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Thèses sur le sujet « Multiple Code Theory »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 31 juillet 2025

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1

Mattingley-Scott, Mark Alistair. "A code division multiple spread spectrum local area network." Thesis, Durham University, 1989. http://etheses.dur.ac.uk/1451/.

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Fan, Pingzhi. "Code design and analysis for multiple access communications." Thesis, University of Hull, 1994. http://hydra.hull.ac.uk/resources/hull:5864.

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This thesis explores various coding aspects of multiple access communications, mainly for spread spectrum multiaccess(SSMA) communications and collaborative coding multiaccess(CCMA) communications. Both the SSMA and CCMA techniques permit efficient simultaneous transmission by several users sharing a common channel, without subdivision in time or frequency. The general principle behind these two multiaccess schemes is that one can find sets of signals (codes) which can be combined together to form a composite signal; on reception, the individual signals in the set can each be recovered from th

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3

Zhao, Qian Effros Michelle. "Network source coding : theory and code design for broadcast and multiple access networks /." Diss., Pasadena, Calif. : California Institute of Technology, 2003. http://resolver.caltech.edu/CaltechETD:etd-05302003-125004.

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Shaar, A. A. "A study of code-division multiple-access with reference to fibre-optic local-area networks." Thesis, University of Kent, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.353184.

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Souissi, Slim. "Adaptive error control through packet combining in code division multiple access systems." Diss., Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/13381.

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Geslin, Serge. "Influence of laser diode nonlinearities on fibre optic systems supporting direct-sequence code division multiple access signals." Thesis, University College London (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269411.

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7

Baker, Dirk A. "Space-time block coding with imperfect channel estimates." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=1843.

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Thesis (M.S.)--West Virginia University, 2001.<br>Title from document title page. Document formatted into pages; contains iv, 74 p. : ill. Includes abstract. Includes bibliographical references (p. 73-74).

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Manchiraju, Dinakar. "Evaluation of pseudorandom sequences used in third generation spread spectrum systems." Ohio : Ohio University, 2003. http://www.ohiolink.edu/etd/view.cgi?ohiou1081801327.

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Green, Crystal D. "Perceptions of Usefulness: Using the Holland Code Theory, Multiple Intelligences Theory, and Role Model Identification to Determine a Career Niche in the Fashion Industry for First-quarter Fashion Students." Kent State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=kent1271450339.

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Sathananthan, K. "Broadband wireless communications: issues of OFDM and multi-code CDMA." Monash University, School of Computer Science and Software Engineering, 2003. http://arrow.monash.edu.au/hdl/1959.1/9401.

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Bolas, Eduardo J. "Coding-spreading tradeoff in CDMA systems." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02sep%5FBolas.pdf.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, September 2002.<br>Thesis advisor(s): Tri T. Ha, Jan E. Tighe, Jovan E. Lebaric. Includes bibliographical references (p. 85). Also available online.

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CASLINI, MANUELA. "Alessitimia e regolazione emotiva nella psicoterapia di pazienti con DCA: Analisi empirica dell’Attività Referenziale di un campione in trattamento." Bachelor's thesis, Milano Bicocca, 2012. http://hdl.handle.net/10281/51532.

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Abstract Background Alexythimia represents an important deficit in patients with ED and it is a responsible factor for the poor response to treatment. The difficulties found by patients in psychotherapeutic treatments come from their peculiar cognitive, emotional, behavioural and personological attitude generated by their metapsycological specific nature and reflected in a language which is often factitious and nameless for the person’s experience: examining the language can be a fundamental element to detect this pathology and its possible treatments. Considering as theoretical references

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Sharma, Manish. "Receptores iterativos para canais de acesso múltiplo ruidosos com N frequências e T usuários." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/260834.

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Orientador: Jaime Portugheis<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Elétrica e de Computação<br>Made available in DSpace on 2018-08-17T00:51:09Z (GMT). No. of bitstreams: 1 Sharma_Manish_D.pdf: 1122815 bytes, checksum: ac184067a2eeb2f29617e0a5da608708 (MD5) Previous issue date: 2010<br>Resumo: O objetivo deste trabalho é analisar o desempenho da recepção e detecção conjunta e iterativa para canais de acesso múltiplo. A análise se concentrou em torno de um canal ruidoso com N frequências compartilhado por T usuários. Encontramos valores para a capacid

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Radway, Nora E. "SHYNESS IN THE CLASSROOM: A STUDY IN NONVERBAL COMMUNICATION CODES." UKnowledge, 2019. https://uknowledge.uky.edu/comm_etds/79.

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This study examined the experiences of shy, introverted, and apprehensive students in the college classroom. This study was framed by multiple goals theory to discover how these students use nonverbal communication to achieve their task, identity, and relational goals in the classroom. Shy, introverted, and apprehensive students face challenges in the classroom especially when asked to verbally participate or give presentations that their more outgoing classmates may not face. Participants (N = 16) participated in focus groups where they discussed their experiences, perceptions, and feelings a

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Karban, Ugur. "Three-dimensional Flow Solutions For Non-lifting Flows Using Fast Multipole Boundary Element Method." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12615042/index.pdf.

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Driving aim of this study was to develop a solver which is accurate enough to be used in analysis and fast enough to be used in optimization purposes. As a first step, a three-dimensional potential flow solver is developed using Fast Multipole Boundary Element (FMBEM) for calculating the pressure distributions in non-lifting flows. It is a steady state solver which uses planar triangular unstructured mesh. After the geometry is introduced, the program creates a prescribed wake surface attached to the trailing edge(s), obtains a solution using panel elements on which the doublet and source stre

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Brunero, Federico. "Unearthing the Impact of Structure in Data and in Topology for Caching and Computing Networks." Electronic Thesis or Diss., Sorbonne université, 2022. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2022SORUS368.pdf.

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La mise en cache s'est avérée être un excellent moyen de réduire la charge de trafic dans les réseaux de données. Une étude de la mise en cache en théorie de l'information, connue sous le nom de mise en cache codée, a représenté une percée clé dans la compréhension de la façon dont la mémoire peut être efficacement transformée en débit de données. La mise en cache codée a également révélé le lien profond entre la mise en cache et les réseaux informatiques, qui présentent le même besoin de solutions algorithmiques novatrices pour réduire la charge de trafic. Malgré la vaste littérature, il rest

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Boulanger, Christophe. "Accès multiple à répartition par les codes : optimisation de séquences et architectures de récepteurs associés." Grenoble INPG, 1998. http://www.theses.fr/1998INPG0086.

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Ce travail porte sur l'etude de radiocommunications basees sur la methode d'acces multiple a repartition par les codes (amrc), qui est derivee de la technique d'etalement de spectre par sequence directe. Les enjeux futures de cette derniere et les contraintes imposees par les canaux de radiopropagation sont d'abord exposes. Puis, parmi les differentes techniques envisagees pour accroitre la capacite de tels systemes, deux sont plus particulierement etudiees : l'optimisation des sequences d'etalement et l'etude d'architectures de reception associees. L'utilisation de methodes derivees de l'opti

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D'ARMA, ALESSIA. "Come potenziare la Teoria della Mente (ToM) nella Sclerosi Multipla? Dalla letteratura allo sviluppo di un intervento innovativo culturale." Doctoral thesis, Università Cattolica del Sacro Cuore, 2021. http://hdl.handle.net/10280/96257.

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La Teoria della Mente (ToM), la capacità cognitiva di riuscire a rappresentare ed interpretare gli stati mentali propri e altrui al fine di prevederne in comportamento, risulta essere deficitaria nella Sclerosi Multipla (SM), patologia cronica neurodegenerativa. La messa a punto e l’implementazione di un training di potenziamento di questa abilità sociale in questi pazienti è di rilevante importanza in quanto la ToM è strettamente connessa alla loro qualità della vita. Dato che ad oggi non esistono training di potenziamento della ToM nella SM, obiettivo primario della tesi è stata l’indagine r

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D'ARMA, ALESSIA. "Come potenziare la Teoria della Mente (ToM) nella Sclerosi Multipla? Dalla letteratura allo sviluppo di un intervento innovativo culturale." Doctoral thesis, Università Cattolica del Sacro Cuore, 2021. http://hdl.handle.net/10280/96257.

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La Teoria della Mente (ToM), la capacità cognitiva di riuscire a rappresentare ed interpretare gli stati mentali propri e altrui al fine di prevederne in comportamento, risulta essere deficitaria nella Sclerosi Multipla (SM), patologia cronica neurodegenerativa. La messa a punto e l’implementazione di un training di potenziamento di questa abilità sociale in questi pazienti è di rilevante importanza in quanto la ToM è strettamente connessa alla loro qualità della vita. Dato che ad oggi non esistono training di potenziamento della ToM nella SM, obiettivo primario della tesi è stata l’indagine r

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Robert, Gwezheneg. "Codes de Gabidulin en caractéristique nulle : application au codage espace-temps." Thesis, Rennes 1, 2015. http://www.theses.fr/2015REN1S083/document.

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Les codes espace-temps sont des codes correcteurs dédiés aux transmissions MIMO. Mathématiquement, un code espace-temps est un ensemble fini de matrices complexes. Ses performances dépendent de plusieurs critères, dont la distance minimale en métrique rang. Les codes de Gabidulin sont des codes dans cette métrique, connus pour leur optimalité et pour l'existence d'algorithmes de décodage efficaces. C'est pourquoi ils sont utilisés pour concevoir des codes espace-temps. La principale difficulté est alors de construire des matrices complexes à partir de matrices binaires. Les travaux présentés d

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Smith, Jacques. "Constructing low cost core-satellite portfolios with multiple risk constraints: practical applications to Robo advising in South Africa using active, passive and smart-beta strategies." Master's thesis, Faculty of Commerce, 2020. http://hdl.handle.net/11427/32985.

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Risk and tracking error budgeting was originally adopted by large institutional investors, including pension funds, plan sponsors, foundations, and endowments. More recently, risk and tracking error budgeting have gained popularity among financial advisors, multi-managers, fund of funds managers, high net worth individuals as well as retail investors. These techniques contribute to the portfolio optimisation process by limiting the extent to which a portfolio can deviate from its benchmark with regards to risk and tracking error. This is an ambitious paper that attempts to determine the optima

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Ouertani, Rym. "Algorithmes de décodage pour les systèmes multi-antennes à complexité réduite." Phd thesis, Paris, Télécom ParisTech, 2009. https://pastel.hal.science/pastel-00718214.

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Les systèmes à antennes multiples permettent d’accroitre significativement la capacité. Toutefois, le décodage de tels systèmes présente une grande complexité qui croit en fonction du nombre d'antennes et de la taille de la constellation. Nous proposons un décodeur, appelé SB-Stack basé sur la stratégie de recherche du décodeur séquentiel Stack et la région de recherche du décodeur par sphères. Ce décodeur a une complexité moindre par rapport aux décodeurs existants tout en offrant des performances optimales. Une version paramétrée de ce décodeur est aussi proposée, offrant des performances so

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Ouertani, Rym. "Algorithmes de décodage pour les systèmes multi-antennes à complexité réduite." Phd thesis, Télécom ParisTech, 2009. http://pastel.archives-ouvertes.fr/pastel-00718214.

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Durant ces dernières années, un grand intérêt a été accordé aux systèmes de communication sans fil ayant plusieurs antennes en émission et en réception. Les codes espace-temps permettent d'exploiter tous les degrés de liberté de tels systèmes. Toutefois, le décodage de ces codes présente une grande complexité qui croit en fonction du nombre d'antennes déployées et de la taille de la constellation utilisée. Nous proposons un nouveau décodeur, appelé SB-Stack (Spherical Bound-Stack decoder) basé sur un algorithme de recherche dans l'arbre. Ce décodeur combine la stratégie de recherche du décodeu

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Pigeonnat, Yvan. "Étude de complexité d'algorithmes de détection conjointe pour les radiocommunications mobiles cellulaires de 3e génération." Grenoble INPG, 2000. http://www.theses.fr/2000INPG0151.

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Ce document commence par une presentation generale de la problematique specifique du domaine des radiocommunications mobiles. Ensuite, parmi les standards proposes a la normalisation pour la 3 e m e generation de telephonie mobile (l'umts), la solution hybride td/cdma est decrite en detail. La detection conjointe, qui permet de reduire simultanement les interferences inter-symboles et multi-utilisateurs, en est l'etape cruciale. L'analyse de la complexite de cette derniere met en evidence la necessite de trouver des solutions alternatives moins complexes. La 1 e r e solution proposee repose su

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Bautista, Martín Miguel Ángel. "Learning error-correcting representations for multi-class problems." Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/396124.

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Real life is full of multi-class decision tasks. In the Pattern Recognition ﬁeld, several method- ologies have been proposed to deal with binary problems obtaining satisfying results in terms of performance. However, the extension of very powerful binary classiﬁers to the multi-class case is a complex task. The Error-Correcting Output Codes framework has demonstrated to be a very powerful tool to combine binary classiﬁers to tackle multi-class problems. However, most of the combinations of binary classiﬁers in the ECOC framework overlook the underlay- ing structure of the multi-class problem.

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Teng, Sin Yong. "Intelligent Energy-Savings and Process Improvement Strategies in Energy-Intensive Industries." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-433427.

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S tím, jak se neustále vyvíjejí nové technologie pro energeticky náročná průmyslová odvětví, stávající zařízení postupně zaostávají v efektivitě a produktivitě. Tvrdá konkurence na trhu a legislativa v oblasti životního prostředí nutí tato tradiční zařízení k ukončení provozu a k odstavení. Zlepšování procesu a projekty modernizace jsou zásadní v udržování provozních výkonů těchto zařízení. Současné přístupy pro zlepšování procesů jsou hlavně: integrace procesů, optimalizace procesů a intenzifikace procesů. Obecně se v těchto oblastech využívá matematické optimalizace, zkušeností řešitele a pr

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Zhao, Qian. "Network source coding: theory and code design for broadcast and multiple access networks." Thesis, 2003. https://thesis.library.caltech.edu/2289/1/Zhao_Qian_thesis.pdf.

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In the information age, network systems and applications have been growing rapidly to provide us with more versatile and high bit rate services. However, the limited bandwidth restricts the amount of information that can be sent through the networks. Thus efficient data representation or source coding is imperative for future network development. Distinct from the traditional source coding strategy, network source codes take advantage of the network topology and are able to maximally compress data before transmission. In this thesis, I present a variety of source coding techniques for use i

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"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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Jaing, Ching-Huey, and 江慶慧. "New Power Control Method for Code Division Multiple Access based on Neural Network and Fuzzy Theory." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/17633249963034933318.

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碩士<br>樹德科技大學<br>電腦與通訊研究所<br>91<br>This thesis introduces a new application of neuro-fuzzy control theory to the power control in a multirate direct-sequence code-division multiple-access (DS-CDMA) cellular radio system. Emerging multimedia services in cellular radio systems introduce a variable transmission rate, meanwhile, the propagation channel of a radio system exhibits severe signal shadowing and multipath fading, which results in wide variation of signal-to-interference ratio (SIR) at the receiver. To tackle this problem, the combined control of power and transmission rate is used to mai

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"Coherent optical code division multiple access based on superstructure fiber bragg grating encoders and decoders." 2003. http://library.cuhk.edu.hk/record=b5891483.

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Li Xin.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2003.<br>Includes bibliographical references (leaves 81-86).<br>Abstracts in English and Chinese.<br>COHERENT OPTICAL CODE DIVISION MULTIPLE ACCESS BASED ON SUPERSTRUCTURE FIBER BRAGG GRATING ENCODERS AND DECODERS --- p.1<br>ACKNOWLEDGEMENT --- p.2<br>ABSTRACT --- p.III<br>摘要 --- p.V<br>CONTENTS --- p.VI<br>LIST OF FIGURES --- p.1<br>Chapter CHAPTER 1 --- INTRODUCTION --- p.3<br>Chapter 1.1 --- Overview of OCDMA --- p.3<br>Chapter 1.2 --- Classification of OCDMA Schemes --- p.6<br>Chapter 1.3 --- Introduction of Coherent

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"Coding schemes for multicode CDMA systems." 2003. http://library.cuhk.edu.hk/record=b5891482.

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Zhao Fei.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2003.<br>Includes bibliographical references (leaves 87-89).<br>Abstracts in English and Chinese.<br>Chapter 1. --- Introduction --- p.1<br>Chapter 1.1 --- Multirate Scheme --- p.2<br>Chapter 1.1.1 --- VSF Scheme --- p.3<br>Chapter 1.1.2 --- Multicode Scheme --- p.5<br>Chapter 1.2 --- Multicode CDMA System --- p.7<br>Chapter 1.2.1 --- System Model --- p.7<br>Chapter 1.2.2 --- Envelope Variation of Multicode Signal --- p.9<br>Chapter 1.2.3 --- Drawback of Multicode Scheme --- p.11<br>Chapter 1.3 --- Organization of the Thes

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Bejide, Emmanuel Oluremi. "Combined turbo coding and interference rejection for DS-CDMA." Thesis, 2004. http://hdl.handle.net/10413/3978.

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This dissertation presents interference cancellation techniques for both the Forward Error Correction (FEC) coded and the uncoded Direct Sequence Code Division Multiple Access (DS-CDMA) systems. Analytical models are also developed for the adaptive and the non-adaptive Parallel Interference Cancellation (PlC) receivers. Results that are obtained from the computer simulations of the PlC receiver types confirm the accuracy of the analytical models that are developed. Results show that the Least Mean Square (LMS) algorithm based adaptive PlC receivers have bit error rate performances that are bet

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Cheung, Peter Koon Pong. "Blind linear multiuser detection for DS-CDMA wireless networks." Phd thesis, 1999. http://hdl.handle.net/1885/144946.

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Garg, Gagan. "Analysis Of A Sieving Heuristic For The Number Field Sieve And Design Of Low-Correlation CDMA Sequences." Thesis, 2009. https://etd.iisc.ac.in/handle/2005/1026.

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In this thesis, we investigate in detail, certain important problems in cryptography and coding theory. In the first part of this thesis, we discuss the number field sieve and compare the two ways in which the sieving step is implemented -one method using the line sieve and the other using the lattice sieve. We discuss why the lattice sieve performs better than the line sieve in the presence of large primes -this has not been attempted before. In the second part of this thesis, we design low-correlation CDMA sequences over the Quadrature Amplitude Modulation (QAM) alphabet. The sequences p

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Garg, Gagan. "Analysis Of A Sieving Heuristic For The Number Field Sieve And Design Of Low-Correlation CDMA Sequences." Thesis, 2009. http://hdl.handle.net/2005/1026.

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In this thesis, we investigate in detail, certain important problems in cryptography and coding theory. In the first part of this thesis, we discuss the number field sieve and compare the two ways in which the sieving step is implemented -one method using the line sieve and the other using the lattice sieve. We discuss why the lattice sieve performs better than the line sieve in the presence of large primes -this has not been attempted before. In the second part of this thesis, we design low-correlation CDMA sequences over the Quadrature Amplitude Modulation (QAM) alphabet. The sequences pro

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Byers, Geoffrey James. "Concatenated space-time codes in Rayleigh fading channels." Thesis, 2002. http://hdl.handle.net/10413/4050.

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The rapid growth of wireless subscribers and services as well as the increased use of internet services, suggest that wireless internet access will increase rapidly over the next few years. This will require the provision of high data rate wireless communication services. However the problem of a limited and expensive radio spectrum coupled with the problem of the wireless fading channel makes it difficult to provide these services. For these reasons, the research area of high data rate, bandwidth efficient and reliable wireless communications is currently receiving much attention. Conc

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Anderson, Kevin. "Practical multiuser detection algorithms for CDMA." Thesis, 1999. https://vuir.vu.edu.au/18140/.

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The aim of this thesis is to investigate practical multiuser demodulation algorithms for mobile communications systems that are based on code division multiple access (CDMA) technologies. These include the adaptive receiver and the interference canceller. The overall complexity of implementing them is examined. The effects of the proposed algorithms on reducing of multiple access interference (MAI) and their resistance to the Near Far Effect (NFE) will be explored.

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Singh, Navin Runjit. "Multiuser demodulation for DS-CDMA systems in fading channels." Thesis, 2000. http://hdl.handle.net/10413/5534.

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The problems of optimal as well as suboptimal detection for CDMA transmissions over an additive white Gaussian noise (AWGN) channel, have been the focus of study in the recent past. However, CDMA transmissions are frequently made over channels which exhibit fading and/or dispersion; hence receivers need to be designed which take into account this behaviour. In spite of the major research effort invested in multiuser demodulation techniques, several practical as well as theoretical open problems still exist. Some of them are considered in more detail in this thesis. The aim of the thesis is to

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"Multiple trellis coded 16 QAM." Chinese University of Hong Kong, 1994. http://library.cuhk.edu.hk/record=b5888189.

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by Kingsley, King-chi, Kwan.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 1994.<br>Includes bibliographical references (leaves 85-88).<br>Tables of Contents<br>Lists of Figures & Tables<br>Acknowledgments<br>Abstract<br>Chapter Chapter 1 --- Introduction<br>Chapter 1.1 --- Digital Communication System --- p.P. 1<br>Chapter 1.2 --- Channel Coding --- p.P. 1<br>Chapter 1.3 --- Convolution Encoder --- p.P. 4<br>Chapter 1.4 --- Additive White Gaussian Noise (AWGN) Channel --- p.P. 7<br>Chapter 1.5 --- Trellis Diagram --- p.P. 8<br>Chapter 1.6 --- Error Event and Free Distan

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Paluncic, Filip. "Multiple insertion/deletion correcting and detecting codes : structural analysis, constructions and applications." Thesis, 2012. http://hdl.handle.net/10210/5366.

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D.Ing.<br>This thesis is dedicated to an analysis of fundamental topics and issues related to deterministic insertion/deletion correcting and detecting codes. The most important contributions in this respect are the construction of a multiple insertion/deletion correcting code for run-length limited sequences and the construction and applications of multiple deletion (insertion) detecting codes. It is shown how run-length constraints and higher order moments can be combined to create a code which is simultaneously multiple insertion/deletion error correcting and runlength constrained. A system

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Gor, Leon. "Complexity reduction in multiple input multiple output algorithms." 2007. http://eprints.vu.edu.au/1409/1/gor.pdf.

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Wireless communication devices are currently enjoying increasing popularity and widespread use. The constantly growing number of users, however, results in the shortage of the available spectrum. Various techniques have been proposed to increase the spectrum efficiency of wireless systems to solve the problem. Multiple Input Multiple Output (MIMO) is one solution that employs multiple antennas at the transmitter and receiver. The MIMO algorithms are usually highly complex and computationally intensive. This results in increased power consumption and reduced battery lifespan. This thesis invest

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Gor, Leon. "Complexity reduction in multiple input multiple output algorithms." Thesis, 2007. https://vuir.vu.edu.au/1409/.

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Wireless communication devices are currently enjoying increasing popularity and widespread use. The constantly growing number of users, however, results in the shortage of the available spectrum. Various techniques have been proposed to increase the spectrum efficiency of wireless systems to solve the problem. Multiple Input Multiple Output (MIMO) is one solution that employs multiple antennas at the transmitter and receiver. The MIMO algorithms are usually highly complex and computationally intensive. This results in increased power consumption and reduced battery lifespan. This thesis invest

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Ganesan, T. "Source And Channel Coding Techniques for The MIMO Reverse-link Channel." Thesis, 2014. http://etd.iisc.ac.in/handle/2005/2694.

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In wireless communication systems, the use of multiple antennas, also known as Multiple-Input Multiple-Output(MIMO) communications, is now a widely accepted and important technology for improving their reliability and throughput performance. However, in order to achieve the performance gains predicted by the theory, the transmitter and receiver need to have accurate and up-to-date Channel State Information(CSI) to overcome the vagaries of the fading environment. Traditionally, the CSI is obtained at the receiver by sending a known training sequence in the forward-link direction. This CSI has t

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Ganesan, T. "Source And Channel Coding Techniques for The MIMO Reverse-link Channel." Thesis, 2014. http://etd.iisc.ernet.in/handle/2005/2694.

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In wireless communication systems, the use of multiple antennas, also known as Multiple-Input Multiple-Output(MIMO) communications, is now a widely accepted and important technology for improving their reliability and throughput performance. However, in order to achieve the performance gains predicted by the theory, the transmitter and receiver need to have accurate and up-to-date Channel State Information(CSI) to overcome the vagaries of the fading environment. Traditionally, the CSI is obtained at the receiver by sending a known training sequence in the forward-link direction. This CSI has t

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Natarajan, Lakshmi Prasad. "Low-Complexity Decoding and Construction of Space-Time Block Codes." Thesis, 2013. http://etd.iisc.ac.in/handle/2005/3372.

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Space-Time Block Coding is an efficient communication technique used in multiple-input multiple-output wireless systems. The complexity with which a Space-Time Block Code (STBC) can be decoded is important from an implementation point of view since it directly affects the receiver complexity and speed. In this thesis, we address the problem of designing low complexity decoding techniques for STBCs, and constructing STBCs that achieve high rate and full-diversity with these decoders. This thesis is divided into two parts; the first is concerned with the optimal decoder, viz. the maximum-likelih

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Natarajan, Lakshmi Prasad. "Low-Complexity Decoding and Construction of Space-Time Block Codes." Thesis, 2013. http://etd.iisc.ernet.in/2005/3372.

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Space-Time Block Coding is an efficient communication technique used in multiple-input multiple-output wireless systems. The complexity with which a Space-Time Block Code (STBC) can be decoded is important from an implementation point of view since it directly affects the receiver complexity and speed. In this thesis, we address the problem of designing low complexity decoding techniques for STBCs, and constructing STBCs that achieve high rate and full-diversity with these decoders. This thesis is divided into two parts; the first is concerned with the optimal decoder, viz. the maximum-likelih

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Rajan, G. Susinder. "Low Decoding Complexity Space-Time Block Codes For Point To Point MIMO Systems And Relay Networks." Thesis, 2008. https://etd.iisc.ac.in/handle/2005/742.

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It is well known that communication using multiple antennas provides high data rate and reliability. Coding across space and time is necessary to fully exploit the gains offered by multiple input multiple output (MIMO) systems. One such popular method of coding for MIMO systems is space-time block coding. In applications where the terminals do not have enough physical space to mount multiple antennas, relaying or cooperation between multiple single antenna terminals can help achieve spatial diversity in such scenarios as well. Relaying techniques can also help improve the range and reliability

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Rajan, G. Susinder. "Low Decoding Complexity Space-Time Block Codes For Point To Point MIMO Systems And Relay Networks." Thesis, 2008. http://hdl.handle.net/2005/742.

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It is well known that communication using multiple antennas provides high data rate and reliability. Coding across space and time is necessary to fully exploit the gains offered by multiple input multiple output (MIMO) systems. One such popular method of coding for MIMO systems is space-time block coding. In applications where the terminals do not have enough physical space to mount multiple antennas, relaying or cooperation between multiple single antenna terminals can help achieve spatial diversity in such scenarios as well. Relaying techniques can also help improve the range and reliability

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