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To: JGoren who wrote (16901)	10/21/1998 9:07:00 PM
From: Clarksterh	Read Replies (1) \| Respond to of 152472

JG, Maurice - Since L M Ericsson well into the 1990s denied it was possible to implement these soft handoff and other patents which they now assert, then they fail the implementation test. I would agree if they did indeed claim that soft-handoff et cetera did not work. But my memory says that they claimed only that the system as a whole would not get spectral efficiency as good as GSM and it would collapse catastrophically under load. Clark PS I wouldn't worry too much about the soft-handoff patent. It is very open ended and the only specificity is when it talks about using the same frequencies from both base stations to execute the handoff. Fine, perhaps that is unique enough to warrant a patent in the TDMA cell world where normally the different base stations use different frequencies (although I doubt it is specific enough even there). But of course in the CDMA (an old technology) world everybody is using the same frequencies anyway. Hardly unique to Ericsson's version of soft handoff. Of course I am sure Dave will debate this.