Wei-Jen, and 劉維仁. "WiMax NEMO ITS TESTBED." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/byjnc3.

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碩士<br>國立東華大學<br>電機工程學系<br>95<br>Fast gradual progress of the network in the past several years, except offering the higher one widely frequently, offered the movement of the wireless network at the same time. WiMAX( Worldwide Interoperability for Microwave Access) Simplify,mean (interflow) It is one of the global latest wide-band wireless communication standards, offer a wireless " last one " (last mile) "And take action the terminal wide band connects the effective technological solution fetched, use 802.16 wireless transmission technology, need to pass the traditional telephone wire ( PSTN)

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Lee, Bo-Wei, and 李伯偉. "WiMAX Mobile Consultative System." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/01357962303511394392.

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碩士<br>國立高雄第一科技大學<br>資訊管理所<br>97<br>In recent years the campus security incident emerged one after another incessantly, in the television news page layout saw frequently the student had the community in the campus to fight, the self-injury or to injure other people and so on the calamity occurrence, these possibly came from the family uncoordinated problem perhaps cause student''s behavior deviation because of the schoolwork and the sentimental factor, it was unable in the situation which forewarned to injure others also to injure itself. The campus problem so forth occurs unceasingly in the da

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Chiu, Hsu-Feng, and 邱旭鋒. "Performance Analysis of WiMAX." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/43901478802150561037.

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碩士<br>國立臺灣大學<br>資訊工程學研究所<br>96<br>IEEE 802.16 wireless metropolitan area networks have recently become an extremely popular network technique. However, within the new protocol, performance is still not broadly discussed. This research aims at the investigating of the performance and potential issues. In our study, the NIST modules upon NS2 are utilized to acquire a fair performance analysis. We investigate the ability of WiMAX with immobile users under different parameters of PHY and MAC. First, we would like to figure out how modulation affects on throughput. As modulation is becoming be

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Su, Yung-Shou, and 蘇勇守. "Wimax/RF Module Design." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/68027786500662118911.

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碩士<br>中華大學<br>電機工程學系(所)<br>98<br>In recent years, the wireless communication applications have caused globally widespread attention, included personal mobile telecommunication and the wireless local area networks. OFDM is a multicarrier modulation technique for high data rate transmission. Although OFDM technique provides a lot of advantages in transmission, Suppression of high side lobes power in OFDM systems promotes the quality of the wireless transmission and enables higher spectral efficiency in the case of OFDM spectrum sharing systems . This paper is conferred about the basic theory of

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Hsiao, Young Choung, and 蕭永忠. "WiMAX Research and System planning." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/38195041340168709669.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>95<br>WiMAX system has attracted a lot of attention recently . However, the channel characterization of the WiMAX system is still little to know by most of the engineering expert the wireless commonication arena . In this thesis , we present some empirical data obtained form a WiMAX 16 e system installed in the Taipei Metropolitan area . Based on the empirical data , a model is proposed to describe the channel characteristics of the WiMAX system in the metropolitan area .

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Chuang, Chia-ning, and 莊家寧. "Multiplexer Design for WiMAX Applications." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/74217188767279720413.

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碩士<br>國立中央大學<br>電機工程研究所<br>98<br>In the thesis, diplexers and triplexers for WiMAX applications are proposed. The proposed diplexer is mainly composed of a 1/2 ? and a 1/4 ? parallel-coupled-resonator bandpass filters. By using 1/4 ? parallel-coupled-resonator filter, the spurious passband will appear at 3f0. Thus, the isolation between two channels can be enhanced. In many conventional diplexer designs, T-junction is often used to connect both filters. This strategy could lead to the increase of the circuit area. Therefore, instead of the T-junction, common coupled lines are used to connect t

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Lin, Kuang –Wei, and 林光韋. "WiMAX Basestation Measurement in Practice." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/34911060315507962475.

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碩士<br>國立臺灣海洋大學<br>通訊與導航工程系<br>96<br>Abstract Thesis this probe into WiMAX market, relevant specification and WiMAX trader who operates network in make, open frequency band, begin relevant test jobs faced when disposing platform on the base, for example the operating trader must observe the regulation regarding wireless frequency used of the government, or conveyer power level, correct frequency regulated in the range are used etc., in case that cause interfering with to other users, guarantee the correct operation of the network equipment. The ones that must all meet the responsible instituti

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Tsai, Shen-Chiuan, and 蔡聖權. "WiMAX antenna design for notebook." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/74739717420669260708.

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碩士<br>國立中央大學<br>通訊工程研究所碩士在職專班<br>97<br>The purpose of this thesis is to design a WiMAX antenna that is more suitable for notebook. From the beginning of antenna classification and WiMAX brief to actually antenna design, then analyze the antenna characteristic of our design and compare those characteristic with other design. Finally, we can find out the characteristic of our design is not only conform to the standard that we define at beginning, the location of antenna is also more close to actually application. With another advantage, the area of the antenna is reduce almost 30 % and does not

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Shen, Guan-Yin, and 沈冠穎. "CPW-FED WiMAX/WLAN ANTENNAS." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/69463982720163812966.

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碩士<br>大同大學<br>通訊工程研究所<br>97<br>In this thesis, two unique approaches are respectively applied to design a CPW-fed circularly and a linearly polarized antenna. For the circularly polarized antenna, center conductor of the CPW is bended into a semi-circular shape and two ground branches of the CPW are connected together to form an open-aperture. We may consider that center conductor of the CPW is modified to form the first type and is protruded into the aperture. By keeping this aperture, the center conductor of the CPW can be modified into the second type. The second type results in the line

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Yang, Chih-Hao, and 楊志豪. "WiMAX and HSDPA Interworking Mechanism." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/28405408995588668196.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>96<br>This thesis presented a set of comprehensive interworking mechanisms between WiMAX (World Interoperability for Microwave Access) and HSDPA (High Speed Downlink Packet Access) to fulfill the integration and development of latest wireless broadband data service. The proposed interworking mechanisms comprise: WiMAX-HSDPA interworking architecture, QoS (Quality of Service) guarantee mechanism, as well as handover trigger module (HTM). This thesis first introduced an interworking architecture which complied with both HSDPA and WiMAX standards. Based on this archite

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Yang, Gilbert, and 楊繼斌. "Seeing What’s Next on WiMAX." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/61325390904286839599.

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碩士<br>國立交通大學<br>管理學院碩士在職專班經營管理組<br>94<br>WiMAX (Worldwide Interoperability for Microwave Access) continuously draw much attention from telecommunications industry and considered a viable solution for end-user’s all telecommunications needs. This reminds us what 3G（Third Generation） wireless had been treated at very beginning and have done so far. The industry probably needs a better way to evaluate new technology and its application. This research is based on the viewpoint of disruptive innovation theory to locate the key success factors, and inspect WiMAX technology and services, evaluate the

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Liou, Jheng-You, and 劉政佑. "Simulink platform of WiMAX system." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/37121545100232310503.

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Chin, Marta Chan. "Integração do Wimax no IMS." Master's thesis, 2008. http://hdl.handle.net/10071/2542.

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Hoje em dia as redes de telecomunicações oferecem cada vez mais serviços baseados na tecnologia IP. Para se destacarem no mercado e aumentarem as suas receitas, os operadores sentem a necessidade de desenvolver e distribuir novas aplicações o mais simples e rápido possível. Face a esta necessidade, o IMS surge como uma possível solução, uma vez que define um ambiente ideal para a criação e desenvolvimento destes novos serviços, de um modo standard e independente do tipo de acesso. As vantagens que o IMS proporciona ao desenvolvimento e distribuição de serviços, combinada com uma tecnologia d

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Lau, Hsien-Wen, and 劉獻文. "WiMAX 5.8GHz Transceiver RF Module." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/82353836479969534753.

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碩士<br>國立交通大學<br>電信工程系所<br>96<br>The proposed WiMAX 5.8GHz Transceiver RF Module is fabricated with 6-layer FR4 printed circuit board. The architecture is mainly following the TI’s RFIC. System architecture belongs to TDD. Originally, two kinds of architecture are considered. For cost-down consideration, one of them is adopted. After finishing of circuit schematic block diagram, layout, and fabrication, the measured TX output power attains -6dBm, the RX gain control range is from 5dB to 60dB, and OP1dB is -7.83dBm.

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Lin, Yung-Chun, and 林湧鈞. "Enhancing Mobility Management for WiMAX." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/16229671529251136679.

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博士<br>國立交通大學<br>資訊科學與工程研究所<br>98<br>As mobile subscriber population rapidly grows, mobile access for broadband services becomes an important part of human life. IEEE 802.16e mobile Worldwide Interoperability for Microwave Access (WiMAX) provides broadband wireless services with wide service coverage, high data throughput, and high mobility. In WiMAX, mobility management (i.e., location management and handoff management) is one of the most important issues to support mobile services. Location management function tracks the roaming Mobile Stations (MSs) for service delivery, and handoff manageme

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Chuang, Shao Chun, and 莊紹群. "Implementation of WiMAX portable router." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/99625044401988983833.

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碩士<br>國立臺北大學<br>通訊工程研究所<br>98<br>Wireless communication has changed the way people communicate. How to provide broadband wireless is always a great challenge in limited frequency resources.WiMax and LTE seems to be the solution in the next decade. According to WiMAX Forum, as of May 2009, 475 networks are deployed in 140 countries. However, very few of the mobile devices and laptops have integrated with WiMAX access capability. It is a very big challenge for operators to have current users easily accessing the internet through WiMAX without selling new devices which have WiMAX capability to t

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Wu, Chung-Hsi, and 吳崇熙. "Implementation of WiMAX Baseband Generator." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/5pp483.

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碩士<br>國立臺北科技大學<br>資訊工程系研究所<br>97<br>This topic is based on IEEE 802.16e-2005 communication protocol, expect to implement the low cost WiMAX baseband (or intermediate frequency) generator, it can generate WiMAX frame that accords with standard, and can develop as one platform of simulation and research for WiMAX. In order to meet the demands of bandwidth transfer and throughput for wireless system, there must be enough ability in the basic hardware platform. In hardware, we adopt the TI’s TMS320DM6446 DSP chip, FPGA module, DAC module and the circuit board make by ourself for connection. DSP ha

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Liu, Tsai-Hwa, and 劉才華. "A Beneficial Analysis for WiMAX Operators to Migrate Their Network from WiMAX to TD-LTE." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/3v3y4a.

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碩士<br>國立交通大學<br>管理學院高階主管管理碩士學程<br>101<br>The main purposes of this study aim to explore the evolution of broadband wireless communication network, and the global trends of response by telecom service providers. Then to find the possible strategies of Taiwan WiMAX operators for the future. To come out the total solution of migrating from WiMAX to TD-LTE network, this study focuses on four important aspects including technology, eco-system, market, and policy &; regulation. The analysis on 4G mobile broadband communication eco-system is also used to identify the pros and cons of WiMAX and TD-LTE

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Huang, Shuo-Chao, and 黃碩超. "A Four-Sector Switchable WiMAX Antenna." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/u6x253.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>96<br>A four-sector switchable WiMAX antenna, for indoor use in the 4.9 -5.0 GHz frequency bands, is presented. The prototype antenna is designed to provide a higher gain in a specified sector region. Furthermore, the radiation beam is electronically steerable to provide space diversity in four different sectors. Each sector of this antenna includes an array of two rectangular microstrip patches. The air gap between the bottom substrate of microstrip patches and the ground plane is increased to 3 mm, which can aid in accomplishing a high-gain and wideband design go

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Tze-Huei, Kao. "Low Voltage Analog Baseband for WiMAX." 2006. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2507200621021500.

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Ahmad, Mohammad Hamidullah. "QoS Scheduling in IEEE802.16/WiMAX Networks." Thesis, 2011. http://spectrum.library.concordia.ca/35793/1/Ahmad_MSc_F2011.pdf.

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Albluwi, QUTAIBA. "Frame Partitioning in WiMax Mesh Mode." Thesis, 2008. http://hdl.handle.net/1974/1543.

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WiMax or the IEEE 802.16 standard is one of the most promising broadband wireless technologies nowadays. It is characterized by its high data rates, large coverage area, flexible design and QoS support. The standard defines two modes of operation: Point-to- Multi-Point (PMP) and the Mesh Mode. In the first mode, all nodes are connected directly to the base station and communication is not allowed amongst nodes. In the mesh mode, nodes are placed in an ad hoc manner communicating to neighbors and relaying the traffic of other nodes. The goal of this thesis is to design a partitioning scheme for

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