Relevant bibliographies by topics / Full-duplex communication / Dissertations / Theses
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Dissertations / Theses on the topic 'Full-duplex communication'

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Published: 4 June 2021
Last updated: 25 July 2025

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1

Tate, William R. "Full-duplex underwater networking." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03sep%5FTate.pdf.

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2

Towhidlou, Vahid. "Full duplex communication in cognitive radio networks." Thesis, King's College London (University of London), 2017. https://kclpure.kcl.ac.uk/portal/en/theses/full-duplex-communication-in-cognitive-radio-networks(5453e11d-6736-48ab-b49c-090df3373807).html.

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Over the past decade mobile services have evolved from basic voice communication to mobile-broadband multimedia services and sophisticated wireless applications. Today, we cannot imagine a world without wireless communications and smart mobile devices. Any wireless communication relies on the availability of radiofrequency spectrum, which is inherently a finite resource and cannot be produced. This unprecedented growth of wireless devices and services has motivated academia and industry to look for new solutions in utilizing the wireless spectrum more intelligently and efficiently. Cognitive r
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3

Wei, Z. "Energy efficiency oriented full duplex wireless communication systems." Thesis, University of Liverpool, 2017. http://livrepository.liverpool.ac.uk/3011759/.

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Full-duplex (FD) transmission is a promising technique for fifth generation (5G) wireless communications, enabling significant spectral efficiency (SE) improvement over existing half-duplex (HD) systems. However, FD transmission consumes higher power than HD transmission, especially for millimetre wave band. Therefore, energy efficiency (EE) for FD systems is a critical yet inadequately addressed issue. This thesis addresses the critical EE challenges and demonstrates promising solutions for implementing FD systems, as detailed in the following contributions. In the first contribution, a compr
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Ali, S. (Samad). "Full duplex device-to-device communication in cellular networks." Master's thesis, University of Oulu, 2014. http://urn.fi/URN:NBN:fi:oulu-201411081977.

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To address the problem of radio spectrum congestion due to increasing demand for wireless communications services, cellular communication systems are going towards small cells with small transmit powers. At the same time, in-band fullduplex (FD) radio design has gained considerable attention due to achievements in signal processing that can make design of full-duplex radios possible for systems with small transmit power. In theory full-duplex radios can double the spectral efficiency of the system. However existing radios still do not provide enough self-interference (SI) cancelation to be use
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5

Chour, Hussein. "Full-Duplex Device-to-Device Communication for 5G Network." Thesis, CentraleSupélec, 2019. http://www.theses.fr/2019CSUP0002.

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Avec la croissance rapide de la demande de trafic de données des clients, l'amélioration de la capacité du système et l'augmentation du débit des utilisateurs sont devenues des préoccupations essentielles pour le futur réseau de communication sans fil de cinquième génération. Dans ce contexte, la communication terminal-à-terminal (Device-to-Device D2D) et le Full Duplex (FD) sont proposés comme solutions potentielles pour augmenter l’efficacité spectrale et le débit des utilisateurs dans un réseau cellulaire. Le D2D permet à deux périphériques proches de communiquer sans participation de la st
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6

Laughlin, Leo. "Full duplex wireless communication by means of electrical balance duplexing." Thesis, University of Bristol, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.702210.

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The mass adoption of smartphones has led to a huge demand for wireless services, and 5G mobile is expected to deliver a 1000 fold capacity increase over the coming decade. However, this increase in demand will not been accompanied by a corresponding increase in the spectrum allocated for mobile networks, and therefore significant technological advances . will be required in order to reach this goal. Furthermore, due to the fragmented availability of spectrum globally, the number of frequency bands in use around the globe continues to increase, and thus a tunable radio frequency front end is re
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7

Okandeji, A. "Simultaneous wireless information and power transfer in full-duplex communication systems." Thesis, University College London (University of London), 2017. http://discovery.ucl.ac.uk/1566748/.

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As wireless devices are mostly constrained by their inability to operate independently infinitely away from centralised power sources, radio frequency (RF) energy harvesting (EH) has been identified as a promising technique for future wireless devices. For this reason, this thesis introduces a novelty in RF EH full-duplex (FD) wireless communication systems. Specifically, this thesis investigate the potentials of simultaneous wireless information and power transfer (SWIPT) in FD communication systems. This thesis firstly focuses on optimal transmit strategies, rate maximization and power minim
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8

Sethi, A. (Alok). "Self-interference channel and analog baseband cancellation for full duplex transceiver." Master's thesis, University of Oulu, 2013. http://urn.fi/URN:NBN:fi:oulu-201308311677.

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Full duplex (FD) radios are the next generation wireless paradigm to answer the growing demand of high capacity along with energy and spectrum efficient wireless transceivers. Given the colossal power difference between the transmit and receive signal, self-interference cancellation becomes one of the key challenge in the design of a FD radio. A model of self-interference channel is required to develop a robust cancellation mechanism. One of the key contribution of this thesis is to define the properties of the self-interference channel. Furthermore, an analog baseband cancellation mechanism f
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9

Alves, Hirley. "On the performance analysis of full-duplex networks." Universidade Tecnológica Federal do Paraná, 2015. http://repositorio.utfpr.edu.br/jspui/handle/1/1253.

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Nesta tese estudamos redes cooperativas em modo de operação Full-Duplex (FD). Para tanto, usamos conceitos de teoria da informação e da comunicação, além de estatística aplicada. Assim, fornecemos uma extensa análise de desempenho de sistemas cooperativos em modo FD. Além disso, demonstramos que a operação de relays em modo FD é possível, mesmo sofrendo intensos níveis de auto-interferência. Mostramos também sua aplicação em diversos cenários. Ademais, os resultados obtidos através deste trabalho servem como referência para o design e desenvolvimento de futuras tecnologias de comunicação sem-f
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10

Hijazi, Hadi. "Ultra-wideband antenna systems for in-band full-duplex applications." Thesis, Brest, École nationale supérieure de techniques avancées Bretagne, 2021. http://www.theses.fr/2021ENTA0011.

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La technologie in-band full-duplex a pour objectif d’augmenter l'efficacité spectrale des liaisons sans-fils en permettant à deux systèmes de communiquer simultanément dans la même bande de fréquence. Dans cette configuration in-band full-duplex, le principal défi consiste à annuler ou réduire les signaux d’auto-interférence, qui se couplent de l'émetteur vers son propre récepteur. Divers circuits d'annulation d'auto-interférence peuvent alors être mis en oeuvre : au niveau de l’antenne, de l'étage analogique et/ou numérique. Les techniques classiques d'annulation d'auto-interférence sont majo
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Erlandsson, Henrik, and Viktor Sköldheden. "Methods of self-interference cancellation in full duplex telecommunication systems." Thesis, Uppsala universitet, Institutionen för elektroteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-448066.

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With the wireless technology evolving quickly, so does the demand of speed and efficiency. This makes the companies look for new and better ways to improve the current systems. One way of improving the present systems would be to employ Full Duplex Technology. In recent years the standard has been Half duplex technology with either Time Division Duplexing (TDD) or Frequency Division Duplexing (FDD). The drawback of TDD is that the signals is put in different time slots, meaning if many signals is to be transmitted at the same time there will be a delay. For FDD the signals are sent at differen
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Bigestans, Elof. "Real-time Full Duplex Communication Over the Web : A performance comparison between different web technologies." Thesis, Högskolan i Skövde, Institutionen för informationsteknologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-9618.

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As the web browser becomes an increasingly powerful tool for the average web user, with more features and capabilities being developed constantly, the necessity to determine which features perform better than others in the same area becomes more important. This thesis investigates the performance of three separate technologies used to achieve full-duplex real time communication over the web: short polling using Ajax, server-sent events and the WebSocket protocol. An experiment was conducted measuring the performance over three custom-built web applications (one per technology being tested), co
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13

Taghizadeh, Omid [Verfasser], Rudolf [Akademischer Betreuer] Mathar, and Slawomir [Akademischer Betreuer] Stanczak. "Resource allocation for full-duplex multiple-antenna communication systems / Omid Taghizadeh ; Rudolf Mathar, Slawomir Stanczak." Aachen : Universitätsbibliothek der RWTH Aachen, 2018. http://d-nb.info/1180731182/34.

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14

Qin, Xiaoqi. "Exploring Performance Limits of Wireless Networks with Advanced Communication Technologies." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/73215.

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Over the past decade, wireless data communication has experienced a phenomenal growth, which is driven by the popularity of wireless devices and the growing number of bandwidth hungry applications. During the same period, various advanced communication technologies have emerged to improve network throughput. Some examples include multi-input multi-output (MIMO), full duplex, cognitive radio, mmWave, among others. An important research direction is to understand the impacts of these new technologies on network throughput performance. Such investigation is critical not only for theoretical under
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15

Bi, Ying. "Enhancing Physical-Layer Security in Wireless Powered Communication Networks." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/16890.

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In modern society, the communications sector is a critical enabler of economic and social activity. Despite the benefit of the improved ubiquitousness, the rapid diffusion of communications technologies is driving one to question the security of communications networks and systems. It is this situation which has motivated the research and development work to be reported in this thesis. Especially, this thesis consists of two parts: The first part focuses on our main research under the umbrella of physical-layer security (PLS), and the second part presents our work on security and data manageme
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Ferdinand, N. S. (Nuwan Suresh). "Low complexity lattice codes for communication networks." Doctoral thesis, Oulun yliopisto, 2016. http://urn.fi/urn:isbn:9789526210964.

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Abstract Lattice codes achieve AWGN capacity and naturally fit in many multi-terminal networks because of their inherited structure. Although extensive information theoretic research has been done to prove the importance of lattice codes for these networks, the progress in finding practical low-complexity lattice schemes is limited. Hence, the motivation of this thesis is to develop several methods to make lattice codes practical for communication networks. First, we propose an efficient lattice coding scheme for real-valued, full-duplex one- and two-way relay channels. Lattice decomposition,
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17

Sahraoui, Sélima. "Contribution à l'estimation des canaux relatifs aux signaux utile et interférent dans un système full-duplex dédié aux communications véhiculaires." Thesis, Valenciennes, 2019. http://www.theses.fr/2019VALE0008.

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Dans ces travaux de thèse, nous proposons de nouvelles méthodes d’estimation de canal pour un système full-duplex dédié aux communications véhiculaires. Les deux canaux relatifs au signal utile (SOI) et au signal interférant (SI) sont estimés. Les méthodes que nous proposons sont classées selon si les pilotes des deux signaux sont envoyés séparément ou simultanément. Dans le cas de la transmission séparée des pilotes, nous proposons un algorithme se basant sur un positionnement dynamique des pilotes ainsi qu’une méthode hybride qui combine l’approche du changement de position des pilotes avec
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18

Mafra, Samuel Baraldi. "Análise do uso de técnicas de codificação de rede e comunicação full-duplex em rádio cognitivo underlay." Universidade Tecnológica Federal do Paraná, 2015. http://repositorio.utfpr.edu.br/jspui/handle/1/1378.

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CAPES<br>Nesta tese são apresentados dois esquemas de comunicação cooperativa para redes cognitivas limitadas pelo máximo nível de interferência aceito na rede licenciada. Os esquemas são avaliados em função da probabilidade de outage, que representa a probabilidade de falha na comunicação. No primeiro esquema, a rede não licenciada é composta por uma fonte, um relay full-duplex dedicado e um destino. Contrastando com trabalhos anteriores, o modelo do sistema considera o enlace direto entre o transmissor e o destino não licenciados como informação útil. A análise apresentada inclui o efeito da
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Vogt, Hendrik [Verfasser], Aydin [Gutachter] Sezgin, Eduard [Gutachter] Jorswieck, and Risto [Gutachter] Wichman. "On secret-key generation by in-band full-duplex communication / Hendrik Vogt ; Gutachter: Aydin Sezgin, Eduard Jorswieck, Risto Wichman ; Fakultät für Elektrotechnik und Informationstechnik." Bochum : Ruhr-Universität Bochum, 2020. http://d-nb.info/121785956X/34.

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20

Zhang, Jianshu [Verfasser], Martin [Akademischer Betreuer] Haardt, Eduard [Akademischer Betreuer] Jorswieck, and Sergiy A. [Akademischer Betreuer] Vorobyov. "Advanced Signal Processing Techniques for Two-Way Relaying Networks and Full-Duplex Communication Systems / Jianshu Zhang. Gutachter: Eduard Jorswieck ; Sergiy A. Vorobyov. Betreuer: Martin Haardt." Ilmenau : Universitätsbibliothek Ilmenau, 2015. http://d-nb.info/1074139593/34.

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21

Giunta, Alberto. "Sviluppo di un modulo di real-time Location-awareness a supporto dei sistemi di soccorso." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2016.

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Negli ultimi decenni l'avanzamento tecnologico nei sistemi mobile ha avuto un notevole impatto sui sistemi informatici comunemente utilizzati nel lavoro di tutti i giorni dal personale in ambito sanitario. Una branca del settore sanitario su cui è posta particolare attenzione quando si parla di nuove tecnologie, e del loro possibile campo di applicazione, è quella delle missioni di soccorso al verificarsi di emergenze, ove con emergenze sono intesi catastrofi naturali o scenari di guerra. Il settore della ricerca è tutt'ora al lavoro nello sviluppo di sistemi che aiutino i partecipanti a
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Nguyen, V. T. (Vu Thuy Dan). "Transmission strategies for full-duplex multiuser MIMO communications systems." Doctoral thesis, Oulun yliopisto, 2016. http://urn.fi/urn:isbn:9789526211374.

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Abstract This thesis considers data transmission in a full-duplex (FD) multiuser multiple-input multiple-output (MU-MIMO) system, where a FD capable base station (BS) bidirectionally communicates with multiple half-duplex (HD) users in downlink (DL) and uplink (UL) channels using the same radio resources. The main challenge in FD communications is how to deal with the self-interference (SI) between transmit and receive antennas at the BS. The work carried out in the thesis is motivated by recent advanced techniques in hardware design demonstrating that the SI can be suppressed to a degree that
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Nouri, P. (Parisa). "RF system model for In-band full duplex communications." Master's thesis, University of Oulu, 2016. http://jultika.oulu.fi/Record/nbnfioulu-201612103223.

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Abstract. In recent years by increasing the demands for communication services various technologies are examined in order to improve the throughput and spectrum efficiency of the wireless communication systems. For improving the performance a communication network, system deficiencies such as transmitter and receiver impairments need to be removed or compensated. One way to improve the network efficiency is to employ full duplex technology. Full duplex technology doubles the network capacity compared to the case when typical frequency division duplexing (FDD) or time division duplexing (TDD) a
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Afifi, Ahmed Wessam, and Ahmed Wessam Afifi. "Inband Full-duplex Wireless Communications for Dynamic Spectrum Sharing Systems." Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/622979.

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Over the last decade, there has been an exponential growth in the wireless demand, driven by an increase in the number of devices, users, and applications. Combined with an increase in the number of connections (due to Internet of things or IoT) and the spike in mobile video, this growth led to a spectrum crisis. To face this problem, various solutions have been proposed, including more cell densification and higher spectrum efficiency. Industry and academia are gearing to develop new wireless technologies such as full-duplex (FD) communications and massive multiple-input and multiple-output (
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Lee, Kil-Hoon. "Design of signal integrity enhancement circuits." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37191.

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This dissertation is aimed at examining signal integrity degradation factors and realizing signal integrity enhancement circuits for both wired and wireless communication systems. For wired communication systems, an optical coherent system employing an electrical equalization circuit is studied as a way of extending the transmission distance limited by optical fiber dispersion mechanisms. System simulation of the optical coherent receiver combined with the feed-forward equalizers is performed to determine the design specification of the equalizer circuit. The equalization circuit is designed a
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Hazzard, D. A., J. A. MacCannell, G. Lee, et al. "SYSTEM MODEL FOR A LOW DATA RATE FULL DUPLEX OPTICAL COMMUNICATIONS LINK BETWEEN EARTH AND LEO." International Foundation for Telemetering, 1999. http://hdl.handle.net/10150/608520.

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International Telemetering Conference Proceedings / October 25-28, 1999 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>We present a novel communications link concept. This system offers the potential of low data rate full-duplex communications between earth and LEO. We will present a detailed link model for this system.
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27

He, Yibo. "Performance analysis of spectrum sensing techniques for future wireless networks." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/28951.

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In this thesis, spectrum sensing techniques are investigated for cognitive radio (CR) networks in order to improve the sensing and transmission performance of secondary networks. Specifically, the detailed exploration comprises of three areas, including single-node spectrum sensing based on eigenvalue-based detection, cooperative spectrum sensing under random secondary networks and full-duplex (FD) spectrum sensing and sharing techniques. In the first technical chapter of this thesis, eigenvalue-based spectrum sensing techniques, including maximum eigenvalue detection (MED), maximum minimum ei
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Tian, Hai, Tom Trojak, and Charles Jones. "DATA COMMUNICATIONS OVER AIRCRAFT POWER LINES." International Foundation for Telemetering, 2005. http://hdl.handle.net/10150/604922.

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ITC/USA 2005 Conference Proceedings / The Forty-First Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2005 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>This paper introduces a study of the feasibility and initial hardware design for transmitting data over aircraft power lines. The intent of this design is to significantly reduce the wiring in the aircraft instrumentation system. The potential usages of this technology include Common Airborne Instrumentation System (CAIS) or clock distribution. Aircraft power lines channel characteristics are
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Abadi, Tarla. "Design and performance analysis of cooperative relay systems." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/design-and-performance-analysis-of-cooperative-relay-systems(8edce5bc-1518-4df2-aa49-36bf5386036a).html.

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Cooperative relay systems have emerged as promising techniques to boost the performance of wireless systems. Recent studies have confirmed that interferences, co-channel interferences (CCIs) and self-interferences, have a huge impact on cooperative relay systems and can cause significant performance degradation. Two problems were observed in this research. Firstly, previous studies on performance analysis of Amplify-and-Forward (AF) relay systems in presence of CCIs have only focused on a specific interference channel model. However, in practical design scenarios, such an assumption is not a r
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Horwitz, Russel. "An investigation into a DSP implementation of partial response signaling for 4800 bits per second full-duplex data communications over M.1020 telephone lines." Master's thesis, University of Cape Town, 1990. http://hdl.handle.net/11427/8343.

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Includes bibliographical references.<br>This thesis investigates high-speed digital transmission over a conditioned, voice-grade telephone circuit (M.1020), using a technique known as partial response signaling, or PRS. In particular, the case where 4800 bps, full-duplex transmission is required in a CCI'PT V. 22 type format is investigated. The main v.22 criterion to be adhered to, is that frequency-division multiplexing (FDM) is to be used as the means of separating thetransmit and receive channels. The carrier frequencies should be 1200 Hz and 2400 Hz respectively. The investigation concer
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Bolas, Eduardo José Ludovico. "Broadband VHF maritime communications based on cognitive radio." Doctoral thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/16285.

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Doutoramento em Engenharia Eletrotécnica<br>Traditionally, maritime business is associated to transportation, which represents about 90% of global trade, and fishery, but new activities at sea, opened up by technological innovations, are transforming economical context of maritime services and resources. In the future, the massive use of technology to support endurance and ranging of maritime operations, namely in intelligent transport systems and autonomous vehicles areas, would lead to federations of maritime based embedded computing devices. Nevertheless, existing systems are not pre
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Hsu, Kai-Cheng, and 許凱程. "Full-Duplex in Wireless Communication Networks." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/19040662861101319044.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>104<br>In today&apos;&apos;s wireless networks, spectrum is getting increasingly scarce. Full-duplex, then, is one possible candidate to improve the wireless networks&apos;&apos; performance. When we introduce full-duplex capability into a node, it can transmit and receive at the same time and same frequency band, which sometimes we also call it "in-band full-duplex". In this thesis, I aim at exploiting the full-duplex capability to improve the performance of wireless communication networks. There are three different research topics in my thesis. First, I levera
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Shao, Yunlong. "Precoding for MIMO full-duplex relay communication systems." Thesis, 2018. https://dspace.library.uvic.ca//handle/1828/9213.

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Multiple antennas combined with cooperative relaying, called multiple-input multiple-output (MIMO) relay communications, can be used to improve the reliability and capacity of wireless communications systems. The precoding design is crucial to realize the full potential of MIMO relay systems. Full-duplex (FD) relay communications has become realistic with the development of effective loop interference (LI) cancellation techniques. The focus of this dissertation is on the precoding design for MIMO FD amplify-and-forward (AF) relay communication systems. First, the transceiver design for MIMO FD
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Everett, Evan. "Full-Duplex Infrastructure Nodes: Achieving Long Range with Half-duplex Mobiles." Thesis, 2012. http://hdl.handle.net/1911/64704.

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One of the primary sources of inefficiency in today's wireless networks is the half-duplex constraint - the assumption that nodes cannot transmit and receive simultaneously in the same band. The reason for this constraint and the hurdle to full-duplex operation is self-interference: a node's transmit signal appears at its own receiver with very high power, desensitizing the receiver electronics and precluding the reception of a packet from a distant node. Recent research has demonstrated that full-duplex can indeed be feasible by employing a combination of analog and digital self-interference
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"Adaptive Baseband Interference Cancellation for Full Duplex Wireless Communication." Master's thesis, 2016. http://hdl.handle.net/2286/R.I.38717.

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abstract: Traditional wireless communication systems operate in duplexed modes i.e. using time division duplexing or frequency division duplexing. These methods can respectively emulate full duplex mode operation or realize full duplex mode operation with decreased spectral efficiency. This thesis presents a novel method of achieving full duplex operation by actively cancelling out the transmitted signal in pseudo-real time. With appropriate hardware, the algorithms and techniques used in this work can be implemented in real time without any knowledge of the channel or any training sequence. C
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HONG-ZHE, ZHENG, and 鄭宏哲. "Full-Duplex Wireless Voice Communication with Packet Header Protection." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/51892651193958228888.

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碩士<br>聖約翰科技大學<br>電子工程系碩士班<br>98<br>In this thesis, a full-duplex wireless voice communication system is developed. The voice data is transmitted using data frames of the low rate wireless personal area network (LR-WPAN) standard IEEE 802.15.4. An ADPCM codec IC is employed to sample/reconstruct the voice signal. The sampling rate is 8.23 kHz and each sample consists of 4 bits. The data frame is transmitted in a guaranteed time slot. Instead of using frame check sequence (FCS) to check the entire frame, the Hamming code is utilized to protect the frame header. After decoding, a frame which pass
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JIANG, WEN-JIE, and 蔣文傑. "A full duplex optical digital communication system using single fiber." Thesis, 1988. http://ndltd.ncl.edu.tw/handle/39880848197875557948.

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Wang, Chih-Hung, and 王智弘. "Transmit and Receive Beamforming Design for Full-Duplex Communication Systems." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/68404744557619132473.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>104<br>In this paper, we consider a full-duplex base station (BS) communicating with a set of downlink and uplink users. We build a new signal model by taking into account the self-interference as well as non-ideal circuit effects. Based on the proposed model, we formulate power minimization beamforming design problem that involves the optimization of the transmit and receive beamformers of the BS and the transmit power of uplink users. An alternating optimization (AO) strategy is proposed. In addition, we consider a max-min fair design formulation and respectively e
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Bento, Tiago Jorge Cardoso. "Multipacket reception in the presence of in-band full-duplex communication." Master's thesis, 2015. http://hdl.handle.net/10362/15649.

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In-Band Full-DupleX (IB-FDX) is defined as the ability for nodes to transmit and receive signals simultaneously on the same channel. Conventional digital wireless networks do not implement it, since a node’s own transmission signal causes interference to the signal it is trying to receive. However, recent studies attempt to overcome this obstacle, since it can potentially double the spectral efficiency of current wireless networks. Different mechanisms exist today that are able to reduce a significant part of the Self- Interference (SI), although specially tuned Medium Access Control (MA
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Koohian, Mohammadabadi Abbas. "Channel Estimation and Self-Interference Cancellation in Full-Duplex Communication Systems." Phd thesis, 2019. http://hdl.handle.net/1885/162789.

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Full-duplex (FD) wireless communications, along with millimeter wave (mmWave), and massive multiple-input multiple-output (MIMO) are key technologies for future communication networks, known as 5G networks. The main challenge in exploiting the full potential of FD communication systems lies in cancellation of strong self-interference (SI) signal. In particular, since SI cancellation requires accurate knowledge of both SI and communication channels, bandwidth efficient channel estimation techniques are of practical interest. Furthermore, SI cancellation encounters new challenges, once FD techno
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41

Dinc, Tolga. "Architectures, Antennas and Circuits for Millimeter-wave Wireless Full-Duplex Applications." Thesis, 2018. https://doi.org/10.7916/D8MP6KG3.

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Demand for wireless network capacity keeps growing exponentially every year, as a result a 1000-fold increase in data traffic is projected over the next 10 years in the context of 5G wireless networks. Solutions for delivering the 1000-fold increase in capacity fall into three main categories: deploying smaller cells, allocating more spectrum and improving spectral efficiency of wireless systems. Smaller cells at RF frequencies (1-6GHz) are unlikely to deliver the demanded capacity increase. On the other hand, millimeter-wave spectrum (frequencies over 24GHz) offers wider, multi-GHz channel ba
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42

Bai, Jingwen. "Distributed Full-duplex via Wireless Side Channels: Bounds and Protocols." Thesis, 2013. http://hdl.handle.net/1911/71919.

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In this thesis, we study a three-node full-duplex network, where the infrastructure node has simultaneous up- and downlink communication in the same frequency band with two half-duplex nodes. In addition to self-interference at the full-duplex infrastructure node, the three-node network has to contend with the inter-node interference between the two half-duplex nodes. The two forms of interferences differ in one important aspect that the self-interference is known at the interfered receiver. Therefore, we propose to leverage a wireless side-channel to manage the inter-node interference. We cha
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43

Kiran, Rama. "Design and Analysis of Full-duplex Systems for Next-generation Wireless Communication Systems." Thesis, 2021. https://etd.iisc.ac.in/handle/2005/5249.

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To cater to the ever-growing demand for higher data rates, cellular networks and wireless local area networks (WLANs) need to adopt innovative technologies. Full-duplex (FD) is one such technology that promises to double the data rates by enabling simultaneous transmission and reception over the same frequency band. However, FD raises its own challenges. The first challenge is self-interference (SI) at the FD receivers due to power leakage from the collocated transmitter. Recent advances that employ techniques such as analog and digital domain signal cancellation and electromagnetic iso
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44

Zhou, Jin. "Integrated Self-Interference Cancellation for Full-Duplex and Frequency-Division Duplexing Wireless Communication Systems." Thesis, 2017. https://doi.org/10.7916/D86T0S88.

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From wirelessly connected robots to car-to-car communications, and to smart cities, almost every aspect of our lives will benefit from future wireless communications. While promise an exciting future world, next-generation wireless communications impose requirements on the data rate, spectral efficiency, and latency (among others) that are higher than those for today's systems by several orders of magnitude. Full-duplex wireless, an emergent wireless communications paradigm, breaks the long-held assumption that it is impossible for a wireless device to transmit and receive simult
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45

Li, An-Chi, and 李安智. "Self-Interference Cancellation and CFO Compensation for Full Duplex Techniques in SC-FDMA Communication." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/8wu8t2.

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碩士<br>國立中央大學<br>通訊工程學系<br>106<br>Full duplex systems are expected to double the spectral efficiency compared to conventional half-duplex systems if the self-interference can be significantly mitigated. And digital cancellation is one of the lowest complexity self-interference cancellation techniques in full duplex systems. However its mitigation is very limited. We use SC-FDMA in uplink and OFDMA in downlink in this paper, it is also the standard in LTE. And SC-FDMA in uplink generate lower PAPR than OFDM, but in the other hand, the frequency offset effects SC-FDMA easier. Hence, we discus
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46

Pan, Leyuan. "Efficient pilot-data transmission and channel estimation in next generation wireless communication systems." Thesis, 2017. http://hdl.handle.net/1828/8034.

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To meet the urgent demand of high-speed data rate and to support large number of users, the massive multiple-input multiple-output (MIMO) technology is becoming one of the most promising candidates for the next generation wireless communications, namely the 5G. To realize the full potential of massive MIMO, it is necessary to have the channel state information (CSI) (partially) available at the transmitter. Hence, an efficient channel estimation is one of the key enablers and also critical challenges for 5G communications. Dealing with such problems, this dissertation investigates the design o
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Randrianantenaina, Itsikiantsoa. "SPECTRUM MANAGEMENT FOR FUTURE GENERATIONS OF CELLULAR NETWORKS." Diss., 2019. http://hdl.handle.net/10754/656380.

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The demand for wireless communication is ceaselessly increasing in terms of the number of subscribers and services. Future generations of cellular networks are expected to allow not only humans but also machines to be immersively connected. However, the radio frequency spectrum is already fully allocated. Therefore, developing techniques to increase spectrum efficiency has become necessary. This dissertation analyzes two spectrum sharing techniques that enable efficient utilization of the available radio resources in cellular networks. The first technique, called full-duplex (FD) communica
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48

Sakr, Ahmed. "Modeling, analysis, and optimization of multi-tier cellular networks." 2017. http://hdl.handle.net/1993/32087.

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Multi-tier cellular networks have led to a paradigm shift in the deployment of base stations (BSs) where macrocell BSs are overlaid with smaller and lower power BSs such as microcells, picocells, and femtocells. Stochastic geometry has been proven to be an effective tool to capture such heterogeneity and uncertainties in deployment of cellular BSs. In stochastic geometry, random spatial models are used to model multi-tier cellular networks where the locations of BSs is each tier is assumed to be drawn from a point process with the appropriate spatial density. This thesis proposes stochastic g
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Alammouri, Ahmad. "Full-Duplex Communications in Large-Scale Cellular Networks." Thesis, 2016. http://hdl.handle.net/10754/608640.

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In-band full-duplex (FD) communications have been optimistically promoted to improve the spectrum utilization and efficiency. However, the penetration of FD communications to the cellular networks domain is challenging due to the imposed uplink/downlink interference. This thesis presents a tractable framework, based on stochastic geometry, to study FD communications in multi-tier cellular networks. Particularly, we assess the FD communications effect on the network performance and quantify the associated gains. The study proves the vulnerability of the uplink to the downlink interference and s
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50

Tzu-ChinYang and 楊子晉. "Relay Selection for Enabling Full-duplex Cooperative Communications Using Half-duplex Devices with Buffers." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/60346787196227343805.

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碩士<br>國立成功大學<br>電腦與通信工程研究所<br>102<br>To enable full-duplex cooperative communications using half-duplex relays, a buffer-aided relay selection scheme based on amplify-and-forward (AF) is proposed in this work that can fully exploit the diversity gain. The key idea is to always select different relays to receive and transmit in the same time slot. Since the receiving relay is interfered by the transmitting relay, we apply a previously proposed interference cancellation scheme to mitigate the inter-relay interference (IRI). Through simulations, we study the performance of the proposed scheme under
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