Re: [STDS-802-11-TGBE] Group addressed BU delivery DCN 0503/r2

[Yongho Seok <yongho.seok@xxxxxxxxx>]

Hello Ming, 

I think that in your proposal an AP MLD indicates to a STA MLD a configured link to send group addressed BUs. Also, the AP MLD signals the group addressed BUs notification of other links. 

When the STA MLD is not operating on the configured link, it should switch the link for receiving a group addressed frame.  

First, it is not clear how the SP is related to your proposal. 

Second is that it can be considered in R2 for improving efficiency but in R1 a group addressed BU delivery mechanism should be simple and flexible on the non-AP MLD implementation side.

Thanks, 

Yongho 

2020년 7월 7일 (화) 오전 5:40, Ganming (Ming) <ming.gan@xxxxxxxxxx>님이 작성:

Hello all,

 

I proposed that Group addressed BU delivery is link specific and leave this transmission schedule to the AP in this contribution. Because of limited time for Q&A, please tell me if you have any comments.

 

I try to answer concerns for “switch”, I understand receiving group addressed BU has benefit to the non-AP side. Based on the balance between Rights and Obligations, it indeed requires non-AP to do something, such as switch. Moreover, it is not needed for single radio MLD to receive group addressed BU by switching frequently because it will park on one link for quite long time.  It is not like duplication, it does harm to legacy STA and single link STA and make every link congested.

 

•    Do you agree that group addressed BUs transmission immediately after DTIM beacon is link specific for an AP MLD

 

 

https://mentor.ieee.org/802.11/dcn/20/11-20-0661-02-00be-group-addressed-frames-delivery-for-mlo.pptx

 

Best wishes,

Ming Gan

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