Date Added: Aug 2009
Mobile networks have been deployed in all corners of the world. It now serves over 4 billion subscribers and has become the most ubiquitous and important means by which human beings connect with one another. It is therefore no surprise that investments in the technology are substantial, amounting to in excess of US$ 50 billion annually. Over the next few years, investment levels are expected to remain high as subscriber growth persists and mobile data traffic levels continue to explode..