IEEE 802.11-25/0458r3 Comments and Responses on P802.11br PAR
"Explore comments and responses from various working groups on the proposed IEEE 802.11br PAR and CSD focusing on Enhanced Light Communications. Review suggested modifications and resolutions for IEEE standards compliance and alignment with stakeholder perspectives."
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March 2025 doc.: IEEE 802.11-25/0458r3 Comments and Responses on P802.11br PAR and CSD Date: 2025-03-10 Authors: Name Volker Jungnickel Affiliations Fraunhofer HHI Address Phone email volker.jungnickel@hhi.fraunhofer.de Submission Slide 1 Volker Jungnickel, Fraunhofer HHI
March 2025 doc.: IEEE 802.11-25/0458r3 Abstract This presentation includes all comments obtained from 802 working groups regarding the P802.11br (Enhanced Light Communications, ELC) PAR and CSD and the proposed resolutions. Submission Slide 2 Volker Jungnickel, Fraunhofer HHI
March 2025 doc.: IEEE 802.11-25/0458r3 Comments from RevCom members on P802.11br PAR Please spell out the full titles of IEEE Std 802.11bb-2023 in Section 8.1. Accepted. Replace LC by IEEE Std 802.11bb-2023 in 8.1 5.5 Spell out "LC". Replaced LC with IEEE Std 802.11bb-2023 IEEE Standards follow the Chicago manual of Style. According to this manual, dashes are set without preceding or following spaces. Please consider removing the related white-spaces in 2.1. Accepted comments to RevCom will be submitted to address the formatting. Submission Slide 3 Volker Jungnickel, Fraunhofer HHI
March 2025 doc.: IEEE 802.11-25/0458r3 Comments from 802.3 members on P802.11br PAR Section 5.2.b: the modification list does not include the MAC modification, which led us to believe that the MAC was not changed in the project. The text could be changed to include the MAC. Suggest to change the introduction paragraph in 5.2.b to: This amendment provides enhanced light communications (ELC) for Wireless LAN operation. This amendment modifies the IEEE 802.11 MAC to support the ELC PHY and multi-link operation. The amendment introduces an ELC PHY through the modification of IEEE 802.11 sub-7.25 GHz PHYs. The modifications to the ELC PHY are limited to specifying: Accepted. Submission Slide 4 Volker Jungnickel, Fraunhofer HHI
March 2025 doc.: IEEE 802.11-25/0458r3 Comments from 802.3 on P802.11br PAR Change the last sentence of section 5.2.b to: This amendment provides for compatibility with legacy IEEE 802.11bb devices operating in the identified optical bands. Revised now reads Light Communications (LC) devices as defined in IEEE Std 802.11bb-2023 Section 5.5: expand acronym LC in the fourth sentence. Revised a previous change expanded the acronym earlier in the PAR (LC defined in 5.2.b in the new version). Expansion is not needed here. Also the stakeholder statement is confusing and implies that the stakeholders may be end users. Suggest to use the stakeholder statement from the CSD document. Accepted stakeholder definition aligned with that provided in the CSD. Submission Slide 5 Volker Jungnickel, Fraunhofer HHI
March 2025 doc.: IEEE 802.11-25/0458r3 Comments from 802.3 on P802.11br PAR Section 7.1: how does this project relate to ITU-T G.9991 that is referenced in the CSDs? No changes to the PAR. To address the comment, the added benefit of the IEEE 802.11 ELC amendment over ITU-T G.9991 is the use of the IEEE 802.11 MAC and PHY, which enable enhanced mobility, interoperability with other wireless local area networks and lower power consumption. Specifically, the proposed IEEE 802.11 ELC amendment uses the IEEE 802.11 sub-7 GHz MAC and PHY. Tighter integration with IEEE 802.11, coexistence and hand-over with other IEEE 802.11 systems will help to increase the ELC market by addressing additional applications. Submission Slide 6 Volker Jungnickel, Fraunhofer HHI
March 2025 doc.: IEEE 802.11-25/0458r3 Comments from 802.3 on P802.11br CSD CSD comments: Section 1.2.1, an improvement to the last sentence in the section, (page 3, line 11) could be improved. Suggested change lighting infrastructure has the opportunity to become an important communications infrastructure in the future. Accepted Section 1.2.3: Distinct Identity see the comment against the PAR regarding ITU-T G.9991 relevance. See comment above. Changed the wording in the CSD as follows: The added benefit of the IEEE 802.11 ELC amendment over ITU-T G.9991 is the use of the IEEE 802.11 MAC and PHY, which enable enhanced mobility, interoperability with other wireless local area networks and lower power consumption. Specifically, the proposed IEEE 802.11 ELC amendment uses the IEEE 802.11 sub-7 GHz MAC and PHY. Tighter integration with IEEE 802.11, coexistence and hand-over with other IEEE 802.11 systems will help to increase the ELC market by addressing additional applications. Submission Slide 7 Volker Jungnickel, Fraunhofer HHI
March 2025 doc.: IEEE 802.11-25/0458r3 Comments from 802.3 on P802.11br CSD Section 1.2.4, proven similar technology section (page 3, line 36). Referring to 802.11 as a mature technology does not imply that that LC infrastructure is mature. Are you referring to 802.11 or 802.11bb? It seems to be more appropriate to refer to 802.11bb. Revised new sentence added: IEEE 802.11bb enables IEEE 802.11 devices to use the optical spectrum with products shipping since 2024. Section 1.2.5 Economic Feasibility, item d . In the second sentence, security is a broad and loaded term. Please either improve or remove the claims on security and safety. Revised added a statement to clarify the security and safety claims. Revised text reads as: Using the light spectrum in ELC for downlink and uplink can be more power consuming relative to sub-7 GHz IEEE 802.11 systems. However, the use of ELC offers added security and safety benefits because light does not pass through walls, cannot be jammed and does not interfere with existing RF systems. These features can outweigh the additional energy consumption and offer tangible advantages by enabling wireless communications where typical RF systems could not be deployed. Submission Slide 8 Volker Jungnickel, Fraunhofer HHI
March 2025 doc.: IEEE 802.11-25/0458r3 Comments from 802.1 on P802.11br CSD Comment towards P802.11br CSD: page 2, line 39 "use-case" should be "use-cases . Accepted Comment towards P802.11br CSD: page 3, line 7 Missing a closed paranthesis after "etc.. . Accepted Comment towards P802.11br CSD: page 4, line 9 "of" should be inserted between "use" and "IEEE Accepted note, the change was on page 4, line 11 Submission Slide 9 Volker Jungnickel, Fraunhofer HHI
