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Considerations for Comments R esolution against D0

This document discusses various technical comments against D0 and proposes resolutions for these comments. It addresses issues related to dimming, RPO-OFDM, visibility pattern dimming, color function, text for Pulsed PHY, and optical clock rate definition.

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Considerations for Comments R esolution against D0

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  1. Considerations for Comments Resolution against D0 Date: 2017-09-10 Authors:

  2. Abstract • 170 technical comments against D0 were received • Several principle issues may be discussed first before resolving comments one-by-one John Li (Huawei)

  3. Should Dimming be the Normative Part of the Specification? Question1: is the claim "The receiver is not required to know what dimming level is used while communication is ongoing." true for VPPM? Question2: should RPO-OFDM be supported? Question3: Should the visibility pattern dimming specified in 8.5.1.2 be supported? John Li (Huawei)

  4. Should Color Function be Brought Back? Color function was part of 15.7-2011 It was agreed in May by comment 85 of https://mentor.ieee.org/802.15/dcn/17/15-17-0297-02-0013-comment-against-7m-d1.xlsx to move relevant part of color function support to the Annex H. Several comments for September meeting suggest to re-open the discussion. Should color function be brought back? John Li (Huawei)

  5. Should the Text for Pulsed PHY be Accepted? Text for Pulsed PHY were generated in 454/r3 during and after Berlin Ad-Hoc meeting. Question 1: is the proposal to delete current PHY II, and replace with the proposed text? Question 2: no text for VPPM can be found in the proposed text, will the specification support VPPM? Question 3: should we review it step by step? The structure, line code, modulation, etc… John Li (Huawei)

  6. Optical Clock Rate T =1/clock_rate Definition of optical clock rate for OOK How to define optical clock rate for OFDM PHYs? Which optical clock rate are supported for Pulsed PHY? John Li (Huawei)

  7. How to define optical clock rate for OFDM PHYs? • Proposal: the sample rate for IFFT operation is defined as optical clock rate. • Example: • symbol duration (w/o CP) = 5.12 us • IFFT size 128 • Sample interval = • Optical clock rate = • The definition of optical clock rate should exclude any oversampling. John Li (Huawei)

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