Key devices for 6G/7G

The first comprehensive guide towards the realization of 6G/7G networks.

This book aims to provide an overview of key devices and essential technologies expected to play an important role in 6G/7G. Experts at the forefront of various fields have contributed to each section, covering topics from system concepts to device technologies, signal processing technologies, and transmission technologies. From a hardware perspective, 6G/7G is characterized by the integration of optical wireless and terahertz communication. Chapter 1 explains the trends and system concepts of optical wireless integration systems, as well as the necessary signal processing. Chapter 2 covers the overview and trends of electronic devices and optical devices that support optical wireless integration. Chapter 3 discusses terahertz wave wireless communication, including high-speed electronic devices using compound semiconductors, examples of terahertz wave transmission systems, and a wide range of technologies such as metasurfaces, which are expected to be applied to the terahertz wave band in the future, summarizing the latest trends and future prospects.

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