Does anyone actually offer last mile (aka to home) ISP via canopy or other similar technologies?
+---------- Thus spoke Nigel Ballard on Tue, Jul 16, 2002 >Canopy doesn't mesh. They certainly play down the LOS aspect which is very >real in this instance. You need a high and clear mast, building roof is >better. > >The Canopy solution has expandability, robustness and security all >engineered in, and as such, is one viable alternative to 802.11b. And for >short range <2Mile LOS building to building secure hops, it is a slam dunk. > >Cheers Nigel > >Nigel Ballard >Joejava Wireless Consultancy >[EMAIL PROTECTED] >www.joejava.com > >-----Original Message----- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED]]On Behalf Of Jay R. Ashworth >Sent: Tuesday, July 16, 2002 4:04 PM >To: [EMAIL PROTECTED] >Subject: Re: [BAWUG] canopy > > >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 > >-- >general wireless list, a bawug thing <http://www.bawug.org/> >[un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless -- Azeem Jiva [EMAIL PROTECTED] http://www.csc.calpoly.edu/~ajiva One Server to rule them One Server to find them One Server to bring them And in the DNS BIND them -- general wireless list, a bawug thing <http://www.bawug.org/> [un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless
