21-10-0001-00-0000
Project
IEEE 802.21 Media Independent Handover Services Working Group
Title
Minutes of November 2009 802.21b TG Meeting
Date
submitted
2010-01-06
Source(s)
Juan Carlos Zúñiga
InterDigital Communications, LLC
Abstract
Purpose
Release
Patent
Policy and
Procedures
Contact
Info
j.c.zuniga@ieee.org
IEEE 802.21b meeting minutes
To record the minutes of the IEEE 802.21b Task Group meeting
IEEE 802.21 session #35 in Atlanta, GA
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in the IEEE’s name any IEEE Standards publication even though it may include portions of this
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<http://standards.ieee.org/guides/opman/sect6.html#6.3>.
Further information is located at <http://standards.ieee.org/board/pat/pat-material.html>
and <http://standards.ieee.org/board/pat>.
Minutes of 802.21b TG Meeting
Session #35, Atlanta, GA
IEEE 802.21b Task Group on MIH Broadcast Services
If you see errors or omissions in these minutes please contact Juan Carlos Zuniga at j.c.zuniga@ieee.org
All meeting documents should be posted to https://mentor.ieee.org/802.21/
AGENDA
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Tuesday, November 17th, 2009
10:30am-12:30pm
Broadcast TG Meeting Called to Order
Juan Carlos Zuniga
Agenda for September 2009 Meeting
Juan Carlos Zuniga
Opening Note
Juan Carlos Zuniga
21-09-0112-01 802.21b Proposal Guidelines (review)
Juan Carlos Zuniga
21-09-0143-01 802.21b Proposal
Hongseok Jeon
Recess
Page 1 of 4
10:30am
10:32am
10:35am
10:40am
11:00am
12:30pm
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Meeting called to order
21-09-0141-01 802.21b Proposal
Group’s next steps
Closing Note
Adjourn
Tuesday, November 17th, 2009
1:30pm-3:30pm
Juan Carlos Zuniga
Catherine Livet
Juan Carlos Zuniga
Juan Carlos Zuniga
1:30pm
1:35pm
3:00pm
3:25pm
3:30pm
MINUTES
1.00
MEETING CALLED TO ORDER
The meeting was called to order on November 17th by Juan Carlos Zuniga at 10:35am
2.00
AGENDA
Document 21-09-0176-00-bcst, Broadcast Services TG Meeting Agenda was revised and approved by the group by unanimous
consent
3.00
REVIEW IEEE PATENT POLICY
Juan Carlos Zuniga asked if patent slides and policy was known by participants, but not read/reviewed word for word.
o IEEE patent policy available at the following location: http://standards.ieee.org/board/pat/pat-slideset.pdf
4.00
PROPOSAL GUIDELINES
Juan Carlos Zuniga reminded the group of document 21-09-0112-01 802.21b Proposal Guidelines
Burak Simsek: Can we accept new proposals in March?
JCZ: The current guidelines do not allow new proposals in March. We can always change the guidelines with a 50% group support,
but I would rather encourage contributing to an existing proposal and helping harmonization of proposals
5.00
•
TGb PROPOSAL PRESENTATION 1
Hongseok Jeon presented document 21-09-143-01 TGb proposal
Catherine Livet: In deployment scenario in slides 11-12, are you suggesting these interfaces be made with MIH? How do you trigger
from the MN side?
HJ: Our proposal only suggest triggers from Ntwk
Johannes: Q about use cases, for the cases where you suggest a group handovers, this requires that the vast majority of mobiles have
DO technology. What happens if some of the group members do not support DO technology?
CL: You can still do load balancing
Antonio de la Oliva: Can you do this even if you are talking about multicast?
Johannes: Yes, because perhaps one cell would be completely freed from service
AO: can we move the remaining users to a single cell?
Burak: Use cases should come from usual operators (broadcast), not mobile operators. It needs to come from the broadcaster and also
we have to consider the type of technology. This Use Case came from TDF
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AO: How can you address this message to the group? Are you going to use multicast addresses?
HJ: We will use a multicast stream
Antonio: Also, if you don’t get a response, how can you know if the HO happened?
JCZ: In slides 11, etc. Are you suggesting using RP4/RP5 to connect the MIH PoS to the BCAST server?
Please provide interfaces together with messages to understand the triggers
VG: Can someone explain the real handover? How do you transfer a TV session if there are no IP addresses?
Burak: There are IP addresses.
VG: What is the use case
BS: The technology can improve interruption time
VG: We need to know this interruption times currently
BS: Teodor can provide answers. It is probably around 500 ms
JC: But PDP context takes longer than that?
BS: I will find it
Subir: Did you consider the multicast join time?
BS: Will also find it
VG: is this what 3gpp is doing?
BS: Nokia phone does it at application layer
JC: OMA BCAST provides service in the other network, but the trigger is up to the MN
VG: We need an overall picture, Stage-2 type of picture to show the overall implementation
JC: Encourage people to come up with this representation for the next round of proposals
SD: UE process would also be important
6.00
RECESS
Meeting was recessed by Juan Carlos Zuniga at 11:45am
7.00
MEETING CALLED TO ORDER
The meeting was called to order again on November 17th by Juan Carlos Zuniga at 1:40pm
8.00
•
TGb PROPOSAL PRESENTATION 2
Catherine Livet, presented document 21-09-141-01 TGb proposal
BS: Is it true that multicast address in the baseline specification can only be used for discovery?
JC: Yes, we had this debate in the FMCA and most people had that understanding (spec is ambiguous). It would be good to improve
the text in the baseline spec.
BS: Can’t you specify the link direction simply by specifying the link type? E.g. DVB-H type is always DO
CL: Yes
Slide 16
AO: Can you really do this in 21? This is over L3 and outside the realm of 21!
CL: We provide the trigger
AO: regarding link id, you can also use link tuple and provide an implicit link direction
CL: agree
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JCZ: Slide 12 IP address of what?
BS: IP = stream
Slide 14 blue=primitives? Does push trigger also NetHOCommit? – Not standard function
CL: Agree, will correct
HJ: Who maintains a multicast address?
CL: Service management
HJ: How do you join?
CL: will provide an answer later
BS: Who triggers the link indication?
CL: The idea is to show that some parameters are needed in this primitive
AO: Who is the PoS?
CL: The MIH server
9.00
CLOSING REMARKS
Juan Carlos Zuniga reminded the group that proposals for the oncoming January meeting were requested to include detailed text
together with the presentation document, and current proposers were encouraged to take the feedback from the group to enhance their
proposals and present again in January.
10.00
MEETING ADJOURNED
The meeting was adjourned by Juan Carlos Zuniga at 3:00pm
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