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Frame Structure Considerations for 802.16n IEEE 802.16 Presentation Submission Template (Rev. 9) Document Number: IEEE C802.16n-11/0005 Date Submitted:

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Presentation on theme: "Frame Structure Considerations for 802.16n IEEE 802.16 Presentation Submission Template (Rev. 9) Document Number: IEEE C802.16n-11/0005 Date Submitted:"— Presentation transcript:

1 Frame Structure Considerations for 802.16n IEEE 802.16 Presentation Submission Template (Rev. 9) Document Number: IEEE C802.16n-11/0005 Date Submitted: 2011-03-04 Source: Eldad ZeiraVoice: InterDigitalE-mail: eldad.zeira@interdigital.com Venue: IEEE 802.16n Base Contribution: N/A Purpose: To be discussed and adopted by 802.16n 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’s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE 802.16. Patent Policy: The contributor is familiar with the IEEE-SA Patent Policy and Procedures: and.http://standards.ieee.org/guides/bylaws/sect6-7.html#6http://standards.ieee.org/guides/opman/sect6.html#6.3 Further information is located at and.http://standards.ieee.org/board/pat/pat-material.htmlhttp://standards.ieee.org/board/pat 1

2 Frame Structure Considerations for 802.16n

3 IEEE C802.16n-11/0005 Frame - or sub-frame – based switching? Some criteria: –Network controllable operation Avoid need for “hard wired” configurations –Suitable for all new 802.16 features 1.HR-MS Forwarding 2.MS-MS communications (w or without a BS) 3.Device collaboration (optional under 802.16p) –Low latency where needed –Re-use existing 802.16 designs as much as possible –Backward compatibility

4 IEEE C802.16n-11/0005 Frame Structure Options for 802.16 Sub-frame switchingFrame switching StandardizationReuse 802.16 RS / ARS design New design LatencyLowerHigher Multi-UseDevice CollaborationOK HR-MS ForwardingNaturalUnsuitable (source cannot receive BS) MS-MS direct communication New elements required FlexibilityAccess-relay balanceFlexible1:1 only Backward compatibility Yes (e.g. 802.16m ABS / ARS frames) No T/R gapsNeededNone

5 IEEE C802.16n-11/0005 Conclusion Sub-frame switching is better suited for all new 802.16 features One example of sub-frame switching is the RS / ARS frame structure

6 IEEE C802.16n-11/0005 Insert the following text (1/2) 16.3.3.1 Basic frame structure The AAI frame structure is also used for the HR- MS direct communication when infrastructure isn’t present. One of the HR-MS uses the ABS and the other (P2P) or others (P2MP) use the AMS frame structure.

7 IEEE C802.16n-11/0005 Insert the following text (2/2) 16.6.3.1 Basic frame structure supporting ARS a)The AAI ARS frame structure is also used for the HR-MS Forwarding case where the forwarding MS uses the ARS frame structure. b)The AAI ARS frame structure is also used for the MS-MS direct communication in the presence of infrastructure. One of the HR-MS uses the ARS and the other (P2P) or others (P2MP) use the AMS frame structure.

8 IEEE C802.16n-11/0005 FS for HR-MS Forwarding and MS-MS Direct communications w infrastructure (Example, 5:3 ratio frame)

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