Ask a European mobile-phone exec about fourth-generation cellular technology — 4G — and you can almost see them bite their tongue. These are the same folks, remember, who just five years ago couldn’t ...

As the proud owner of a 3G smartphone, you might have considered yourself a member of the leading edge of wireless services users. Then you started hearing ads and reading stories about something ...

The new network architecture and developments in digital signal processing make it possible… that is rocket science. But the bit you actually need to know is very straightforward: you get all the ...