[opendtv] Re: Next-Gen TV Standard: DVB With A Twist? | TVNewsCheck.com
- From: "Allen Le Roy Limberg" <allimberg@xxxxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Sun, 1 Sep 2013 11:53:56 -0400
I believe Globcomm is proposing that 3.0 use LTE rather than a variant of
DVB-T2.
Allen
----- Original Message -----
From: Craig Birkmaier
To: opendtv@xxxxxxxxxxxxx
Cc: <opendtv@xxxxxxxxxxxxx>
Sent: Friday, August 30, 2013 5:43 PM
Subject: [opendtv] Re: Next-Gen TV Standard: DVB With A Twist? |
TVNewsCheck.com
What is the likelihood that device manufacturers would support both LTE and
DVBT2 in smartphones and tablets?
Looks like the same old, same old. The usual characters are trying to
entrench their IP by keeping the broadcast standard "proprietary." The death
march to the digital cliff continues...
Regards
Craig
On Aug 30, 2013, at 4:50 PM, Mike Tsinberg <Mike@xxxxxxxxxxxxxx> wrote:
We could have COFDM right from the beginning of ATSC.
Best Regards,
Mike Tsinberg
http://keydigital.com
On Aug 30, 2013, at 9:50 PM, "Mark Aitken" <MAitken@xxxxxxxxx> wrote:
http://www.tvnewscheck.com/article/70091/nextgen-tv-standard-dvb-with-a-twist/page/1
<image001.png>
Tech Sportlight
Next-Gen TV Standard: DVB With A Twist?
By Andrew Dodson
TVNewsCheck, August 29, 2013 11:26 AM EDT
Most of the 10 proposals for a next-generation TV standard submitted to
the Advanced Television Systems Committee last week are based on the DVB-T2,
the European broadcast standard.
The proposals, representing the work on 18 organizations and one
individual, are for the standard's "physical layer" — the component that deals
with the actual over-the-air transmission.
Detailed versions of the proposals are due Sept. 27.
The ATSC's goal is to develop a standard that generates a signal robust
enough to be received on smartphones and tablets and on TV sets with indoor
antennas virtually anywhere. The ATSC also wants the standard to give
broadcasters a platform to implement advanced services like 4K, 3D and
interactivity.
ATSC is on a timetable to adopt a final standard by 2016. It would take
several years after that to implement.
Organizations that submitted a proposal included television
manufacturers, broadcast equipment manufacturers, international research
groups, one individual and one broadcaster, Sinclair Broadcast Group.
“I’m very pleased with all of the responses,” says Mark Richer, president
of ATSC. “There’s a great range of companies, a lot of support, and it’s always
really interesting to see which companies are working together on joint
proposals.”
The proponents:
a.. Samsung and Sony
b.. Canada’s Communications Research Centre and South Korea’s
Electronics and Telecommunications Research Institute
c.. Qualcomm and Ericsson
d.. LG and Harris Broadcast
e.. China’s National Engineering Research Center of Digital Television,
Shanghai Jiao Tong University, Shanghai Advance Research Institute, Chinese
Academy of Sciences and Bell Labs
f.. Allen Limberg
g.. Technicolor
h.. Sinclair Broadcast Group and Coherent Logix
i.. DVB
j.. Power Broadcasting
Peter Siebert, executive director of the Digital Video Broadcast (DVB)
project in Geneva, Switzerland, said he expected ATSC to adopt a standard that
would be based around DVB’s technology.
His group submitted a near blueprint of the existing standard, while
others, based on interviews with proposal authors, made alterations and added
enhancements to the standard.
Allen Limberg, the lone individual to submit a proposal, would keep
DVB-T2 nearly as-is, but would modify the way data is sent to improve
frequency-selective fading. Limberg is an inventor and engineer whose past
employers included RCA, GE and Samsung. The 76-year-old has authored 152 U.S.
patents in the radio electronics field during his career.
Technicolor, a global media and entertainment technology company,
submitted a proposal with DVB-T2 at its core, but wants to bring in mobile
transmission capabilities found in DVB-NGH, which stands for Next Generation
Handheld. NGH is a relatively new DVB effort to address specific issues with
mobile transmission found in DVB-T2, says Alan Stein, VP technology at
Technicolor.
“ATSC’s ambition is for a fixed and a mobile solution, and we believe by
incorporating some of the NGH elements, as well as updating certain things in
T2 that are known to be slightly deficient, we can put together a system that
has a high degree of worldwide compatibility and additionally be optimal for a
fixed and mobile terrestrial broadcast system,” says Stein.
Stein declined to comment on specific DVB-T2 deficiencies that
Technicolor believes could be improved upon until the detailed responses come
in next month.
A proposal put together by Canada’s Communications Research Centre (CRC)
and South Korea’s Electronics and Telecommunications Research Institute, two
government-funded research labs, wasn’t for a complete end-to-end system,
rather, it was designed as an add-on to enhance whichever standard is
ultimately selected by the ATSC.
Yiyan Wu, a research scientist at CRC, says both teams recognized that
most of the proposals would likely include DVB-T2 at the core, which uses
co-orthogonal frequency-division multiplexing (COFDM) as a modulation scheme.
“I can see our proposed model being added to almost any of the proposed
systems and be harmonized together,” says Wu. “Think of it as a top layer
solution that can go on a T2, or other high-speed transmission system.”
Mark Aitken, VP advanced technology at Sinclair, says the joint
Sinclair-Coherent system uses a “parameterized” approach and has an ability to
evolve the standard over time. “There is a go-forward, evolutionary path with
what we’ve proposed,” says Aitken.
The proposed system integrates the broadcast band and IP networks
together with an aim of making it easy for consumers to receive content on any
device over a terrestrial broadcast, which is one of the big goals of ATSC 3.0.
To make both ends of system — DVB-T2 on one end and LTE on the other —
work seamlessly together, the two organizations spent the last three years
developing what they call the Broadcast Market Exchange (BMX).
BMX is a rules-based intelligent network that’s open in the sense that
it’s a marketplace where different content and different delivery methods,
chosen by an individual broadcaster, may derive different business values based
on the nature of business being conducted.
“The BMX is the orchestra leader that says these resources are available
here, they can be contracted on these terms, you’ve already set your terms for
delivery, and off it goes,” says Aitken. “To the end-user, it’s invisible, in
every literal sense that when you use a cellphone today, you pick it up, dial
in a number and you talk. You don’t worry about how it ended up that you’re
having a conversation. We’re talking about that same level of transparency to
the end-user that allows broadcasting to engage in business models that today
are absolutely impossible.”
Under Sinclair’s proposal, if a broadcaster, for example, wanted to
broadcast premium content over-the-air, it could set up rules to charge for
that content to that user.
Aitken says the best part about his system is that nothing in it is
mandatory.
“If a broadcaster wants to be on an island and thinks it has better
economics as an island, you can still do what you’re doing today,” he says.
Aitken also says he was disappointed by the lack of diversity in the
other proposals.
“They are all absolute dead-ending proposals,” says Aitken. “In other
words, if you’ve got the best you can get out of DVB-T2, with some
enhancements, it would most definitely be an improvement over where we are
today, but what happens in five years when the next greatest technology comes
along and you’re stuck where you are?”
For its proposal, San Diego-based telecommunications company Qualcomm,
which partnered with Ericsson, stepped outside the DVB-T2 bubble. The companies
proposed a standard that would allow a TV station to broadcast over LTE, just
as wireless carriers use the technology today to send and receive data from
mobile devices.
According to Brent Nelson, product manager at Qualcomm, both companies
believe LTE broadcast is the best option to reach fixed and mobile devices, and
demoed the technology at the CES and NAB trade shows in Las Vegas earlier this
year.
“The use of LTE enables an all-IP solution that brings broadcast
television into technical alignment with the future of streaming media,” Nelson
said in an email to TVNewsCheck. Because LTE is used globally, he added, it
would achieve one of the goals of ATSC 3.0 that calls for a more global
standard.
It’s unclear if Qualcomm and Ericsson’s solution would use an enhanced or
modified version of existing LTE technology. Nelson declined comment on
specifics until a more detailed proposal has been submitted next month.
LG, the developer of the current ATSC transmission standard, teamed up
with Harris Broadcast to submit a system, but declined to talk about it.
“Our innovations are designed to expand the capabilities of today’s ATSC
terrestrial broadcast system with modulation and coding enhancements for
improved throughput and robustness," a spokesman for LG said.
South Australian-based Power Broadcasting, a telecommunications
consulting firm, submitted a proposal for DVB-T2 with modified coding for error
correction. However, Max Power, the founder of Power Broadcasting, says that
ATSC has already contacted him saying that his proposal was out of compliance
with the RFP.
A spokesperson for Sony, which partnered with Samsung on a proposal, had
no immediate comment.
Most of the system proponents contacted for this article say they expect
the proponents to mix and match elements from the various proposals and come up
with a single common system. That was the approach that yielded the current
ATSC standard in the 1990s.
But not everyone thought that was a good idea. “I wouldn’t expect another
grand alliance,” says Aitken. “I’d hope, this time around, for a grand
convergence that allows the best of the class ideas to exist alongside each
other.”
Work has already begun on the two other layers of the complete standard —
management and protocols, and application and presentation. But there’s no
schedule for the call for proposals for those layers, says Richer.
Other related posts: