Theory and Applications of OFDM and CDMA is an ideal foundation textbook for those seeking a sound knowledge of this fast-developing field of wideband communications. The advanced transmission techniques of OFDM, applied in wireless LANs and in digital and video broadcasting, and CDMA, the foundation of 3G mobile communications, have been part of almost every communication system that has been designed in recent years, with both offering a high degree of flexibility in adjusting the system to the requirements of the application and to the impairments caused by the transmission channel. Starting from the basics of digital transmission theory, the reader gains a comprehensive overview of the underlying ideas of these techniques and their strengths and weaknesses under various conditions. In this context, the specific requirements of the mobile radio channel and their relevance for the design of digital transmission systems are discussed and related to the items of channel coding and modulation. Clear explanation of the basics of digital communications, mobile radio channels, coding and modulation, OFDM as a multicarrier system and CDMA as an application of spread spectrum techniques Discusses the most important mobile radio and digital broadcasting systems that use OFDM and CDMA, and explains in detail the underlying ideas for the choice of system parameters Progresses from the fundamentals of wideband communication through to modern applications Includes a Companion Website featuring a solutions manual, electronic versions of the figures and other useful resources This volume will be an invaluable resource to advanced undergraduate students and first/second year postgraduates of electrical and engineering and telecommunications. It will also appeal to practising engineers, researchers and those in academia who wish to expand their knowledge on modern aspects of digital communications and systems in a mobile radio environment.
Theory and Applications of OFDM and CDMA is an ideal foundation textbook for those seeking a sound knowledge of this fast-developing field of wideband communications. The advanced transmission techniques of OFDM, applied in wireless LANs and in digital and video broadcasting, and CDMA, the foundation of 3G mobile communications, have been part of almost every communication system that has been designed in recent years, with both offering a high degree of flexibility in adjusting the system to the requirements of the application and to the impairments caused by the transmission channel. Starting from the basics of digital transmission theory, the reader gains a comprehensive overview of the underlying ideas of these techniques and their strengths and weaknesses under various conditions. In this context, the specific requirements of the mobile radio channel and their relevance for the design of digital transmission systems are discussed and related to the items of channel coding and modulation. Clear explanation of the basics of digital communications, mobile radio channels, coding and modulation, OFDM as a multicarrier system and CDMA as an application of spread spectrum techniques Discusses the most important mobile radio and digital broadcasting systems that use OFDM and CDMA, and explains in detail the underlying ideas for the choice of system parameters Progresses from the fundamentals of wideband communication through to modern applications Includes a Companion Website featuring a solutions manual, electronic versions of the figures and other useful resources This volume will be an invaluable resource to advanced undergraduate students and first/second year postgraduates of electrical and engineering and telecommunications. It will also appeal to practising engineers, researchers and those in academia who wish to expand their knowledge on modern aspects of digital communications and systems in a mobile radio environment.
A practical handbook for the planning and construction of all forms of apertures and openings, from doors to skylights, from the first design idea to the final details, ideal for quick and targeted consultation.
An “excellent” history of the often overlooked WWII campaign in which Hitler secured a vital resource lifeline for the Third Reich (Library Journal). After Hitler conquered Poland and was still fine-tuning his plans against France, the British began to exert control over the coastline of neutral Norway, an action that threatened to cut off Germany’s iron-ore conduit to Sweden and outflank from the start its hegemony on the Continent. The Germans responded with a dizzying series of assaults, using every tool of modern warfare developed in the previous generation. Airlifted infantry, mountain troops, and paratroopers were dispatched to the north, seizing Norwegian strongpoints while forestalling larger but more cumbersome Allied units. The German navy also set sail, taking a brutal beating at the hands of Britannia, but ensuring with its sacrifice that key harbors would be held open for resupply. As dive-bombers soared overhead, small but elite German units traversed forbidding terrain to ambush Allied units trying to forge inland. At Narvik, some six thousand German troops battled twenty thousand French and British until the Allies were finally forced to withdraw by the great disaster in France, which had then gotten underway. Henrik Lunde, a native Norwegian and former US Special Operations colonel, has written the most objective account to date of a campaign in which twentieth-century military innovation found its first fertile playing field.
Do aesthetic appeals to senses and emotions in political debate necessarily marginalise political reason and reduce citizens to consumers – thus dangerously undermining democracy? Or is sensuous-emotional engagement, on the contrary, a basic fact of the political process and a crucial precondition for revitalising democracy? Aesthetics and Political Culture in Modern Society investigates the current interrelationship between aesthetic practice and political practice in Western democracies, focusing on its impact on democratic political culture. Henrik Kaare Nielsen argues that aesthetic interventions in the political process do not by definition undermine politics’ content of reason. Instead, a differentiation must be made between a multiplicity of aesthetic forms of intervention – some of which tend to weaken the political judgement of citizens while other forms tend to stimulate competent judgement. This book will be of interest to scholars in the fields of political science, sociology, media studies, and cultural studies.
First published in 1972, this book on Weber's methodological writings is today regarded as a modern classic in its field. In this new expanded edition, the author has revised and updated the original text, and translated the numerous German quotations into English. He has also added a new introduction, where he discusses major issues raised in the relevant secondary literature since 1972. The author traces the relationship between values and science in Max Weber's methodology of its central aspects: value freedom, value relation (Wertbeziehung), value analysis, the ideal type and the special problems which pertain to the sphere of politics. Weber's thought is presented and discussed on the basis of a meticulous analysis of all available, published or unpublished, original material. The book is indispensable for all serious Weber scholars and provides the general student with a clear, accessible and authoritative exposition of major aspects of Weber's methodology.
Inhaltsangabe:Introduction: In order to stay ahead of the competition companies are more and more forced to turn their attention to their real assets: their customers. Both, the value of the individual customer and the development of personalized relationships with them have made customer relationship management as one of the emerging topics in the last years. Faced with the increased knowledge of the customers about existing product- and service offerings on the market, companies are more than ever required to develop specific customer knowledge in order to adapt their products and services according to the requirements of the customer. Customer relationship management is no longer something that only huge leading enterprises use in order to gain a competitive advantage. In the increased competitive landscape, it is now a necessity for survival even for small and medium-sized enterprises. Customer relationship management is a complex and difficult way of doing business. CRM means more than just installing a software or automating customer touch points. It is about the reinvention of a customer-oriented organization. According to the special requirements of small and medium-sized businesses, the degree of difficulty of the CRM approach even increased. The following Bachelor s Thesis reveals the overall importance of a customer relationship management system especially for small and medium-sized enterprises. In addition to the topic of CRM, the increasing importance and possibilities of open source software is revealed. The main research question consists of the idea if open source customer relationship management systems are able to fulfill the requirements of a CRM software. In order to be able to answer this question, the following Bachelor s Thesis made use of the literature available on the topics CRM, special requirements of small and medium-sized enterprises, and the topic of open source software. By revealing what a CRM have to fulfill in order to be classified as customer relationship management system according to the findings in the literature, various requirements are identified. In the next step, the three most popular open source CRM software systems Sugar CRM, vTiger, and OpenCRX are scrutinized under the criteria if they are able to fulfill the requirements defined in the previous steps. The conclusion discusses the previous findings and outlines the chances and limits of open source customer relationship management [...]
Freedmen occupied a complex and often problematic place in Roman society between slaves on the one hand and freeborn citizens on the other. Playing an extremely important role in the economic life of the Roman world, they were also a key instrument for replenishing and even increasing the size of the citizen body. This book presents an original synthesis, for the first time covering both Republic and Empire in a single volume. While providing up-to-date discussions of most significant aspects of the phenomenon, the book also offers a new understanding of the practice of manumission, its role in the organisation of slave labour and the Roman economy, as well as the deep-seated ideological concerns to which it gave rise. It locates the freedman in a broader social and economic context, explaining the remarkable popularity of manumission in the Roman world.
Plebs and Politics in the Late Roman Republic analyses the political role of the masses in a profoundly aristocratic society. Constitutionally the populus Romanus wielded almost unlimited powers, controlling legislation and the election of officials, a fact which has inspired 'democratic' readings of the Roman republic. In this book a distinction is drawn between the formal powers of the Roman people and the practical realization of these powers. The question is approached from a quantitative as well as a qualitative perspective, asking how large these crowds were, and how their size affected their social composition. Building on those investigations, the different types of meetings and assemblies are analysed. The result is a picture of the place of the masses in the running of the Roman state, which challenges the 'democratic' interpretation, and presents a society riven by social conflicts and a widening gap between rich and poor.
The politics of the Roman Republic has in recent decades been the subject of intense debate, covering issues such as the degree of democracy and popular influence, 'parties' and ideology, politics as public ritual, and the character of Rome's political culture. This engaging book examines all these issues afresh, and presents an original synthesis of Rome's political institutions and practices. It begins by explaining the development of the Roman constitution over time before turning to the practical functioning of the Republic, focusing particularly on the role of the populus Romanus and the way its powers were expressed in the popular assemblies. Henrik Mouritsen concludes by exploring continuity and change in Roman politics as well as the process by which the republican system was eventually replaced by monarchy. This original and readable book will be important for all students and scholars of Roman history and of politics in general.
Denmark and Switzerland are small and successful countries with exceptionally content populations. However, they have very different political institutions and economic models. They have followed the general tendency in the West toward economic convergence, but both countries have managed to stay on top. They both have a strong liberal tradition, but otherwise their economic strategies are a welfare state model for Denmark and a safe haven model for Switzerland. The Danish welfare state is tax-based, while the expenditures for social welfare are insurance-based in Switzerland. The political institutions are a multiparty unicameral system in Denmark, and a permanent coalition system with many referenda and strong local government in Switzerland. Both approaches have managed to ensure smoothly working political power-sharing and economic systems that allocate resources in a fairly efficient way. To date, they have also managed to adapt the economies to changes in the external environment with a combination of stability and flexibility.
Bavaria is by far the most popular destination in Germany for both international and domestic tourists. This is no real surprise since it includes such a wide range of attractions, from historical sights to natural beauty, high culture, relaxation in world-class spas, and hiking, cycling, mountain climbing, and skiing. Castles, palaces, monasteries, churches, and historical towns abound. Its rivers offer great opportunities for watersports as well as easy cycling and hiking routes. The Alps are famous for winter sports while forested mountain ranges are scattered through Bavaria. Munich is the central attraction, with an astonishing range of excellent museums, pleasant beer gardens and beer halls, as well as numerous restaurants ranging from international fast-food chains to haute cuisine. There are classical music concerts and the original Oktoberfest is held here. Nuremberg, with its Nazi history, is also in Bavaria, as are the idyllic Alpine villages of Berchtesgaden and Garmisch-Partenkirchen, not to mention the Romantic Road, with Dinkelsbühl, Augsburg and Rothenburg ob der Tauber. We visit all the best castles (including Neuschwanstein, home of Mad King Ludwig), the museums, churches and historic sites. Cruises, concerts, town and country walks, kayaking, cycling – it's all detailed here.
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