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The quality of telecommunication voice services has become an important issue due to the evolving and liberalized market. With the advent of new technologies, however, a diversification takes place which makes it necessary to carefully plan and observe network quality. Speech communication quality - as it is perceived by the user or customer of a service - carries a multidimensional nature, a fact which must be reflected in its assessment and prediction with quality models. In this book a new schematic is developed which classifies different entities contributing to the quality of a service. It takes into account conversational user as well as service-related contributions. Starting from this concept, perceptively relevant constituents of speech communication quality are identified. A simulation model is developed and implemented, based on physical elements of the transmission configuration. It allows the perceptively most relevant parameters to be simulated, in real time and for the conversation situation. The book gives a valuable overview on assessment needed for reliably measuring the different quality dimensions. For the planning of telephone networks, quality models are presented which aim at predicting mouth-to-ear quality as it would be perceived by a user of the system. These models are an important tool for the planner of telecommunication networks, as they allow the expected quality to be estimated in advance, even before the network has been set up. Two well-known models (the SUBMOD and the E-model) are analyzed in more detail, with an emphasis on the psychoacoustic and psychophysical backgrounds. It turns out that model predictions are satisfactory for many types of degradations, but they can still be improved especially for new types of impairments. Proposals are made for quality model enhancement and combined approaches. Due to its `handbook' character, this book is an invaluable source of background information for anyone working in the field of speech quality assessment as well as telephone network planning and operation.
Book Description : 1. QoS and QoE Theory 2. Procedure of Key Performance Indicators Determination 3. Details of QoS parameters in the various International Standards 4. QoS Measurement 5. Availability & Reliability Calculation 6. Network Availability and Network Accessibility in Cellular Network 7. Telephony Service QoS 8. Short Message Service QoS 9. The Internet Service QoS
From cloud computing to data analytics, society stores vast supplies of information through wireless networks and mobile computing. As organizations are becoming increasingly more wireless, ensuring the security and seamless function of electronic gadgets while creating a strong network is imperative. Advanced Methodologies and Technologies in Network Architecture, Mobile Computing, and Data Analytics highlights the challenges associated with creating a strong network architecture in a perpetually online society. Readers will learn various methods in building a seamless mobile computing option and the most effective means of analyzing big data. This book is an important resource for information technology professionals, software developers, data analysts, graduate-level students, researchers, computer engineers, and IT specialists seeking modern information on emerging methods in data mining, information technology, and wireless networks.
This pioneering book develops definitions and concepts related to Quality of Experience in the context of multimedia- and telecommunications-related applications, systems and services and applies these to various fields of communication and media technologies. The editors bring together numerous key-protagonists of the new discipline “Quality of Experience” and combine the state-of-the-art knowledge in one single volume.
Effective project management tailored to the needs of the telecommunications industry "In our rapidly changing world, the information and communication technologies and services have an immense impact on virtually all aspects of our lives. . . . With his deep understanding of the telecommunication services, and his rich experiences in both standardization activities and teaching practice, [Dr. Sherif's] book provides a very clear analysis of development projects in telecommunication services. I believe the readers will find this book very useful and interesting." —Houlin Zhao, Director, Telecommunication Standardization Bureau,International Telecommunication Union "Dr. Sherif's book is an important contribution to the project management literature. With the domination of the service economy in recent years, the book addresses the unique features of telecommunication services, a critical pillar of the service sector. Development projects in telecommunications require combining good knowledge of the fundamentals of project management with clear understanding of the complexities arising from fast-changing technology, deregulations, standards, accountability, and supply chain management difficulties. This book addresses the much-needed integrative approach very well." —Tarek Khalil, President, International Association for Management of Technology (IAMOT) While there has been much written about project management, the vast majority of the literature focuses on industrial design and production. In Managing Projects in Telecommunication Services, Mostafa Hashem Sherif effectively demonstrates the unique requirements of projects in telecommunication services and, consequently, the benefits of an integrated approach to project management that is specifically tailored to the telecommunications industry. Managing Projects in Telecommunication Services draws from a wide range of disciplines, including organizational management, motivation, quality control, and software engineering. All the theory and practical guidance that an effective telecommunications project manager needs is provided. The text is divided into three main parts: Chapters 1 through 3 set forth the special characteristics of telecommunications projects, including technology life cycle, type of innovation, and project organization Chapters 4 through 10 cover the areas that the Project Management Institute has standardized in its publication A Guide to the Project Management Body of Knowledge (PMBOK® Guide), focusing on the issues specific to telecommunications. Chapters address scope, schedule and cost, information and communication, human resources, quality, vendor management, and risk Chapters 11 and 12 integrate and summarize all of the concepts for the planning and delivery of a project Chapters are loaded with examples and case studies, many from the author's personal experience, that demonstrate the benefits of good project management and the consequences of poor project management. Each chapter includes a summary of key points. References are also provided to facilitate further research and study. For project managers as well as students in telecommunications, this text is unsurpassed. It not only covers the theory and practice of effective project management, it also tailors its discussion specifically to the unique needs of the telecommunications industry. (PMBOK is a registered mark of the Project Management Institute, Inc.)
So-called Intent-Based Networking (IBN) is founded on well-known SDN (Software-Defined Networking) and represents one of the most important emerging network infrastructure opportunities. The IBN is the beginning of a new era in the history of networking, where the network itself translates business intentions into appropriate network configurations for all devices. This minimizes manual effort, provides an additional layer of network monitoring, and provides the ability to perform network analytics and take full advantage of machine learning. The centralized, software-defined solution provides process automation and proactive problem solving as well as centralized management of the network infrastructure. With software-based network management, many operations can be performed automatically using intelligent control algorithms (artificial intelligence and machine learning). As a result, network operation costs, application response times and energy consumption are reduced, network reliability and performance are improved, network security and flexibility are enhanced. This will be a benefit for existing networks as well as evolved LTE-based mobile networks, emerging Internet of Things (IoT), Cloud systems, and soon for the future 5G/6G networks. The future networks will reach a whole new level of self-awareness, self-configuration, self-optimization, self-recovery and self-protection. This volume consists of 28 chapters, based on recent research on IBN.The volume is a collection of the most important research for the future intent-based networking deployment provided by different groups of researchers from Ukraine, Germany, Slovak Republic, Switzerland, South Korea, China, Czech Republic, Poland, Brazil, Belarus and Israel. The authors of the chapters from this collection present in depth extended research results in their scientific fields.The presented contents are highly interesting while still being rather practically oriented and straightforward to understand. Herewith we would like to wish all our readers a lot of inspiration by studying of the volume!
This open access book was prepared as a Final Publication of the COST Action IC1304 “Autonomous Control for a Reliable Internet of Services (ACROSS)”. The book contains 14 chapters and constitutes a show-case of the main outcome of the Action in line with its scientific goals. It will serve as a valuable reference for undergraduate and post-graduate students, educators, faculty members, researchers, engineers, and research strategists working in this field. The explosive growth of the Internet has fundamentally changed the global society. The emergence of concepts like SOA, SaaS, PaaS, IaaS, NaaS, and Cloud Computing in general has catalyzed the migration from the information-oriented Internet into an Internet of Services (IoS). This has opened up virtually unbounded possibilities for the creation of new and innovative services that facilitate business processes and improve the quality of life. However, this also calls for new approaches to ensuring the quality and reliability of these services. The objective of this book is, by applying a systematic approach, to assess the state-of-the-art and consolidate the main research results achieved in this area.
This textbook characterizes the economics of telecommunication services from an engineering perspective. The authors bring out the fundamental drivers of the industry and characterize networks from a graph theoretic perspective, including random, small world, and scale free networks. The authors relate the topology of a telecommunication network using circuit and packet switched architectures to throughput and other performance parameters. The pricing model proposed in this book is based on the cost of displaced opportunity as opposed to the cost of the elements of the network engaged in delivering a service. The displaced opportunity is characterized by the revenue associated with the service that the network could have alternatively delivered most efficiently using an identical level of resources. The book addresses other topics such as regulation in legacy networks, and net neutrality. Finally, the book introduces the application of game theory in a multi-vendor, multi-services competitive marketplace. The book aims to bridge the gap between the science of economics as practiced by economists and practice of pricing from a telecommunication engineer’s perspective. This book is suitable for use by senior undergraduate or graduate students of telecommunication engineering or researchers and practitioners in telecommunication engineering.
"This book further explores various issues and proposed solutions for the provision of Quality of Service (QoS) on the wireless networks"--Provided by publisher.
For any organization to be successful, it must operate in such a manner that knowledge and information, human resources, and technology are continually taken into consideration and managed effectively. Business concepts are always present regardless of the field or industry – in education, government, healthcare, not-for-profit, engineering, hospitality/tourism, among others. Maintaining organizational awareness and a strategic frame of mind is critical to meeting goals, gaining competitive advantage, and ultimately ensuring sustainability. The Encyclopedia of Organizational Knowledge, Administration, and Technology is an inaugural five-volume publication that offers 193 completely new and previously unpublished articles authored by leading experts on the latest concepts, issues, challenges, innovations, and opportunities covering all aspects of modern organizations. Moreover, it is comprised of content that highlights major breakthroughs, discoveries, and authoritative research results as they pertain to all aspects of organizational growth and development including methodologies that can help companies thrive and analytical tools that assess an organization’s internal health and performance. Insights are offered in key topics such as organizational structure, strategic leadership, information technology management, and business analytics, among others. The knowledge compiled in this publication is designed for entrepreneurs, managers, executives, investors, economic analysts, computer engineers, software programmers, human resource departments, and other industry professionals seeking to understand the latest tools to emerge from this field and who are looking to incorporate them in their practice. Additionally, academicians, researchers, and students in fields that include but are not limited to business, management science, organizational development, entrepreneurship, sociology, corporate psychology, computer science, and information technology will benefit from the research compiled within this publication.