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This amendment provides backward compatibility and coexistence with legacy IEEE 802.11 devices operating in the same band. This amendment defines modifications to the PHY service interface of the High Throughput (HT), Very High Throughput (VHT), High Efficiency (HE) and Extremely High Throughput (EHT) PHYs.

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This amendment enables: u2022 Stations to perform one or more of the following: to inform other stations of their WLAN sensing capabilities, to request and setup transmissions that allow for WLAN sensing measurements to be performed, to indicate that a transmission can be used for WLAN sensing, and to exchange WLAN sensing feedback and information, u2022 WLAN sensing measurements to be obtained using transmissions that are requested, unsolicited, or both, and u2022 A MAC service interface for layers above the MAC to request and retrieve WLAN sensing measurements. This amendment defines modifications to the IEEE 802.11 medium access control layer (MAC) and to the Directional Multi Gigabit (DMG) and enhanced DMG (EDMG) PHYs to enhance Wireless Local Area Network (WLAN) sensing (SENS) operation in license-exempt frequency bands between 1 GHz and 7.125 GHz and above 45 GHz. P802.11bf Standard for Information Technology - Telecommunications and Information Exchange Between Systems Local and Metropolitan Area Networks - Specific Requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications Amendment: Enhancements for Wireless Local Area Network (WLAN) Sensing This amendment specifies a new PHY layer and modifications to the IEEE 802.11 MAC that enable operation of wireless light communications (LC).nnThis amendment specifies a PHY that provides:n1) Uplink and downlink operations in 800 nm to 1,000 nm band,n2) All modes of operation achieve minimum single-link throughput of 10 Mb/s as measured at the MAC data service access point (SAP),n3) Interoperability among solid state light sources with different modulation bandwidths.nnThis amendment specifies changes to the IEEE 802.11 MAC that are limited to the following:n1) Hybrid coordination function (HCF) channel access,n2) Overlapping basic service set (OBSS) detection and coexistence,n3) Existing power management modes of operation (excluding new modes), and modifications to other clauses necessary to support these changes.

P802.11bb Standard for Information Technology-Telecommunications and Information Exchange Between Systems Local and Metropolitan Area Networks-Specific Requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications nAmendment: Light Communications

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