Re: New hotspot.... how?
- From: "yv6eda" <yv6eda"at"softhome.net>
- Date: Sat, 1 Oct 2005 20:09:13 -0400
OK Jeff, first of all thanks very much for your answer, I'm now with the
feet on the ground and I can start. Mi project is to give free internet
access to my community, I can explain my personal reasons for this
particular project in another time then, first I was looking for some
advice, and your answer give me many of them. BTW I think you are a Ham like
me... nice... I'm YV6EDA from Venezuela, but living here for the last 3
years, ok.
I want to use your answer to clarificate my toughts, then let me go for
parts, I hope my questions don't borrow you.
Starting for the viability of the project, I live an work in this
buildings... 2 4 floor buildings, A is aprox 40X125 and B 95X25 meters.
The aprox shape from the cenit is (I don't know if this will be work:
___________________
| |
| B |
|______________ |
| |
____ | |
| | |____|
| |
| |____________________
| X |
| A |
|_________________________|
Each building is in L shape, and I live at building A in X (4th floor),
following your idea, If I install an AP1 on building B "illuminating A, and
AP2 on building A illuminating B, it's possible to cover both buildings...
but I have suites on both sides of each building.
I'm thinking the first movement is to buy an AP and do my buildings reserch.
When I refer to my router before, means if I use that router like a router
with an ap to do my reserch. BTW what AP, D-Link?
Let me stop here, I hope my project catch your interest...
73
"Jeff Liebermann" <jeffl@xxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:1ldtj1h3scq6ncnn5rv1gr8bv26a18tmht@xxxxxxxxxx
> 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/infrastructure/wireless/deployment/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/downloads/agreements/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/wireless/ws2000_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 jeffl@xxxxxxxxxxxxxxxxxxxxxx
> 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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