On Sat, 1 Oct 2005 09:42:18 -0400, "yv6eda" <yv6eda"at"softhome.net>
wrote:
>My project is to create a free hotspot at my building home,
>a concrete 4 floor, (21x4) apartments building.
>My building have a L shape, aprox. 40 by 125 meters
Big. It probably cannot be done with one access point, especially due
to the "L" shape. Placement of radios are critical. The usual method
is to "illuminate" the building from the outside and go through the
windows. Going though poured concrete is almost impossible. If you
have access to the adjacent buildings, this should be easy. If not,
you are about to have a major problem locating the access points.
>Place: Little town on Canada.
>My experience is none, except for the fact of my own wireless network at
>home.
Fine. You have some hardware. Drag the access point over to the
neighboring building. Attach a somewhat directional antenna (sector
antenna or panel antenna) to "illuminate" one wall of the building.
Take your client radio and laptop and do what's called a site survey.
The idea is to estimate what manner of coverage and reliability you'll
achieve. Netstumbler and a set of blueprints will work, but there are
also professional (overpriced) site survey programs. At the same
time, look for sources of interference. If the local municipality has
a mesh network, or there are existing WISP (wireless ISP) systems in
the area, you will have LOTS of interference.
>I have a lot of questions, but let me start with the basic:
Not so fast. You gotta do some homework first. Read:
|
http://www.intel.com/business/bss/in...nt/hotspot.pdf
When you have the terms, buzzwords, and methodologies nailed, then
come back and ask some questions.
I also suggest you read:
|
http://www.isp-wireless.com
mailing list for those with some experience in apartment building
networks.
>I have to do a special contract with the ISP(Rogers), or almost let they
>know about the project?
Have you read your Rogers Cable AUS and TOS contracts? Generally,
redistribution is prohibited by contract. However, that depends on
whether you have consumer or business class service. For consumer,
start here:
https://www.shoprogers.com/about/legaldisclaimer.asp
Quoting the AUP at:
http://www.rogershelp.com/yahoo/down...ements/AUP.PDF
"You may not resell, share, or otherwise distribute the Services
or any portion thereof to any third party without the written
consent of Rogers."
>Is Bell better provider for the project?
I'm not familiar with Canadian ISP's. You may want to investigate
Comerica ISP's that allow reselling of their bandwidth. If you bring
in a T1 you'll have the advantage of 1.5Mbits/sec in both directions
instead of one.
>If I install AP devices (1 or 2) along the long arm, what model is the best
>(Cost-Benefit)?, can the devices setup like repeaters and AP simultaneasly?
Repeaters should be avoided if it is possible to run a CAT5 cable
between the main router and the remote access points. If the use is
high enough, you may find yourself installing more than one access
point at each location. Repeater rebroadcast what they hear and
therefore fill the airwaves with duplicated packets. Since only one
radio in the entire system may transmit at a time, repeater will cause
considerable RF congestion. Same with mesh networks. Avoid if
possible.
>Do you think I need to install AP devices on each floor?
I have no idea. Post a photo of the building and some clue as to the
areas you want to cover and we can make a better guess. If you
illuminate from the outside of the building, chances are good you can
get away with a small number of access points. If you try it from the
inside, I'm sure the number will be much larger.
You'll probably need separate access points in the public areas.
>May i use my own d_link DI-624 router?
No. What you want are access points, not router. You can convert a
wireless router into an access point, but there are better products.
You're main problem is going to be managing this mess. You can't do
that with commodity hardware. Look at something like:
http://www.3com.com/en_US/jump_page/abg_wireless.html
http://www.symbol.com/products/wirel..._brochure.html
http://www.arubanetworks.com/products/
>What software if needed?
I'll generalize by function rather than by vendor as you will need to
do some shopping.
1. Bandwidth management (so nobody hogs the whole system)
2. Abuse management (disconnect hackers)
3. Intrusion detection.
4. Virus/worm/whatever firewall.
5. User authorization and administration (passwords and 802.1x
RADIUS)
6. Encryption management.
7. RF diagnostics (error rate, signal strength, etc)
8. Channel plan mange men. (what channels and where)
9. Transient user management. (temporary visitor use)
10. Billing?
11. Traffic monitoring and recording.
12. DMCA compliance???
Plus whatever else I forgot. There's plenty more the management
software should do, but I haven't had my morning coffee yet.
Think of this as a system. Pretend it's all working and installed.
Now, how are you going to run it and deal with clients and tech
issues? Better yet, *WHO* is going to run it? That's the "real"
problem.
--
Jeff Liebermann
(E-Mail Removed)
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060
http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
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