1. doc.: IEEE 802.15-xxxxx Submission doc. : IEEE 802. 15-12-0164-00-wng0 Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Active LED-ID Standardization based on IEEE 802.15.7] Date Submitted: [November, 2012] Source: [Yeong Min Jang, Tuan Nguyen, and Ratan Kumar Mondal] [Kookmin University] Address [Kookmin University, Seoul, Korea] Voice:[82-2-910-5068], FAX: [82-2-910-5068], E-Mail:[yjang@kookmin.ac.kr] Re: [] Abstract:[Active LED-ID standardization based on IEEE 802.15.7] Purpose:[Contribution to IEEE 802.15 IG-LED] 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. November 2012 Yeong Min Jang, Kookmin University doc.: IEEE 15-12-0635-00-0led

2. doc.: IEEE 802.15-xxxxx Submission doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0 Contents  Goals  Revision directions for active LED-ID standardization  Conclusions November 2012 Slide 2Yeong Min Jang, Kookmin University doc.: IEEE 15-12-0635-00-0led

3. doc.: IEEE 802.15-xxxxx Submission doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0 Goals  Need to standardize active LED-ID system for low-cost implementations  Need to apply to indoor LBS applications November 2012 Slide 3Yeong Min Jang, Kookmin University doc.: IEEE 15-12-0635-00-0led

4. doc.: IEEE 802.15-xxxxx Submission doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0 Revision directions for active LED-ID standardization  Active LED-ID system definitions LED-ID Active LED-ID Active LED-ID tag  Need to modify existing IEEE802.15.7 MAC protocol  Need to modify existing IEEE802.15.7 MAC services  Need to existing IEEE802.15.7 PHY layer November 2012 Slide 4Yeong Min Jang, Kookmin University doc.: IEEE 15-12-0635-00-0led

5. doc.: IEEE 802.15-xxxxx Submission doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0 MAC protocol modification  Need to modify processes: Channel scanning Channel access Association/Disassociation Synchronization  Need to modify MAC command frames  Need to insert location information field into MAC frames November 2012 Slide 5Yeong Min Jang, Kookmin University doc.: IEEE 15-12-0635-00-0led

6. doc.: IEEE 802.15-xxxxx Submission doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0 Channel Access Method  IEEE 802.15.7 standard: CSMA/CA protocol  For simple implementation of LED-ID networks: time- slotted ALOHA protocol November 2012 Slide 6Yeong Min Jang, Kookmin University doc.: IEEE 15-12-0635-00-0led

7. doc.: IEEE 802.15-xxxxx Submission doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0 MAC frame modification November 2012 Slide 7Yeong Min Jang, Kookmin University Octets:210/20/2/80/20/2/8 0/5/6/10/ 14 Variable2 Frame Control Sequence Number Destination VPAN Identifier Destination Address Source VPAN Identifier Source Address Auxiliary Security Header Frame Payload FCS Addressing Fields MHRMSDUMFR Octets: 21Address0/5/6/10/14Variable2 Frame Control Sequence Number Addressing Fields Auxiliary Security Header Location Payload FCS MHRMSDUMFR Frame Type Value b2 b1 b0 Description 000Beacon 001Data 010Acknowledgment 011Command 100CVD 101Location 110–111Reserved  IEEE 802.15.7 MAC frame format  Proposed active LED-ID MAC frame format  Proposed frame type doc.: IEEE 15-12-0635-00-0led

8. doc.: IEEE 802.15-xxxxx Submission doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0 MAC services modification  Need to modify MAC management service Modify the primitives of MLME-SAP (Medium-access-control Link-Management Entity – Service Access Point) interface.  Need to modify MAC data service Insert location information services. November 2012 Slide 8Yeong Min Jang, Kookmin University doc.: IEEE 15-12-0635-00-0led

9. doc.: IEEE 802.15-xxxxx Submission doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0 PHY modification  Current IEEE 802.15.7 standard specifies 3 PHY types: PHY I: intended for outdoor usage with low data rate applications. PHY II: intended for indoor usage with moderate data rate applications. PHY III: intended for moderate data rate applications using CSK that have multiple light sources and detectors.  Need to define(or revise) particular PHY type for LED-ID reader and tag applications.  Need to define(or revise) particular PHY type for indoor LBS applications. November 2012 Slide 9Yeong Min Jang, Kookmin University doc.: IEEE 15-12-0635-00-0led

10. doc.: IEEE 802.15-xxxxx Submission doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0 Revision of PHY  Current modulation schemes of IEEE 802.15.7 specification: OOK VPPM CSK  Drawback of current modulation schemes: Signal differentiation in the overlapping areas  Solutions: Using multi-carrier modulation scheme: OFDM November 2012 Slide 10Yeong Min Jang, Kookmin University  Need to put multi-carrier modulation part into PHY specification part doc.: IEEE 15-12-0635-00-0led

11. doc.: IEEE 802.15-xxxxx Submission doc. : IEEE 802.15-15-09-0549-00-0007doc. : : IEEE 802. 15-12-0164-00-wng0 Conclusions  Proposing some revision directions for standardizing active LED-ID technology based on IEEE 802.15.7  Other revision directions  PHY  MAC  Link Management and Link switching  LBS  Simple implementation  A call for contributions in next meeting. November 2012 Slide 11Yeong Min Jang, Kookmin University doc.: IEEE 15-12-0635-00-0led