Sensor Network with Mobile Access: Network-Based Control (An Experimental Testbed)

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Sensor Network with Mobile AccessNetwork-Based
Control (An Experimental Testbed)

• Youngchul Sung
• Adaptive Communications and Signal Processing
  Group
• School of Electrical Computer Engineering
• Cornell University
• Ithaca, NY 14853

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Sensor Network with Mobile Access

• Minimal Low Power Sensors
• Local sensor communications
• Opportunistic multiaccess to mobile access points
• Powerful Mobile Access Points
• Data collection and transport
• Network management

Opportunistic Protocol
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Network-Based Control (NBC)using SENMA

• Sensor network based control
• Large sensor network distributed on a wide area
• Unmaned vehicle/Mobile access point
• Local communication between MAP and sensors
• Estimation of target location and movement
  control

Ex. Target tracking based on distributed sensor
data
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Functional Block of NBC
Location Device
Location monitoring Data fusion Control of UAV
Mobile Access Point (UAV)
Communication Networking Sensor localization
Sensor Network
Sensing Signal processing DOA estimation, etc
Target
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UAV Movement Control
Location information
Movement control
Fusion/control algorithm
Sensor data
Previous sensor data
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System Configuration
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Implemented System
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Image Extraction for Precision Control (IEPG)
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Uplink Opportunistic Packet Communication

• Downlink Communication
• Beacon transmission
• Channel state estimation/Opportunistic
  transmission

Uplink Packet Format
FrameMaker Preamble Training Sensor ID
BatteryLevel Sensor Data FEC
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Multiaccess Receiver Design
FDMA-based Uplink Receiver Structure
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Related Research Issues

• Research Topics
• Combining large sensor network and control
• Network-based signal processing Ex. DOA
  estimation
• Data fusion
• Sensor localization using UAV

• Potential Applications
• Military
• Commercial

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Live Demo

• Sensor-Directed Guidance for Unmaned Vehicle
• Target location setting
• Emulating DOA estimation
• Start operation
• Local data collection
• UAV location extraction
• Estimating target location
• Movement control