Re: Re(4): [67ATTENDEES] IETF 67 Network goes down at 12:00

Markus Stenberg writes:
> I'm hoping the 11a goes away, if it leads to more b/g coverage
> (unlikely, considering they're probably provided by the same access
> points, but I live in hope).

The problem is not so much that 11a and b/g are provided by the same
access points.  The problem is more that the ~2.4GHz spectrum
available for 11b/g is very limited compared to the ~5GHz spectrum for
11a.  This makes it much harder for to come up with a good channel
allocation plan for b/g than for a.

> Why is that? I have a Japanese 11a/b/g both in my Thinkpad and
> Panasonic laptops. Unfortunately, it seems that some moron's been in
> charge when the frequency sets for 11a were chosen (or I'm a moron),
> as I can't see the 11a networks in IETFs at all. I _suspect_ it is
> our good friend region-coding that is acting up - apparently both of
> my laptops subscribe to the ZZJ (Japan) frequency set according to
> the Intel driver in Linux, and unfortunately I can't change that
> while travelling.

Shouldn't that be possible, e.g. by flashing the card with different
firmware when you change continents? And as someone else said,
regulations in Japan seem to have changed anyway, so maybe you can
upgrade firmware to the newer Japanese channel set, or the common
subset of that and the other regions.
-- 
Simon.

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