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Doc.: IEEE 802.11-11/0260r1 Submission Feburary 2011 Mitsuru Iwaoka, Yokogawa Electric Co. Slide 1 IEEE 802.11ah Use Case – Industrial Process Automation.

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Presentation on theme: "Doc.: IEEE 802.11-11/0260r1 Submission Feburary 2011 Mitsuru Iwaoka, Yokogawa Electric Co. Slide 1 IEEE 802.11ah Use Case – Industrial Process Automation."— Presentation transcript:

1 doc.: IEEE 802.11-11/0260r1 Submission Feburary 2011 Mitsuru Iwaoka, Yokogawa Electric Co. Slide 1 IEEE 802.11ah Use Case – Industrial Process Automation Date: 2011-02-24 Authors:

2 doc.: IEEE 802.11-11/0260r1 Submission Feburary 2011 Mitsuru Iwaoka, Yokogawa Electric Co. Slide 2 Abstract This presentation proposes an 802.11ah additional use cases for industrial process automation. 1 st use case is wireless remote I/O. 2 nd use case is wireless backhaul network for wireless sensor / actor network (WSAN).

3 doc.: IEEE 802.11-11/0260r1 Submission Feburary 2011 Mitsuru Iwaoka, Yokogawa Electric Co. Slide 3 Industrial Process Automation Attributes Automation of industrial process like petroleum refinement, iron and steel, pharmacy, etc [1]. Reliability is the first place. –Require low PER; <1% Up to thousands of Input/Output points in the system. Real-time communication. –Latency: < hundreds of milliseconds –Traffic: < ten’s of Kbps per I/O point Relatively large outdoor area with large metal objects. –e.g., 2km x 1km –Mesh network is instrumental [2].

4 doc.: IEEE 802.11-11/0260r1 Submission Feburary 2011 Mitsuru Iwaoka, Yokogawa Electric Co. Slide 4 Sub 1GHz use cases for industrial process automation 1 st use case is wireless remote I/O. 2 nd use case is wireless backhaul network for wireless sensor / actor network (WSAN). Wireless Sensor/Actor Network using IEEE802.15.4g PHY *Low data rate; <200kbps. *Low power; battery operation for >5years. 15.4g-11ah Router 11ah AP 2 nd use case Backhaul Network 1 st use case: Wireless Remote I/O *Aggregate many I/O points 15.4g-11ah Router 11ah AP Backbone network Control Stations *Execute Feedback Control Analog I/O, Digital I/O

5 doc.: IEEE 802.11-11/0260r1 Submission Feburary 2011 Mitsuru Iwaoka, Yokogawa Electric Co. Slide 5 Requirements for Industrial Process Automation #CategoryComment 1LocationOutdoor 2Environment typerural, rich specular metallic structures 3STA/AP communicationSend/receive (Monitoring, Control) 4Data rate<1Mbps *1 5BER/PER requirementPER<1% 6MobilityStationary, Low velocity 7Traffic typePeriodic (0.1s~100s), Burst 8Security requirementHigh 9ReliabilityHigh 10STA/AP capacitySTA: 500, AP: 10 11STA/AP categorySTA: fixed, low velocity, AP: fixed 12STA/AP elevationSTA: 1-20m, AP: 1-20m 13STA-AP Distance<2km *1; 500I/O’s x 1packet/s x 64bytes/packet = 32kBytes/s = 256kbit/s => Expected PHY data rate: ~1Mbps

6 doc.: IEEE 802.11-11/0260r1 Submission Feburary 2011 Mitsuru Iwaoka, Yokogawa Electric Co. Slide 6 References [1] IEEE P802.15 Wireless PANs, Process Automation, IEEE 802.15-08-0767-00-004e [2] IEEE P802.11 Wireless LANs, Supplemental Use Cases in Industrial Apps, IEEE 802.11-11/0014r2

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