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21-12-0120 1 IEEE 802.21 MEDIA INDEPENDENT HANDOVER DCN: 21-12-0173-00-srho Title: IEEE 802.21c TG November 2012 Report and Agenda Date Submitted: November 15, 2012 Presented at IEEE 802.21 session #53 in San Antonio, TX, USA Authors or Source(s): H Anthony Chan (Huawei Technologies) Abstract: IEEE 802.21c Single Radio Handovers: description of behavior.
21-12-0120 2 IEEE 802.21 presentation release statements This document has been prepared to assist the IEEE 802.21 Working Group. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. 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 802.21. The contributor is familiar with IEEE patent policy, as stated in Section 6 of the IEEE-SA Standards Board bylaws and in Understanding Patent Issues During IEEE Standards Development http://standards.ieee.org/board/pat/faq.pdf>
21-12-0120 3 Description of behavior MN has 3 ways to perform signaling: a. via serving network proxy function – via target network proxy function – target PoA b. via target network proxy function – target PoA
21-12-0120 4 Signaling c. In dual-radio handover, MN would use existing target network L2 frame to perform handover signaling with target PoA a and b: MN behaves as if c. MN may or may not know which target PoA or which target network MN may query Information Repository, MIH_MN_HO_CANDIDATE query, etc. MN uses SR-MIHF frame to carry L2 frame payload to a proxy function
21-12-0120 5 Proxy function behavior a. The SR-MIHF frame from MN sends to the serving proxy function which will (1) find a target network (2) signal with target network proxy function b. The SR-MIHF frame (from either MN or serving network proxy function) to the target network proxy function which will (1) find the target PoA (2) signal with target PoA
21-12-0120 6 Proxy function behavior Proxy function signals with target PoA using (1) SR-MIHF frame with the target network L2 frame (2) any other mechanism outside this spec
21-12-0120 7 SR-MIHF SR-MIHF is an extension of the functionalities in MIHF The group suggests to avoid introducing SR- MIHF, but describe in the introduction, that this amendment defines additional primitives and message extensions to perform single radio handover
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