Re: [STDS-802-11-TGM] CID 2315 re-consideration

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On Mon, 14 Mar 2022 at 21:10, <mark.hamilton2152@xxxxxxxxx> wrote:

Stephen,

I think it is a tautology that the ESS covers the area that is the union of the BSAs. I would not want to say that (again), and confuse anybody that it wasn’t already the case.

I believe Mark R is trying to get to the idea there are no physical area gaps between the BSAs. 1) I’m not sure how to say that (other than some term like convex hull – although I’ve never heard convex hull applied to shapes, only to points); and 2) I’m not convinced that we have a consensus understanding that the ESA was meant to imply such “non-disconnected” coverage area.

I’m inclined to stick with just deleting this concept. I know Mark R disagrees.

Mark

From: Stephen McCann <mccann.stephen@xxxxxxxxx>
Sent: Monday, March 14, 2022 3:05 PM
To: STDS-802-11-TGM@xxxxxxxxxxxxxxxxx
Subject: [STDS-802-11-TGM] CID 2315 re-consideration - was [Pull requests for today's motions]

--- This message came from the IEEE 802.11 Task Group M Technical Reflector ---
Mark,
thanks for your work on this CID 2315:

CID 2315 in MAC-AL: I don't think this is correct. I think the point of "ESA" (albeit perhaps not clear) is that if you have Planned ESS set then you know there are no "dead spots" within the area covered by the ESS (i.e. topologically there are no holes). Maybe the wording should be closer to "This subfield is set to 1 to indicate that the ESS is deployed to ensure that there is coverage over the entire area bounded by the convex hull of the BSAs of the BSSes in the ESS"

I think your revised wording is ok, but I would prefer not to introduce "convex hull" as a new topological term into the specification. I think alternative wording could be "This subfield is set to 1 to indicate that the ESS is deployed to ensure that there is coverage over the entire area bounded by the BSAs of the BSSes in the ESS".

Do you have any further comments? Thanks

Kind regards

Stephen
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Re: [STDS-802-11-TGM] CID 2315 re-consideration - was [Pull requests for today's motions]