To: DOUG H who wrote (37778 ) 8/6/1999 6:21:00 PM From: Maurice Winn Read Replies (2) | Respond to of 152472
Doug, the genesis of CDMA as used by Q! was lots of things. For example there was some guy called Fourier who figured out a way of separating various wave functions. That was probably 200 years ago. Maybe 100. Something like that. Have a click around here for a while and I'll test you later:spd.eee.strath.ac.uk Then there are Silicon tricks, one of which will be the genesis of later CDMA:novecon.com But the idea of electron floods in semiconductors has a long history in which people tried to find something better than valves in which electrons jumped over a big gap when enough voltage was reached:www-stall.rz.fht-esslingen.de Then there was radio before that. Hey, check out the patent number = 7777 which was the post before yours - spooky! Marconi invented that about 100 years ago:kwarc.on.ca In 1948, which was a very good year for CDMA, and me [being born then - along with Communist China!] when Mr Shannon did this:math.washington.edu So, yes, there is a LOT more to CDMA than Qualcomm's achievements. Then there are all the things such as patent protection laws, judicial systems and enforcement. Progress would not be made without those. Also, the invention of cars enables the Q! people to get to work. Don't forget asphalt technology to drive on. Theodolites to get good road alignment. Horses to take GUGLIELMO to work. A tanner to make the harness and saddle. It's hard to know where things start and stop. Qdog says Bell Labs achieved it via Shannon and hooray for the government and it was the need for secure communications in military which got it done. Those were government monopolies. Other people could not do anything in telephony because the government controlled it by law, with a huge monopoly. Somehow that was a good monopoly to qdog but $ill is a bad one. Having waited in a queue for a phone for nearly a year [in NZ in Tauranga in 1980] because of useless government run phone systems I can tell you which monopoly I prefer. So, take your pick on the genesis of CDMA. In the way it counts, I think Qualcomm is the genesis of CDMA in cellphones. Mqurice