Sensor Network with Mobile Access:Sensor Network with Mobile Access:Network-Based ControlNetwork-Based Control
((An Experimental Testbed)An Experimental Testbed)
Youngchul SungYoungchul Sung
Adaptive Communications and Signal Processing GroupAdaptive Communications and Signal Processing Group
School of Electrical & Computer EngineeringSchool of Electrical & Computer Engineering
Cornell UniversityCornell University
Ithaca, NY 14853Ithaca, NY 14853
Sensor Network with Mobile Sensor Network with Mobile AccessAccess
Minimal Low Power SensorsMinimal Low Power Sensors Local sensor Local sensor
communicationscommunications Opportunistic multiaccess Opportunistic multiaccess
to mobile access pointsto mobile access points
Powerful Mobile Access PointsPowerful Mobile Access Points Data collection and Data collection and
transporttransport Network managementNetwork management
OpportunisticProtocol
Network-Based Control (NBC)Network-Based Control (NBC)using SENMAusing SENMA
Sensor network based controlSensor network based control Large sensor network distributed on a wide Large sensor network distributed on a wide
areaarea Unmaned vehicle/Mobile access pointUnmaned vehicle/Mobile access point Local communication between MAP and Local communication between MAP and
sensorssensors Estimation of target location and movement Estimation of target location and movement
controlcontrolEx. Target tracking based on distributed sensor dataEx. Target tracking based on distributed sensor data
Target
Functional Block of NBCFunctional Block of NBC
Sensor Network
Mobile Access Point (UAV)
Location Device
SensingSignal processingDOA estimation, etc
CommunicationNetworkingSensor localization
Location monitoringData fusionControl of UAV
UAV Movement ControlUAV Movement Control
Sensor dataFusion/control algorithm
Location informationMovement control
Previous sensor data
System ConfigurationSystem Configuration
Implemented SystemImplemented System
Image Extraction for Precision Control Image Extraction for Precision Control (IEPG)(IEPG)
Uplink Opportunistic Packet Uplink Opportunistic Packet CommunicationCommunication
FrameMaker Preamble Training Sensor ID BatteryLevel Sensor Data FEC
Uplink Packet FormatUplink Packet Format
Downlink CommunicationDownlink Communication Beacon transmissionBeacon transmission Channel state estimation/Opportunistic transmissionChannel state estimation/Opportunistic transmission
Multiaccess Receiver DesignMultiaccess Receiver Design
FDMA-based Uplink Receiver Structure
Related Research IssuesRelated Research IssuesResearch Topics Research Topics
Combining large sensor network and controlCombining large sensor network and control Network-based signal processing: Ex. DOA Network-based signal processing: Ex. DOA
estimationestimation Data fusionData fusion Sensor localization using UAVSensor localization using UAV
Potential Applications Potential Applications MilitaryMilitary CommercialCommercial
Live DemoLive Demo
Sensor-Directed Guidance for Unmaned Sensor-Directed Guidance for Unmaned VehicleVehicle
1.1. Target location settingTarget location setting
2.2. Emulating DOA estimationEmulating DOA estimation
3.3. Start operationStart operation1.1. Local data collectionLocal data collection
2.2. UAV location extractionUAV location extraction
3.3. Estimating target locationEstimating target location
4.4. Movement controlMovement control