Doc.: IEEE 802.15-08/0765r0 Submission November 2008 M. Bahr, Siemens AGSlide 1 Project: IEEE...
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November 2008 M. Bahr, Siemens AG Slide 1 doc.: IEEE 802.15- 08/0765r0 Submiss ion Project: IEEE P802.15 Working Group for Wireless Personal Area Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Networks (WPANs) Submission Title: [ Application Space “Factory Automation” ] Date Submitted: [ 10 November, 2008 ] Source: [ Michael Bahr, Ludwig Winkel ] Company [ Siemens AG ] Address [Otto-Hahn-Ring 6, München, Germany] Voice:[ +49-89-636-49926 ], FAX: [ +49-89-636-49926 ], E-Mail:[ bahr at siemens. com] Re: [] Abstract: [ Requirements and usages in application space “Factory Automation” ] Purpose: [amending 802.15.4-2006 for matching the requirements for factory automation] 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.
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Transcript of Doc.: IEEE 802.15-08/0765r0 Submission November 2008 M. Bahr, Siemens AGSlide 1 Project: IEEE...
November 2008
M. Bahr, Siemens AGSlide 1
doc.: IEEE 802.15-08/0765r0
Submission
Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)
Submission Title: [ Application Space “Factory Automation” ]Date Submitted: [ 10 November, 2008 ]Source: [ Michael Bahr, Ludwig Winkel ] Company [ Siemens AG ] Address [Otto-Hahn-Ring 6, München, Germany]Voice:[ +49-89-636-49926 ], FAX: [ +49-89-636-49926 ], E-Mail:[ bahr at siemens. com]
Re: []
Abstract: [ Requirements and usages in application space “Factory Automation” ]
Purpose: [amending 802.15.4-2006 for matching the requirements for factory automation]
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 2008
M. Bahr, Siemens AGSlide 2
doc.: IEEE 802.15-08/0765r0
Submission
Application Space “Factory Automation”
Michael Bahr (Siemens AG)
Ludwig Winkel (Siemens AG)
November 2008
M. Bahr, Siemens AGSlide 3
doc.: IEEE 802.15-08/0765r0
Submission
Use Cases of Factory Automation
• automotive– robots– suspension tracks– portable
• machine tools– milling, turning – robot revolver
• filling• cargo
– airport logistics– post
• packaging industry• special engineering• conveyor technique
November 2008
M. Bahr, Siemens AGSlide 4
doc.: IEEE 802.15-08/0765r0
Submission
Requirements for Factory Automation (I)
• high reliability • high determinism
– bounded delay / latency
• very low latency: – transmission of sensor data in 10 ms– short duration between subsequent transmissions
• very small data– data might be only 1 byte
November 2008
M. Bahr, Siemens AGSlide 5
doc.: IEEE 802.15-08/0765r0
Submission
Requirements for Factory Automation (II)
• many sensors per gateway– up to 250 sensors per gateway
• different traffic patterns– limited traffic:
• sensors send data only infrequently• often event-triggered
– heavy traffic: • sensors send data (very) frequently• often continuous data transmission
November 2008
M. Bahr, Siemens AGSlide 6
doc.: IEEE 802.15-08/0765r0
Submission
Requirements for Factory Automation (III)
• star topology– gateway– sensor nodes– temporary management devices
• minimal overhead in data frames– short header
• flexible superframe structure• roaming between gateways
– for instance, for conveyor techniques
November 2008
M. Bahr, Siemens AGSlide 7
doc.: IEEE 802.15-08/0765r0
Submission
Device
DeviceDevice
Device
Device
Device
Device
Gateway
Mgmt
(temporary)Device
DeviceDevice
Device
Device
Device
Device
Gateway
Mgmt
(temporary)
Network Topology
• star topology• gateway• devices
– sensors:unidirectional data exchange from devices to gateway
– actuators: bidirectional data exchange between devices and gateway
– management devices (temporary)
November 2008
M. Bahr, Siemens AGSlide 8
doc.: IEEE 802.15-08/0765r0
Submission
Assumptions
• assume controlled environment (factory floor)• configuration for optimal performance• network management and frequency planning
for avoidance of co-existence issues
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