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--- This message came from the IEEE 802.11 Task Group M Technical Reflector ---
Hello Dave, Mark and all,
Thank you for your inputs.
I have updated doc 22/0398 to incorporate your feedback. See:
https://mentor.ieee.org/802.11/dcn/22/11-22-0398-02-000m-proposed-resolution-for-spp-a-msdu-support.docx Note that the update in 22/0398r2 is in the discussion section, no additional change to the proposed change section. Regards, Emily
From: Mark Rison <m.rison@xxxxxxxxxxx>
--- This message came from the IEEE 802.11 Task Group M Technical Reflector ---
Hello Dave, The answer is not necessarily, since it depends on the setting of the SPP capable and SPP required bits in the RSN capabilities field. As I answered previously, SPP A-MSDU is optional
for S1G and all other STAs except DMG STAs. If an S1G STA implements A-MSDU then it acts the same as a VHT STA, for example. There is no difference in behavior for S1G STAs vs other non-DMG STAs in this area as far as I can see. OK, thanks. (I'm not sure why this is, since S1G long postdates the introduction of SPP, which was a last-minute hack because people wanted to rush out 11n D2.0…). So it sounds as if the proposed resolution in 22/0398r1 is correct for S1G STAs too, though the discussion sentence: Note that the “SPP A-MSDU Capable” bit is only for HT STA (non-DMG STA). DMG
STAs always use SPP A-MSDU. is confusing and should be something like: Note that the “SPP A-MSDU Capable” bit is only for non-DMG STAs (e.g. HT STAs and S1G STAs). DMG
STAs always use SPP A-MSDUs. Thanks, Mark --
Mark RISON, Standards Architect, WLAN English/Esperanto/Français Samsung Cambridge Solution Centre Tel: +44 1223 434600 Innovation Park, Cambridge CB4 0DS Fax: +44 1223 434601 ROYAUME UNI WWW:
http://www.samsung.com/uk From: David Goodall <dave@xxxxxxxxxxxxxx>
Hi Mark, On Wed, Mar 16, 2022 at 6:21 PM Mark Rison <m.rison@xxxxxxxxxxx> wrote:
The answer is not necessarily, since it depends on the setting of the SPP capable and SPP required bits in the RSN capabilities field. As I answered previously, SPP A-MSDU is optional
for S1G and all other STAs except DMG STAs. If an S1G STA implements A-MSDU then it acts the same as a VHT STA, for example. There is no difference in behavior for S1G STAs vs other non-DMG STAs in this area as far as I can see.
Yes, the behavior is the same as for any non-DMG STA.
The original 802.11ah-2016 text did specifically reference HT STAs but that seems to have been removed in the latest 802.11me draft. What part of the current 802.11me draft are you
referring to? - Dave
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