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Project IEEE 802.16 Broadband Wireless Access Working Group

Title Inter RAT Mobility Management in IEEE 802.16m Systems

Date

Submitted

2008-07-07

Source(s)Giwon Park, Jin Lee,

Kiseon Ryu, and Ronny Yongho Kim

LG Electronics Inc.

Voice: +82-31-450-1876

E-mail: {gwpark, ronnykim}@lge.com

Re: IEEE 802.16m-08/024: Call for Contributions on Project 802.16m System Description

Document (SDD), specific topic "Upper MAC Mobility Management"

Abstract This contribution covers the considerations about the Inter-Radio Access Technology Functions

Purpose To be discussed and adopted by TGm

NoticeThis 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.

ReleaseThe 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 IEEEs name

any IEEE Standards publication even though it may include portions of this contribution; and at the IEEEs 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.

PatentPolicy

The contributor is familiar with the IEEE-SA Patent Policy and Procedures:

and.

Further information is located at and

.

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http://ieee802.org/16mailto:gwpark,%20ronnykim%7D@lge.comhttp://standards.ieee.org/guides/bylaws/sect6-7.html#6http://standards.ieee.org/guides/opman/sect6.html#6.3http://standards.ieee.org/board/pat/pat-material.htmlhttp://standards.ieee.org/board/pathttp://ieee802.org/16mailto:gwpark,%20ronnykim%7D@lge.comhttp://standards.ieee.org/guides/bylaws/sect6-7.html#6http://standards.ieee.org/guides/opman/sect6.html#6.3http://standards.ieee.org/board/pat/pat-material.htmlhttp://standards.ieee.org/board/pat

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Inter RAT Mobility Management in IEEE 802.16m systems

Giwon Park, Jin Lee, Kiseon Ryu and Ronny Yongho Kim

LG Electronics

1 Introduction

According to 802.16m System Requirement Document [1], IEEE 802.16m sh!! su""ort #u!ti$RA% o"ertion&e.g. IEEE 802.11, '()) (S#*ED(E, +#%S -D#A, %E, nd '())2 -D#A2000 etc./. It !so s"eciiestht IEEE 802.16m sh!! "roide serice continuity during inter$RA% hndoer. In order to do tht, 802.16m hsto "roide necessry "rocedures or inter$RA% hndoer.

In this contriution, 3e "ro"ose high !ee! hndoer "rocedure or #u!ti$RA% o"ertion.

2 Inter RAT Handover Procedure

%he "ro"osed inter RA% hndoer "rocedure cn e ctegori4ed into three "hses5 7 "re"rtion, 7eecution, nd 7 com"!etion. 9irst, the 7 "re"rtion is stge 3here #S "erorms necessry "rocedures inorder to m:e decision on hndoer initition. Second, the 7 "re"rtion stge inc!udes "rocedures, such s;et3or: discoery nd se!ection nd "re$registrtion. 9in!!y, the 7 eecution is stge 3here #S "erormshndoer "rocedures 3ith sering

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other RA% ce!!s. #S cn !so "erorm ;D;S 3ith comintion o the "ssie nd ctie discoery. Aterreceiing other RA% inormtion, #S cn serch other RA% in n e"edited mnner using "re$cquired otherRA% inormtion.

9or sing!e rdio #S, scnning g" or other RA% serch sh!! e conigured y Scnning "rocedure.

%he se!ine "rocedure is51. #S cn cquire other RA% net3or: to"o!ogy inormtion rom the Sering

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2.1.Pre-regi"tration%he "re$registrtion "rocedure en!es #Ss to "re$register to inter rdio trget system "rior to hndoer. Itreduces time or the registrtion required during hndoer. %he sering

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9igure '. Inter RA% 7 se!ine "rocedure &7 eecution > 7 com"!etion "hse/.

%he se!ine "rocedure is51. I Inter RA% hndoer trigger condition is met, the #S m:es decision to hndoer to other RA%

hen there eists "re$registered trget RA%, #S sh!! try to "erorm hndoer to the "re$registeredRA%.

2. #S sends nd receies 802.16m hndoer sign!ing messges &7$RE@, 7$RS), 7$I;D/ orhndoer rom 802.16m net3or: to trget net3or:.

'. %rget net3or: receies D "c:ets rom sering net3or:.?. #S s3itches oer to the trget net3or: rdio.. #S "erorms the trget rdio s"eciic ccess "rocedure.6. 802.16m sering ce!! re!eses the resource o #S.

)onclu"ion

In this contriution 3e "ro"ose high !ee! inter RA% hndoer "rocedure to su""ort #u!ti$RA% o"ertion.%hrough "ro"osed hndoer "rocedures, 7 "re"rtion, eecution nd com"!etion, 16m #S cn "erorm

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hndoer to other RA%. Deti!s to su""ort serice continuity during inter$RA% hndoer sh!! e u"dted duringStge '.

Reference"

[1] B)roCect 802.16m System Requirements Document &SRD/, 7ctoer 200

[2] )802.16Re*D' B)AR% 165 Air interce or rodnd 3ire!ess ccess systems, 9erury 2008

Te(t Propo"al for t+e I''',2.1* #!!

FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF Start of Proposed TextFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF

1' Inter RA% ndoer )rocedure[)ut tet in Section 2 in this contriution here]

1'.1 ndoer )re"rtion[)ut tet in Section 2.1 in this contriution here]

1'.2 ndoer Eecution > com"!etion[)ut tet in Section 2.2 in this contriution here]

FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF End of Proposed TextFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF

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