Instead the receiver as an invalid 802.11 uses the L-SIG length to signal and switch to determin the RXTIME, weaker energy from which the symbol detect for CCA as was count is determined. done with previous amendments (e.g. invalid Rate in 802.11a). With the cited sentence, a future amendment may use non-modulo 3 Length values and 802.11ac devices will still defer based on Length. The receiver does not need “out-of-band communication of TXTIME”, as it does not need to calculate TXTIME. It merely extracts Length from L-SIG. 4112 Adrian 263.56 22.3.21 "If the received Group ID Add to the J Rejected. in VHT-SIG-A has a value indicating (22.26) a parameter The PHY has the an SU PPDU (see 9.17a SU_GROUP_ID", with Group ID information (Group ID and Partial description: "The from VHT-SIG-A. AID in VHT PPDUs)), SU_GROUP_ID Layering is not the PHY entity may parameter specifies a choose value that is used by broken by referring a not to decode the receiver to person reading a PHY determine that a VHT clause to a definition PPDU is an SU PPDU, in a MAC clause. This breaks layering. and that the PPDU is to The PHY should not be received." and need to understand any modify this description meaning defined in the to refer to it: "If the MAC, unless the MAC received Group ID in tells it. If there was a VHT-SIG-A has a value single fixed "SU" value, indicating an SU PPDU then it should be defined (i.e., matching the in the PHY - but that is SU_GROUP_ID of the not the case. the PHY entity may choose not to decode VHT-SIG-B." 4113 Adrian 264.07 22.3.21 There's no notion in the Add a statement along J Revised. Make 22.3.21 description of these lines: (264.06 changes as in what to do when we may be a suitable <this-doc> under don't care about the location) CID 4113 and Figure received PPDU. "The PLCP determines
Instead the receiver uses the L-SIG length to determin the RXTIME, from which the symbol count is determined. as an invalid 802.11 signal and switch to weaker energy detect for CCA as was done with previous amendments (e.g. invalid Rate in 802.11a). With the cited sentence, a future amendment may use non-modulo 3 Length values and 802.11ac devices will still defer based on Length. The receiver does not need “out-of-band communication of TXTIME”, as it does not need to calculate TXTIME. It merely extracts Length from L-SIG. 4112 Adrian 263.56 22.3.21 "If the received Group ID in VHT-SIG-A has a value indicating an SU PPDU (see 9.17a (Group ID and Partial AID in VHT PPDUs)), the PHY entity may choose not to decode This breaks layering. The PHY should not need to understand any meaning defined in the MAC, unless the MAC tells it. If there was a single fixed "SU" value, then it should be defined in the PHY - but that is not the case. Add to the (22.26) a parameter SU_GROUP_ID", with description: "The SU_GROUP_ID parameter specifies a value that is used by the receiver to determine that a VHT PPDU is an SU PPDU, and that the PPDU is to be received." and modify this description to refer to it: "If the received Group ID in VHT-SIG-A has a value indicating an SU PPDU (i.e., matching the SU_GROUP_ID of the the PHY entity may choose not to decode VHT-SIG-B." J Rejected. The PHY has the Group ID information from VHT-SIG-A. Layering is not broken by referring a person reading a PHY clause to a definition in a MAC clause. 4113 Adrian 264.07 22.3.21 There's no notion in the 22.3.21 description of what to do when we don't care about the received PPDU. Add a statement along these lines: (264.06 may be a suitable location) "The PLCP determines J Revised. Make changes as in <this-doc> under CID 4113 and Figure
11-12-0503-00-00ac-lb187-clause-22-3-21-pmd-comment-resolutions.docx