Illustration of the adjustment rules for OBSS_PD and TX_PWR The is applicable to the start of a 20 MHz PPDU received on the primary 20 MHz channel. The OBSS_PDlevel MHz) which is applicable to the start of a 40 MHz PPDU received on the primary 40 MHz OBSS_PDlevel(40 channel, the MHz) which is applicable to the start of a 80 MHz PPDU received on the primary OBSS_PDlevel(80 80 MHz channel and the MHz or 80+80 MHz) which is applicable to the start of a 160 MHz or OBSS_PDlevel(160 80+80 MHz PPDU, can be derived by the following equations: MHz)= + dB OBSS_PDlevel(40 OBSS_PDlevel MHz)= + dB OBSS_PDlevel(80 OBSS_PDlevel MHz or 80+80 MHz) = + dB OBSS_PDlevel(160 OBSS_PDlevel = 21 dBm for non-AP STAs. TXPWRref = 21 dBm for an AP with the Highest NSS Supported M1 subfield in the Tx Rx HE MCS Support of TXPWRref its HE Capabilities element field equal to or less than 1. = 25 dBm for an AP with the Highest NSS Supported M1 subfield in the Tx Rx HE MCS Support field TXPWRref of its HE Capabilities element field equal to or greater than 2. is the STA transmission power in dBm at the antenna connector. TXPWR NOTE—considering the antenna connector definition section 3.1.
Illustration of the adjustment rules for OBSS_PD and TX_PWR The OBSS_PDlevel is applicable to the start of a 20 MHz PPDU received on the primary 20 MHz channel. The OBSS_PDlevel(40 MHz) which is applicable to the start of a 40 MHz PPDU received on the primary 40 MHz channel, the OBSS_PDlevel(80 MHz) which is applicable to the start of a 80 MHz PPDU received on the primary 80 MHz channel and the OBSS_PDlevel(160 MHz or 80+80 MHz) which is applicable to the start of a 160 MHz or 80+80 MHz PPDU, can be derived by the following equations: OBSS_PDlevel(40 MHz)= OBSS_PDlevel + dB OBSS_PDlevel(80 MHz)= OBSS_PDlevel + dB OBSS_PDlevel(160 MHz or 80+80 MHz) = OBSS_PDlevel + dB TXPWRref = 21 dBm for non-AP STAs. TXPWRref = 21 dBm for an AP with the Highest NSS Supported M1 subfield in the Tx Rx HE MCS Support of its HE Capabilities element field equal to or less than 1. TXPWRref = 25 dBm for an AP with the Highest NSS Supported M1 subfield in the Tx Rx HE MCS Support field of its HE Capabilities element field equal to or greater than 2. TXPWR is the STA transmission power in dBm at the antenna connector. NOTE—considering the antenna connector definition section 3.1.
11-17-0267-03-00ax-cr-for-25-9-2-2-obss-pd-spatial-reuse.docx