IEEE 802.11-19/1261r4 Straw Polls on LC-Optimized PHY Proposal for TGbb
"Explore the straw polls on an LC-optimized PHY proposal for TGbb in the IEEE 802.11-19/1261r4 document by Volker Jungnickel from Fraunhofer HHI. Topics include adaptive bit loading, bandwidth scalability, distributed MIMO, and G.9991 PHY considerations."
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July 2019 doc.: IEEE 802.11-19/1261r4 Straw polls on LC-optimized PHY proposal for TGbb Date: 2019-07-16 Authors: Name Volker Jungnickel Affiliations email volker.jungnickel@hhi.fraunhofer.de Fraunhofer HHI Volker Jungnickel Fraunhofer HHI Submission Slide 1
July 2019 doc.: IEEE 802.11-19/1261r4 Abstract The submission presents contains several straw polls concerning the proposal for an LC-optimized PHY for TGbb based on G.9991 PHY 1 [1]. Volker Jungnickel Fraunhofer HHI Submission Slide 2
July 2019 doc.: IEEE 802.11-19/1261r4 Straw Poll #1 Adaptive bit loading is useful to optimize LC performance due to low-pass behavior of optical frontends and NLOS propagation in the wireless channel. Shall adaptive bit loading be supported by every TGbb STA with bandwidth larger than 20 MHz? Y / N / A: 14 / 16 / 12 Volker Jungnickel Fraunhofer HHI Submission Slide 3
July 2019 doc.: IEEE 802.11-19/1261r4 Straw Poll #1a Adaptive bit loading is useful to optimize LC performance due to low-pass behavior of optical frontends and NLOS propagation in the wireless channel. Should adaptive bit loading be considered as one mode of operation in TGbb? Y / N / A: 19 / 0 / 5 Volker Jungnickel Fraunhofer HHI Submission Slide 4
July 2019 doc.: IEEE 802.11-19/1261r4 Straw Poll #2 TGbb PAR requires one PHY mode to reach 5 Gbit/s. Bandwidth of LC frontends can be scaled to 1 GHz and more by using lasers besides LEDs. Should extensions for 1 GHz bandwidth and more be considered by TGbb? Y / N / A: 19 / 0 / 3 Volker Jungnickel Fraunhofer HHI Submission Slide 5
July 2019 doc.: IEEE 802.11-19/1261r4 Straw Poll #3 Distributed MIMO is useful to handle multiple optical frontends with overlapping coverage. MIMO is also useful at the non-AP STA e.g. to combat interference. Should extensions for MIMO larger than 8x8 over LC be considered by TGbb? Y / N / A: 17 / 0 / 3 Volker Jungnickel Fraunhofer HHI Submission Slide 6
July 2019 doc.: IEEE 802.11-19/1261r4 Straw Poll #4 The physical layer of G.9991 supports adaptive bit loading natively unlike existing PHYs in 802.11. With an ongoing project (G.hn2), people work already on an extension to support more than 1 GHz bandwidth. Extensions to support MIMO setups larger than 8x8 have also been proposed. Should the G.9991 PHY be considered as one mode of operation in TGbb? Y / N / A: 14 / 5 / 3 Volker Jungnickel Fraunhofer HHI Submission Slide 7
July 2019 doc.: IEEE 802.11-19/1261r4 Postponed to Thursday PM1 OFDMA MAC is recently introduced to improve interference management and support larger numbers of users, e.g. in IoT. Shall TGbb PHY support support OFDMA MAC? Y / N / A: - / - / - Volker Jungnickel Fraunhofer HHI Submission Slide 8
July 2019 doc.: IEEE 802.11-19/1261r4 Straw Poll #5 OFDMA MAC is recently introduced to improve interference management and support larger numbers of users, e.g. in IoT. Shall TGbb PHY support support OFDMA MAC? Y / N / A: - / - / - Volker Jungnickel Fraunhofer HHI Submission Slide 9
July 2019 doc.: IEEE 802.11-19/1261r4 Motion Move to extend debate for 45 minutes until 5:30. Move Second Marc Emmelmann Kai Lennert Bober Y / N / A: 11 / 2 / 15 Motion passed. Volker Jungnickel Fraunhofer HHI Submission Slide 10
