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Dear Dmitry Akhmetov,
Hello, this is Juseong Moon from KNUT.
I want to further discuss on your resolution of CID 12414.
It is to cover the case of a STA with multiple EDCAFs whose backoff counter is 0. Your resolution is to reject the comment because the behavior of other EDCAFs are covered by bullet (3) and paragraph on line 17. However, bullet (3) and paragraph on line 17 is described in terms of STA so in my opinion, it doesn't cover the multiple EDCAFs with backoff counter 0 case.
(3) does not cover "other" EDCAFs becasue this case doen't fall into step (3). Because a STA has already transmitted a frame with selected one EDCAF, the STA is no longer "(3) A STA with backoff counter that has already reached zero and that choose not to transmit following condition 1b)."
In the case of transmitting from the selected one EDCAFs among EDCAFs with backoff counter 0, there are two possible cases for the not selected EDCAFs: 1. keeping backoff counter 0 and 2. invoke new backoff counter.
1. Keeping backoff counter 0
A paragraph on line 17 may be applied. However, "A STA with backoff counter that has already reached zero" may have more than two EDCAFs with backoff counter 0. Then a STA needs to choose one EDCAF. We need a description how to select one EDCAF if there are multiple EDCAFs with backoff couter 0.
2. Invoke new backoff counter
This might be the clearer solution. Since (3) does not cover other EDCAFs with backoff counter 0, "CW[AC] and QSRC[AC] are left unchanged" can not be applied. We need a description what kind of EDCAFs parameters's value should be used.
If I am missing your point, please let me know.
Best Regards,
Juseong Moon
Hi Everyone,
I have uploaded document 1442r0 with CR for the clause 35.3.16.6 Start time sync PPDUs medium access
Would you please let me know if you have comments/suggestions/questions to make convergence faster?
Thank you.
Dmitry
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