1. Report of the Handover Rapporteur Group, Session #55 Macau
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C802.16maint-08/234r3
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Report of the Handover Rapporteur Group for session #55
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2. Summary 22 comments relevant to the charter of the HO Rapporteur Group
Main themes:
Handover Delay
Load Balancing
Other:
HO preparation
DSx transactions interrupted by HO and service flow parameter modification during HO
Inter-bandwidth HOs
Miscelaneous

3. List of relevant comments
HANDOVER DELAY
3029 (C802.16maint-08/016): Proposal for reducing delay during HO.
3142 (C80216maint-08_107): Proposes a new method for updating TEKs during a HO
3136 (C80216maint-08/085): Proposes to include the details of the uplink allocation for RNG-REQ in BSHO-RSP while the MS is still connected to the S-BS
3128 (C802.16maint-08/003): Proposes a new way for mutual identity verification during HO.
3164 (C802.16maint-08/002): Proposes a new method for updating TEKs during a HO
3166 (C802.16maint-08/194): Proposes a new method for updating TEKs during a HO
LOAD BALANCING
3066, 3135, 3137 (C802.16maint-08/013)
This is the contribution that was close to harmonization in the last f2f meeting
3067 (C802.16maint-08/199) refers to contribution
OTHER
DSx transactions interrupted by HO and service flow parameter modification during HO
3143 (C802.16maint-08/135): Changes to CID Update TLV in RNG-RSP to indicate to the MS the outcome of DSx transactions that were interrupted by a HO.
3108 (C802.16maint-08/172): alternative solution to 3143, inform MS about the status of DSx transactions when HO is initiated.
3147(N/A): Attempts to resolve conflicting requirements in the standard for the case that the T-BS wants to change service flow parameters during a HO. Apparently the standard instructs the target BS to do the update both through DSC-REQ after completion of HO and CID Update TLV.
HO preparation
3109 (C802.16maint-08/207): Proposes some corrections for the procedure when MS rejects the target BSs proposed by the network and indicates a different target BS in HO-IND
3138(C802.16maint-08/208): Proposes what the MS should do when it receives a BSHO-REQ with no T-BS included.
3139 and 3140 (C80216maint-08/0175): Clarify how the BS should set the “action time” parameter when it includes multiple BSs in BSHO-REQ/RSP
3141 (C802.16maint-08/106): Propose different ways of handling the error scenario when HO-IND with “cancel” indication is lost and never received by the serving BS
3146 (N/A): Clarifies the meaning of bit #6 in HO process optimization
Inter-bandwidth HOs
3301 (C80216maint-08_086): Provides clarifications needed for performing inter-bandwidth handovers between 5 and 10 MHz bandwidths
Miscelaneous
3144 (C802.16maint-08/204): Defines the sleep and scanning termination details for HO operations
3061(C802.16maint-08/59): Proposes to include network authenticator identifier in RNG-REQ message to allow the network to authenticate the MS faster with minimacl network signalling overhead

4. Harmonization / F2F Activity
Group close to harmonized solution in some topics, while on-going discussion in other topics, with varying progress
HO delay reduction
Load balancing
Face-to-face time during meeting to continue group’s activities
In conjunction with other rapporteur groups and with main maintenance group so that those with overlapping interests can cover multiple meetings.
If you don’t see your comment and you believe it falls within the charter of HO rapporteur group, then see me (Stavros) or