[opendtv] Re: DTV deja vu all over again: A visit via Dr Who's Tardis...
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Mon, 13 Mar 2006 11:14:30 -0500
Bob Miller wrote:
> After all mobile cellular DTV will be amazing because of
> how easily it will be received even where your cell phone
> doesn't work.
Depends entirely on what you mean by "doesn't work."
Cellular coverage will easily exceed broadcast coverage to handheld
devices, because (a) there are far more cell towers than broadcast
towers and (b) cell phones negotiate individually with the strongest
cell tower to achieve a link, whereas in broadcast you simply hope for
an adequate signal.
In principle, you can drive cross country along most US interstates and
have constant access to your choice of video stream, over 3G cellular.
Not likely with DVB-H, even if you keep manually changing channels.
But it's also true that if you request a fast link for your video
stream, and the cell you're in is all booked up, you won't get that
link. So that's when the broadcast method might have the advantage, as
long as there's adequate signal at your location.
> And I think that the FCC has shown openness to new kids
> on the block like Sirius and XMRadio as accomplishments
> of the FCC's. And at the expense of free OTA radio BTW.
That's a difficult position to support, given that the FCC has mandated
DTT receivers in all TVs and recording devices as of 1 March 2007. Seems
to me they're fairly even handed.
Bert
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