Sequence of topics in this book has been adapted from undergraduate and postgraduate level courses of various universities. Organized in eight chapters it broadly deals with: Evolution of wireless communications.  Overview of different generations from 1G to 4G of wireless communication.  Spectrum allocation to the wireless operators, function of ITU, cellular system architecture, types of channels, shape selection of the cell. Concept of cellular system design fundamentals like frequency reuse concept.  Basic Multiple Access Techniques. Concept of Wireless Networking.  Latest techniques used for enhancing the efficiency of the cellular systems.