[opendtv] Re: Are ATSC Stations Going Off The Air?
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: "opendtv@xxxxxxxxxxxxx" <opendtv@xxxxxxxxxxxxx>
- Date: Fri, 11 Oct 2013 23:11:08 +0000
Craig Birkmaier wrote:
> Any new ATSC standard that DOES NOT leverage an LTE overlay network,
I continue to wonder why the US cellcos would allow this to happen, UNLESS the
LTE overlay network were their own. We have the unfortunate situation where
cellcos control what type of phone they'll allow. It seems unlikely that they
would allow free access to TV to their phones, over someone else's LTE
frequencies, any more than they jumped at the opportunity to use ATSC-MH.
The other thing is, wouldn't it be nice, for robustness, to create some sort of
n-FSK scheme that had adequate b/s/Hz? Seems like not doable, but FM is more
impervious than PM to distortions. I think the original 2G GSM used FM (it was
called GMSK), but it was limited to something like 1 bit per symbol. Got to do
some more searching on this topic.
Bert
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