Textbook in PDF format This textbook comprehensively covers optical and wireless access networks, providing an understanding from basics to an advanced level. In addition to sharing insights into the topics of optical access communications, wireless multiple access communications, and optical and wireless convergence towards 6G networks, this book also discusses various key enabling technologies such as FSO, VLC (LiFi), power-over-fiber, etc. The readers can benefit with sufficient in-depth knowledge in designing both optical and wireless access networks for applications such as multiuser access, wireless backhaul, intelligent transportation systems, Internet of Things (IoT), etc. The book is ideal for undergraduate and graduate students in electronics and telecommunication engineering. The book features a suite of classroom materials including homework problems, an appendix for complicated derivations, project ideas, a solutions manual, and PPT slides and tutorial videos