Название: Physical Layer Security
Автор: Khoa N. Le
Издательство: Springer
Год: 2021
Страниц: 213
Язык: английский
Формат: pdf (true), epub
Размер: 21.8 MB

This book studies the vulnerability of wireless communications under line-of-sight (LoS) and non-LoS correlated fading environments. The authors theoretically and practically provide physical layer security analyses for several technologies and networks such as Fifth-Generation (5G) networks, Internet of Things (IoT) applications, and Non-orthogonal multiple access (NOMA). The authors have provided these under various practical scenarios, and developed theoretical aspects to validate their proposed applications.

Given the ubiquitousness and necessity of 5G connections in the near future, an enormous amount of sensitive and confidential information, e.g., financial data, electronic media, medical records, and customer files, will be transmitted via wireless channels. Thus, providing an unrivalled security service is one of the top priorities in the design and implementation of the 5G network. Despite the current efforts from academia and industry, the security paradigms protecting the confidentiality of wireless communication in the 5G network remain elusive. Indeed, how to secure wireless data transmission is one of the core problems that any 5G network designer can face.

Differing from the traditional approach that protects data security through cryptographic techniques, physical layer security is identified as a promising strategy that provides secure wireless transmissions by smartly exploiting the imperfections of the communications medium. Using this strategy, 5G network designers can effectively degrade the quality of signal reception at unauthorized receivers and devices and, therefore, prevent them from acquiring confidential information from the received signal. With careful planning and execution, physical layer security will protect the communication phase of the network, while cryptography will protect the processed data after the communication phase. As such, they will form a wellintegrated security solution that efficiently safeguards sensitive and confidential data for the 5G era.

- Presents physical layer security (PLS) under correlated fading environments, 5G wireless networks, and NOMA networks;
- Provides end-to-end analyses, combination of channel correlation and outdated CSI and their effects on PL;
- Includes contributions of PLS research written by global experts in academia and industry.






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