[mythtv-users] wireless frontend?

[Andy Rabin]

On 7/12/06, Brian Wood <beww at beww.org> wrote:
>
> On Jul 12, 2006, at 12:30 PM, Nelson Tang wrote:
>
> > I'd like to add a data point to this discussion.  I'm using a backend
> > over wireless (a pair of WRT54 routers running OpenWRT connected to
> > each other).  I transcode my SD video down to MPEG4 and end up at
> > roughly 750MB/hr, which is a little artifact-y but seldom is it
> > distractingly so.  I've run as many as 3 frontends simulatenously (1
> > wired to the "receiving" wireless router, 2 wireless) and have very
> > nearly NO hiccups at all.  This is all on 802.11g and using the
> > simple-to-make parabolic antenna reflectors found at
> > http://www.freeantennas.com/projects/template2/index.html (the Ez-12
> > antenna, which honestly took me about 15 minutes to print, glue, cut
> > out, and fold).
> >
> > Before I used these reflectors, I would have problems getting even one
> > frontend to play flawlessly, and I would have frequent disconnections
> > (especially if someone started up the microwave).  Once I put these
> > reflectors onto my wireless antennas, I honestly can't even remember
> > having any hiccups at all during playback.  If you're thinking about
> > using wireless, I highly recommend these reflectors to boost your
> > signal - especially for my situation, where my backend is down in the
> > basement and there's only one direction I need to radiate my wireless
> > signal.
>
> Thanks for that info. I'd heard good reports from users of the
> "Pringles" style antennas but this is the first I'd heard of the
> easier-to-make pseudo-parabolic reflectors.
>
> Of course it depends on several factors, if the source of your
> interference is "on-axis" to your antennas they can actually make
> things worse.
>
> Of course going with MPEG-4 is going to help a lot as well, since you
> don't have to push as many bits as with mpeg-2.
>
> The one thing you didn't mention is the distance between your
> antennas, I'd be curious as to what range you are getting.
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I'm not currently running a seperate front end for playback, so I
can't comment on the video quality, but due to WAF restrictions, I
wasn't allowed to drill in the wall for a wired connection.  After
literally months of frustration trying to use a wireless NIC in the
Linux box itsefl, I broke down and went with the WRT54G and DDWRT
route mentioned above.  In one afternoon I had functioning what took
months without working.

Moral of the story is there are two options for this:
a)  Thoroughly research any wireless NIC you are planning or
b)  Go the flashed router method, which is slightly more expensive

Andy

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