This monograph is aimed at providing an over view of the modern communication. A research award word is considered to explore the investigations at details. Now a days Wireless communications uses channel as main impairment as as advantage too. Most of the world now talking about 5th Generation communication. For which the material observed in this book gives a strong out look. Not only clear explanation, where ever possible the results were included. Its highly believed that this will be intuitional hand out for learning new technologies.