IEEE P802.11 Wireless LANs MRQ in NDPA 2011-05-04 Date: Author(s): Name Affiliation Address Phone Email Simone Qualcomm 8588451243 Merlin Inc Straatweg 66-S, 3621 BR Breukelen, Menzo Qualcomm The Netherlands Wentink Inc Allert van Qualcomm Straatweg 66-S, 3621 BR Breukelen, The +31 346 259663 Zelst Netherlands Abstract This document provides resolution for the comments listed below Comments are from: 11-11-0276-00-00ac-tgac-d0-1-comments.xls Comments refer to: Draft P802.11ac_D0.1.pdf Editing instructions refer to: Draft P802.11ac_D0.4.pdf Comments 1072 9.18.3 56 28 TR MFB is not done change to make STA feedback MFB only if Daewon. MU in case there is BF feedback if configured for that particular [Ed: mixture of STA if MRQ is enabled in NDPA. For STAs removed BF feedback and configured with MU-BF feedback should from MU-BF disregard the MRQ when MRQ is enabled in 11/304r1] feedback. This NDPA. unnecessarily Suggested text : creates artificial "The MFB responder shall include the restriction corresponding MFB feedback in the VHT where if the AP Compressed Beamforming frame that is the wants MFB as response of the same NDP-A and NDP well as CB sequence, if the MFB requester sends MRQ in feedback then it an VHT NDP announcement frame where the must only assign Feedback Type subfield in the STA Info field for SU-BF feedback the MFB spresonder is set to 1 (meaning in the NDPA. requesting SU-BF Feedbacks). Remove such restriction. The MFB responder shall indicate MFB=127 in
IEEE P802.11 Wireless LANs MRQ in NDPA Date: 2011-05-04 Author(s): Name Affiliation Address Phone Email Simone Merlin Qualcomm Inc 8588451243 Menzo Wentink Qualcomm Inc Straatweg 66-S, 3621 BR Breukelen, The Netherlands Allert van Zelst Qualcomm Straatweg 66-S, 3621 BR Breukelen, The Netherlands +31 346 259663 Abstract This document provides resolution for the comments listed below Comments are from: 11-11-0276-00-00ac-tgac-d0-1-comments.xls Comments refer to: Draft P802.11ac_D0.1.pdf Editing instructions refer to: Draft P802.11ac_D0.4.pdf Comments 1072 9.18.3 56 28 TR MFB is not done in case there is mixture of feedback and MU-BF feedback. This unnecessarily creates artificial restriction where if the AP wants MFB as well as CB feedback then it must only assign SU-BF feedback in the NDPA. Remove such restriction. change to make STA feedback MFB only if feedback if configured for that particular STA if MRQ is enabled in NDPA. For STAs configured with MU-BF feedback should disregard the MRQ when MRQ is enabled in NDPA. Suggested text : "The MFB responder shall include the corresponding MFB feedback in the VHT Compressed Beamforming frame that is the response of the same NDP-A and NDP sequence, if the MFB requester sends MRQ in an VHT NDP announcement frame where the Feedback Type subfield in the STA Info field for the MFB spresonder is set to 1 (meaning requesting SU-BF Feedbacks). The MFB responder shall indicate MFB=127 in Daewon. [Ed: removed from 11/304r1] MU BF BF
11-11-0624-02-00ac-mrq-in-ndpa.docx