doc IEEE 802 15 20 0009 02 wng
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doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 January 2020 Project: IEEE P 802. 15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Extension of the SUN FSK in 802. 15. 4 PHY for JAPAN utility applications Date Submitted: 15 January, 2020 Source: Hiroshi Harada(NICT/Kyoto University), Ryota Okumura (Kyoto University), Yoshio Kashiwagi(NISSIN SYSTEMS), Tomohiro Ikuta(ROHM), Kiyoshi Fukui(OKI), Jiang Jeng-Shiann(Vertexcom), Takashi Kuramochi(LAPIS SEMICONDUCTOR) Voice: +81 -45 -476 -9295, E-Mail: kuramochi 722@dsn. lapis-semi. com Abstract: Presents requirements derived from utility networking experience which suggest modestly higher data rates with low power consumption for battery operated applications, and suggests simple enhancement to the existing standard to address these requirements. Purpose: Stimulate thought and identify potential enhancements. Notice: This document has been prepared to assist the IEEE P 802. 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 P 802. 15. Submission Slide 1 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 January 2020 Introduction Higher data rate requirements in IEEE 802. 15. 4 derived from utility use cases • Input from utilities and system vendors • Focus on enhancing current SUN FSK for Japan in IEEE 802. 15. 4 PHY Submission Slide 2 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 January 2020 Motivation Battery operated • 10 years operation • Simple modulation scheme Higher data rates • • • Increase the number of nodes. Detailed information not only electricity but also gas and water. OTA updates. Adaptive RF link optimization • • Submission Mix of performance needs Ability to adjust to changing RF conditions Slide 3 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 January 2020 Proposals Battery operated • FSK modulation is the best choice for low power operation Higher data rates • Modest increases – still low Mb/sec. Adaptive RF link optimization • Multi-rate covers 50, 100, 150, 300, 400, 600, 800 kbps in simple FSK modulation. Submission Slide 4 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 January 2020 Current SUN FSK options for Japan in IEEE 802. 15. 4 Frequency band (MHz) 920 -928 MHz Submission Parameter Operating mode #1 #2 #3 #4 Data rate (kb/s) 50 100 200 400 Modulation 2 -FSK 4 -FSK Modulation index 1. 0 0. 33 Channel spacing (k. Hz) 200 400 600 Standard 802. 15. 4 -2015 Slide 5 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 January 2020 Example of obvious extension Frequency band (MHz) 920 -928 MHz Parameter Operating mode #1 #2 #3 #4 #XX #XX Data rate (kb/s) 50 100 200 400 600 800 Modulation 2 -FSK 4 -FSK 2 -FSK 4 -FSK Modulation index 1. 0 0. 33 0. 5 0. 4 0. 5 0. 33 Channel spacing (k. Hz) 200 400 600 200 * N 1≦N≦ 5 Standard 802. 15. 4 -2015 Proposed Note: N is integer number Submission Slide 6 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
January 2020 doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 Example: Obvious extensions • Higher data rates of FSK implementations commercially available. • One single FSK modulation covers low to high date rates. Submission Slide 7 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
January 2020 doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 Feasibility Study Y. Xiang, R. Okumura, K. Mizutani, and H. Harada, “Field Experiment of IEEE 802. 15. 4 Based High-Speed FSK Transmission Scheme, ” IEICE Technical Report, Jan. 2020. Submission Slide 8 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
January 2020 doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 High-speed FSK Transmission Scheme • Prototype IC and a evaluation board – Support data rates of 50 kbps ~ 600 kbps by 2 -FSK – Support IEEE 802. 15. 4 -compliant FEC – Certified by a certification body in Japan • Meet the requirements of ARIB STD-T 108 under the proposed parameters Developed IC Submission Slide 9 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
January 2020 doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 High-speed FSK Transmission Scheme Submission Slide 10 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
January 2020 doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 High-speed FSK Transmission Scheme Submission Slide 11 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
January 2020 doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 High-speed FSK Transmission Scheme Submission Slide 12 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
January 2020 doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 Field experiment with High-speed FSK Submission Slide 13 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
January 2020 doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 Field experiment with High-speed FSK Submission Slide 14 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
January 2020 doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 Field experiment with High-speed FSK Submission Slide 15 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
January 2020 doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 Field experiment with High-speed FSK Submission Slide 16 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
January 2020 doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 Field experiment with High-speed FSK Submission Slide 17 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
doc. : IEEE 802. 15 -20 -0009 -02 -wng 0 January 2020 What next? • We ask the Working Group to consider minor extension of the SUN FSK for Japan in IEEE 802. 15. 4 PHY as suggested in our examples. • We also request the Working Group to launch an Interest group for development of PAR. Submission Slide 18 Harada/Okumura/Kashiwagi/Ikuta/Fukui/Jeng-Shiann/Kuramochi (NICT /Kyoto University/NISSIN SYSTEMS /ROHM /OKI /Vertexcom /LAPIS SEMICONDUCTOR )
