Nov 2007
L802.11-07/071
802.21 Liaison - Session #52 Closing Plenary
IEEE 802.16 Presentation Submission Template (Rev. 9)
Document Number:
IEEE L802.16-07/071
Date Submitted:
2007-11-15
Source:
Peretz Feder
Alcatel-Lucent
Voice:
E-mail:
+1973.386-6976
pfeder@alcatel-lucent.com
Venue:
802.16 Session #52 Closing Plenary
Base Contribution:
None.
Purpose:
IEEE 802.21 Liaison Group presentation to closing plenary of the WG containing plan for the week
Notice:
This document does not represent the agreed views of the IEEE 802.16 Working Group or any of its subgroups. It represents only the views of the participants listed in
the “Source(s)” field above. It is offered as a basis for discussion. It is not binding on the contributor(s), who reserve(s) the right to add, amend or withdraw material
contained herein.
Release:
The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, and any modifications thereof, in the creation of an
IEEE Standards publication; to copyright in the IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE
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contribution may be made public by IEEE 802.16.
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Submission
Slide 1
Nov 2007
L802.11-07/071
802.21
Media Independent Handover (MIH)
• Charter
– Develop standards to enable handover and interoperability between
heterogeneous networks, including both 802 and non-802 networks
• Transition glue between 802.11 and other network technologies
– Including: 802.3, 802.16, cellular
• Overview
– Tutorial in July 2006 IEEE 802 plenary session
• http://www.ieee802.org/802_tutorials/index.htm
– Planning new tutorial for March 2008 IEEE 802 plenary session
Submission
Slide 2
Nov 2007
L802.11-07/071
P802.21 Scope
• Interfacing between 802 and other technologies
– Great variety of designs, parameters, interfaces, addresses, names
• Wider constituency than rest of 802
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Every 802 MAC/PHY technology
Cellular SDOs: 3GPP, 3GPP2
Cellular and other network developers
Network operators
Regulatory bodies, government agencies and initiatives
• European Commission Ambient Networks
• IMT Advanced
• Parameters on multiple layers of networks
– PHY, MAC, Data Link, IP, Applications, Services all are relevant
Submission
Slide 3
Nov 2007
L802.11-07/071
P802.21 Sponsor Ballot Progress
• Initial Sponsor Ballot Issued Aug 2007
• 165 Sponsor Members
– Much larger than the 802.21 Work Group (currently 73 WG voters)
• Ballot Progress
– Initial Sponsor Ballot completed Sept 17, 2007
– Approval Ratio 62%; 650 comments
• Comments
– Large number of comments from 802.11 members: Good
– Some impossible to satisfy comments: Bad
• Example: “Document needs to be a recommended practice.”
• Example: “Define conformance criteria.”
Submission
Slide 4
Nov 2007
L802.11-07/071
802.21 Internal Current Tasks
• All 650 SB comments resolved between Sept, Oct and Nov meetings
• Going for SB re-circulation at end of Nov-07. Currently at 62%
Approval, Aiming for RevCom submission by March-2008
• 802.11u (in LB) has incorporated all of MIH changes and has
included a MAC State Convergence Function in it’s reference
diagram for supporting 802.21 messages
• Multi-Radio Power Conservation Management
– Behcet Sarikaya (Huawei) Study Group Chair
• Problem statement is questioned
• TR is available
• Security Signaling
– Yoshiro Ohba (Toshiba) Study Group Chair
– Long list of presentations, including
•
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•
Submission
401 Security Signaling Performance
402 MIH Key Hierarchy
387 Security Signaling
403 Security Use Cases
390 Security Use Case Scenarios
Slide 5
Nov 2007
L802.11-07/071
802.21 Standards Interfaces
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802.1
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802.11u
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802.21 and TGu coordinated ad-hoc meetings
802.11u now provides excellent support of MIH
802.16
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Comments indicated a number of issues with 802.1 LinkSec group
802.21 will invite 802.1 to present suggestions for interface with 802.21
In 2008, planning to work more closely with 802.16m
3GPP
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Of course 3GPP documents can’t reference the incomplete 802.21 document
But 3GPP SA2 and RAN both working with members of 802.21
The 802.21 Information Server (IS) model is now part of the 3GPP architecture
3GPP completed document TR36.938 that includes 802.21 interface
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802.21 work item phase next year
DVB
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MIH measurements from the LTE side; WiMAX – LTE handover
Presentation on DVBH handovers this afternoon: 21-07-0360-00-DVB-Presentation.ppt
IMT Advanced
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Submission
802.21 submitted requirements to ITU through 802.18
More work planned in January
Slide 6
Nov 2007
L802.11-07/071
P802.21 Current State and Timeline
• Sponsor Ballot: 165 voters
– WG only had only 69 voters
• Initial Sponsor Ballot completed Sept 2007
• Second Sponsor Ballot after this session
– In September completed half of 650 comments from initial sponsor
ballot
– Almost 200 treated in October ad-hoc meeting
– Completing the remainder this session
– 8 voters so far have indicated that they will change their votes
• Pending agreed-on changes
• Still Plan to Submit to RevCom March 2008
Submission
Slide 7
Nov 2007
L802.11-07/071
References
• This document
• Thanks to Vivek Gupta, Chair of 802.21
• All Documents
– http://www.ieee802.org/21
• All submissions are open to the public
– http://www.ieee802.org/21/doctree/
• Current draft is in the members-only area
Submission
Slide 8