Quality Of Experience

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.

The analysis of QoE is not an easy task, especially for multimedia services, because all the factors (technical and non-technical) that directly or indirectly influence the user-perceived quality have to be considered. This book describes different methods to investigate users’ QoE from the viewpoint of technical and non-technical parameters using multimedia services. It discusses the subjective methods for both controlled and uncontrolled environments. Collected datasets are used to analyze users’ profiles, which sheds light on key factors to help network service providers understand end-users’ behavior and expectations. Important adaptive video streaming technologies are discussed that run on unmanaged networks to achieve certain QoS features. The authors present a scheduling method to allocate resources to the end-user based on users’ QoE and optimizes the power efficiency of users’ device for LTE-A. Lastly, two key aspects of 5G networks are presented: QoE using multimedia services (VoIP and video), and power-saving model for mobile device and virtual base station. Features two proven methods to collect datasets for assessing the user's QoE Investigates client-based HTTP rate adaptive video streaming algorithms over TCP protocol to regulate the user's QoE Discusses VoIP service and focuses on a QoE driven downlink scheduling method for LTE-A technology Introduces the concept of 'quality of experience' presenting all parameters which directly or indirectly influence the user’s satisfaction within two well-used Internet services, multimedia OTT streaming and Voice over IP

Beginning with the first event in 2002, the International Conference on Wired/ Wireless Internet Communications (WWIC) has continuously been established as a highly selective conference focusing on integration and co-existence of rapidly dev- oping wireless network technologies and their applications related to the Internet. To do so WWIC provides an international forum for presenting and discussing cutti- edge research in this domain, and the 8th edition of WWIC, held at Luleå University in June 2010, continued this tradition. The WWIC 2010 call for papers attracted 45 submissions from more than 25 countries and each contribution was subject to thorough peer review by recognized int- national experts that acted as members of the Technical Program Committee. The selection process resulted in 16 accepted papers, which were thematically grouped into 5 technical sessions. The major themes of WWIC 2010 were cooperation, management of multimedia traffic, advancing IEEE 802.11, cognitive optimization, mesh and multi-hop networks, security, signaling, control, and wireless sensor networks.

We are in what many call “The Age of the Customer.” Customers are empowered more than ever before and demand a high level of customer attention and service. Their increasing expectations and demands worldwide have forced organizations to transform themselves and prepare for the customer experience (CX) battlefield. This landmark book addresses: What customer experience really means Why it matters Whether it has any substantial business impact What your organization can do to deliver and sustain your CX efforts, and How we got to this particular point in CX history This book is the result of exhaustive research conducted to incorporate various components that affect customer experience. Based on the research results, the authors make a case for seeing CX and associated transformations as the next natural evolution of the quality management system (QMS) already in place in most companies. Using an existing QMS as the foundation for CX not only creates a more sustainable platform, but it allows for a faster and more cost effective way to enable an organization to attain world-class CX.

The UX Book: Process and Guidelines for Ensuring a Quality User Experience aims to help readers learn how to create and refine interaction designs that ensure a quality user experience (UX). The book seeks to expand the concept of traditional usability to a broader notion of user experience; to provide a hands-on, practical guide to best practices and established principles in a UX lifecycle; and to describe a pragmatic process for managing the overall development effort. The book provides an iterative and evaluation-centered UX lifecycle template, called the Wheel, for interaction design. Key concepts discussed include contextual inquiry and analysis; extracting interaction design requirements; constructing design-informing models; design production; UX goals, metrics, and targets; prototyping; UX evaluation; the interaction cycle and the user action framework; and UX design guidelines. This book will be useful to anyone interested in learning more about creating interaction designs to ensure a quality user experience. These include interaction designers, graphic designers, usability analysts, software engineers, programmers, systems analysts, software quality-assurance specialists, human factors engineers, cognitive psychologists, cosmic psychics, trainers, technical writers, documentation specialists, marketing personnel, and project managers. A very broad approach to user experience through its components—usability, usefulness, and emotional impact with special attention to lightweight methods such as rapid UX evaluation techniques and an agile UX development process Universal applicability of processes, principles, and guidelines—not just for GUIs and the Web, but for all kinds of interaction and devices: embodied interaction, mobile devices, ATMs, refrigerators, and elevator controls, and even highway signage Extensive design guidelines applied in the context of the various kinds of affordances necessary to support all aspects of interaction Real-world stories and contributions from accomplished UX practitioners A practical guide to best practices and established principles in UX A lifecycle template that can be instantiated and tailored to a given project, for a given type of system development, on a given budget

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The book draws together writers from different backgrounds and interdisciplinary interests and research methodologies, as a consequence, the book provides a model of the way researchers can work together to illuminate an area and to provide multiple representations and interpretations of that area. Moreover the book demonstrates interdisciplinary, transdisciplinary and intradisciplinary approaches and collaborations. Kathleen Andereck, Ph. D., Arizona State University West Sue Beeton, Ph. D., La Trobe University Heather E. Bowen, Ph. D., George Mason University Kelly S.-

The discipline of user experience (UX) design has matured into a confident practice and this edition reflects, and in some areas accelerates, that evolution. Technically this is the second edition of The UX Book, but so much of it is new, it is more like a sequel. One of the major positive trends in UX is the continued emphasis on design—a kind of design that highlights the designer’s creative skills and insights and embodies a synthesis of technology with usability, usefulness, aesthetics, and meaningfulness to the user. In this edition a new conceptual top-down design framework is introduced to help readers with this evolution. This entire edition is oriented toward an agile UX lifecycle process, explained in the funnel model of agile UX, as a better match to the now de facto standard agile approach to software engineering. To reflect these trends, even the subtitle of the book is changed to “Agile UX design for a quality user experience . Designed as a how-to-do-it handbook and field guide for UX professionals and a textbook for aspiring students, the book is accompanied by in-class exercises and team projects. The approach is practical rather than formal or theoretical. The primary goal is still to imbue an understanding of what a good user experience is and how to achieve it. To better serve this, processes, methods, and techniques are introduced early to establish process-related concepts as context for discussion in later chapters. Winner of a 2020 Textbook Excellence Award (College) (Texty) from the Textbook and Academic Authors Association A comprehensive textbook for UX/HCI/Interaction Design students readymade for the classroom, complete with instructors’ manual, dedicated web site, sample syllabus, examples, exercises, and lecture slides Features HCI theory, process, practice, and a host of real world stories and contributions from industry luminaries to prepare students for working in the field The only HCI textbook to cover agile methodology, design approaches, and a full, modern suite of classroom material (stemming from tried and tested classroom use by the authors)

Employing a unique research methodology that enables people to report on their normal activities as they occur, the authors examine how people actually use and experience television -- and how television viewing both contributes to and detracts from the quality of everyday life. Studied within the natural context of everyday living, and drawing comparisons between television viewing and a variety of other daily activities and leisure pursuits, this unusual book explores whether television is a boon or a detriment to family life; how people feel and think before, during, and after television viewing; what causes television habits to develop; and what causes heavy viewing -- and what heavy viewing causes -- in the short and long term. Television and the Quality of Life also compares the viewing experience cross-nationally using samples from the United States, Italy, Canada, and Germany -- and then interprets the findings within a broad theoretical and historical framework that considers how information use and daily activity contribute to individual, familial, societal, and cultural development.