Date of Award


Document Type


Degree Name

Master of Science in Engineering (MSE)


Electrical and Computer Engineering

Committee Chair

Emil Jovanov

Committee Member

Aleksandar Milenkovic

Committee Member

B. Earl Wells


Sensor networks., Wireless LANs.


Biopotentials are typically small electric signals, on the order of a few microvolts to hundreds of millivolts, produced as the result of cellular electrochemical activity in living organisms. Due to high source impedance, investigation of these small electrical signals typically requires use of clinical equipment or professional data acquisition systems that are large, expensive, and utilize AC mains power. Distributed sensor network applications need a low cost, high resolution wireless sensor, suitable for measuring and logging microvolt-level DC accurate signals from high impedance sources. Issues that must be addressed include processing power, power efficiency, auxiliary data storage, and wireless communication in a small battery operated device. This thesis presents design and an implementation of a high accuracy sensor for distributed wireless sensor network applications.



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