Introduction

The wireless technology has come a long way since its inception. Last decade has seen an impressive growth in the number of wireless users all over the world. The use of wireless technology is now not just limited to wireless telephony but there is now a huge demand of wireless technology for many types of applications like Internet and web browsing, video and other text and multimedia based application. In this report we give an overview of the first and second generation wireless technologies and then we finally discuss the GPRS and 3G Wireless Networks in details.