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To: mthomas who wrote (38975)	8/29/1999 10:41:00 PM
From: engineer	Respond to of 152472

Not hardly. If they announce this, then there is NO competeing standard anywhere in the world ( mostly china, since AT&T is a presence there.). Also the biggest advertising machine in the world would then be selling CDMA....Not what I would call anti-climatic at all... It would also spell the boom for WLL to be widespread, since AT&T has the most to gain from home service, more than any other of the wireless carriers. AT&T has alot of home long distance now, and adding home wireless service nationwide would only bolster this postion widely. they cannot enter the WLL market well with TDMA, since the capacity limits the amount of people they can stack on there. They do NOT get the same capacity gain that CDMa gets when it goes to the fixed location service. (for those that do not remember this, the CDMA system gets more than twice the capacity if you keep the mobiles fixed in location due to the handoff and power control routines. TDMA gets only slightly better, perhaps 10% when used in this manner. So in normal mobile environment, CDMA can get between 10 and 12 times analog capacity, while CDMA WLL can get as high as 24 times. All things being equal.) Besides, then there will also be a reason for nationwide data service, as all the carriers will have dropped all other forms of data and gone with CDMA data. If they do this, all the exiting CDPD apps will transition over to the CDMA data service as well. this will fuel Sprint to also adopt data faster, as they will now have direct competition with AT&T for the nationwide data service. To date, CDPD is not well enough deployed to threaten them. (Before you flame me, I mean there is not enough of the CDPD around to make a full scale data service out of. I agree that it is out there and working, but just not enough of it, no matter what AT&T advertises.)