[MLB-WIRELESS] GHO-South

[Dan Flett]

GHO-Mobile is an 8dB SuperPass omni mounted in front of a metal mast.  The
mast is supposed to act as a reflector.

My personal feeling is that GHO-Mobile isn't really doing what it was
supposed to do - that is, be a way to remain continuously connected to GHO
for mobile users near Mt. Dandenong.  And to be an "open access" interface
if and when GHO-North and GHO-South are both locked-down.  I feel that it
would be more useful with a 14dB Panel antenna pointing roughly towards the
CBD to provide longer-range coverage as a central zone between GHO-North and
GHO-South

Cheers,

Dan

-------------
View my blog:
http://freenetjazz.blogspot.com  

> -----Original Message-----
> From: rick [mailto:mibz at optushome.com.au] 
> Sent: Wednesday, 18 January 2006 10:51 PM
> To: Dan Flett
> Cc: melbwireless at wireless.org.au
> Subject: Re: [MLB-WIRELESS] GHO-South
> 
> what is ghomobile
> 
> and what is it for and who is it for is it just creating 
> noise that will affect the southern link?
> 
> Dan Flett wrote:
> > Hi All,
> >
> > As you may all be aware, we currently have three wireless 
> interfaces 
> > up at Node GHO.  They are GHO-North - pointed at the 
> Northern Suburbs, 
> > GHO-Mobile which is an Omnidirectional antenna, and 
> GHO-South, which 
> > is pointed at the Southern Region.
> >
> > At the moment, we in the Southern Region are having trouble even 
> > getting a sniff of the GHO-South interface.  We're not sure 
> if this is 
> > a hardware issue - possibly water damage - or if it is 
> simply due to 
> > the interface being overwhelmed with too many clients.  We need to 
> > work out what the problem is so we can re-establish the 
> link to the Southern Region.
> >
> > I will shortly be "locking-down" GHO-South by restricting 
> access.  I 
> > want to see if it is possible to re-establish the link to 
> the Southern 
> > Region by reducing the number of clients on GHO-South.  Sorry to 
> > anyone who this may disadvantage, but the ugly fact is that 802.11b 
> > has it's limitations, especially in long-range, outdoor 
> applications.
> >
> > If it is indeed the case that GHO-South is suffering too 
> many clients, 
> > I will look at ways to allow multiple clients - such as 
> RTS/CTS and/or 
> > Frottle.  This will require that each client meet certain 
> conditions 
> > to be allowed access.  The general idea is that GHO is 
> supposed to be 
> > a backbone node, not a general-access node - people that access GHO 
> > should be looking to share their GHO connection in their 
> local area.  
> > As new clients are added I will monitor the impact on throughput.
> >
> > Of course, the short-term result may be that kicking people off 
> > GHO-South may not re-establish the link to the Southern Region.  If 
> > this is the case I will still keep the interface 
> locked-down and try 
> > to find the source of the problem.  If and when we fix the problem 
> > I'll look at re-introducing other clients to the GHO-South 
> interface.
> >
> > Cheers,
> >
> > Dan
> >
> > -------------
> > View my blog:
> > http://freenetjazz.blogspot.com
> >  
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> > Melbwireless at wireless.org.au
> > http://wireless.org.au/mailman/listinfo/melbwireless
> >
> >
> >   
> 
>