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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 ]

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slide1

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.

low energy service discovery mac protocol for pac wpan

Low Energy Service Discovery MAC Protocol for PAC WPAN

Wun-Cheol Jeong, Chang-Sub Shin,

Tae-Joon Park, Hoyong Kang

ETRI

slide3

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
state diagram of lesd
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

passive lesd scan procedure
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

active lesd scan procedure
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

channel sampling cs state
Channel Sampling (CS) State

Sleep Timer fire

Sleep

Rx

macCSduration

Tx completion

Receive

LESD request

command

Send

Response Command

illustration of cs procedure
Illustration of CS procedure

LESD request command

macCSInterval

Sender

Receiver

macCSDuration

cs procedure
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

slide10

MAC Commands for LESD

  • LESD request command
  • LESD response command
  • LESD notification command
slide11

LESD Command Frames

LESDrequest command format

LESDresponse command format

LESDnotification command format

slide13

MLSDE-LESD-SCAN: request

MLSDE‑LESD-SCAN.request (

ServiceID,

LESDChannelID,

AvailableChannelID

)

MLSDE‑LESD-SCAN.request parameters

slide14

MLSDE-LESD-SCAN: confirm

MLSDE‑LESD-SCAN.confirm (

Status

)

MLSDE‑LESD-SCAN.confirm parameters

slide15

MLSDE-LESD: request

MLSDE‑LESD.request (

ServiceID,

AvailableChannelID

)

MLSDE‑LESD.request parameters

slide16

MLSDE-LESD: indication

MLSDE‑LESD.indication (

ServiceID,

AvailableChannelID

)

MLSDE‑LESD.indication parameters

slide17

MLSDE-LESD: response

MLSDE‑LESD.response (

PANID,

ServiceID,

CommunicationChannelID

)

MLSDE‑LESD.response parameters

slide18

MLSDE-LESD: confirm

MLSDE‑LESD.confirm (

PANID,

ServiceID,

CommunicationChannelID,

Status

)

MLSDE‑LESD.confirm parameters

slide19

MLSDE-LESD-NOTIFY: indication

MLSDE‑LESD-NOTIFY.indication (

PANID,

ServiceID,

CommunicationChannelID

)

MLSDE‑LESD-NOTIFY.indication parameters