BW Bandwidth of the If the Unsolicited MFB subfield is 1, the BW recommended subfield indicates the bandwidth for which the HE-MCS/ recommended HE-MCS is intended, as Bandwidth defined in 27.13. specified by MFB requester to get If the Unsolicited MFB subfield is 0 and the MRQ feedback subfiled is 1, the BW subfield indicates the bandwidth requested by the MFB requester to get feedback. For an HE STA: Set to 0 for 20 MHz Set to 1 for 40 MHz Set to for 80 MHz Set to 3 for 160 MHz or 80+80 MHz. Otherwise, this subfield is reserved. MSI/PPDU-Type Packet format of If the Unsolicited MFB subfield is 0 and the MRQ the measured subfield is 1, the MSI/PPDU-Type subfield contains PPDU/ MRQ a sequence number in the range 0 to 6 that identifies sequence the specific MCS feedback request. identifier If the Unsolicited MFB subfield is 0 and the MRQ subfield is 0, the MSI/PPDU-Type subfield contains a sequence number in the range 0 to 6 that reponds to the specific solicited MCS feedback request. If the Unsolicited MFB subfield is 1, the subfield contains the Packet Format and Coding subfields as shown in Figure XXX. The Packet Format subfield indicates the packet format of the PPDU from which the unsolicited MFB was estimated: Set to 0 for HE_SU Set to 1 for HE_MU Set to 2 for HE_EXT_SU Set to 3 for HE_TRIG The Coding Type subfield contains the Coding information (0 for BCC and 1 for LDPC) of the PPDU from which the unsolicited MFB was estimated. Tx BF Transmission If the Unsolicited MFB subfield is 1, Tx BF subfield type of the indicateds if the PPDU from which the unsolicited measured PPDU MFB was estimated is beamformed or not. Set to 0 for non-beamformed PPDU Set to 1 for beamformed PPDU Otherwise, this subfield is reserved. B0 B1 B2 Packet Coding Format Type 2 1
BW Bandwidth of the recommended HE-MCS/ Bandwidth specified by MFB requester to get feedback If the Unsolicited MFB subfield is 1, the BW subfield indicates the bandwidth for which the recommended HE-MCS is intended, as defined in 27.13. If the Unsolicited MFB subfield is 0 and the MRQ subfiled is 1, the BW subfield indicates the bandwidth requested by the MFB requester to get feedback. For an HE STA: Set to 0 for 20 MHz Set to 1 for 40 MHz Set to for 80 MHz Set to 3 for 160 MHz or 80+80 MHz. Otherwise, this subfield is reserved. MSI/PPDU-Type Packet format of the measured PPDU/ MRQ sequence identifier If the Unsolicited MFB subfield is 0 and the MRQ subfield is 1, the MSI/PPDU-Type subfield contains a sequence number in the range 0 to 6 that identifies the specific MCS feedback request. If the Unsolicited MFB subfield is 0 and the MRQ subfield is 0, the MSI/PPDU-Type subfield contains a sequence number in the range 0 to 6 that reponds to the specific solicited MCS feedback request. If the Unsolicited MFB subfield is 1, the subfield contains the Packet Format and Coding subfields as shown in Figure XXX. The Packet Format subfield indicates the packet format of the PPDU from which the unsolicited MFB was estimated: Set to 0 for HE_SU Set to 1 for HE_MU Set to 2 for HE_EXT_SU Set to 3 for HE_TRIG The Coding Type subfield contains the Coding information (0 for BCC and 1 for LDPC) of the PPDU from which the unsolicited MFB was estimated. Tx BF Transmission type of the measured PPDU If the Unsolicited MFB subfield is 1, Tx BF subfield indicateds if the PPDU from which the unsolicited MFB was estimated is beamformed or not. Set to 0 for non-beamformed PPDU Set to 1 for beamformed PPDU Otherwise, this subfield is reserved. B0 B1 B2 Packet Format Coding Type 2 1
11-17-1377-03-00ax-lb225-cr-27-13-link-adaptation-using-the-hla-control-field-text.docx