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Doc.: IEEE 802.21-04/xxxr0 Submission May 2004 Stephen McCann, Siemens Roke ManorSlide 1 IEEE 802.11 Wireless Interworking with External Networks (WIEN)

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Presentation on theme: "Doc.: IEEE 802.21-04/xxxr0 Submission May 2004 Stephen McCann, Siemens Roke ManorSlide 1 IEEE 802.11 Wireless Interworking with External Networks (WIEN)"— Presentation transcript:

1 doc.: IEEE 802.21-04/xxxr0 Submission May 2004 Stephen McCann, Siemens Roke ManorSlide 1 IEEE 802.11 Wireless Interworking with External Networks (WIEN) Study Group Stephen McCann, Siemens Roke Manor stephen.mccann@roke.co.uk

2 doc.: IEEE 802.21-04/xxxr0 Submission May 2004 Stephen McCann, Siemens Roke ManorSlide 2 Objective Presentation to IEEE 802.21 to describe the scope and work of the new IEEE 802.11 WIEN Study Group.

3 doc.: IEEE 802.21-04/xxxr0 Submission May 2004 Stephen McCann, Siemens Roke ManorSlide 3 IEEE 802.11 Interworking Interworking is defined as the functions and protocols necessary for integration of a wireless ethernet hotspot (STA and AP) within an existing network (such as a public cellular one), maintaining security, QoS and control.

4 doc.: IEEE 802.21-04/xxxr0 Submission May 2004 Stephen McCann, Siemens Roke ManorSlide 4 Motivation Hotspot use is currently gaining interest not only with ISPs but also with Cellular operators. It will become an increasing larger issue in public communications and it is felt by many that interworking of hotspots to external networks must be addressed by the IEEE 802.11, even if the conclusion of an initial investigation is that further standardization is not actually required.

5 doc.: IEEE 802.21-04/xxxr0 Submission May 2004 Stephen McCann, Siemens Roke ManorSlide 5 Motivation II Interworking will increase the range of services and market reach of IEEE 802.11 devices. Additionally it will enable IEEE 802.11 devices to become high end terminal devices allowing user access to services only available within the cellular communications market. It is felt that both terminal and access point manufacturers will benefit from this expansion.

6 doc.: IEEE 802.21-04/xxxr0 Submission May 2004 Stephen McCann, Siemens Roke ManorSlide 6 Scope Diagram

7 doc.: IEEE 802.21-04/xxxr0 Submission May 2004 Stephen McCann, Siemens Roke ManorSlide 7 Scope Identify technical requirements, such as those on the MAC layer. Determine impacts on IEEE 802.11, for example: –network selection: is anything additional required in the MAC to support network selection, such as operator advertisement, discovery of network capabilities before authentication etc. –resource management: MAC layer interactions with end-to- end resource allocation protocols, and exchange of information between MAC and higher layers to support admission control, accounting, resource monitoring. Decide whether a TG is needed, and if so define PAR and 5Criteria.

8 doc.: IEEE 802.21-04/xxxr0 Submission May 2004 Stephen McCann, Siemens Roke ManorSlide 8 Work A decision regarding the creation of a Task Group Creation of PAR and 5Criteria with the objective of producing an output document which defines how to interwork IEEE 802.11 equipment with external networks (Cellular, Enterprise, ISPs) and where the control of such a system lies. Draft set of input requirements (e.g. layer 2 and layer 3 interactions) Determine relationships with other IEEE 802 groups. To underpin specific requirements raised by external standardization bodies

9 doc.: IEEE 802.21-04/xxxr0 Submission May 2004 Stephen McCann, Siemens Roke ManorSlide 9 WIEN SG Roadmap May 2004 : Initial scope bashing July 2004 : Draft PAR & 5 Criteria September 2004 : Refinement of PAR & 5 Criteria November 2004 : Motion to create TG January/March 2005 : TG creation

10 doc.: IEEE 802.21-04/xxxr0 Submission May 2004 Stephen McCann, Siemens Roke ManorSlide 10 Issues IEEE 802.11 has to support wireless cellular functionality regardless of IEEE 802.21 output –WIEN TG (possibly) will have mandate to write amendment to IEEE 802.11 standard WIEN would like IEEE 802.21 to complete their media independent handoff work so that it can ensure conformance to that model. WIEN requires IEEE 802.21 issues, regarding handoff models, which have specific impacts on IEEE 802.11.

11 doc.: IEEE 802.21-04/xxxr0 Submission May 2004 Stephen McCann, Siemens Roke ManorSlide 11 Additional IEEE 802.21 outputs, which would be useful to WIEN Trigger models Layer 2 interactions Network Discovery issues Authentication IEEE 802.11 beacon enhancements

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