Re: [STDS-802-11-TGM] REVmc duplicate cache logic

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--- This message came from the IEEE 802.11 Task Group M Technical Reflector ---

OK, I finally got round to understanding the DMG global data issue. The fix is pretty simple.

I also have simplified the transmit table by removing two rows, and collapsing stuff.

The point is we had, effectively,

Under conditions A do X

under conditions B do X

under conditions C do X

Where A, B and C were mutually exclusive.

I believe they can be collapsed, with consequent simplification.

The thing that led me to this was to consider the meaning of

“QoS STA acting as a non-QoS STA”, and “QoS STA acting as a QoS STA”.

The “acting as” is surely going to open a whole can of worms.

Is a QoS STA associated with a non-QoS BSS still a QoS STA? Does it perform EDCA when the rest of the BSS do DCF?

If said QoS STA creates a tunnelled DLS link to another QoS STA on the same channel, does it do EDCA when talking to its peer and DCF when talking to the AP?

While these are interesting questions, I think they are moot given the changes I propose.

Best Regards,

Adrian P STEPHENS

Tel: +44 (1793) 404825 (office)
Tel: +44 (7920) 084 900 (mobile, UK)

Tel: +1 (408) 2397485 (mobile, USA)

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From: Stephens, Adrian P
Sent: 29 November 2013 14:16
To: Mark Hamilton (mark.hamilton@xxxxxxxxxxxxxxx); 'Michael Montemurro'; Matthew Fischer
Cc: STDS-802-11-TGM@xxxxxxxxxxxxxxxxx
Subject: REVmc duplicate cache logic

Dear 3M,

MarkH gave me some homework to add LB199 comment 2023 (ATIM exclusion from cache) to my doc 875.

I’ve provided a resolution, and agree with the commenter that there is an issue.

(The issue is that ATIMs get cached under certain circumstances).

This has resulted in changes to some of the receiver requirements (RR*) in

https://mentor.ieee.org/802.11/dcn/13/11-13-0875-05-000m-cid-1050-duplicate-cache.doc

Could you please let me have feedback on this?

(And anybody else who cares to is welcome to review, I’d really like to get this approved in Jan).

Best Regards,

Tel: +44 (1793) 404825 (office)
Tel: +44 (7920) 084 900 (mobile, UK)

Tel: +1 (408) 2397485 (mobile, USA)

----------------------------------------------
Intel Corporation (UK) Limited
Registered No. 1134945 (England)
Registered Office: Pipers Way, Swindon SN3 1RJ
VAT No: 860 2173 47

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