Mr. Jose I. Rivera Profile

Jose I. Rivera

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Proceedings Article | 12 May 2006 Paper

Study of wireless communication between MEMS sensing nodes

José Rivera, Mohamed Saafi, Kaveh Heidary

Proceedings Volume 6248, 62480Z (2006) https://doi.org/10.1117/12.662293

KEYWORDS: Sensors, Cell phones, Microelectromechanical systems, Humidity, Wireless communications, Metals, Neural networks, Sensor networks, Cements, Environmental sensing

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Wireless sensors networks are currently being used in different engineering fields such as civil, mechanical and aerospace engineering for damage detection. Each network contains approximately hundreds to thousands of MEMS sensors that communicate to its base station. These sensors are placed in different environments and locations that create changes in their output due to obstacles or interference between them and their base station. A research study was conducted on wireless MEMS sensor nodes to evaluate the noise level and the effect of environmental interferences as well as their maximum distance communication. In this paper, the effect of interference environments and obstacles such as magnetic field created by electricity and cell phone communications, concrete and metal enclosures, and outside/inside environments were evaluated. In addition, a neural network computer simulation was developed to learn and teach the users what it takes to classify signals such as time, amount of samples and overtraining in order to obtain the correct output instead of an unknown. By gathering all this information it helps to save money and time in any application wireless MEMS sensors are used and idealized models and pictures of communication paths have been created for easier evaluation of the MEMS sensor networks.

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