[opendtv] Re: Multi-band TV receiver and DVB-H
- From: "John Shutt" <shuttj@xxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Wed, 26 May 2004 12:48:04 -0400
Bert,
You seem to imply that DVB-H is only broadcast separately from DTT. It can
be, but it is also designed to be included as part of a normal DVB-T
transmission, and that is where the power of DVB-H comes in.
<http://www.dvb.org/documents/white-papers/wp07.DVB-H.final.pdf>
"Like DVB-T, DVB-H can be used in 6, 7 and 8 MHz channel environments.
However, a 5MHz option is also specified for use in non-broadcast
environments. A key initial requirement, and an amazing feature of DVB-H, is
that it can co-exist with DVB-T in the same multiplex. Thus, an operator can
choose to have 2 DVB-T services and one DVB-H service in the same overall
DVB-T multiplex."
and
<http://www.dvb.org/documents//DVB-H_Outline.pdf>
" Usage scenarios:
.The following slides give examples of network configurations
.Existing DVB-T network with indoor coverage and DVB-H sharing MUX
.DVB-T and DVB-H using hierarchical transmission in the same RF channel;
DVB-H on the high priority stream
.DVB-H dedicated network which may, e.g., use 4k OFDM"
Only the latter is possible here, and that option will render it to be a
subscription-only service.
John Shutt
----- Original Message -----
From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
To: "OpenDTV (E-mail)" <opendtv@xxxxxxxxxxxxx>
Sent: Wednesday, May 26, 2004 12:05 PM
Subject: [opendtv] Multi-band TV receiver and DVB-H
> Interesting article. Since DVB-H is transmitted over separate channels
> from DTT, no reason why it can't be deployed here as easily as it can
> be in Europe.
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