FORMAT is HE_MU For each user, contains a vector in the number of all the N subcarriers within the RU which is assigned to this user. The vector for each subcarrier contains feedback matrics as defined in in 26.3.12.3.2 (Beamforming Feedback) based on the channel measured during the training symbols of previous HE NDP PPDUs or VHT NDP PPDUs. Otherwise See corresponding entry in Table 21-1 CHAN_MAT_TYPE FORMAT is and Set to COMPRESSED_SV N Y PSDU_LENGTH equals 0 FORMAT is HE_MU Not present N N or HE_EXT_SU or HE_TRIG or (FORMAT is HE_SU CHAN_MAT_TYPE and PSDU_LENGTH is greater than 0) Otherwise See corresponding entry in Table 21-1 CHAN_MAT FORMAT is HE_SU Contains a vector in the number of selected subcarriers N Y and PSDU_LENGTH containing feedback matrices as defined in 26.3.12.3.2 equals 0 (Beamforming Feedback) based on the channel measured during the training symbols of previous HE NDP PPDU. FORMAT is HE_MU Not present N N or HE_EXT_SU or HE_TRIG or (FORMAT is HE_SU CHAN_MAT and PSDU_LENGTH is greater than 0) Otherwise See corresponding entry in Table 21-1
FORMAT is HE_MU For each user, contains a vector in the number of all the subcarriers within the RU which is assigned to this user. The vector for each subcarrier contains feedback matrics as defined in in 26.3.12.3.2 (Beamforming Feedback) based on the channel measured during the training symbols of previous HE NDP PPDUs or VHT NDP PPDUs. N Otherwise See corresponding entry in Table 21-1 CHAN_MAT_TYPE CHAN_MAT_TYPE FORMAT is and PSDU_LENGTH equals 0 Set to COMPRESSED_SV N Y FORMAT is HE_MU or HE_EXT_SU or HE_TRIG or (FORMAT is HE_SU and PSDU_LENGTH is greater than 0) Not present N N Otherwise See corresponding entry in Table 21-1 CHAN_MAT CHAN_MAT FORMAT is HE_SU and PSDU_LENGTH equals 0 Contains a vector in the number of selected subcarriers containing feedback matrices as defined in 26.3.12.3.2 (Beamforming Feedback) based on the channel measured during the training symbols of previous HE NDP PPDU. N Y FORMAT is HE_MU or HE_EXT_SU or HE_TRIG or (FORMAT is HE_SU and PSDU_LENGTH is greater than 0) Not present N N Otherwise See corresponding entry in Table 21-1