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Hi Bin ,
Thanks for making those changes. On item 3.1 we also note the motion below
1.1 MU-MIMO802.11be agrees with the following MU-MIMO support: · DL MU-MIMO o Mandatory support for AP with >=4 antennas o Mandatory support for client o At least for full BW. RU/M-RU support TBD · UL MU-MIMO o Mandatory support for AP with >=4 antennas o Mandatory support for client o At least for full BW. RU/M-RU support TBD [Motion 124, #SP181, [1] and [2]]
Thanks, Ron
From: Bin Tian [mailto:btian@xxxxxxxxxxxxxxxx]
Thank Ron for the review and inputs. Please find my comments below. I have generated a new version (r4) and uploaded to the mentor. Alfred, Sigurd and Tianyu, can you put this PDT (20-1307/r4) in the agenda again for a quick review of changes and SP?
Thanks, Bin
From: Ron Porat <000009a0da80e877-dmarc-request@xxxxxxxxxxxxxxxxx>
Hi Bin,
Sorry for the late review but a few more comments on this doc (1307) for your consideration:
Bin> I add a sentence: The EHT PHY provides support of multiple Resource Units (MRU) assigned to a single STA.”
Bin> Update to “single RU or MRU”
Bin> The LTF+GI combinations were copied from 11ax. In 11ax these LTF+GI combinations are for SU PPDU while in 11be there is no SU PPDU. These texts are highlighted as TBD anyway. Let’s keep these text as they are for now and wait for the outcome of future LTF+GI discussion.
Bin> This may need some discussion since we may have a different understanding. Motion 124 #SP181 says full BW DL MU-MIMO Is mandatory. My understating of full bandwidth is the non-OFDMA. For example, for a 240Mhz (320MHz-80) BSS, don’t we want to support MU-MIMO?
Bin> Please see the comment above. This may need more discussion.
— Bin> Since EHT MU PPDU will be used for both DL and UL, EHT-SIG MCS support shall apply to all the STA, not just non-AP STA. I originally didn’t write the sentence because the EHT-SIG MCS support are still TBD. I have added the following sentence to the “an ETH STA shall support” section: — Reception of the EHT-SIG field in an EHT MU PPDU at TBD MCS
Bin> This is covered by the changes made for comment 5.
Bin> Done Thanks, Ron
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