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Contribucion A La Caracterizacion De Los Sistemas De Comunicaciones Moviles Alternativas A La Mejora De La Capacidad De Un Sistema
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Book Synopsis Contribución a la caracterización de los sistemas de comunicaciones móviles by : Juan Luis Gorricho Moreno
Download or read book Contribución a la caracterización de los sistemas de comunicaciones móviles written by Juan Luis Gorricho Moreno and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Contribución a la caracterización de los sistemas de comunicaciones móviles: alternativas a la mejora de la capacidad de un sistema by :
Download or read book Contribución a la caracterización de los sistemas de comunicaciones móviles: alternativas a la mejora de la capacidad de un sistema written by and published by . This book was released on 1903 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: RESUMEN Esta Tesis presenta un estudio detallado de los mecanismos de control de potencia para un sistema de comunicaciones móviles basado en la técnica de multiplexado CDMA. En particular se ha llevado a cabo una evaluación de la capacidad de los sistemas que combinan el uso del control de potencia y la técnica de soft handover en sus diferentes modalidades de combinación de las señales recibidas. Adicionalmente el estudio incluye la evaluación de la capacidad de los sistemas móviles CDMA cuando éstos en el futuro den servicio a las aplicaciones multimedia. El estudio incluye una original y sencilla demostración analítica de dimensionado de la capacidad de los sistemas CDMA que utilizan maximal ratio como técnica de combinación de señales recibidas en macrodiversidad. Otro de los puntos originales de esta Tesis es la propuesta de un nuevo mecanismo de asignación de estaciones base entre terminales móviles comunicantes, óptimo en términos de capacidad. Se parte de un estudio analítico de los sistemas CDMA con diferentes alternativas de combinación de las señales recibidas y se construye un entorno de simulación que se emplea como herramienta de validación de los resultados analíticos. El trabajo realizado profundiza en el aspecto clave de los llamados sistemas móviles de tercera generación. Más concretamente en el control de potencia y la macrodiversidad. Los resultados son novedosos y aportan soluciones en las áreas especificadas. Esta opinión está refrendada por las publicaciones de los resultados en congresos y revistas de ámbito internacional. ----------------------------- ABSTRACT This Thesis presents an in depth study on the power control mechanism used in mobile communications based on the CDMA multiplexing technique. In particular, the study develops an in depth evaluation on the capacity of those systems combining the power control and the soft-handover technique in its different modalities. In addition, the study includes the evaluation on the system capac.
Book Synopsis Contribución a la caracterización de los mecanismos de acceso y traspaso en sistemas móviles celulares basados en transmisión de paquetes by :
Download or read book Contribución a la caracterización de los mecanismos de acceso y traspaso en sistemas móviles celulares basados en transmisión de paquetes written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: La estandarización del esquema de acceso radio para los futuros sistemas de telecomunicación está a punto de ser una realidad. En el calendario propuesto por ITU para llevar a cabo la elaboración del estándar, se prevé que las primeras versiones de las especificaciones técnicas puedan estar disponibles a principios del año 2000. Pero la llegada de la tercera generación, conocida bajo el concepto IMT-2000 dentro de ITU y como UMTS en el ámbito europeo, no estsupeditada únicamente a la incorporación del nuevo sistema de acceso radio, sino que existe una marcada tendencia de migración de los sistemas móviles actuales hacia la provisión de los diferentes servicios y prestaciones ambicionados en el sistema IMT-2000/UMTS. Por tanto, el sistema IMT-2000/UMTS se plantea como una convergencia de diferentes sistemas y nuevas tecnologías que, paulatinamente, van armonizando sus características para poder llegar a conseguir una única plataforma global de telecomunicaciones. Y una de las directrices seguidas en dicha convergencia es la adopción de las denominadas técnicas de transmisión en modo paquete en sustitución de las actuales soluciones basadas en conmutación de circuitos. Algunos de los argumentos esgrimidos a favor de la incorporación de mecanismos de transmisión en modo paquete son los siguientes: * La posibilidad de realizar un uso más eficiente de los recursos radio disponibles. La asignación fija durante el transcurso de toda una conexión puede resultar completamente ineficiente para servicios a ráfagas o con tasas de transmisión fluctuantes. * Mayor flexibilidad a la hora de integrar tráfico de diferente naturaleza, como por ejemplo, voz, datos, deñales de vídeo, etc. * La mayor imbricación de las tecnologías de la información (IT), orientadas a paquetes, en las tecnologías de telecomunicaciones. * La integración paulatina de las redes de acceso móviles a una plataforma.
Book Synopsis Sistemas de comunicaciones móviles by : Juan Pascual García
Download or read book Sistemas de comunicaciones móviles written by Juan Pascual García and published by . This book was released on 2010 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Land Tenure and Rural Development by : Food and Agriculture Organization of the United Nations
Download or read book Land Tenure and Rural Development written by Food and Agriculture Organization of the United Nations and published by FAO. This book was released on 2002 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication deals with key issues in land tenure, especially as they relate to food insecurity and rural development situations. Land tenure issues are frequently ignored in rural development interventions, with often long-lasting, negative results. This guide is designed to assist technical officers in governments and civil society in understanding why and how land tenure issues should be considered in rural development projects. It analyses important contexts such as environmental degradation, gender discrimination, and conflicts, where land tenure is currently of critical concern.
Author :Food and Agriculture Organization of the United Nations Publisher :Food & Agriculture Org. ISBN 13 :9251345619 Total Pages :420 pages Book Rating :4.2/5 (513 download)
Book Synopsis Indigenous Peoples’ food systems by : Food and Agriculture Organization of the United Nations
Download or read book Indigenous Peoples’ food systems written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2021-06-25 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication provides an overview of the common and unique sustainability elements of Indigenous Peoples' food systems, in terms of natural resource management, access to the market, diet diversity, indigenous peoples’ governance systems, and links to traditional knowledge and indigenous languages. While enhancing the learning on Indigenous Peoples food systems, it will raise awareness on the need to enhance the protection of Indigenous Peoples' food systems as a source of livelihood for the 476 million indigenous inhabitants in the world, while contributing to the Zero Hunger Goal. In addition, the UN Decade of Action on Nutrition (2016-2025) and the UN Food Systems Summit call on the enhancement of sustainable food systems and on the importance of diversifying diets with nutritious foods, while broadening the existing food base and preserving biodiversity. This is a feature characteristic of Indigenous Peoples' food systems since hundreds of years, which can provide answers to the current debate on sustainable food systems and resilience.
Book Synopsis Benchmarking Water Services by : Enrique Cabrera Jr
Download or read book Benchmarking Water Services written by Enrique Cabrera Jr and published by IWA Publishing. This book was released on 2011-03-01 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: Benchmarking has become a key tool in the water industry to promote and achieve performance targets for utilities. The use of this tool for performance improvement through systematic search and adaptation of leading practices, has expanded globally during the past decade. Many ongoing projects worldwide aim to address different needs and objectives, in varying contexts, with outstanding results and impact. Benchmarking Water Services provides valuable information to everyone interested in benchmarking in the water industry. The text is aimed at utilities considering joining a benchmarking project, experienced practitioners in charge of organizing a benchmarking exercise, consultants, regulators and researchers. The document is presented with a clear practice oriented approach and can be used as a how-to-benchmark guide presented from different perspectives (participants, organizers, supervising bodies). Readers will gain practical insight on real life benchmarking practices and will benefit from the experiences gained in some of the leading benchmarking projects of the water industry (including the IWA-WSAA benchmarking efforts, the European Benchmarking Co-operation and the several benchmarking projects carried out in Austria and Central Europe). The manual also presents the new IWA Benchmarking Framework, which aims to harmonize the terms used to describe benchmarking and performance indicators practices in the water industry, guaranteeing a more fluent and efficient communication. This Manual of Best Practice is edited by the IWA Specialist Group on Benchmarking and Performance Assessment, and co-published by AWWA and IWA Publishing. Praise for Benchmarking Water Services: "The continual trend of conceptual to specifics throughout the book provides for an educational experience each time the book is either casually perused or carefully studied." "The authors (Cabrera, Haskins and Fritiz) diligently pursue the focus of improvement." "Benchmarking Water Services is an in depth and practical ‘must have’ guide for any utility currently engaged in or planning to develop a benchmarking process" - Gregory M. Baird (2012) Benchmarking: An International Journal 19:2. More information about the book can be found on the Water Wiki in an article written by the author: http://www.iwawaterwiki.org/xwiki/bin/view/Articles/TheNewIWABenchmarkingFramework A Spanish language version of this book is available as a free eBook: http://www.iwawaterwiki.org/xwiki/bin/view/Articles/eBookTitlesfromIWAPublishingFreetoDownload-Volume2#HBenchmarkingParaServiciosdeAgua
Book Synopsis Illinois 2021 Rules of the Road by : State of State of Illinois
Download or read book Illinois 2021 Rules of the Road written by State of State of Illinois and published by . This book was released on 2021-07-19 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: Illinois 2021 Rules of the Road handbook, drive safe!
Download or read book Mahatma Gandhi written by Dennis Dalton and published by Columbia University Press. This book was released on 2012-02-21 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dennis Dalton's classic account of Gandhi's political and intellectual development focuses on the leader's two signal triumphs: the civil disobedience movement (or salt satyagraha) of 1930 and the Calcutta fast of 1947. Dalton clearly demonstrates how Gandhi's lifelong career in national politics gave him the opportunity to develop and refine his ideals. He then concludes with a comparison of Gandhi's methods and the strategies of Martin Luther King Jr. and Malcolm X, drawing a fascinating juxtaposition that enriches the biography of all three figures and asserts Gandhi's relevance to the study of race and political leadership in America. Dalton situates Gandhi within the "clash of civilizations" debate, identifying the implications of his work on continuing nonviolent protests. He also extensively reviews Gandhian studies and adds a detailed chronology of events in Gandhi's life.
Book Synopsis Radio Spectrum Management by : Haim Mazar (Madjar)
Download or read book Radio Spectrum Management written by Haim Mazar (Madjar) and published by John Wiley & Sons. This book was released on 2016-08-29 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the fundamentals of wireless communications and services, explaining in detail what RF spectrum management is, why it is important, which are the authorities regulating the use of spectrum, and how is it managed and enforced at the international, regional and national levels. The book offers insights to the engineering, regulatory, economic, legal, management policy-making aspects involved. Real-world case studies are presented to depict the various approaches in different countries, and valuable lessons are drawn. The topics are addressed by engineers, advocates and economists employed by national and international spectrum regulators. The book is a tool that will allow the international regional and national regulators to better manage the RF spectrum, and will help operators and suppliers of wireless communications to better understand their regulators.
Book Synopsis International Community Psychology by : Stephanie Reich
Download or read book International Community Psychology written by Stephanie Reich and published by Springer Science & Business Media. This book was released on 2007-07-03 with total page 461 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first in-depth guide to global community psychology research and practice, history and development, theories and innovations, presented in one field-defining volume. This book will serve to promote international collaboration, enhance theory utilization and development, identify biases and barriers in the field, accrue critical mass for a discipline that is often marginalized, and to minimize the pervasive US-centric view of the field.
Book Synopsis Enhancing Synergies in a Collaborative Environment by : Pablo Cortés
Download or read book Enhancing Synergies in a Collaborative Environment written by Pablo Cortés and published by Springer. This book was released on 2015-02-04 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains a selection of the best papers presented at the 8th International Conference on Industrial Engineering and Industrial Management, XX International Conference on Industrial Engineering and Operations Management, and International IIE Conference 2014, hosted by ADINGOR, ABEPRO and the IIE, whose mission is to promote links between researchers and practitioners from different branches, to enhance an interdisciplinary perspective of industrial engineering and management. The conference topics covered: operations research, modelling and simulation, computer and information systems, operations research, scheduling and sequencing, logistics, production and information systems, supply chain and logistics, transportation, lean management, production planning and control, production system design, reliability and maintenance, quality management, sustainability and eco-efficiency, marketing and consumer behavior, business administration and strategic management, economic and financial management, technological and organizational innovation, strategy and entrepreneurship, economics engineering, enterprise engineering, global operations and cultural factors, operations strategy and performance, management social responsibility, environment and sustainability. This book will be of interest to researchers and practitioners working in any of the fields mentioned above.
Book Synopsis Emerging Theories in Health Promotion Practice and Research by : Ralph J. DiClemente
Download or read book Emerging Theories in Health Promotion Practice and Research written by Ralph J. DiClemente and published by John Wiley & Sons. This book was released on 2009-09-29 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Here is a 'must-read' for all health promotion researchers and practitioners eager to stay one step ahead of the pack. A panoply of insightful and promising new approaches is presented for consideration and exploration in our contemporary behavioral science arsenal." — M. Elaine Auld, MPH, CHES, Chief Executive Officer, Society for Public Health Education "This book is an essential addition to the health practice and research literature, concentrating on theories that have not been extensively covered elsewhere and that have great currency. It provides an up-to-date rendition on the interplay among contemporary public health concerns, sound public health practice, and the theoretical bases for practice."— Robert M. Goodman, PhD, MPH, Dean and Professor, School of Health, Physical Education, and Recreation, Indiana University "The authors of Emerging Theories provide vivid descriptions of the state of the science in health promotion and presents an exciting map for future research. Understanding and using theories is the hallmark of an excellent practitioner. Creating and elaborating theories is the mark of an excellent researcher. This text will be very valuable for both." — Noreen M. Clark, PhD, Myron E. Wegman Distinguished University Professor; Director, Center for Managing Chronic Disease, University of Michigan "Emerging Theories captures the dynamic growth in theories of health promotion and illustrates how divergent theoretical perspectives are being integrated into richer explanatory and practice models." — Matthew W. Kreuter, PhD, MPH, Professor of Social Work and Medicine; Director, Health Communication Research Laboratory, Washington University in St. Louis
Book Synopsis Disabled Widows by : Donald T. Ferron
Download or read book Disabled Widows written by Donald T. Ferron and published by . This book was released on 1972 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Report and compilation of statistical tables resulting from a survey of the handicapped (disabled person), undertaken in 1966 by the social security administration, on demographic aspects and health-related characteristics of handicapped widowed married women in the USA, together with information on their eligibility to receive disability benefits.
Book Synopsis Guidelines for Protected Areas Legislation by : Barbara J. Lausche
Download or read book Guidelines for Protected Areas Legislation written by Barbara J. Lausche and published by IUCN. This book was released on 2011 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: The central aim of this publication is to consider the key elements of a modern, comprehensive, and effective legal framework for successful management of protected areas. They provide practical guidance for all those involved in developing, improving, or reviewing national legislation on protected areas, be they legal drafters and practitioners, protected area managers, interested NGOs, or scholars. These guidelines include fifteen case studies, eight dealing with the protected area legislation of individual countries and six cases dealing with specific sites providing fundamental solutions that stand the test of time.
Book Synopsis Consumer Action Handbook, 2010 Edition by : U.S. Services Administration
Download or read book Consumer Action Handbook, 2010 Edition written by U.S. Services Administration and published by GPO FCIC. This book was released on 2010 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: Use this guide to get help with consumer purchases, problems and complaints. Find consumer contacts at hundreds of companies and trade associations; local, state, and federal government agencies; national consumer organizations; and more.
Book Synopsis Tourism in National Parks and Protected Areas by : Paul F. J. Eagles
Download or read book Tourism in National Parks and Protected Areas written by Paul F. J. Eagles and published by CABI. This book was released on 2002 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the state of the art of tourism planning and management in national parks and protected areas. It also provides guidelines for best practice in tourism operations. Other objectives are to: Describe case studies and guidelines that contribute to conservation of biological diversity; consider the role of local communities within or near these areas; outline the development of tourism infrastructure and services; discuss visitor management; provide guidelines to enhance the quality of the tourism experience. The focus is global and the book will appeal to both academics and practitioners.
