Hi Doug, I'd like to hear more. I have no practical experience with SS, but the theoretical arguments that I've heard seem strong enough that I believed that there was some benefit (especially with regard to more closely approaching the theoretical channel capacity). Where does reality depart significantly from this? Thanks, Sean At 02:07 PM 4/12/02 -0400, you wrote: >Spread spectrum is much more hype than real benefit. Frequency hopping >is good to prevent eavesdropping. Direct Sequence spreading helps you >hide in the noise. Both are useful for military applications, but have >limited ligitimate civilian use. > >If you had four channels of space with a varying number of users, >sometimes more than four, who couldn't agree on who should use what >space when, then spread spectrum helps to arbitrate the use of bandwith. > When too many users occupy the band everybody's signal to noise ratio >degrades, and everybody suffers equally. > >I can stay on this soapbox for longer than anybody wants to read... > >Sherpa Doug > > > -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads