This book describes the methods and application of Visible Light  Communication (VLC) and covers topics such as light sources, detectors,  VLC systems, optical modulation schemes, optical multiple-access  techniques, new VLC standards, and current applications including  ubiquitous indoor information services, visible-light wireless LAN  (LiFi), underwater optical wireless communications, and VLC with art.

This book explores the transformative potential of 5G technology in delivering high-speed broadband services through wireless means, particularly targeting underserved and rural areas. The book covers several key topics, including high-frequency spectrum bands, advanced transmission schemes, multi-connectivity, adaptive numerology, and Integrated Access and Backhaul (IAB). These elements are critical for enhancing network performance, increasing capacity, and reducing latency. High-frequency spectrum bands, such as those above 24 GHz, are essential for providing the necessary bandwidth to...