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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

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  1. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Low Energy Service Discovery MAC protocol for PAC WPAN Date Submitted: [July 2013] Source:[Wun-Cheol Jeong, Chang-Sub Shin, Tae-Joon Park, Hoyong Kang] Company: [ETRI] E-Mail:[wjeong@etri.re.kr] Re: [] Abstract: This pre-proposal document describes how common discovery is supported from the MAC’s perspective. 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.

  2. Low Energy Service Discovery MAC Protocol for PAC WPAN Wun-Cheol Jeong, Chang-Sub Shin, Tae-Joon Park, Hoyong Kang ETRI

  3. Low Energy Service Discovery Protocol • Abbreviations and acronyms • CS Channel Sampling • LESD Low Energy Sommon Discovery • MAC Medium Access Control • MHR MAC Header • MLME MAC sublayer Management Entity • MLSDE MAC sublayer Service Discovery Entity • PAN Personal Area Network • PD PAC Device • PLME PHY layer Management Entity • WPAN Wireless Personal Area Network

  4. State Diagram of LESD Passive LESD scan Search Success Join PAN Search Fail Channel Sampling (CS) Active LESD scan Start PAN Search Success Search Fail

  5. Passive LESD Scan Procedure NHL MLSDE MLSDE-LESD-SCAN.request Passive LESD Scan LESD response LESD notification MLSDE-LESD.confirm LESD notification MLSDE-LESD-NOTIFY.indication MLSDE-LESD-SCAN.confirm


  6. Active LESD Scan Procedure NHL MLSDE MLSDE NHL MLSDE-LESD.request LESD request MLSDE-LESD.indication macLESDResponseWaitTime MLSDE-LESD.response LESD response LESD notification MLSDE-LESD-NOTIFY.indication MLSDE-LESD.confirm macNumLESDRequestRetries > macMaxLESDRequestRetries MLSDE-LESD-SCAN.confirm

  7. Channel Sampling (CS) State Sleep Timer fire Sleep Rx macCSduration Tx completion Receive LESD request command Send Response Command

  8. Illustration of CS procedure LESD request command macCSInterval Sender Receiver macCSDuration

  9. CS Procedure NHL MLSDE MLSDE-LESD-CS.request MLSDE-LESD-CS.confirm LESD request Rx on for macCSDuration MLME-LESD.indication MLME-LESD.response LESD response macCSInterval Rx off

  10. MAC Commands for LESD • LESD request command • LESD response command • LESD notification command

  11. LESD Command Frames LESDrequest command format LESDresponse command format LESDnotification command format

  12. MAC Primitives for LESD

  13. MLSDE-LESD-SCAN: request MLSDE‑LESD-SCAN.request ( ServiceID, LESDChannelID, AvailableChannelID ) MLSDE‑LESD-SCAN.request parameters

  14. MLSDE-LESD-SCAN: confirm MLSDE‑LESD-SCAN.confirm ( Status ) MLSDE‑LESD-SCAN.confirm parameters

  15. MLSDE-LESD: request MLSDE‑LESD.request ( ServiceID, AvailableChannelID ) MLSDE‑LESD.request parameters

  16. MLSDE-LESD: indication MLSDE‑LESD.indication ( ServiceID, AvailableChannelID ) MLSDE‑LESD.indication parameters

  17. MLSDE-LESD: response MLSDE‑LESD.response ( PANID, ServiceID, CommunicationChannelID ) MLSDE‑LESD.response parameters

  18. MLSDE-LESD: confirm MLSDE‑LESD.confirm ( PANID, ServiceID, CommunicationChannelID, Status ) MLSDE‑LESD.confirm parameters

  19. MLSDE-LESD-NOTIFY: indication MLSDE‑LESD-NOTIFY.indication ( PANID, ServiceID, CommunicationChannelID ) MLSDE‑LESD-NOTIFY.indication parameters

  20. MAC PIB attributes

  21. MAC PIB attributes (cont’d)

  22. Thank you. Q & A