Re: [STDS-802-11-TGM] CID 2056

[M Montemurro <montemurro.michael@xxxxxxxxx>]

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

Hi Jon,

Could you add Youhan's comments in the adhoc notes. Given that this is ready for motion already, we can revisit at the beginning of the next call. 

Thanks,

Mike

On Mon, Mar 28, 2022 at 2:21 PM Jon Rosdahl <jrosdahl@xxxxxxxx> wrote:

Hi Mike,

I would ask that this CID 2056 be listed explicitly on a future agenda for revisit/decision.

Thanks,

Jon

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Jon Rosdahl                             Engineer, Senior Staff
IEEE 802 Executive Secretary   Qualcomm Technologies, Inc.
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On Mon, Mar 28, 2022 at 11:42 AM Youhan Kim <youhank@xxxxxxxxxxxxxxxx> wrote:

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

Hi, Mike, Mark Rison and all,

 

At the end of today’s TGme teleconference, I was asked whether I had any comments or objections on marking CID 2056 as ACCEPTED.  I didn’t have any comments at the time as I was not familiar with the CID and was not following the discussion on the call (sorry).

 

I have subsequently reviewed CID 2056, and do not feel ACCEPTED is the appropriate resolution.

 

CID	Commenter	Clause Number(C)	Page(C)	Line(C)	Comment	Proposed Change
2056	Mark RISON	3.2			There are about a dozen "data stream"s, but this term is not defined	Add a definition "data stream: A physical layer (PHY) service data unit (PSDU)."

 

There are 16 occurrences of “data stream(s)” in REVmd D1.1.

 

Location	Youhan’s Feedback
P198L61 P199L53 P3512L54 P3622L2	“Data stream” is equivalent to PSDU here IMO
P203L25	“Data stream” means “spatial streams” here, not PSDU
P520L57 P521L59	I don’t know what the is exact definition of “data stream” here is (context = DELBA)
P3097L37	I don’t know what the is exact definition of “data stream” here is (context = WEP)
P3583L14	“Data stream” is not PSDU here.  Rather, this is the LDPC encoder output.
P3675L5	“Data stream” is not PSDU here.  Rather, this is the RS encoder output.
P3711L20 (Figure 21-10)	“Data stream” is not PSDU here.  Rather, this is the BCC encoder input or output (not clear which one on a quick glance), where there are N_ES parallel BCC encoders. Also, prior to BCC encoder, PHY has added PHY padding on top of PSDU.
P3551L58 P3711L16 (Figure 21-10)	“Data stream” is not PSDU here.  Rather, this corresponds to PSDU + PHY padding.
P3792L59 P4485L43	PPDU seems to be the more correct interpretation of “Data stream” here rather than PSDU.
P3990L60	This is S1G, and I don’t know whether “data stream” here is equivalent to PSDU.

 

 

So, my suggested resolution to CID 2056 is:

REJECTED

Data stream does not always mean PSDU.

 

 

Thanks.
Youhan

 

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