Yusuke In Figure 27-10, S2 max TXPWR Change "S2 max TXPWR is equal Revised agree – Tanaka should be equal or lower than the to max" to "S2 max TXPWR is with the comment. minimum TXPWERmax among all equal to min" in Figure 27-10 Apply the changes TXPWRmax from ongoing proposed in doc OBSS_PD SR transmit power 1852r1. restriction periods. Yusuke The specification needs to define a Define a threshold at which a Rejected a – Tanaka way for a STA to detect other STA's PHY will issue receiver will PPDUs under receiving ongoing with a value already do this – PPDU after PHYCCARESET.request equal to BUSY upon detection of any signal that is issued before the end of the energy above the threshold arrives with a high inter-BSS PPDU during the inter-BSS PPDU. The enough power threshold shall be relative to the above the existing reception power of the ongoing PPDU PPDU. If the threshold is should cause a same as OBSS_PD, SINR could detection and be low not to detect a decode event no – preamble. explicit statement in the specification is needed. The performance of each receiver might differ, but in general, detection can occur.
Yusuke Tanaka In Figure 27-10, S2 max TXPWR should be equal or lower than the minimum TXPWERmax among all TXPWRmax from ongoing OBSS_PD SR transmit power restriction periods. Change "S2 max TXPWR is equal to max" to "S2 max TXPWR is equal to min" in Figure 27-10 Revised – agree with the comment. Apply the changes proposed in doc 1852r1. Yusuke Tanaka The specification needs to define a way for a STA to detect other PPDUs under receiving ongoing PPDU after PHYCCARESET.request is issued before the end of the inter-BSS PPDU Define a threshold at which a STA's PHY will issue with a value equal to BUSY upon detection of energy above the threshold during the inter-BSS PPDU. The threshold shall be relative to the reception power of the PPDU. If the threshold is same as OBSS_PD, SINR could be low not to detect a preamble. Rejected – a receiver will already do this – any signal that arrives with a high enough power above the existing ongoing PPDU should cause a detection and decode event – no explicit statement in the specification is needed. The performance of each receiver might differ, but in general, detection can occur.
11-17-1852-01-00ax-cr-for-27-9.docx