Wireless Sensor Networks (WSNs)

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Presentation transcript:

Wireless Sensor Networks (WSNs) Supervisor: Dr. Xiaokun Zhang By:Vahid Bahreman

Definitions Embedded sensing enables spatially and temporally dense monitoring of the system under consideration(e.g. an environment, a building, a battlefield). Sensors span several orders of magnitude in physical size. They range from nanoscale(1 to 100nm in diameter) to mesoscopic (100nm to 10,000nm in diameter) and to microscopic scale(10 to 1000um) and the macroscopic scale is at the millimetre-to-meter range.

Why do we care? Companies interested in commercialization, implementation and application of the WSN technology in various industries.

Active Research Areas Current research and development challenge is low power consumption for transmission over low- bandwidth channels and low-power-consumption logic to process and/or compress data. Energy-efficient wireless communications systems are being sought and are typical of WSNs.

A Typical WSN

Typical Sensing Node

Applications Military Applications Environmental applications Health applications Home applications Commercial applications

References [1] Kazeme Sohraby, Daniel Minoli, Taieb Znati(2007). Wireless Sensor Networks. Wiley Interscience. Hoboken, New Jersey. Robert Faludi(2011). Building Wireless Sensor Networks. O’Reilly, Sebastopol, CA.