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To: Michael Allard who wrote (45965)10/24/1999 3:32:00 PM
From: slacker711  Respond to of 152472
 

Why do you suppose that they did not even mention digital phones, when they outsell analog models today to the tune of 4 to 1? I think the reason they left out this VERY SIGNIFICANT detail, is that it would have ruined their story, and not caused panic in the 80 Million mobile phone users in the US.

Actually the report would have helped Qualcomm if they had detailed the differences between digital and analog phones. They wouldnt even have had to mention CDMA, just that digital phones in general were probably better. However, While I didnt like the report, it was applicable......analog phones still account for at least 60& of the US market (not new phones).

Slacker



To: Michael Allard who wrote (45965)10/24/1999 6:03:00 PM
From: T L Comiskey  Read Replies (2) | Respond to of 152472
 
Michael.....re max out put....Good to know...Healthy information....Yet some how....the "Go Brain Go" slogan might need rethinking....brain tumors and any association with that organ might...just might trigger a
Pavlovian neg. response......."CDMA...The Healthy Choice...."......Random musings on a Sunday afternoon...tim



To: Michael Allard who wrote (45965)10/24/1999 11:32:00 PM
From: engineer  Read Replies (3) | Respond to of 152472
 
It is even more dramatic than that. Analog has some power control levels but the falloff of it is very slow from the center of the cell to the edge. the power levels can step in only 16 levels.

CDMA can adjust the power levels in 1000's of steps. Near the cell site, the power level is down to as low as 10 microwatts. At half the radius of the cell site (7 km), it is only up to about 2 milliwatts. In the last 10% of the cell radius, the pwoer level appraoches the 200 milliwatt level. 50% of the time, the phone is putting out 2 mW or less. Unless you always use the phone at the edge of coverage you will most likely be less than analog by a factor of 100 or more.

Then on top of this, it uses bursts to transmit rather than continuos waves like analog does.