Brainstorming on Next Steps for SC THz Project: IEEE P802.15 Working Group
This document serves as a starting point for brainstorming possible future activities of the SC THz project within the IEEE P802.15 Working Group. It addresses potential new projects, regulatory considerations, and spectrum allocation discussions related to THz frequencies. The content explores activities concerning WRC-27 and WRC-31 agenda items, emphasizing the identification and sharing studies of spectrum for radio location services and beyond 275 GHz. Additionally, it highlights the consideration of new frequency bands between 71 GHz and 252 GHz for possible standard extension.
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January 2024 doc.: 15-24-0031-01-0thz_Brainstorming on possible Next Steps for SC THz Project: IEEE P802.15 Working Group for Wireless Speciality Networks (WSN) Submission Title: Brainstorming on possible Next Steps for SC THz Date Submitted: 14 January 2024 Source: Thomas K rner, TU Braunschweig Address Schleinitzstr. 22, D-38092 Braunschweig, Germany Voice:+495313912416, FAX: +495313915192, E-Mail: t.kuerner@tu-braunschweig.de Re: Abstract: This contribution is intended as a starting point to brainstorm the possible next activities of SC THz. Purpose: Information of IEEE 802.15 SC THz Notice: This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15. Slide 1 Submission Thomas K rner (TU Braunschweig).
January 2024 doc.: 15-24-0031-01-0thz_Brainstorming on possible Next Steps for SC THz Brainstorming on possible Next Steps for SC THz Slide 2 Thomas K rner, TU Braunschweig Submission
January 2024 doc.: 15-24-0031-01-0thz_Brainstorming on possible Next Steps for SC THz Scope of this Contribution IEEE Std 802.15.3-2023 has been completed. This contribution is intended as a starting point to brainstorm the possible next activities of SC THz. Activities could be new projects or activities wrt the regulatory questions coming up with the THz-related agenda items at WRC-27 and WRC-31 In the following a few directions are described. Slide 3 Thomas K rner, TU Braunschweig Submission
January 2024 doc.: 15-24-0031-01-0thz_Brainstorming on possible Next Steps for SC THz Activities wrt WRC-27 and WRC-31 At WRC-27 an agenda item wrt THz is dealing with the identification and allocation of spectrum for Radio Location Service covering the frequency bands currently defined in IEEE 802.15.3-2023. At WRC-31the allocation of spectrum beyond 275 GHz is one of the agenda items. Both agenda items will require sharing studies, where the SC THz shall have an active role. Slide 4 Thomas K rner, TU Braunschweig Submission
January 2024 doc.: 15-24-0031-01-0thz_Brainstorming on possible Next Steps for SC THz Consideration of new Frequency between 71 GHz and 252 GHz IEEE Std 802.15.3-2023 covers spectrum up to 71 GHz and beyond 252 GHz. Within this gap a couple of frequency bands, e.g. around 150 GHz, are currently being considered as bands for Mobile or Fixed Service. In principal, this will open opportunities to extend the standard covering additional frequency bands between 71 and 252 GHz. Slide 5 Thomas K rner, TU Braunschweig Submission
January 2024 doc.: 15-24-0031-01-0thz_Brainstorming on possible Next Steps for SC THz New PHY solutions proposed and postponed in TG3mb In https://mentor.ieee.org/802.15/dcn/22/15-22-0384-00-0thz-physical-layer- solutions-to-maximize-throughput-and-facilitate-coexistence-in-the-terahertz- band.pdf a couple of PHY solutions have been proposed. It was decided, not to put them into IEEE Std 802.15.3-2023, but consider them at a later stage, when more results are available. The techniques are Spread spectrum mode for coexistence Hierarchical bandwidth modulations for single-transmitter multiple-receiver scenarios MIMO systems Slide 6 Thomas K rner, TU Braunschweig Submission
January 2024 doc.: 15-24-0031-01-0thz_Brainstorming on possible Next Steps for SC THz New Use Cases requiring the Support of Mobility The THz-PHY in IEEE Std 802.15.3-2023 supports only use cases for fixed point-to-point applications Other use cases will require the support of mobility with beam-steering or beam-tracking capabilities Once the corresponding techniques are mature, this may require the extension of the current standard Slide 7 Thomas K rner, TU Braunschweig Submission
January 2024 doc.: 15-24-0031-01-0thz_Brainstorming on possible Next Steps for SC THz New Use Cases for Integrated Sensing and Communication The specific properties of the THz spectrum make it also a candidate for sensing. Use cases for integrated sensing and communication may require own standard development. Once such techniques are mature, this may initiate correspondimg standarisation activities. Slide 8 Thomas K rner, TU Braunschweig Submission
January 2024 doc.: 15-24-0031-01-0thz_Brainstorming on possible Next Steps for SC THz Implications of Reflective Intelligent Surfaces Intelligent reflective surfaces are under considerations for THz communciations, see for example https://mentor.ieee.org/802.15/dcn/23/15-23-0132-01-0thz- overview-on-the-horizon-europe-6g-sns-project-terrameta.pdf This may have also implications on the design of the PHY and MAC procedures once these techniques are mature. Slide 9 Thomas K rner, TU Braunschweig Submission
January 2024 doc.: 15-24-0031-01-0thz_Brainstorming on possible Next Steps for SC THz Discussion Slide 10 Thomas K rner, TU Braunschweig Submission
