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Summary of Proposed Text for Radio Measurement Requests and Reports

Summary of Proposed Text for Radio Measurement Requests and Reports. Daryl Kaiser (Cisco Systems) 13 March 2003. Proposed text specifies changes to 2003 draft. Duplicates portions of TGh and TGe where needed Management frames with Action subtype

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Summary of Proposed Text for Radio Measurement Requests and Reports

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  1. Summary of Proposed Text for Radio Measurement Requests and Reports Daryl Kaiser (Cisco Systems) 13 March 2003 Daryl Kaiser, Cisco Systems

  2. Proposed text specifies changes to 2003 draft • Duplicates portions of TGh and TGe where needed • Management frames with Action subtype • Measurement Request and Report information elements • Introduces new Action category: Radio Measurement • Defines five radio measurements, allows more to be added • Beacon, Frame and Hidden Node are completely new • Channel Load is identical to CCA in Spectrum Management • Noise Histogram is a non-802.11-only version of RPI Histogram Daryl Kaiser, Cisco Systems

  3. Defines a different type of measurement: non-synchronized • Spectrum Management (TGh) uses time-synchronized measurements • Requests stations to start measuring at a specific time • Requires AP to suspend downlink traffic to off-channel stations • Radio Measurement (TGk) defines non-synchronized measurements • Facilitates broadcast measurements without traffic storms • Stations randomize the first requested element’s start time • Does not require AP to suspend downlink traffic • Stations may notify power-save when measuring off-channel Daryl Kaiser, Cisco Systems

  4. What changed from 03/207r1 to 03/207r2 draft text? • Text stating STA decides time separation between measured elements • Added Channel Band (2.4GHz/5GHz) to all requests and reports • Renamed CCA Report  Channel Load Report • Renamed RPI Histogram Report  Noise Histogram Report • Renumbered Measurement Types to avoid TGh assigned values • Changed RSP tolerances from 3 dB back to 5 dB • STA is not required to declare PS if it expects no incoming frames • Text and figure for rejected measurement shows optional response • Added Channel Number and Band to Hidden Node request for consistency Daryl Kaiser, Cisco Systems

  5. What was discussed, but not changed in 03/207r2? • Allow measuring STA to subdivide each requested duration (postpone) • Adding Number of Frames field to Beacon Report (is it necessary?) • Consolidating CCA and RPI Histogram reports (controversial) Daryl Kaiser, Cisco Systems

  6. What do we realize is still missing? • Interlayer primitives for RSP (absolute dBm measurement) • How to relate SME MIB objects to MLME measurement primitives Daryl Kaiser, Cisco Systems

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