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Cellphones

Journal Journal: A Global Switch to CDMA 1

No one ever seems to talk about this, although it constantly is a question in my mind: Why does most of the world choose to use GSM, an inherently TDMA-based technology, when CDMA-based communication standards make better use of the frequency spectrum? Based on the few coding and information transmission classes I've taken, CDMA-based standards are simply the way to go.

Is this disadvantage related to AT&T's inferior network (compared to that of Verizon)? How different are the base stations for GSM systems from those of CDMA systems? Or, more to the point, how difficult would it be for the carrier using GSM to switch to CDMA?

I realize that there are other "standards" considerations to GSM usage (emergency calls, many hardware manufacturers, etc.), but I'm just talking about this huge dichotomy in cellular standards... why does it still exist??

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Karl's version of Parkinson's Law: Work expands to exceed the time alloted it.

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