Select Page

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...

Oh, and By The Way…

I realized that I haven’t been too descriptive of my activities of late. I was managing a transition and have been really busy. So here goes.. I’m now the: Director of Advanced Products eVoice, Inc. 1394 Willow Road Menlo Park, CA 94025 Contact info:...