RU Allocation

MAC 8 bits Trigger frame unverified

Which resource unit — which block of subcarriers — this station must transmit on.

Reading a capture

The field that makes this frame what it is. Two stations with different values here transmit simultaneously without colliding, because they are not using the same frequencies. Nothing before 802.11ax could express that.

Where it sits

Trigger MPDU > User Info > RU Allocation

Accuracy

Clause
802.11-2024 §9.3.1.22.2
Verified
Not verified against the standard. Treat this as a claim, not a fact.