8168 Ming Gan "implicititly" and delete Rejected- "explicitly" seem "implicititly" redudant. Non-AP and It is necessary to differentiate STA always carries "explicitly" these two usage cases of available channle BQR. bitmap in the Control field in these TGax editor makes no two modes changes on CID 8168. 8217 Osama what does "efficient delete the Rejected- Aboulmagd way" mean? How the fisrt sentence word "efficient" is or qualify the BQR provides AP the per defined? word 20MHz channel availability "efficient" information so that AP doesn’t make blind scheduling decision to send DL MU PPDU to STAs that doesn’t have corresponding channels availale. Deleting the sentence will only blur people’s understanding of the mechanism. TGax editor makes no change on CID 8217. 8255 Pascal Buffer Query Report The MU-RTS Rejected- VIGER following MU-RTS variant may procedure may be be enhanced MU-RTS/CTS frame inefficient. to support exchange needs to be in As MU-RTS scheme emission of legacy format for legacy relies on 802.11ac CTS frames protection. It is almost not (contiguous band) a impossible to amend on and BQR supports punctured legacy CTS frame for per punctured band bandwidth. 20MHz channel availability among a whole A HE STA information. similar BW, there is already has chance that HE STAs the possibility TGax editor makes no indicate in their BQR to sense changers on CID 8255. some 20 MHz various channels that are not 20MHz protected by channels, The usage determine of not protected those free, channels may be and emit on a problematic for specific legacy devices. (according BQR capability). During its scheme, the HE AP may inform HE STAs which are (through a single bit in
8168 Ming Gan "implicititly" and "explicitly" seem redudant. Non-AP STA always carries available channle bitmap in the field in these two modes delete "implicititly" and "explicitly" Rejected- It is necessary to differentiate these two usage cases of BQR. TGax editor makes no changes on CID 8168. 8217 Osama Aboulmagd what does "efficient way" mean? How the word "efficient" is defined? delete the fisrt sentence or qualify the word "efficient" Rejected- BQR provides AP the per 20MHz channel availability information so that AP doesn’t make blind scheduling decision to send DL MU PPDU to STAs that doesn’t have corresponding channels availale. Deleting the sentence will only blur people’s understanding of the mechanism. TGax editor makes no change on CID 8217. 8255 Pascal VIGER Buffer Query Report following MU-RTS procedure may be inefficient. As MU-RTS scheme relies on 802.11ac (contiguous band) and BQR supports punctured band among a whole similar BW, there is chance that HE STAs indicate in their BQR some 20 MHz channels that are not protected by The usage of not protected channels may be problematic for legacy devices. The MU-RTS variant may be enhanced to support emission of CTS frames a punctured bandwidth. A HE STA already has the possibility to sense various 20MHz channels, determine those free, and emit on a specific (according BQR capability). During its scheme, the HE AP may inform HE STAs which are (through a single bit in Rejected- MU-RTS/CTS frame exchange needs to be in legacy format for legacy protection. It is almost not impossible to amend on legacy CTS frame for per 20MHz channel availability information. TGax editor makes no changers on CID 8255. Control
11-17-1286-00-00ax-cr-dl-mu-procedure.docx