Indian Mobile Infrastructure - To 3G or Not To 3G by Braham Singh
... Whatever the counter-arguments out there, the fact that 3G services in The UK still resort to distress sales of basic voice services to garner a customer base, says it all. Unlike EDGE, going 3G does not just involve software upgrades and the math becomes more daunting by orders of magnitude. For starters, the air-interface/ frame structure (WCDMA as against TDMA) is totally different. This means changes at every cell-site in the network. And then of course there is the entire wherewithal ...