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[STDS-802-11-TGBN] P-EDCA 97us problem

Greetings everyone,

 

This is to start discussion thread on P-EDCA 97us. I encourage everyone interested in P-EDCA topic to use this thread to provide comments and share opinion on a problem.

 

Quick summary:

Four options presented, option 4 is proposed as a solution. The document 0210 describe pros/cons of options 1-3.

 

  1. Limit P-EDCA operations to UHR STAs. UHR STAs may ignore NAV set from DS-CTS and respond to an RTS received when NAV is set from DS-CTS frame
  2. Shorten protected duration to 72us
  3. Make RTS rate dependent on selected slot number, i.e. if STA chose backoff slot =0, RTS rate shall be MCS0 and so on, If BK=1-> rate can be MCS0 or MCS1
  4. Shorten duration to 77us for 5/6Ghz and 71us for 2.4Ghz and make adjustment to SIFS transmission time

 

Contribution 0210r2:

https://mentor.ieee.org/802.11/dcn/26/11-26-0210-02-00bn-lb291-cr-p-edca-part4.docx

 

 

Again, comments/suggestions are highly appreciated

 

Dmitry

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