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To: A.L. Reagan who wrote (13141)	6/27/2001 9:01:18 PM
From: 49thMIMOMander	Respond to of 34857

One factor is the how much or how little licensed bandwidth it takes to become an operator, The hierarchical thing of GSM-land is that one steps in to the 5MHZ band of WCDMA, either lots of voice users or some broad band users. QCOM, 1.25MHz counts on those not having enough bandwidth only for that, all that spectrum jazz, military stuff in US. All boils down, kind of, to the basic demanded for keeping track of all the chicken, one base station, operator and thousands of inactive handsets, while serving the few who makes a call, do some WAPping(data). GSM, GPRS, EDGE makes it possible to be an operator on a very narrow, "frugal" band as only one 200kHz width is needed, can be used for both "keeping track of the chicken" as well as serving them when they pay cash for actual use. This is the "hierarchical" thing so difficult to understand: - WCDMA (5MHz) impossible for operators not having 5MHz - QCOM splitting bandwidth in 1.25MHz, still dependent on synchronization,neighbors,etc - older, US-TDMA operators, as well as GSM operators, having bandwidths not enough for QCDMA nor WCDMA, but good enough for GSM, GPRS, additionally 3G speeds when EDGE (demanding the same technology as Q-W-CDMA) All going back to - US-TDMA based on 30kHz of AMPS - GSM-TDAM skipping 30 kHz NMT and going for 200kHz present GSM,GPRS, soon EDGE without going into all the other factors.. Ilmarinen

To: A.L. Reagan who wrote (13141)	6/27/2001 9:23:21 PM
From: 49thMIMOMander	Respond to of 34857

GPRS is basically old GSM plus a network which can do packets. (I know, I know, one needs to understand what "circuit switched" is comared to packet switched) Anyway, from an engineer point of viewm as well as investor point of view, GSM to GPRS only takes - new infrastructure network (must be done anyway) - new software in the handsets However, at the same time this "multi-slot" thing is introduced, demanding that handsets can do 2-3-4x the processing the "monoslot" handsets can do. But to stay cheap, as well as always connected, the handsets just need different software to use the extra, empty slots, capacity voice isnt using (the true free lunch) Anyway, as DSP sillycone has gotten smaller, faster, chepaer, this is exactly what the sillycone guys have worked on, faster sillycones to do multislot handsets, downstreams. This is why the big breznevian propaganda campaign started and continues on the _UPSTREAM_ battery draining demands, who cares!!! But as all the hoopla besides the real business is about preserving the share holder value of QCOM (simple), as well as keeping US telecom industries functioning (much more difficult, motorola, lucent, even nortel) all of this has become a telecom-brain-dead hype of investor and politics-hype. Adding up the frequency band problems for US, it becomes the mess it is. (I'm not even considering any chance of NextWave to finalize their plan on the scam of century) Ilmarinen P.S> That is why Galvin, Ollila and this Ericsson guy (Wallenberg rules anyway through Ramqvist) prayed for the frequencies in US...