Abstract

The cellular industry is dominated by two technologies - Global System for Mobile Communication (GSM) and Code Division Multiple Access (CDMA). This note gives an overview of the two different technologies. The note starts with the history of GSM and goes on to describe the GSM architecture and the GSM family. It also provides information on the services provided by GSM and the working of GSM. The note also takes a look at the history of CDMA and its commercial development. It then does a comparative study of the two technologies and discusses their advantages and disadvantages.

Learning Objectives

The case is structured to achieve the following Learning Objectives:

• Technologies in the mobile telephony industry.

Keywords

Cellular industry, dominated, two technologies, Global System, Mobile Communication, GSM, Code Division Multiple Access, CDMA, history, GSM, GSM architecture, GSM, family, services, CDMA, commercial development, comparative study, advantages, disadvantages