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HI Dongguk and Chaoming, Thanks for the comments and discussion. I have a similar CID (#3296/#3297) that I’m working on, however it covers the section 11.55.1.5.2.4 text identified by Chaoming, and the equivalent NDPA text in 11.55.1.5.2.3. The partial TSF is required when there are unassociated STAs participating, since it saves them having to keep coming back to receive the beacon.
There is also a constraint that un unassociated STA shall set the Poll Required bit (section 11.55.1.3 P137.49), and therefore a Polling phase will be present. The suggestion by Chaoming of ONLY including it for unassociated responders would indeed be the easiest resolution.
Are there any cases where we may want to provide the Partial TSF to associated STAs (e.g., long sleep interval between receiving beacons)? Another simple option could be to make the Partial TSF mandatory when unassociated STAs are participating, but not exclude the option of adding it for exchanges that begin with a polling phase. What are your thoughts? Thanks and regards, -Chris From: stds-802-11-tgbf@xxxxxxxxxxxxxxxxx <stds-802-11-tgbf@xxxxxxxxxxxxxxxxx>
On Behalf Of ???(Chaoming Luo) Hi Dongguk, Thanks for the contribution! I do have a question per CID 3204 and I don’t think the issue got resolved. The CID raises such a case: the measurement exchange does not contain a polling phase (e.g., no unassociated non-AP responders). In such a case, how should the Partial
TSF field in the SR2SI Sounding Trigger frame be set? Keep in mind in the current
11.55.1.5.2.4 TF sounding phase - SR2SI variant, it looks like the SR2SI Sounding Trigger frame always includes a the User Info field with the AID12/USID12 field equal to 2008. If the Partial TSF field is used by unassociated non-AP only, I’d suggest we add text (may be in clause 11) to clarify the SR2SI Sounding Trigger frame includes
the User Info field with the AID12/USID12 field equal to 2008 only when there is unassociated non-AP responder(s), otherwise it does not include that User Info field. BR, Chaoming 发件人:
stds-802-11-tgbf@xxxxxxxxxxxxxxxxx <stds-802-11-tgbf@xxxxxxxxxxxxxxxxx>
代表 Dongguk Lim
Hi All,
I would like to share CR contribution, which provides resolutions for 5 CIDs related to
SR2SI Sounding Trigger frame. I plan to upload it to the server after hearing your opinions. So, I would appreciate it if you could share your thoughts. Best regards, Dongguk.
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