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.
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CID
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Commenter
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Clause Number(C)
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Page(C)
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Line(C)
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Comment
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Proposed Change
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2056
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Mark RISON
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3.2
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There are about a dozen "data stream"s, but this term is not defined
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Add a definition "data stream: A physical layer (PHY) service data unit (PSDU)."
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There are 16 occurrences of “data stream(s)” in REVmd D1.1.
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Location
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Youhan’s Feedback
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P198L61
P199L53
P3512L54
P3622L2
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“Data stream” is equivalent to PSDU here IMO
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P203L25
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“Data stream” means “spatial streams” here, not PSDU
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P520L57
P521L59
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I don’t know what the is exact definition of “data stream” here is (context = DELBA)
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P3097L37
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I don’t know what the is exact definition of “data stream” here is (context = WEP)
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P3583L14
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“Data stream” is not PSDU here. Rather, this is the LDPC encoder output.
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P3675L5
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“Data stream” is not PSDU here. Rather, this is the RS encoder output.
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P3711L20 (Figure 21-10)
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“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.
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P3551L58
P3711L16 (Figure 21-10)
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“Data stream” is not PSDU here. Rather, this corresponds to PSDU + PHY padding.
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P3792L59
P4485L43
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PPDU seems to be the more correct interpretation of “Data stream” here rather than PSDU.
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P3990L60
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This is S1G, and I don’t know whether “data stream” here is equivalent to PSDU.
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So, my suggested resolution to CID 2056 is:
REJECTED
Data stream does not always mean PSDU.
Thanks.
Youhan
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