Protected: Mobile Comms

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EDGE

The Evolution of the GSM Network The existing mobile digital communications network continues to develop, in order to increase capacity, coverage, quality and data transmission rates. There have been a series of developments that are now starting to be deployed with the aim of enhancing the GSM network functionality. The next section shows the enhancements …

GSM (Groupe Spéciale Mobile)

The most successful mobile digital communications system in today’s world is GSM, with networks in over 130 countries and more than 100 million users worldwide. Back at the start of the 1980’s Europe was facing a big problem, there were many existing analogue mobile networks, which were based on similar standards, for example NMT 450, …

Historical Background

1921 The Detroit Police Department in 1921 implemented a radio that system allowed the patrol cars to communicate a central control point, although this system has little in common with today’s sophisticated modern communications systems, it was the first mobile communications system. 1939 – 1944 (World War II) World War II proved that the mass …

Introduction

With the advent of computers the way that we communicate has changed. Initially document file sizes were much smaller and the need to send graphics was not considered necessary, therefore the speed of transmission did not have to be particularly high. Modern computers and software generate much larger files thus the speed of transmission starts …

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