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Doc.: IEEE 802.11-11/0547r0 Submission April 2011 Mitsuru Iwaoka, Yokogawa Elec. Co.Slide 1 IEEE 802.11ah Coverage Requirement of Industrial Process Automation.

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Presentation on theme: "Doc.: IEEE 802.11-11/0547r0 Submission April 2011 Mitsuru Iwaoka, Yokogawa Elec. Co.Slide 1 IEEE 802.11ah Coverage Requirement of Industrial Process Automation."— Presentation transcript:

1 doc.: IEEE 802.11-11/0547r0 Submission April 2011 Mitsuru Iwaoka, Yokogawa Elec. Co.Slide 1 IEEE 802.11ah Coverage Requirement of Industrial Process Automation Use Cases Date: 2011-04-18 Authors:

2 doc.: IEEE 802.11-11/0547r0 Submission April 2011 Mitsuru Iwaoka, Yokogawa Elec. Co.Slide 2 Abstract This presentation describes an 802.11ah use case and functional requirements of following industrial use cases, Use case 1d: Sensors for industrial process automation Use case 2a&2b: Backhaul Sensor/Meter data required in 11 th April 2011 teleconference [1][2].

3 doc.: IEEE 802.11-11/0547r0 Submission April 2011 Mitsuru Iwaoka, Yokogawa Elec. Co.Slide 3 Today’s Network used for Industrial Process Automation Application Analog I/O, Digital I/O Wired link Wired Field bus Control Station Control Station I/O Station Operation & Management Real-time Process control Target of use case 2a&2b; Backhaul Sensor/Meter data Target of use case 1d; Sensors for Industrial Process Automation Analog I/O, Digital I/O Wired Field bus Industrial Ethernet Industrial Ethernet

4 doc.: IEEE 802.11-11/0547r0 Submission April 2011 Mitsuru Iwaoka, Yokogawa Elec. Co.Slide 4 Deployment of Sensors/Actuators in Typical Industrial Process Automation Use Cases Up to 10,000 sensors/actuators in large (e.g. 2 by 1km) outdoor area with rich specular metallic structures. Use case Num. of AP’s in a ESS Num. of STA’s in a BSS 1d~10~500 2a,2b~5~10 Control Room STA AP STA&AP AP Use case 1d; Sensors Sensor; non-11ah Backhaul: 11ah Sensor; 11ah Backhaul: 11ah Sensor; 11ah Backhaul: non-11ah STA/AP capacity Elevation of AP: 1~20m Elevation of STA: 1~20m Distance: typically <500m Relay (or Mesh) to extend coverage Use case 2a&2b; Backhaul

5 doc.: IEEE 802.11-11/0547r0 Submission April 2011 Mitsuru Iwaoka, Yokogawa Elec. Co.Slide 5 Long Distance Use cases in Industrial Process Automation In pipeline monitoring or oil/gas upstream monitoring application, distance between AP/STA will be large (~2km). –Rural (open air) environment AP/STA’s will be deployed carefully as following. –Place at LOS position each other –If necessary, use high gain antenna Distance: ~2km Distance between each well: ~2km Case 1d; pipeline monitoringCase 2a&2b; Oil/gas upstream monitoring <10 Sensors/well Hundreds of well are scattered in desert, or on the sea

6 doc.: IEEE 802.11-11/0547r0 Submission April 2011 Mitsuru Iwaoka, Yokogawa Elec. Co.Slide 6 Requirements of Industrial Process Automation Use Cases: Coverage In typical case, distance between AP and STA is less than 500m –Multi-hop relay (or mesh) can be used to extend coverage. Some exceptional cases (see Slide.5), distance up to 2km is required. –Rural (open air) environment Path loss is much smaller than urban/sub urban area

7 doc.: IEEE 802.11-11/0547r0 Submission April 2011 Mitsuru Iwaoka, Yokogawa Elec. Co.Slide 7 Proposed functional requirement of Industrial Process Automation Use Cases: Coverage Distance between STA and AP is typically less than 500m. –PER is < 1% @500m (from high reliability requirement) Outdoor with rich specular metallic structures, urban, or sub urban

8 doc.: IEEE 802.11-11/0547r0 Submission April 2011 Mitsuru Iwaoka, Yokogawa Elec. Co.Slide 8 References [1] IEEE 802.11ah Requirements Discussion, IEEE802.11- 11/0527r0 [2] Discussion for 11ah Functional Requirements, IEEE802.11-11/0528r0

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