300m no LoS question...

'Morning people,

I have tried to do my homework before hand, so not to harass you
people, but I guess it would be much more practical if someone here
perhaps have an idea what would be the best way (if there is any,
really) to make the following scenario work.

[image: http://www.buzzartweb.com/neles-x2.jpg]
'GE perspective' (http://www.buzzartweb.com/neles-x2.jpg)

It's simple, I hoped to connect my home PC with my office WiFi -
distance is around 300 meters, no LoS - both places are at around same
height though it doesn't make any difference - my office within the
building is turned the opposite side from my home, it has 3 weak
internal AP's (Airlive WL5460AP) as redundancy option for LAN - my IT is
ok with me to use the WiFi from home if I can connect to it - the
problem is that I don't have roof access neither in my office building
nor in my home building. Also, I can't mount anything on the outside of
my office building. There is a small balcony where I could mount
something small, not overly obvious, but it would be outside at least.

However, I have the authorization to mount any practical piece of
equipment inside the office - stronger AP, router, another PC, even
antenna, whatever I can put on or under my desk or closet in the
office.

As for my home, I can also mount whatever I want on the outside window
that is pointing roughly at the direction of the office. At home, I have
a lousy Ralink turbo wireless card with a rubber duck antenna, and due
to reflection between buildings I can even catch some local WiFi
networks but pretty weak.

The Google earth image is depicting the reallife situation. A building
and a few houses are in between home and office.

Bow, I don't have a lot of cash, but I am willing to invest, since at
office I have unrestricted access to 2x155Mb backbone. Network is
protected with MAC filtering and WEP, but as I said, I am authorized to
use it if only I can somehow connect to it. Also, with my Nokia 9500
Communicator smartphone, it's internal WiFi antenna at 100mw (claimed
anyway) got the Good signal of one of the AP's at some 50 meters
outside.

Any suggestion or comment will be greatly appreciated.

Sincerely.


------------------------------------------------------------------------
View this thread: http://www.wirelessforums.org/showthread.php?t=32048
http://www.wirelessforums.org

neles wrote:
> 'Morning people,
>
> I have tried to do my homework before hand, so not to harass you
> people, but I guess it would be much more practical if someone here
> perhaps have an idea what would be the best way (if there is any,
> really) to make the following scenario work.
>
> [image: http://www.buzzartweb.com/neles-x2.jpg]
> 'GE perspective' (http://www.buzzartweb.com/neles-x2.jpg)
>
> It's simple, I hoped to connect my home PC with my office WiFi -
> distance is around 300 meters, no LoS - both places are at around same
> height though it doesn't make any difference - my office within the
> building is turned the opposite side from my home, it has 3 weak
> internal AP's (Airlive WL5460AP) as redundancy option for LAN - my IT is
> ok with me to use the WiFi from home if I can connect to it - the
> problem is that I don't have roof access neither in my office building
> nor in my home building. Also, I can't mount anything on the outside of
> my office building. There is a small balcony where I could mount
> something small, not overly obvious, but it would be outside at least.
>
> However, I have the authorization to mount any practical piece of
> equipment inside the office - stronger AP, router, another PC, even
> antenna, whatever I can put on or under my desk or closet in the
> office.
>
> As for my home, I can also mount whatever I want on the outside window
> that is pointing roughly at the direction of the office. At home, I have
> a lousy Ralink turbo wireless card with a rubber duck antenna, and due
> to reflection between buildings I can even catch some local WiFi
> networks but pretty weak.
>
> The Google earth image is depicting the reallife situation. A building
> and a few houses are in between home and office.
>
> Bow, I don't have a lot of cash, but I am willing to invest, since at
> office I have unrestricted access to 2x155Mb backbone. Network is
> protected with MAC filtering and WEP, but as I said, I am authorized to
> use it if only I can somehow connect to it. Also, with my Nokia 9500
> Communicator smartphone, it's internal WiFi antenna at 100mw (claimed
> anyway) got the Good signal of one of the AP's at some 50 meters
> outside.
>
> Any suggestion or comment will be greatly appreciated.
>
> Sincerely.
>
>
> ------------------------------------------------------------------------
> View this thread: http://www.wirelessforums.org/showthread.php?t=32048
> http://www.wirelessforums.org
>

No Los, no WiFi. In fact, you need better than "keyhole" LoS -- for
starters, see: http://webopedia.internet.com/TERM/F/Fresnel_Zone.html
--
Cheers, Bob

On Tue, 13 Nov 2007 05:49:49 -0500, neles
<(E-Mail Removed)> wrote:

>
>'Morning people,
>
>I have tried to do my homework before hand, so not to harass you
>people, but I guess it would be much more practical if someone here
>perhaps have an idea what would be the best way (if there is any,
>really) to make the following scenario work.
>
>[image: http://www.buzzartweb.com/neles-x2.jpg]
>'GE perspective' (http://www.buzzartweb.com/neles-x2.jpg)
>
>It's simple, I hoped to connect my home PC with my office WiFi -
>distance is around 300 meters, no LoS - both places are at around same
>height though it doesn't make any difference - my office within the
>building is turned the opposite side from my home, it has 3 weak
>internal AP's (Airlive WL5460AP) as redundancy option for LAN - my IT is
>ok with me to use the WiFi from home if I can connect to it - the
>problem is that I don't have roof access neither in my office building
>nor in my home building. Also, I can't mount anything on the outside of
>my office building. There is a small balcony where I could mount
>something small, not overly obvious, but it would be outside at least.
>
>However, I have the authorization to mount any practical piece of
>equipment inside the office - stronger AP, router, another PC, even
>antenna, whatever I can put on or under my desk or closet in the
>office.
>
>As for my home, I can also mount whatever I want on the outside window
>that is pointing roughly at the direction of the office. At home, I have
>a lousy Ralink turbo wireless card with a rubber duck antenna, and due
>to reflection between buildings I can even catch some local WiFi
>networks but pretty weak.
>
>The Google earth image is depicting the reallife situation. A building
>and a few houses are in between home and office.
>
>Bow, I don't have a lot of cash, but I am willing to invest, since at
>office I have unrestricted access to 2x155Mb backbone. Network is
>protected with MAC filtering and WEP, but as I said, I am authorized to
>use it if only I can somehow connect to it. Also, with my Nokia 9500
>Communicator smartphone, it's internal WiFi antenna at 100mw (claimed
>anyway) got the Good signal of one of the AP's at some 50 meters
>outside.
>
>Any suggestion or comment will be greatly appreciated.
>
>Sincerely.
>
>
>------------------------------------------------------------------------
>View this thread: http://www.wirelessforums.org/showthread.php?t=32048
>http://www.wirelessforums.org

I'm fairly new to this... but the only sure-fired system I can think
of would be to use the Tranzeo Radios a the 900 MHZ band.
(http://www.tranzeo.com/products/radios/TR-902-Series )

I have a similar setup here running a distance 1600 meters. I get
great signal and about 9 mb/sec downloads.

You'd need one at each end.
The downside is that you can't do it for less than $600. But that is
a very good price considering similar equipment.

Nick.