Course Objective:

Wireless communications has become essential part in our day to day life. During recent years

there has been a signifi cant improvement in the fi eld of wireless communications technology

and has rapidly evolved from First Generation (1G) to Fourth Generation (4G) systems.

The rapid growth of cell phones, which principally carry voice, is now being used widely for

communicating data and images. Wireless LANs, for example Wi-Fi, and recently the wireless

Internet, are propelling the whole world towards greater integration. Over the years, various

multiple access techniques and spread spectrum techniques have been developed to improve

the performance of the wireless communication system. To understand this technology, it is

important to know in detail, a number of concepts associated with wireless communication.