It is a rapidly developing technology which has applications in our day to day lives. This book aims to delve deeper into various researches and technological advancements in wireless communications. It discusses significant concepts such as types of wireless communications, signal processing algorithms, signal modulation, etc. Coherent flow of topics and extensive use of examples make this book an invaluable source of knowledge. This book is highly recommended for students pursuing electronics and communication and allied fields. New researchers will also find this book very useful as it will help them by foregrounding their knowledge in this branch.