[LINK] Senator Coonan on 7:30 Report

[Richard Chirgwin]

Jan Whitaker wrote:
> At 12:36 AM 19/06/2007, Saliya Wimalaratne wrote:
>> Another thing that happens with increasing distance is the
>> necessity of adjusting timing to suit longer distances -
>> this pretty much doesn't happen with consumer-level kit and isn't
>> part of the standard(s) as far as I'm aware.
>
> Saliya, how can the guy from Optus stand up in front of a camera and 
> say such stupid things about the reasonable use of this 'new' 
> technology for remote locations? Seems to me that if there are dead 
> spots for mobiles because of lack of towers, there will be dead spots 
> for wireless access. Or are they going to pay for high speed satellite 
> data streams? Has anyone seen the detail of this 'new' 'plan' (sic)?
Jan first: a point to point link is handled differently from a mobile 
base station. If you can get (near) line of sight with WiMax, you can 
get a connection; and yes, you may well need to put the customer antenna 
high on a pole. I don't doubt reasonable expectation of 20km, but I do 
doubt "20 km at high speed for many users at low price".

Sal: Timing is an issue for mobile base stations because it's part of 
the decision of which base station your phone logs into. It doesn't come 
into play in a single point-to-point connection such as WiMax for last 
mile connections.

Roger: I would have contacted Canberra Linkers except I was only there 
24 hours, and in the evening, I was working with the boss on her 
(controversial) OECD broadband study!

And yes, the 19km link  was a little tricky, but the YLess4U guy has 
local knowledge. We were looking out the lakeside window of the National 
Museum, I suppose the connection was pointing roughly northwest between 
a couple of hills.

RC

>
> Jan
>
>
> Jan Whitaker
> JLWhitaker Associates, Melbourne Victoria
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