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To: Eric L who wrote (13703)	7/13/2001 3:38:21 PM
From: mightylakers	Read Replies (2) \| Respond to of 34857

Eric Missing link is the CDMA GAIT phone equivalent I think that can be a very interesting thing to think about. Choice 1: Got a CAIT kind of thing. Choice: Use AMPS for the tempory solution. Choice 1 means better interoperability and more advance all digital service. But longer development cycle and more expesive. Choice means cheaper, and readiness. But no hanodff from AMPS to digital.

To: Eric L who wrote (13703)	7/14/2001 2:36:31 PM
From: EJhonsa	Respond to of 34857

I have always thought that a 1xRTT air interface was the best way to solve Cingular's needs, given their kind of patchy footprint ... 800 MHz here, 1900 MHz there As I've stated previously, I generally agree with regards to Cingular, although (unfortunately) it doesn't look like their executives do. As for AT&T, I remember hearing them claim that they currently have enough spectrum to implement W-CDMA for roughly 70% of their POPs. While that's most likely far better than Cingular's present situation, it still leaves much to be desired. Nextwave's recent turn of fate may mean that AT&T's intermediate-term hopes for reaching the other 30% are now dependent on how the 700 Mhz. band auctions go, and how quickly they're able to clear out the present users of whatever bands they happen to purchase. Missing link is the CDMA GAIT phone equivalent. You sure don't slap one of them together overnight. Forget about the phone - it'd help if there were at least a chipset on Qualcomm's roadmap. I suppose that AMPS could be used as backup, but, for obvious reasons, I don't think that too many TDMA operators (not to mention their customers) would be thrilled with such a solution, especially ones that are operating in regions with relatively low population densities (U.S., Canada, Brazil, Mexico). On a semi-related note, Qualcomm's hopes for 1xMAP overlays wouldn't sound so far-fetched if 1x-GSM/GPRS handsets were shipping today. While I have my doubts regarding how much success would have been seen in Europe, it's quite possible that operators such as Telstra and Hutchinson could have been convinced, at least as far as non-IMT-2000 spectrum goes. And, even in Europe, Vodafone and a couple of others may not have been completely out of the question. But with the MSM6300 not set to ship until the first half of next year... I recall several comments out of UWCC and GERAN last year (Cingular and AWS originated) about how multi-mode chips did NOT solve interoperability issues. I suspect that is part of what caused the AWS flip and I am really betting Cingular will flip same way. I'm curious as to what the exact interoperability issues were. Network authentification? SIM card interoperability? Handoffs? One would think that, since both technologies operate over ANSI-41 cores, a shift to IS/95 would, technically, be easier to pull off than one to GSM. I'd have to assume that this was simply a case of the UWCC being able to get together with the GSMA (http://www.gsm-pcs.org/pressreleases/rel29.html) and iron out their differences, but not with the CDG. Nothing quite like isolating yourself from the rest of the world, and then railing about how evil, protectionist cabals are out to destroy you. Perhaps Irwin and Perry took some lessons from Steve Jobs. Good to see you checking in. We'd like to see more of you, here and on G&K. Thanks, and so would I, although I don't know how often I can for the time being. Seeing 80 new posts on this board within a 24-hour time frame doesn't help much, either :-). Eric