Do you need to design efficient wireless communications systems? This unique text provides detailed coverage of radio resource allocation problems in wireless networks and the techniques that can be used to solve them. Covering basic principles and mathematical algorithms, and with a particular focus on power control and channel allocation, you will learn how to model, analyze, and optimize the allocation of resources in both physical and data link layers, and for a range of different network types. Both established and emerging networks are considered, including CDMA and OFDMA wireless networks, relay-based wireless networks, and cognitive radio networks. Numerous exercises help you put knowledge into practice, and provide the tools needed to address some of the current research problems in the field. This is an essential reference whether you are a graduate student, researcher or industry professional working in the field of wireless communication networks.
This textbook provides the reader with a basic understanding of the design and analysis of wireless and mobile communication systems. It deals with the most important techniques, models and tools used today in the design of mobile wireless links and gives an introduction to the design of wireless networks. Topics covered include: fundamentals of radio propagation and antennas; transmission schemes, including modulation, coding and equalising schemes for broadband wireless communications; diversity systems; wireless data transmission; introduction to Wireless Network design and resource management. The fundamentals are illustrated by examples from state-of-the-art technologies such as OFDM, WCDMA, WLANs and others. The book contains a significant number of worked examples and more than 160 problems with answers. It is intended for use in a first graduate course in Wireless Communications and the reader should be familiar with the fundamentals of probability and communication theory.
This unique text provides a comprehensive and systematic introduction to the theory and practice of mobile data networks. Covering basic design principles as well as analytical tools for network performance evaluation, and with a focus on system-level resource management, you will learn how state-of-the-art network design can enable you flexibly and efficiently to manage and trade-off various resources such as spectrum, energy, and infrastructure investments. Topics covered range from traditional elements such as medium access, cell deployment, capacity, handover, and interference management, to more recent cutting-edge topics such as heterogeneous networks, energy and cost-efficient network design, and a detailed introduction to LTE (4G). Numerous worked examples and exercises illustrate the key theoretical concepts and help you put your knowledge into practice, making this an essential resource whether you are a student, researcher, or practicing engineer.
Spinning and baitcasting are a way of fishing that now enjoys a worldwide popularity and ever more rapid development of equipment and baits. This book covers the sport thoroughly with fact-filled pages and illustrations.
The Nutri-Score is currently used in 7 countries in the EU and is part of the German re-duction and innovation strategy to combat non-communicable diseases related to un-healthy eating. The Nutri-Score is intended to inform consumers and serves as a guide when buying packaged food. The aim of this study is to investigate the significance, benefits, function and credibility of the Nutri-Score in Germany from the perspective of nutrition experts, business representatives from food companies, packaging experts and general consumers. A qualitative method was selected for the evaluation and a survey was conducted with the help of expert interviews with 23 industry experts on their personal opinion of the Nutri-Score. The qualitative method allowed the research questions to be considered from the per-spective of different experts and two-sided responses showed that the answers varied depending on the professional background of the experts. In summary, it can be said that the Nutri-Score can be used as a guide for the average consumer, but there are still some suggestions for improvement, such as the consideration of additional ingre-dients, the controlling of the label and a fundamental holistic nutritional education.
This book is based on a graduate course and suitable as a primer for any newcomer to the field, this book is a detailed introduction to the experimental and computational methods that are used to study how solid surfaces act as catalysts. Features include: First comprehensive description of modern theory of heterogeneous catalysis Basis for understanding and designing experiments in the field Allows reader to understand catalyst design principles Introduction to important elements of energy transformation technology Test driven at Stanford University over several semesters
Studies of "near-death experiences" show that such experiences not only provide a new certainty of post-mortem survival, but often function as a call for fundamental change in the present. Reported aftereffects encompass changes in attitudes, beliefs, and life orientation. It is said that "experiencers" have lost their fear of death, found their purpose in life, or become "more spiritual." The experience - often declared to be indescribable, inexplicable, or ineffable - is held by many to be the most important of their lives and, moreover, the best proof available for matters "transcendent." In What Is It Like To Be Dead?, Jens Schlieter argues that to understand recent testimonies of near-death experiences, we need to be aware of the history of innumerable reports of earlier near-death experiences that were communicated and handed down in scores of newspapers, journals, and books. Collections of such testimonies have been published for more than 150 years, accompanied by attempts to classify and interpret them. Schlieter analyzes the religious relevance of near-death experiences -for the experiencers themselves, but also for the growing audience attracted by these testimonies. Near-death experiences bear ontological, epistemic, intersubjective, and moral significance, ranging from reassurance that religious experience is still possible to claims that they initiate a new spiritual orientation in life, or offer evidence for the transcultural validity of afterlife beliefs. This study is the first to document and analyze four centuries of near-death testimonies before the codification of the genre in the 1970s, offering the first full account of the modern genealogy of "near-death experiences.
This textbook provides a comprehensive and didactic introduction from the basics to the current state of the art in the field of EEG/MEG source reconstruction. Reconstructing the generators or sources of electroencephalographic and magnetoencephalographic (EEG/MEG) signals is an important problem in basic neuroscience as well as clinical research and practice. Over the past few decades, an entire theory, together with a whole collection of algorithms and techniques, has developed. In this textbook, the authors provide a unified perspective on a broad range of EEG/MEG source reconstruction methods, with particular emphasis on their respective assumptions about sources, data, head tissues, and sensor properties. An introductory chapter highlights the concept of brain imaging and the particular importance of the neuroelectromagnetic inverse problem. This is followed by an in-depth discussion of neural information processing and brain signal generation and an introduction to the practice of data acquisition. Next, the relevant mathematical models for the sources of EEG and MEG are discussed in detail, followed by the neuroelectromagnetic forward problem, that is, the prediction of EEG or MEG signals from those source models, using biophysical descriptions of the head tissues and the sensors. The main part of this textbook is dedicated to the source reconstruction methods. The authors present a theoretical framework of the neuroelectromagnetic inverse problem, centered on Bayes’ theorem, which then serves as the basis for a detailed description of a large variety of techniques, including dipole fit methods, distributed source reconstruction, spatial filters, and dynamic source reconstruction methods. The final two chapters address the important topic of assessment, including verification and validation of source reconstruction methods, and their actual application to real-world scientific and clinical questions. This book is intended as basic reading for anybody who is engaged with EEG/MEG source reconstruction, be it as a method developer or as a user, including advanced undergraduate students, PhD students, and postdocs in neuroscience, biomedical engineering, and related fields.
The first comprehensive guide to the aquatic plants of the region Beneath the surface of bodies of freshwater—springs, streams, rivers, ponds and lakes—there is a world of plants of great variety and beauty, a realm that is often poorly known and understood. Correctly identified, these plants can tell us much about the character and condition of the habitats in which they live. A collaboration of Danish, German, and British field botanists specializing in freshwater plants, this guide presents all of the known aquatic plants of Northern and Central Europe, including Britain and Ireland, as well as many marginal and wetland species. This is the first comprehensive guide to the identification of the region’s 410 species and hybrids of both native and non-native ferns and flowering plants that are dependent upon freshwater wetlands. Following the latest taxonomy, the book features 358 plates in pen and ink, more than 1,400 colour photographs, illustrated keys, distribution maps and detailed descriptions. The introduction gives an overview of evolution, anatomy and morphology, ecology, eco-physiology, research traditions and more, and the book also includes guidelines for working with aquatic plants. The first comprehensive guide to the region’s aquatic plants Covers all 410 known species Features 358 illustrated plates, more than 1,400 colour photographs, distribution maps, detailed descriptions and much more
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