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Support of STR Relaying in 802.16m IEEE 802.16 Presentation Submission Template (Rev. 9) Document Number: IEEE S802.16m-08/1274 Date Submitted: 2008-11-10.

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Presentation on theme: "Support of STR Relaying in 802.16m IEEE 802.16 Presentation Submission Template (Rev. 9) Document Number: IEEE S802.16m-08/1274 Date Submitted: 2008-11-10."— Presentation transcript:

1 Support of STR Relaying in 802.16m IEEE 802.16 Presentation Submission Template (Rev. 9) Document Number: IEEE S802.16m-08/1274 Date Submitted: 2008-11-10 Source: Seung Hee Han, Takki Yu, Sungyoon Jung, Jungje Son, Voice:+82-31-279-5769 Rakesh Taori, Hyunjeong Kang, Youngbin Chang, E-mail:sh0506.han@samsung.comsh0506.han@samsung.com Sangboh Yun, Yungsoo Kim, Jaekon Lee Samsung Electronics Co., Ltd. 416 Maetan-3dong, Suwon 443-742, Korea Venue: TGm SDD: Relay, Call for Comments and Contributions on Project 802.16m System Description Document (SDD) Base Contribution: N/A Purpose: For consideration and adoption into the 16m SDD document 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

2 Support of STR Relaying in 802.16m November 2008 2

3 Introduction  Purpose of contribution This contribution proposes the inclusion of a relaying model in the system description document (SDD) that enables simultaneous transmission and reception. We will also show/illustrate how the proposed relaying model can be accommodated. 3

4 STR Relaying and TTR Relaying  In current 802.16j standard draft, two kinds of relaying models are considered: Time-division transmit and receive (TTR) relaying: a relay mechanism where transmission to subordinate station(s) and reception from the superordinate station, or transmission to the superordinate station and reception from subordinate station(s) is separated in time. Simultaneous transmit and receive (STR) relaying: a relay mechanism where transmission to subordinate station(s) and reception from the superordinate station, or transmission to the superordinate station and reception from subordinate station(s) are performed simultaneously. TTR relay station (RS): a non-transparent RS which performs TTR relaying STR RS: a non-transparent RS capable of performing STR relaying  Current version of 802.16m SDD contains relay frame structures for TTR RS only. In this contribution, we propose a relay frame structure for accommodating STR RS in 802.16m based on relay frame structure option 1. 4

5 Frame Structure  Frame structures to support STR RS For STR relaying, multiple antenna sets, tuned to the same frequency or different frequencies, can be used to support simultaneous transmission and reception. STR RS can be supported by a straight-forward extension to the current relay frame structure. We discuss two cases:  Frame structure for supporting STR RS when STR RSs and TTR RSs coexist  Frame structure when there are STR RSs only 5

6 Frame Structure  Frame structure supporting STR RS and TTR RS coexistence 6 Zone-based frame structure should be maintained. STR RS can receive the data from the superordinate station in the transmit zone as well as in the receive zone. GAP is not required because an STR RS can transmit and receive at the same time

7 Frame Structure  When there are STR RSs only 7 Can be viewed as a version of previous figure where the zone boundaries have been adjusted as far to the left (or right). It is possible to use the whole DL/UL subframe for transmission and reception at the same time. This frame structure, when viewed from the view point of any of the antenna, is identical to the “normal” 16m frame structure.

8 Proposed Changes  Insert the following definitions after line 23 of page 7 as indicated: 3 Definitions x1. time-division transmit and receive (TTR) relaying: a relay mechanism where transmission to subordinate station(s) and reception from the superordinate station, or transmission to the superordinate station and reception from subordinate station(s) is separated in time. x2. TTR RS: a non-transparent relay station which performs TTR relaying. x3. simultaneous transmit and receive (STR) relaying: a relay mechanism where transmission to subordinate station(s) and reception from the superordinate station, or transmission to the superordinate station and reception from subordinate station(s) are performed simultaneously. x4. STR RS: a non-transparent relay station capable of performing STR relaying. 8

9 Proposed Changes  Insert the following subclauses at the end of page 49 as indicated: Relay frame structure option 1 is only applicable to TTR RS. Figure xx illustrates the relay frame structure when STR RS and TTR RS coexist. For STR relaying, multiple antenna sets, tuned to the same frequency or different frequencies, can be used to support simultaneous transmission and reception. STR RS can receive data from the superordinate station in the transmit zone as well as in the receive zone. Note that a GAP is not required because an STR RS can transmit and receive at the same time. When there is no TTR RS, the zone boundaries can be adjusted as far to the left (or right). In this case, it is possible to use the whole DL/UL subframe for transmission and reception at the same time. Note that this frame structure, when viewed from the view point of any of the antenna, is identical to the basic 16m frame structure. 9

10 Proposed Changes  Insert the following subclauses at the end of page 49 as indicated: (cont.) 10 Figure xx. Extension of relay frame structure option 1 for accommodating STR RS

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