Hi Minyoung,
Thank you for preparing the doc.
I have a few comments embedded in the attached file.
Could you please take a look?
Regards,
Abhi
From: Minyoung Park <mpark.ieee@xxxxxxxxx>
Sent: Friday, August 28, 2020 3:06 PM
To: STDS-802-11-TGBE@xxxxxxxxxxxxxxxxx
Subject: Re: [STDS-802-11-TGBE] PDT-MAC-MLO Power Save - Traffic Indication
CAUTION: This email originated from outside of
the organization.
Hi Yongho,
Thanks for your suggestion.
Regarding your suggested changes, I'm pretty sure there are more places like this and I'm not sure if this way of adding "non-AP MLD" next to STA in every place in the baseline spec is a right way to do it (not only this topic but also
other topics that are upleveling STA concept to MLD concept). Could we hold off these changes for now and see if there is a better way to do this?
Regarding the second part of your comment on the TID-link mapping, I also received an opposite view on this so for now I'll just keep it and delete later if the group decides to do so.
or for a non-AP MLD that the AP MLD with which the AP is affiliated is prepared to deliver at the time the Beacon frame is transmitted.. Bit
number N indicates the status of buffered, individually addressed MSDUs/MMPDUs for the STA
or the non-AP MLD whose AID is N, or group addressed MSDUs/MMPDUs for the STAs whose group AID is N.(11ah) It is set as(#4678) follows:
It seems that the following paragraphs (maybe more) also have to be modified.
— If the STA or the non-AP MLD is not using APSD, and any individually addressed MSDUs/MMPDUs for that STA
or that non-AP MLD are buffered and the AP,
the AP MLD or the mesh STA is prepared to deliver them, then bit number N in the traffic indication virtual bitmap is 1.
— If the STA or the non-AP MLD is using APSD, and any individually addressed MSDUs/MMPDUs for that STA
or that non-AP MLD are buffered in at least one nondelivery-enabled AC (if there exists at least one nondelivery-enabled AC), then bit number N in the traffic indication virtual bitmap is 1.
— If the STA or the non-AP MLD is using APSD, all ACs are delivery-enabled, and any individually addressed MSDUs/MMPDUs for that STA
or that non-AP MLD are buffered in any AC, then bit number N in the traffic indication virtual bitmap is 1.
— Otherwise, bit number N in the traffic indication virtual bitmap is 0.
Each bit starting from bit 2n in the traffic indication virtual bitmap corresponds to individually addressed traffic buffered for a specific STA
or a specific non-AP MLD within any BSS corresponding to a transmitted or nontransmitted BSSID at the time the Beacon frame is transmitted. The correspondence is based on the AID of the STA
or the non-AP MLD.
it seems that it is good to describe only the updated part in clause 33.3.6.1 based on the editor guideline.
An AP of an AP MLD may transmit on a link a frame that carries an indication of buffered data for transmission on other enabled link(s). The format of the indication is TBD.
An AP MLD may recommend a non-AP MLD to use one or more enabled links. The AP’s indication may be carried in a broadcast or a unicast frame. The format of the indication is TBD.
I think this is needed only if the TID-to-link mapping negotiation is applied [11-19/1544r5, 11-20/1904]. But, because the R1/R2 for the TID-to-link mapping negotiation is holding, I suggest removing this sentence for now. I will try to
resolve the R1/R2 decision by next week.
Hello Greg and all,
I've uploaded r2 based on the feedback I received so far:
Please review and let me know if you have any further comments.
Thanks for preparing the text.
Here is a comment on the last sentence.
“all links” seems to have an ambiguity. It may be interpreted as links set by “the” multi-link setup for the non-AP MLD.
Please clarify “all links” to include not only links set by the multi-link setup, but all the other links where the AP MLD operates.
For example, by adding "that the AP MLD operates on", "and the same AID is not assigned to another STA or MLD", or something similar.
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