ABSTRACT
Third-generation (3G) mobile networks face a new rival: so-called 4G. And, astonishingly, the new networks may even be profitable. Alvin Toffler, an eminent futurologist, once said, “THE FUTURE ALWAYS COMES TOO FAST, BUT IN THE WRONG ORDER”. The state of wireless telecoms is a classic example. Even as 3G mobile networks are being switched on around the world, a couple of years later than planned, attention is shifting to what comes next: a group of newer technologies that are, inevitably, being called Fourth Generation Mobile Networks (4G). 4G is all about an integrated, global network that's based on an open systems approach. The goal of 4G is to replace the current proliferation of core cellular networks
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