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To: Eric L who wrote (5975)	6/30/2000 12:09:41 AM
From: Jim Lurgio	Read Replies (1) \| Respond to of 34857

Tero's been quite busy. ragingbull.com

To: Eric L who wrote (5975)	6/30/2000 4:45:02 AM
From: Gus	Read Replies (1) \| Respond to of 34857

Sure Eric. Try this claim from the CDG. What is CDMA (Code Division Multiple Access)? CDMA is a "spread spectrum" technology, which means that it spreads the information contained in a particular signal of interest over a much greater bandwidth than the original signal. When implemented in a cellular telephone system, CDMA technology offeres numerous benefits to the cellular operators and their subscribers. The following is an overview of the benefits of CDMA. 1. Capacity increases of 8 to 10 times that of an AMPS analog system and 4 to 5 times that of a GSM system... cdg.org Despite CDMAOne's vaunted technical superiority, most analog operators have not switched for cost-benefit reasons. Instead, most North American operators have aligned themselves with the TDMA-EDGE group. That 1996 WSJ article pointed out that QCOM was claiming that CDMAOne was capable of providing 13x the capacity of a GSM network. CDG is currently claiming that CDMAOne will provide 4x to 5x the capacity of a GSM network. Verizon indicated recently that its CDMAOne network will have an advantage because it will provide 3x the capacity of a GSM network. From 13x capacity improvent in 1996 to 4-5x in 2000 with actual 3x capacity improvement. That's over-promising and under-delivering alright. Note also that there are voice and capacity upgrades available to the TDMA and GSM operator who wants to extend the useful life of its TDMA or GSM network while choosing between GPRS or EDGE or WCDMA to: a) move from circuit-switching to packet data on the networking side; and, b) move from to GPRS, EDGE or WCDMA on the air-interface side. Considering that a CDMAOne network is reported to be 2-3x the cost of a comparable TDMA/GSM network which has many options available to it to narrow the natural performance gaps between an older technology (TDMA) and a newer technology (narrowband CDMA), does it really make sense to spend all that money on 2G or 2.5G CDMA technology at this stage when the superior economies of scale are available to to the TDMA/GSM camp? As you know, there are also major quantitative and qualitative hidden costs to being part of the ecosystem of the niche standard, but that's another discussion for another day.