Kun Wang

Jing Zhang

Junping Geng

Chaofan Ren

Han Zhou

This book investigates in detail some new spoof surface plasmon polaritons (SSPPs) structures and their applications to antenna. It introduces the working principle and radiation characteristics of directional antenna, omnidirectional antenna, reconfigurable antenna and phase-mode antenna based on SSPPs structure. Especially, the irregular SSPPs structure, such as T-shaped and m-shaped SSPPs structures, is introduced to low-profile end-fire antenna with vertical polarization; the rotated SSPPs structure is applied to CP end-fire antenna and omnidirectional antenna; PIN circuit combining with SSPPs structure is used to pattern reconfigurable antenna; the novel phase-mode SSPPs antennas with multi-modes are performed too. This book proposes a continuous method to develop the potentialities of the SSPPs antenna. And the readers can study the method or ideas of the SSPPs antenna, even graft the methods to other SSPPs antenna. The book is intended for undergraduate and graduate students who are interested in SSPPs antenna technology, researchers investigating high-performance antenna, and antenna design engineers working on multi-function antenna applications.

Spoof Surface Plasmon Polaritons Antenna

Hee Yun Lee

Danan Gu

Qiushi Feng

With the revolutionary technology advancement and the global population aging, there has been increasing recognition of the importance of the use of information and computer technology (ICT) among older people, and the need for ICT inclusivity to ensure that all older individuals can benefit equally from the modern technology. ICT use is also considered to has the potential to promote healthy longevity by telehealth and health monitoring, social connections, cognitive stimulation, access to information, and lifelong learning, among others. Although there are growing empirical studies on ICT use at older ages, a good summary and review of the current findings, especially from those of non-Western societies, is largely absent. Based on a wide range of evidence-based analyses and real-world examples and a more refined scheme of measures, this book presents the most updated findings in the field, conducts analyses from cross-national and multicultural lens, and offers multidisciplinary and comprehensive insights on how individual, cultural, societal, and institutional factors shape ICT use and healthy aging across nations. The wide scope and the holistic approach of the book makes it a timely and valuable resource for researchers, practitioners, policymakers, healthcare professionals, other stakeholders, and anyone interested in understanding the role of ICT in promoting healthy aging and improving the lives of older adults.

Empirical Data and Perspectives

ICT Use and Healthy Longevity

Xinyi Huang

Sheng Zhong

Hong Zhong

Panlong Yang

Jin Shi

Lei Xie

This timely book provides broad coverage of security and privacy issues in the macro and micro perspective. In macroperspective, the system and algorithm fundamentals of next-generation wireless networks are discussed. In micro-perspective, this book focuses on the key secure and privacy techniques in different emerging networks from the interconnection view of human and cyber-physical world. This book includes 7 chapters from prominent international researchers working in this subject area. This book serves as a useful reference for researchers, graduate students, and practitioners seeking solutions to wireless security and privacy related issues Recent advances in wireless communication technologies have enabled the large-scale deployment of next-generation wireless networks, and many other wireless applications are emerging. The next generation of mobile networks continues to transform the way people communicate and access information. As a matter of fact, next-generation emerging networks are exploiting their numerous applications in both military and civil fields. For most applications, it is important to guarantee high security of the deployed network in order to defend against attacks from adversaries, as well as the privacy intrusion. The key target in the development of next-generation wireless networks is to promote the integration of the human, cyber, and physical worlds. Previous work in Cyber Physical Systems (CPS) considered the connection between the cyber world and the physical world. In the recent studies, human involvement brings new channels and initiatives in this interconnection. In this integration process, security and privacy are critical issues to many wireless network applications, and it is a paramount concern for the growth of next-generation wireless networks. This is due to the open nature of wireless communication and the involvement of humans. New opportunities for tackling these security and privacy issues in next-generation wireless networks will be achieved by leveraging the properties of interaction among human, computers and things.

Security and Privacy for Next-Generation Wireless Networks

Kun Wang

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