6352 235.19 22.3.8.2.6 As stated in P238L1, Delete the caption of transmission signal of "80+80 MHz" from for 80+80 MHz Figure 22-20. PPDU is defied as two 80 MHz VHT formats; Change the caption of therefore, the definition of "80 MHz" to "80 MHz / VHT-SIG-B bits in 80+80 each segment of See 12/1087r1. MHz transmission is not 80+80 MHz." needed in Figure 22-20. Delete "and 80+80 MHz" in P235L2. Change "For an 80 MHz transmission" in P235L1 to "For 80 MHz transmission and each segment of 80+80 MHz transmission" <Discussion> TGac editor: 6477 234.00 22.3.8.2.6 Since the maximum useful In the penultimate REJECT pre-EOF pad PSDU size is column of Table 2**20-1 octets, you can't change the Length The commenters need more than 19 bits to field to read "B0-B18 suggested reduce represent this. (19)" and the the bit size of Reserved field to read VHT-SIG-B length The rejection to CID 4703 "B19-B22 (4)" representation for refers to 11/609r5 as the SU 80/80+80/160. justification for the extra But, when a similar two bits. However, the only comment was justification given there is submitted in D0.1 "Bigger PHY layer maximal & D2.0 comments PSDU length makes future resolution stage, extention easier." This is TGac has already not a valid justification as agreed that the (a) there is no problem current text is still extending the field in the valid even if it future if there are reserved might be excessive bits after it and (b) none of a little for a case, the other lengths have because bigger "future extension" padding PHY layer maximal PSDU length makes future extention easier.
6352 235.19 22.3.8.2.6 As stated in P238L1, transmission signal of for 80+80 MHz PPDU is defied as two 80 MHz VHT formats; therefore, the definition of VHT-SIG-B bits in 80+80 MHz transmission is not needed in Figure 22-20. Delete the caption of "80+80 MHz" from Figure 22-20. Change the caption of "80 MHz" to "80 MHz / each segment of 80+80 MHz." Delete "and 80+80 MHz" in P235L2. Change "For an 80 MHz transmission" in P235L1 to "For 80 MHz transmission and each segment of 80+80 MHz transmission" See 12/1087r1. <Discussion> TGac editor: 6477 234.00 22.3.8.2.6 Since the maximum useful pre-EOF pad PSDU size is 2**20-1 octets, you can't need more than 19 bits to represent this. The rejection to CID 4703 refers to 11/609r5 as the justification for the extra two bits. However, the only justification given there is "Bigger PHY layer maximal PSDU length makes future extention easier." This is not a valid justification as (a) there is no problem extending the field in the future if there are reserved bits after it and (b) none of the other lengths have "future extension" padding In the penultimate column of Table change the Length field to read "B0-B18 (19)" and the Reserved field to read "B19-B22 (4)" REJECT The commenters suggested reduce the bit size of VHT-SIG-B length representation for SU 80/80+80/160. But, when a similar comment was submitted in D0.1 & D2.0 comments resolution stage, TGac has already agreed that the current text is still valid even if it might be excessive a little for a case, because bigger PHY layer maximal PSDU length makes future extention easier.
11-12-1087-01-00ac-lb188-comment-resolution-on-clause-22-3-8.docx