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Mobile Generation Essay

1627 Words7 Pages

Contents
Introduction 3

Introduction

From the beginning analog mobile generation (1G) to the last implemented fourth generation (4G) the pattern has altered. The new generations don’t pretend to become with better voice communication but to get access to the reality of new mobile communication. The purpose is that to get access to anything every time, everywhere. As the needs of the users changing day by day, so the purpose is to provide services to the users according to their needs. Also mobile user increases day by day. In 1997 the numbers of subscribers are 1.162 million. This number increase to 214 million in 2002. From 2002 to 2010 it was predicted that the subscriber will be 1700 million …show more content…

The analog 1G is replaced by fully digital 2G network. Commercially 2G networks first began on the Global System for Mobile Communication (GSM). In 19 September 19912G on GSM standards was first used in commercial practice by Radiolinja. The three primary profits over their ancestors were that phone conversations were digitally encrypted; 2G systems were considerably more efficient on the spectrum allowing for far greater mobile phone penetration levels. 2G presented data services for mobile i.e. starting with SMS text messages. The mobile networks also enabled to provide services such as text messages, picture messages and MMS (Multi Media Messages). Text messages which is sent over the 2G networks is fully digitally encrypted, allowing for the transfer of data that only receiver receive it. The second-generation networks convey high-quality and protected mobile voice, and basic data facilities such as fax and text messaging along with full roaming capabilities across the …show more content…

Talking on a digital cell phone, a caller hears less of the sound of someone's voice.

Disadvantages
 In less crowded areas, the weaker digital signal conveyed by a cellular phone may not be enough to reach a cell Base Station. This tends to be a specific problem on 2G systems installed on higher frequencies, but is generally not a problem on 2G systems installed on lower frequencies. National regulations vary significantly among countries which dictate where 2G can be installed (installed).
 Analog has a smooth decline curve, but digital has a sharp steppy one. This can be both an improvement and a weakness. Under good environments, digital will sound improved. Under slightly poorer conditions, analog will experience static, while digital has occasional idlers. As conditions worsen, though, digital will start to completely fail, by dropping calls or being meaningless, while analog slowly gets worse, generally holding a call longer and permitting at least some of the audio communicated to be understood.

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