4 µs = 5 × 0.8 µs HE-STF field duration for an HE SU PPDU, THE-STF-NT HE extended range SU PPDU and HE MU PPDU 3.2 µs Duration of each 1x HE-LTF OFDM symbol THE-LTF-1X without GI 6.4 µs Duration of each 2x HE-LTF OFDM symbol THE-LTF-2X without GI 12.8 µs Duration of each 4x HE-LTF OFDM symbol THE-LTF-4X without GI or Duration of each OFDM symbol without GI THE-LTF THE-LTF-1X, THE-LTF-2X THE-LTF-4X depending upon the duration used in the HE-LTF field (#279) sum of and Duration of each OFDM symbol including THE-LTF-SYM THE-LTF TGI,HE-LTF GI in the HE-LTF field 4 µs = + Duration of each OFDM symbol in the THE-SIG-B TDFT,Pre-HE TGI, field(#Ed) 16 Number of bits in the SERVICE field Nservice 6 Number of tail bits per BCC encoder Ntail 4 µs Symbol duration including GI prior to the TSYML HE-STF field 0, 4 µs, 8 µs, 12 µs or 16 µs depending on the Duration of the Packet Extension field(#279) TPE actual extension duration used To TGax Editor: Update the Table 26-13 as follows in D0.4, P152L48 Section 26.3.9 Tone scaling factor and guard interval duration values for HE PPDU fields as a function of bandwidth, and RU size per frequency segment interval Field duration 160 20 MHz 40 MHz 80 MHz MHz L-STF 12 24 48 96 - L-LTF 52 104 208 416 TGI L-SIG in an HE PPDU 56 112 224 448
THE-STF-NT 4 µs = 5 × 0.8 µs HE-STF field duration for an HE SU PPDU, HE extended range SU PPDU and HE MU PPDU THE-LTF-1X 3.2 µs Duration of each 1x HE-LTF OFDM symbol without GI THE-LTF-2X 6.4 µs Duration of each 2x HE-LTF OFDM symbol without GI THE-LTF-4X 12.8 µs Duration of each 4x HE-LTF OFDM symbol without GI THE-LTF THE-LTF-1X, THE-LTF-2X or THE-LTF-4X depending upon the duration used Duration of each OFDM symbol without GI in the HE-LTF field (#279) THE-LTF-SYM sum of THE-LTF and TGI,HE-LTF Duration of each OFDM symbol including GI in the HE-LTF field THE-SIG-B 4 µs = TDFT,Pre-HE + TGI, Duration of each OFDM symbol in the field(#Ed) Nservice 16 Number of bits in the SERVICE field Ntail 6 Number of tail bits per BCC encoder TSYML 4 µs Symbol duration including GI prior to the HE-STF field TPE 0, 4 µs, 8 µs, 12 µs or 16 µs depending on the actual extension duration used Duration of the Packet Extension field(#279) To TGax Editor: Update the Table 26-13 as follows in D0.4, P152L48 Section 26.3.9 Tone scaling factor and guard interval duration values for HE PPDU fields Field as a function of bandwidth, and RU size per frequency segment interval duration 20 MHz 40 MHz 80 MHz 160 MHz L-STF 12 24 48 96 - L-LTF 52 104 208 416 TGI L-SIG in an HE PPDU 56 112 224 448