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Hi Chunyu, I share similar opinion with Rubayet. Also I want to point out that we don’t have to explore the reserved fields for new functionalities. We have
defined new variant of TWT parameter set fields, so we can redefine some fields (e.g. broadcast TWT Recommendation field or Broadcast TWT persistence field) or we can add new fields to the rTWT variant TWT parameter set field. The changes are much less than
defining a new IE. Regards Boyce 发件人: Chunyu Hu [mailto:chunyuhu07@xxxxxxxxx]
Hi, Rubayet: Thanks for sharing your comments. Want to first clarify: I think 'network level of view' would be a more suitable description. 'time slice' is the time granularity used in the description. I agree that additional information about the schedules can be also provided by including them in each schedule specified by the corresponding rTWT parameter set. Let's follow this line of thought to see what would be alternative design -- 1) the additional info include {occupied, full, OBSS}. 2) examining the current bTWT/rTWT parameter set fields, the only available bits are the three reserved bits in the Broadcast TWT Info field (11axD8.0 Figure
9-687b—Broadcast TWT Parameter Set field format). Functionality can be met by this alternative option. This will use up all reserved fields and no room for flexibility for any future bTWT and/or rTWT specific extension needs without increasing len. Comparing some other aspect(s): -- the new IE proposed in 11-21/1147 saves the rTWT supporting STA's computation to reconstruct such a network level of view: it doesn't need to parse each and every bTWT parameter set to recompute. Given the above evaluation, I agree the alternative option could work but the new one seems a better option. Let me know your thoughts and we can discuss further. Thanks. Chunyu On Fri, Aug 20, 2021 at 3:58 PM Rubayet Shafin <r.shafin@xxxxxxxxxxx> wrote:
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