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To: Seeker of Truth who wrote (50756)	3/16/2002 4:26:58 PM
From: saukriver	Read Replies (1) \| Respond to of 54805

Malcolm, My own anecdotal evidence is that those on TDMA (ATTWS and Cingular) complain of poor sound and dropped calls. Those on VZ and PCS like the clarity of CDMA and soft handoff (which the user experiences as fewer dropped calls). I thought the survey was bogus. But the overriding superiority of CDMA is the ability to move more voice and data over a finite amount of spectrum. saukriver

To: Seeker of Truth who wrote (50756)	3/16/2002 5:38:25 PM
From: Skeet Shipman	Respond to of 54805

Everybody has his own studies and experience. Mine has been CDMA systems have only 2/3s the capacity of other systems. They require closer spacing of towers. They have clearer transmitions at lower volumes yet have tendencies to totally fail at higher volumes.

To: Seeker of Truth who wrote (50756)	3/17/2002 3:05:40 PM
From: mightylakers	Read Replies (2) \| Respond to of 54805

Here is an old article about the study of overall voice quality among different technologies. mobilecomputing.com As a lot may already knows, I'm a CDMA supporter but I always tried to keep an objective views of which is better. So from what I understand about the wireless technology. CDMA is clearly the superior technology compare to TDMA/GSM from academic point of view. Of course I know a lot will say yeah in theory. So let me give your my own personal experience. I have a lot of friends using Cingular, Sprint and Verizon. Oddly enough I have none using AWE, so I would say I can't say anything about them as far as real life experience concerns. 1) Cingular. Bad service, bad voice quality and above average coverage. I have a lot of friends using Cingular/PacBell. The most common problem they have is getting all circuits busy, esp. during the weekend, I rarely can dial them through at the first couple tries. The voice quality is bad, with a lot of background noise and distorted choppy sounds. Just this Friday night, another friend of mine showed me his Cingular phone, and it displayed "SOS call only", that is another way the Cingular keeps people away from calling when all lines are taken. That is why I think that article saying Cingular has great this and that is a big joke, well maybe Cingular has better service somewhere else but I challenge anyone saying so in Southern California. 2) Sprint. Marginal Service, good voice quality and bad coverage. Among all my friends who are using Sprint(including myself), the consensus is that the voice quality is real good, as long as you are in the coverage. They have good fancy phones, they have some interesting gadgets but the bottom line is the coverage sux. There are a lot of dead spots at my home and surrounding area. There can be a lot of dropped calls when you are moving around. Granted I know that Sprint built everything from ground up, so they don't have the advantages of installation base. However that's not what the customer cares. In the past Sprint offered very cheap plans with the "National Plans", however that gap is closing in by the competitor like Verizon, so if Sprint can't get their act together then I see it will lose in a long run. 3) Verizon, Good voice quality, good Coverage and so so service. I have another phone with verizon. The coverage is excellent and the sound quality is real good. I almost never had dropped calls. The signal appears to be forever strong other than some real tough spots. The service is so so, not too good and not too bad. They have screwed up a couple times with my bill but overall no harm no foul.