[MLB-WIRELESS] Network Structure - Was Re: Anyone know these people?

rik mibz at optushome.com.au
Fri Apr 25 20:28:08 EST 2003


you are coreect spinning things 180 does nothing spinning them 90degs
changes the polirization
----- Original Message -----
From: "Matt" <matthew.c.boyd at uts.edu.au>
To: <melbwireless at wireless.org.au>
Sent: Friday, April 25, 2003 6:20 PM
Subject: Re: [MLB-WIRELESS] Network Structure - Was Re: Anyone know these
people?


> Wouldn't that be 90 degrees out of phase? 180 would just be upside down
and
> still either vertical or horizontal, unless theres some aspect of this I
> don't understand.. which has happened before....
> Matt
> Node BCG
>
>
> At 12:43 PM 25/4/2003 +1000, bchild at wireless.org.au wrote:
> >Well u could run 6 links, technically speaking more, if u run them at
> >different polarizations, in theory the noise floor increases true, but in
> >the same respect, if they are 180 degrees out of phase then there is not
> >much interference against ur other antenna, u can mount u antenna @ any
> >angle u link in a directional form, so long as the other antenna is at
the
> >rite polarization.
> >
> >Regards Glen
> >(Nodes AAC,FTA)
> >
> > > At this stage the majority of people I'm working with are going to be
> > > type 2) Backbone nodes.  We have several systems setup with multiple
> > > wireless cards which will use directional antennas.  Some of these
nodes
> > > may run AP's also preferably with 180degree antennas to cover specific
> > > areas that only they can cover.  These will be aligned so as not to
> > > overlap and can only be run at nodes with 2 directional links.  As you
> > > can see each location can really only have a maximum of 3 wireless
> > > devices in total, so 2 backbones and an AP, or 3 backbones, or 1
> > > backbone and 2 AP's (weird?).
> >
> >
> >
> >
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>
>
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