1. doc.: IEEE 802.15-<doc#>
<month year>
doc.: IEEE <doc#>
Project: IEEE P Working Group for Wireless Personal Area Networks (WPANs)
Submission Title: Maintaining RSLN enabled PAN
Date Submitted: 14 March, 2012
Source: Seong-Soon Joo, Jong-Arm Jun, Nae-Soo Kim, Cheol-Sig Pyo
Company: ETRI
Address: 161 Gajeong-dong, Yuseong-gu, Daejeon, KOREA
Voice: , FAX: ,
Re:
Abstract: As an initial draft for the LECIM MAC, to extend the networking coverage of a star network, maintaining the Relayed Slot-Link Network (RSLN) enabeld PAN is described.
Purpose: Initial draft for the LECIM MAC
Notice: This document has been prepared to assist the IEEE P 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
<author>, <company>

2. Maintaining RSLN enabled PAN
<month year>
doc.: IEEE <doc#>
Maintaining RSLN enabled PAN
Seong-Soon Joo*,
Jong-Arm Jun, Nae-Soo Kim, Cheol-Sig Pyo
ETRI
<author>, <company>

3. Maintenance of RSLN enabled PAN (I)
maintenance features
maintain time synchronization
maintain repeaters on the path
maintain end points
originating source of time information comes from the PAN coordinator
keep phasing between inner and outer coordinator’s time
measure the off-phase by regressing the difference between the estimated time of event and the occurred time of event
time-stamping for measuring the clock drift rate
compensate clock drift periodically

4. Maintenance of RSLN enabled PAN (II)
maintain relaying path
status on the path
link quality: inward, outward
depth of relaying, repeater information on the path
status of the repeater
load status: how many end-points are connected
status of the device
check in-service
power management
control the transmission power

5. RSLN Synchronization time synchronization
synchronize with the global time source
phase to the inner coordinator cyclic-superframe beacon
use the first time-stamp infor in any of frames from the inner coordinator
compensate clock drift
measure the off-phase
explicit time information : time-stamp in beacon or management frame
implicit time information : ACK time-stamp
regress the clock drifting & update clock

6. Relaying Path Management (I)
components of path management
device
address
device type : PAN coordinator, repeater, end-point
position on the path : relaying tier identifier, inward connected device, outward connected device
link
connection infor
inside device infor: address, relaying tier identifier, device type, inside device’s cyclic-superframe beacon index
outside device infor: address, relaying tier identifier, device type, outside device’s cyclic-superframe beacon index
link quality
inward link quality
outward link quality
path
list of repeater
list of end points
status
propagation delay, traffic

7. Relaying Path Management (II)
one-hop link management
connection infor
link quality
beacon bitmap
list of active bidirectional device slots
power management
end-to-end path management
check active end points
propagation delay

8. Relaying Path Management (III)
slot access for exchanging management infor
broadcasting
coordinator slot
outward only
1-to-1
bidirectional device slot
inward or outward
one-hop link management or end-to-end path management
management primitives & commands
information vs control
one-hop vs end-to-end

9. RSLN Management Primitives (I)
MLME-RSLN-MANAGEMENT.request
ManagementType: time sych, link infor, path infor, power management
DstAddrMode, DstAddr
Table – MLME-RSLN-MANAGEMENT.request parameters
Name
Type
Valid range
Description
managementType
Enumeration
TIME, LINK, PATH, POWER
Operation to perform. TIME=0, LINK=1, PATH=2, POWER=3
DstAddrMode
NO_ADDRESS,
SHORT_ADDRESS,
EXTENDED_ADDRESS
The destination addressing mode for this primitive.
DstAddr
Device
Address
As specified by the
DstAddrMode parameter
The individual device address of the
device for which the frame was intended.

10. RSLN Management Primitives (II)
MLME-RSLN-MANAGEMENT.response
ManagementType
SrcAddr
time synch infor
link descriptor
path descriptor
power management descriptor

11. RSLN Management Primitives (III)
Link Descriptor
Path Descriptor
TBD
Power Management Descriptor
Octets: 2/8
Octets: 4
Variable
Inner device address
Outer device address
Link status descriptor
(refer to )
Synchronous Relaying Specification

12. RSLN Management Commands (I)
RSLN Management request
Octets: variable 1
MHR fields
(refer to )
Command Frame Identifier
(defined in Table 5)
Management Type
Figure xx-RSLN-Management request command format

13. RSLN Management Commands (II)
RSLN Management response
Octets: variable 1
0/2/8
0/6
variable
MHR fields
(refer to )
Command Frame Identifier
(defined in Table 5)
Src address
Management Type
Time Synchronization Specification
(refer to )
Link descriptor
Path descriptor
Power management descriptor
Figure xx-RSLN-Management response command format

14. Thanks for your Attention! ssjoo@etri.re.kr