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Support of Emergency Alert in 802.16m (AWD-15.2) IEEE 802.16 Presentation Submission Template (Rev. 9) Document Number: IEEE C802.16m-09/1554r2 Date Submitted:

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Presentation on theme: "Support of Emergency Alert in 802.16m (AWD-15.2) IEEE 802.16 Presentation Submission Template (Rev. 9) Document Number: IEEE C802.16m-09/1554r2 Date Submitted:"— Presentation transcript:

1 Support of Emergency Alert in 802.16m (AWD-15.2) IEEE 802.16 Presentation Submission Template (Rev. 9) Document Number: IEEE C802.16m-09/1554r2 Date Submitted: 2009-07-10 Source: Kanchei (Ken) Loa, Chiu-Wen Chen, Chun-Yen Hsu, Youn-Tai Lee, Yi-Ting Lin, Tsung-Yu Tsai Institute for Information Industry (III) E-mail: loa@iii.org.tw Whai-En Chen, Shih-Yuan Cheng National Ilan University (NIU) Chih-Cheng Yang National Central University (NCU) Fang-Ching (Frank) Ren ITRI Yih-Shen Chen MediaTek Inc. Venue: IEEE 802.16 Plenary, Session #62, San Francisco, California, USA AWD-15.2; in response to the TGm Call for Comments and Contributions 802.16m-09/0028r1 for Session 62 Base Contribution: N/A Purpose: For discussion and approval by IEEE 802.16 TGm 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 Introductions Emergency alert is to deliver the emergency information such as disaster warning targeted to a specific area –Emergency alert may reduce the risk and decrease the damage –Emergency alert is sent by ABSs It includes transmissions of emergency alert indicator and emergency information –The FCC requires disaster recovery maintenance, testing, prevention, emergency procedures, and recovery strategies for the timely resumption of essential services during emergencies

3 Introductions The issue is: How to alert the AMSs effectively? In this contribution, an emergency alert procedure is proposed to notify all AMSs the imminent disaster The concept of emergency alert procedure –The emergency information is broadcasted All AMSs in connected state will receive the emergency information –The emergency indicator is used to notify AMSs in idle state the transmissions of emergency information AMSs in idle state will receive the emergency information in addition to paging message

4 Emergency alert procedure Emergency alert indicator –For alerting the idle AMS, the paging message includes an emergency alert indicator Emergency alert information –Upon receipt of the emergency alert indicator, the AMSs shall decode the A-A-MAP to obtain the emergency information Transmissions of emergency information shall be indicated in the A-A-MAP using the pre-defined broadcast or multicast STID

5 Proposed text for the 802.16m AWD [Modify the following text in Line 37, Page 8 as indicated:] 15.2.1.2.1 Station Identifier (STID) The ABS assigns a 12 bits long STID to the AMS during network entry, and, in some cases, network re-entry, that uniquely identifies the AMS within the domain of the ABS. Each AMS registered in the network has an assigned STID. Some specific “ STIDs ” are reserved, for example, for broadcast, multicast, emergency alert, and ranging.

6 Proposed text for the 802.16m AWD [Insert the following text in Line 60, Page 99 as indicated:] 15.2.17.2.1 Broadcast paging message Paging message includes identification of the AMSs (i.e. temporary identifier) to be notified of DL traffic pending or location update. In addition, an emergency alert indicator is included in the paging message to notify the idle AMSs reception of the emergency information.

7 Proposed text for the 802.16m AWD [Insert the following text in Line 55, Page 100 as indicated:] 15.2.17.2.3 Operation during paging listening interval At the beginning of the paging listening interval, the AMS shall scan and synchronize on the A-PREAMBLE of its preferred ABS and decode the P-SFH of the ABS. Upon reception of the emergency alert indicator that is set to ‘ 1 ’, the AMS shall decode the A-A-MAP to obtain the emergency information.

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