On Tue, Jul 16, 2002 at 02:47:24PM -0400, Russell Nelson wrote: > > Right. They will have to subsidize the hardware as well as the > > bandwidth. > > Why? People manage to purchase a car. Those who want one manage to > purchase a computer. Why would someone not be able to afford $800 for > CPE? It's cheaper than a lawn tractor.
Indeed; and as someone has pointed out, it's closer to $500. *I* could sell that. And indeed, I might well try. > > > Where did you see hints of mesh architecture? The "User Manual" and > > > "Online Demo" links don't work for me. I filled out an info request > > > last week and have received nothing so far. > > > > Not sure where Russell did. I don't belive they use one. > > I didn't see any mention of backhaul from the access points > themselves. Okay, so if the access points don't need a backhaul, they > gotta retransmit from other access points, right? It's a nested star arrangement from what I can see: you home the users on a "ecll site"; 1 or more reecivers on mid-band for the customers; then a backhaul radio on hi-band (do I have the segments right?) up to 20 miles with 2 dishes to your hub. Multiple hubs could probably combine to other backhaul radios to your NOC. I presume you'd want to avoid wires entirely if you could. Location leases are more stable than telco's these days. ;-) > > > Will 5.2-7 Ghz punch through neighborhood trees better than 2.4 Ghz? > > > > Nope. Freespace loss is also 7 dB greater but the modulation scheme > > will be better than DSSS or OFDM to interference. It may not works > > as well with multipath as OFDM. > > Yup (in the sense that Tim is correct). That's why you really really > gotta have a mesh architecture. In my town, from an arbitrary house > you can see maybe the two or three neighbor's houses across the > street. Going up doesn't help you because the trees are taller than > the houses. And to clarify here, what everyone means by "mesh" is "digipeaters", right? > For wireless to work in my community, you need to have what amount to > lots of repeaters just to get the signal to a wired point. Guess so. :-) Cheers, -- jra -- Jay R. Ashworth [EMAIL PROTECTED] Member of the Technical Staff Baylink RFC 2100 The Suncoast Freenet The Things I Think Tampa Bay, Florida http://baylink.pitas.com +1 727 647 1274 "If you don't have a dream; how're you gonna have a dream come true?" -- Captain Sensible, The Damned (from South Pacific's "Happy Talk") -- general wireless list, a bawug thing <http://www.bawug.org/> [un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless
