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Technology Stocks : COM21 (CMTO)

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To: Mark Laubach who wrote (1123)	9/30/1999 12:38:00 AM
From: JoeWhoa	Read Replies (1) of 2347

Mark, I appreciate your comments; I enjoy a good technical discussion. It seems to me that it's important to distinguish between noise and interferors. S-CDMA shouldn't provide any advantage whatsoever as far as immunity to truly random noise. However, it should provide better immunity to narrowband interferors simply because they are not spread, thus appearing to be noise to the de-spread receiver. However, it can't provide any advantage whatsoever as far as immunity to truly random noise. This perceived advantage should not be nearly as pertinent as it is for open-air base stations. The upstream signals reside within double-shielded coaxial cables. So aside from lousy distribution hardware designs (which may leak clocks within the upstream band) this should not be a problem. My guess is that the larger challenge is simply the summation of white noise from all of the different users. In that regard there should be no difference. If there's narrow-band interference corrupting the downstream feeds, the cable plant engineers oughta be pimp-slapped. Sounds to me like TERN's PR machine has spun an irrelevant "fact" into a perceived advantage. They're good.

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