Re: [802.21] IEEE 802.21 - DVB Integration Presentation
Hi Daniel,
many thanks for your comment, and sorry for the late answer. I
understand your concerns on the issue. In most terms I also agree with
you that up to now, there was nearly no contact between DVB and other
technologies, and if it existed this was at the service layer, which is
the easiest and fastest way to solve some problems. Nevertheless we are
convinced that the things are changing and there is a strong convergence
of broadcast technologies and traditional telecommunication. I hope to
be able to go more into the details during my presentation.
Additionally, about the return channel, you're also right that it is not
within the scope of IEEE 802.21. We will consider during my
presentation what kind of implications this need of return channel might
have on 802.21. However initially, we see only minor modification needs
(and even those are not really required), which might be required
regarding the return channel. Instead of that we should rather focus on
DVB-H as it is. Information gathering from DVB itself such as technical
information enabling the connections, services, and other handover
related information is of great importance, which is in fact the basics
of IEEE 802.21. And media independence is also the very basics of .21.
We should first focus on those and only then and only if really needed
consider return channel for DVB. I will also try to go into details of
this subject during my presentation.
Best Regards
Burak
Daniel Park schrieb:
> quite interesting to me. But IEEE 802.21 specification as of today
> does not take care of any broadcasting channel. It seems not *network*
> interface. Using 3GPP/WiMAX as a return channel for DVB interactive is
> ok, but it is beyond scope of IEEE 802 standard. How we adopt IEEE
> 802.21 to DVB/DMB/MediaFLO is up to implementation specific. Most
> limitation in my feeling does not happen any HANDOVER between them.
>
>
>
> But, interesting issue.
>
>
>
> my 0.02 cents,
>
>
>
> Daniel Park [at] SAMSUNG Electronics
>
>
> ------- *Original Message* -------
> *Sender* : Burak Simsek<burak.simsek@FOKUS.FRAUNHOFER.DE>
> *Date* : 2007-11-09 04:04 (GMT+09:00)
> *Title* : [802.21] IEEE 802.21 - DVB Integration Presentation
>
> Dear Colleagues,
>
> Wednesday afternoon at 02:00 PM we will present our proposal considering the
>
> integration of unidirectional technologies such as DVB-H into IEEE
> 802.21. This integration would allow IEEE 802.21 to support hybrid
> networks, where powerful bi-directional technologies like i.e. WiMAX or
> UMTS are enriched with broadcast dedicated technologies. The current
> proposal focuses on DVB-H, but should be generic enough to allow
> extensions handling other broadcast technologies.
>
> During our presentation on Wednesday, we will look at the major features
>
> of unidirectional technologies, particularly the DVB-H standard, and
> motivate why we see a merit in covering them in IEEE 802.21- both from a
>
> technical and a business point of view. To round up the talk, we'll
> identify open issues and develop potential steps towards this proposed
> technology integration.
>
> This proposal has been prepared by Fraunhofer Institute, Deutsche
> Telekom, T-Systems, NEC, Technical University of Braunschweig, IRT and
> Eurecom. Those companies/institutes also support the proposal
> officially. Additionally, Prof. Reimers, who's known as the father of
> DVB in Europe has announced his support to this proposal as follows:
>
> "In my capacity as Chairman of the Technical Module of the International
>
> DVB Project I strongly support the inclusion of DVB-H in IEEE 802.21.
> Mobile TV based on DVB-H is being introduced in many countries around
> the world. Whereas in the first phase it will mostly bring entertainment
>
> services to handhelds such as mobile phones it provides a generic data
> downstream with high data rates. It is clear that numerous companies are
>
> working on the integration of 3G networks and this additional DVB-H
> broadcast downstream into "hybrid" network structures. The IEEE would
> therefore be well advised to incorporate certain broadcast technologies
> in IEEE 802.21." Ulrich Reimers
>
> We would be happy to discuss this topic with you either on this mailing
> list or during the 802 convention.
>
> Best regards,
>
> Burak Simsek
> Fraunhofer Institute
> Germany
>
>
>
>
>