[opendtv] Re: Next-Gen TV Standard: DVB With A Twist? | TVNewsCheck.com
- From: Bob Miller <robmxa@xxxxxxxxx>
- To: opendtv <opendtv@xxxxxxxxxxxxx>
- Date: Sat, 31 Aug 2013 13:29:02 -0400
I wonder why no one thought of that at the time.
On Fri, 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> <http://www.tvnewscheck.com/>****
>
> Tech Sportlight ****
>
> *Next-Gen TV Standard: DVB With A Twist?*
>
> By Andrew Dodson <news@xxxxxxxxxxxxxxxxxx> ****
>
> 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:****
>
> - Samsung and Sony****
> - Canada’s Communications Research Centre and South Korea’s
> Electronics and Telecommunications Research Institute****
> - Qualcomm and Ericsson****
> - LG and Harris Broadcast****
> - China’s National Engineering Research Center of Digital Television,
> Shanghai Jiao Tong University, Shanghai Advance Research Institute, Chinese
> Academy of Sciences and Bell Labs****
> - Allen Limberg****
> - Technicolor****
> - Sinclair Broadcast Group and Coherent Logix****
> - DVB****
> - 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.****
>
> ** **
>
>
--
Bob Miller
954-551-1217
3111 N. Ocean Dr. Apt 1607
Hollywood Beach Florida 33019
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