1. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 1 Project: IEEE 802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Display Light Pattern based Tx with SCAM Date Submitted: 10 January, 2016 Source: Jaesang Cha, Junghoon Lee, Vinayagam Mariappan [SNUST] Address : Seoul National University of Science & Technology [SNUST], Seoul, Korea Voice: +82-2-970-6431, FAX: +82-2-970-6123, E-Mail: chajs@seoultech.ac.kr Re: Response to Call For IEEE802.15.7r1 Proposal on November 2015 Abstract: Display Light Pattern based Tx with SCAM is proposed Purpose: CFP Response Notice:This document has been prepared to assist the IEEE 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 IEEE 802.15 January 2016 Jaesang Cha, Seoul National Univ. of Science & Tech

2. Submission Doc: IEEE 802.15-16-0024-03-007a January 2016 Jaesang Cha [SNUST] Junghoon Lee [Dong Seoul University] Vinayagam Mariappan [SNUST] SNUST 802.15.7r1 Display Light Pattern based Tx with SCAM Jaesang Cha, Seoul National Univ. of Science & Tech Slide 2

3. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 3 Contents Introduction SCAM SCAM Tx / Rx Process SS-SCAM Tx / Rx Process Distance Adaptive Bitrate Control Proposed Angle Free & Distance Adaptive Pattern Types of SCAM Adaptive Transmission Throughput on the Display Frame rate Adaptive Transmission Application of SCAM using App’s ICON Applications for Authentication, High Rate OCC and LBS Conclusion January 2016 Jaesang Cha, Seoul National Univ. of Science & Tech.

4. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 4 Introduction (1) Display adaptive Color & Pattern light coded data transmission for Display- Camera based communication Link -Proposes the Rx Distance adaptive Color & Pattern based coding method to support high data rate on OCC -Used in Displays, Signage, and Smart Device Displays -Forms High data rate short range communication network without network infrastructure January 2016 Display adaptive Color & Pattern Method using Displays and Cameras of Smart Devices could be a promising high data rate solution for OWC Jaesang Cha, Seoul National Univ. of Science & Tech

5. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 5 Introduction (2) January 2016 Tx Rx Tx : Sending coded data using Pattern light of Any Light Source –Pattern lights characterized by various Color & Amplitude & Shape & transparency Level Rx : Smart Device image sensor(Camera) Multiple Light Sources with various Color & Amplitude & Shape & Transparency Light Source (Bulb) Jaesang Cha, Seoul National Univ. of Science & Tech

6. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 6 January 2016 SCAM SCAM coded by M(color) / N(amplitude) / Q(shape) / α(transparency ) State No of Coded Levels (MxNxQxα) : 256 = 2 8 8 bit Symbol coding possible with 8/4/4/2 (Color/Amplitude/Shape/ transparency) SCAM Scheme Jaesang Cha, Seoul National Univ. of Science & Tech

7. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 7 January 2016 SCAM Scalable Color Amplitude Modulation M State (Color Domain) : 8 M x N x Q x α = 8 x 4 x 4 x 2 = 256 = 2 8 SCAM Case Study 1 N State (Amplitude Domain) : 4 Q State (Shape Domain) : 4 SCAM coded by M(color)/N(amplitude)/Q(shape)/α(transparency) States No of Coded Levels (MxNxQxα) : 256 = 2 8 8 bit Symbol coding possible with 8/4/4/2 (Color/Amplitude/Shape/transparency) SCAM Scheme Jaesang Cha, Seoul National Univ. of Science & Tech α State (Transparency Domain) : 2

8. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 8 January 2016 SCAM Case Study 2 SCAMM x N x Q x α*Bit M=2, N=2, Q=2, α =216 = 2 4 4 M=2, N=4, Q=2, α =232 = 2 5 5 M=4, N=2, Q=4, α =264 = 2 6 6 M=8, N=4, Q=2, α =2128 = 2 7 7 M=8, N=4, Q=4, α =2256 = 2 8 8 *M : Color Domain / N : Amplitude Domain Q : Shape Domain / α : transparency Domain SCAM Coded Example SCAM is able to expand a Domain size and add a transparency or blinking domain Jaesang Cha, Seoul National Univ. of Science & Tech

9. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 9 Proposed SCAM based Tx/Rx Structure January 2016 SCAM proposed to enhance OCC data throughputs and to mitigate the Color illumination Interferences Improved for higher Data Rates Operated in Low Error Rates (BER < 10 -6 ) Jaesang Cha, Seoul National Univ. of Science & Tech

10. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 10 January 2016 Proposed SS-SCAM Tx /Rx Structure SS-SCAM proposed to enhance secure OCC data throughput Mitigate the Single Color illumination Inferences Allows User Specific data transfer Improved for higher Data Rates Operated in Low Error Rates (BER < 10 -6 ) Jaesang Cha, Seoul National Univ. of Science & Tech

11. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 11 Distance Adaptive Bitrate Control January 2016 1m 2m 3m 4m Color, Amplitude and shape factor is Scaled according to an Rx Distance Adaptive 2D code (light) patterns are generated based on Color, Amplitude, Shape, and transparency factor Jaesang Cha, Seoul National Univ. of Science & Tech

12. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 12 Proposed ‘Angle Free’ and ‘Distance Adaptive’ January 2016 SCAM & SS-SCAM are available without angle and distance limitations Jaesang Cha, Seoul National Univ. of Science & Tech

13. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 13 Pattern Types of SCAM January 2016 Various pattern by size Various pattern by shape SCAM StructureVarious pattern by distance It’s able to use variety pattern types for SCAM & SS-SCAM Jaesang Cha, Seoul National Univ. of Science & Tech

14. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 14 Adaptive Transmission Throughput on the Display January 2016 Normal DisplayExpand Wide Vision(For UHD or more) According to Display Size, throughput and Scaling factor of data could be changed Adaptive Transmission throughput on the Display Jaesang Cha, Seoul National Univ. of Science & Tech

15. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 15 Frame rate Adaptive Transmission January 2016 Case 1 (15fps)Case 2 (30fps) Multiple frame Rate Coexistence on the Display According to various frame rate, adaptive frame rate transmission on the pattern is available Jaesang Cha, Seoul National Univ. of Science & Tech

16. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 16 Application of SCAM using App’s ICON January 2016 Smart Device APP’S ICON color change and blinking Smart Device App’s ICON also be a Color code Pattern light Jaesang Cha, Seoul National Univ. of Science & Tech

17. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 17 Application for Authentication January 2016 Authentication via SCAM or SS-SCAM Jaesang Cha, Seoul National Univ. of Science & Tech

18. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 18 Applications for High rate OCC & LBS January 2016 High rate OCC and LBS Service via SCAM or SS-SCAM High rate OCC LBS information Display signage Jaesang Cha, Seoul National Univ. of Science & Tech

19. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 19 January 2016 BER Simulation Scenario –Block Size : 50x50 –Tx : Multi array LED light –Rx : Smartphone Camera –Distance : 2m in order of 25 cm When distance increases the Receiver detecting color fails due to visibility on color changes due to illumination Jaesang Cha, Seoul National Univ. of Science & Tech

20. Submission Doc: IEEE 802.15-16-0024-03-007a Slide 20 Conclusion We Proposed Display pattern based Tx with SCAM SCAM and SS-SCAM are proposed for higher data rate OCC Scalable multi frame rate transmission on the multiple light sources specified by various color, amplitude and shapes and transparency level is possible Asynchronous Mode supported Application usage scenario for Authentication, LBS, and high data rate OCC, etc. is addressed January 2016 Jaesang Cha, Seoul National Univ. of Science & Tech