Pervasively Secure Infrastructures PSI research in CReWMaN

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Pervasively Secure Infrastructures (PSI) research
in CReWMaN

• Intrusion Detection and Data Aggregation using
  Multi-hop Routing in Sensor Network

Faculty Dr. S.K. Das, Dr. Yonghe
Liu Students A. Agah, A. Ghosh, G. Pallapa, H.
Ammari, H.J. Choe, H. Lee, J.W. Ho, P. De, W.
Choi, W. Zhang
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• Agenda
• Objectives
• System Capabilities
• System Architecture
• Motes and Signal Sources
• Methodology
• A Simple Scenario
• Development Test bed

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• Objectives
• To build skills for developing application
  specific algorithms protocols for sensor
  networks using Tiny-OS and nesC under Berkeley
  mote platform.
• To have hands-on experience on sensor data
  acquisition in real environment.
• To validate developed analytical models for
  network performance measurement.
• To enhance and optimize algorithms and
  protocols developed based on the hands-on
  experience achieved.

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• System Capabilities
• Heterogeneous sensing acoustic vibration.
• Integrated RF ID readers with the system.
• Can differentiate between multiple RF ID tags
  and identify the associated objects.
• Performs multi-hop routing.
• Performs data aggregation.
• Energy aware efficient algorithms nodes are in
  sleep/idle mode when not activated.

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System Architecture
Sensor Network (front-end)
User Side (back-end)
Graphic ViewerControl UI(User Interface)
SerialForwarder
SensorNode
SensorNode
. . . .
N deployed Sensors
Data Sink
CPU
MEM
ADC
SENOR
POWER
ADC Analog Digital Converter

• Graphic Viewer Control UI Displays the
  virtual network topology and signals detected by
  acoustic and motion sensors.
• Serial Forwarder Monitors serial port of PC to
  collect incoming raw data.
• Data Sink Destination of sensed data where
  aggregation takes place.
• Sensor Node Senses acoustic, vibration (or
  temperature/ seismic) signals and serve as a
  router to forward incoming sensed data directed
  to the data sink.
• RF ID Reader Reads RF ID tags and sends to the
  BS.

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Mote Description Signal Sources
Secure Infrastructure
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Methodology

• Deployment
• Acoustic sensors RF ID tag readers are
  deployed near the entrance.
• Motion/Acoustic sensors are deployed inside the
  surveillance area.

• Acoustic Sensors
• Detect sound intensity, activate the motion
  sensors routes data.
• Motion Sensors
• Detect vibration intensity forward their own
  data and acoustic sensors data to the aggregator.

• Aggregator
• Aggregates received acoustic motion signal
  intensities passes to the BS.
• BS checks RF ID tag aggregated value against
  user specified conditions and take appropriate
  actions.

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A Simple Scenario

• Objects carrying RF ID tags enter the room and
  possibly make some sound.
• Certain RF ID tags are marked as black-listed.

• Sensors measure acoustic vibration signals.
• RF ID readers read the tags (can differentiate
  among multiple tags).

• System raises alarm when
• RF ID tag is black-listed
• Measured signal is more than a threshold and RF
  ID tag is absent

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Development Test bed
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Thank You!