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dddThe cellular industry is dominated by two technologies - ball-shaped remains for Mobile Communication (GSM) and Code Division quaternary Access (CDMA). This note gives an overview of the two different technologies. The note starts with the taradiddle 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. INTRODUCTION INTRODUCTION The human beings first cellular networks introduced in the early 1990s, purposed analog2 intercommunicate transmission technologies. Within a few years, millions of subscribers signed up for service provided by the cellular networks, and demanded more and more airtime3. As a result, dropped calls and network busy signals became common in many a(prenominal) areas. To accommodate more calls within the limited amount of receiving set spectrum4 available, the industry developed a digital5 radio technology called GSM (Global System for Mobile Communication). Today, most of the cellular phones in the world, outside the U.S., use GSM technology.

GSM, one of the oldest technologies used by the cellular industry, is considered to be real dependable technology. By the beginning of the 21st century, one one thousand thousand cellular phones used this technology.GSM has always grown and adapted to the ever-changing needs of customers. The number of GSM subscribers has increased over the years, with around one hundred sixty million new customers added in 2002 alone. From 1997 to 2003, the number of GSM customers increased 10 times. GSM, which is continuously evolving at a rapid pace, provides several part and data enabled services. But just as GSM was being standardized, an evening better solution for mobile communication6 was found in other technology called CDMA (Code Division Multiple Access). CDMA, a digital wireless technology,... If you want to get a full essay, order it on our website: Ordercustompaper.com

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