PSR-based Spatial Reuse operation – MAC settings

An 802.11ax Station indicates support for PSR based spatial reuse transmission by setting the PSR based SR Support subfield to 1 in the HE PHY capabilities information element.

An 802.11ax Station indicates support for PSR based spatial reuse reception by setting the PSR responder subfield to 1 in the HE MAC capabilities Information field in the HE Capabilities Information element

The HE Capabilities Information element and snippets of the HE MAC Capabilities element subfield and HE PHY Capabilities element subfield are provided below which depicts the parameters to be set for PSR based transmission and reception.

FIG Courtesy: 802.11ax Standard
FIG Courtesy: 802.11ax Standard
HE PHY Capabilities snippet – Courtesy 802.11ax Standard

Target Wake Time in 802.11ax

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  1. Pingback: PSRR PPDU and PSR-based Spatial Reuse | Hitch Hiker's Guide to Learning

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