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TECHNOLOGY

What is a Wireless Sensor Web?

SEAMONSTER is tasked with developing and deploying a smart wireless sensor web. Let us examine for a moment what a smart wireless sensor web is and the various components that make it function.

Look at one of your hands. Each of your fingers houses a large number of neurons, specialized cells that act as sensors. When something touches the tip of your finger, a signal is sent through a network of nerves back to your brain, which processes the signal, then tells your body how to respond. This would be an example of a sensor network. In a sensor web, the neuron that was touched would send a signal not to your brain, but to every other neuron on your hand and let those neurons know what had happened and how to respond. Thus, a sensor network routes information from a sensor back to a central point, whereas a sensor web routes information directly to every other sensor in the web.


A generic wireless sensor web in which data is wirelessly transmitted between each of the components of the web (Source: Delin, 2002).

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Wireless sensor webs are also being outfitted with sophisticated software that grants them a certain level of intelligence and independent decision making capabilities. This software, which is currently under development, allows the components of the sensor webs to be both reactive and proactive in their behavior. The components will be able to respond to measurements that they or other sensors record, as well as develop and implement plans for the future. 

Continue to Wireless Sensor Web Real-World Example

While your neurons and brain are physically wired together with nerves, the SEAMONSTER sensor web uses wireless devices to share data between components. Instead of having long wires running between sensors, the sensors are fitted with radio transmitters that can pass digital data packets to any other component within transmitting range. Wireless communications are preferable because they allows one component to communicate with many other components without the hassle of wiring everything together.
A conceptual view of a large, multi-layer,multi-purpose, wireless sensor web.