PPDU to 00 (Normal Ack or Implicit BAR) when the QoS data frame requires to be acknowledged (i.e., the Ack Policy cannot be set to 11 (Block Ack))." Discussion: Agree. Proposed changes: Add the text for the Ack Policy of UL MU QoS data at the end of subclause 10.3.2.11.4 as follows: ACK Policy of the QoS data frame sent in an HE trigger-based PPDU shall not be set to Block “The Ack.” 733 44.23 10.3.2.11.4 The figure 10-ax8 seems to Delete figure 10-ax7 and use describe better the use of 10-ax8 to describe the HT duplicate PPDU than figure operation of non-HT duplicate 10-ax7. Clearly 10-ax8 has non BA use. Drax a new figure to duplicate BAs. 10-ax8 to better show the operation more clearly. Discussion:10-ax7 and 10-ax8 are different as indicated in the titles of the figures. Proposed changes: Reject. 1400 42.24 10.3.2.11.2 "Recovery within the TXOP that Delete the text. contains a VHT MU PPDU or an HE MU PPDU can be performed according to the rules of 10.22.2.7 (Multiple frame transmission in an EDCA TXOP). BlockAckRequest frames related to A-MPDUs within a VHT MU PPDU or an HE MU PPDU can be transmitted in a TXOP separate from the one that contained the VHT MU PPDU or the HE MU PPDU. NOTE∩Ç¡A BlockAck frame or an Ack frame is sent in immediate response to the BlockAckReq frame for or HT-delayed Block
PPDU to 00 (Normal Ack or Implicit BAR) when the QoS data frame requires to be acknowledged (i.e., the Ack Policy cannot be set to 11 (Block Ack))." Discussion: Agree. Proposed changes: Add the text for the Ack Policy of UL MU QoS data at the end of subclause 10.3.2.11.4 as follows: “The ACK Policy of the QoS data frame sent in an HE trigger-based PPDU shall not be set to Block Ack.” 733 44.23 10.3.2.11.4 The figure 10-ax8 seems to describe better the use of duplicate PPDU than figure 10-ax7. Clearly 10-ax8 has non HT duplicate BAs. Delete figure 10-ax7 and use 10-ax8 to describe the operation of non-HT duplicate BA use. Drax a new figure to 10-ax8 to better show the operation more clearly. Discussion:10-ax7 and 10-ax8 are different as indicated in the titles of the figures. Proposed changes: Reject. 1400 42.24 10.3.2.11.2 "Recovery within the TXOP that contains a VHT MU PPDU or an HE MU PPDU can be performed according to the rules of 10.22.2.7 (Multiple frame transmission in an EDCA TXOP). BlockAckRequest frames related to A-MPDUs within a VHT MU PPDU or an HE MU PPDU can be transmitted in a TXOP separate from the one that contained the VHT MU PPDU or the HE MU PPDU. NOTE∩Ç¡A BlockAck frame or an Ack frame is sent in immediate response to the BlockAckReq frame for or HT-delayed Block Delete the text.