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802.11 explained with real packet captures

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Series

The order below is the plan, not a promise. It starts with what is easiest to see in a capture and goes deeper. Reference: IEEE Std 802.11be-2024.

  1. How I read the standard and capture frames I can trust
  2. The EHT elements in a beacon (EHT Operation, EHT Capabilities)
  3. Multi-Link element, part 1: what an MLD is
  4. Multi-Link association, frame by frame
  5. Probe Request Multi-Link and discovery
  6. TID-to-Link mapping
  7. EMLSR and the EML Operating Mode Notification
  8. Multi-Link Traffic Indication and power save
  9. 4096-QAM, MCS 12 and 13 in radiotap
  10. Wider channels and preamble puncturing

Topics move around if a capture shows me something I did not expect.

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Every article has a short video that walks through the capture frame by frame.

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