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NEWS: Can a peer-to-peer phone network fly?

http://dailynews.yahoo.com/htx/cn/20010228/tc/can_a_peer-to-peer_phone_netwo rk_fly__1.html Wednesday February 28 03:00 PM EST Can a peer-to-peer phone network fly? By John Borland CNET News.com The latest market eyed for peer-to-peer technology is an already...

RE: RE: AT&T Slammed on Wireless Data

GSM uses two main techniques, TDMA AND Frequency-Hopping. This, combined with a third feature that doesn’t transmit “quiet times” — points where there is no speech, combines to produce between a 15x-20x increase in utilization. TDMA combined...

Re: RE: AT&T Slammed on Wireless Data

Oops. Let me clarify: CDM = 20x, TDM = 3x. AT&T and Rogers/Cantel use TDMA. Sprint, Telus, and most others use CDMA. -Ian. At 11:04 AM 18/05/00 -0700, Ian Andrew Bell wrote: >Oh. Sorry. > >TDMA: Time Division Multiple Access 3x Frequency Re-use >CDMA: Code...

RE: AT&T Slammed on Wireless Data

Oh. Sorry. TDMA: Time Division Multiple Access 3x Frequency Re-use CDMA: Code Division Multiple Access 20x Frequency Re-use Refers, basically, to how cellular carriers squeeze multiple phones onto one “circuit” (which is actually a frequency/modulation)....