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Max asked that we continue discussion on the reflector. I have many questions – first, thank you Conrad for answering that the material on slides 3-6 about data link layers, branching, and the “ASA” communications stack were background, and not part of a proposal. One of my main questions is “just WHICH parts of the ASA spec are being proposed” – please be specific, as there are many things that I believe are out of scope of 802.3dm and even the 802.3 working group (such as the material in slides
3-6).
Another main question is: In your conclusion to focus on 2.5G and 5G data rates, are you proposing to change our objectives? Are you proposing to ignore one of them? A third request is that technical analysis for the choices being proposed be provided, rather than continuous statements that this has been “in development since 2019”. Material submitted to the ASA group is not publically available for
consideration by members of the task force. Of particular interest are the interference models and immunity. I would question the statements about interference immunity when combined with previous statements that the TDD architecture allows for CTLE receivers.
CTLE receivers are known to be substantially less immune to narrowband EMC than DFE-based receivers, which are capable of notching narrowband interference. Any analysis also needs to include the proposed preferred architecture being discussed. George Zimmerman, Ph.D. President & Principal CME Consulting, Inc. Experts in Advanced PHYsical Communications 310-920-3860 To unsubscribe from the STDS-802-3-ISAAC list, click the following link: https://listserv.ieee.org/cgi-bin/wa?SUBED1=STDS-802-3-ISAAC&A=1 |