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Comparison of Configuration Options for Utilizing Software-Defined Radio in Undergraduate Electrical Engineering Labs

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Conference

ASEE Southeast Section Conference

Location

Arlington, Virginia

Publication Date

March 12, 2023

Start Date

March 12, 2023

End Date

March 14, 2023

Conference Session

Civil, Electrical, and Eng Tech

Tagged Topic

Professional Engineering Education Papers

Page Count

6

DOI

10.18260/1-2--44993

Permanent URL

https://peer.asee.org/44993

Download Count

71

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Paper Authors

biography

Eve Klopf High Point University

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I'm an Associate Professor in the Department of Electrical and Computer Engineering at High Point University. I earned my PhD in Electrical Engineering at Colorado State University in 2011; my PhD work focused on computational electromagnetics. As faculty, my interests and active projects are in the areas of computational electromagnetics, microwave engineering and engineering education.

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Hilda Goins High Point University, Webb School of Engineering

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Dr. Hilda Goins, an Assistant Professor at High Point University, earned her PhD from North Carolina A&T State University. She has several published articles based on the application of machine-learning to health-related issues. In addition, she has co-authored a book chapter with her postdoctoral professor. Her research interests include engineering education, cybersecurity, and diversity in research.

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Matthew Featherston Eaton High Point University

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In my current role as the Makerspace and Engineering Lab Manager at High Point University, I have the distinct pleasure of assisting both faculty and students in developing custom engineering projects, ranging from embedded systems applications to intelligent robotic systems. I have a huge passion for robotics education, as well as makerspace and engineering lab systems, and it is my continual goal to create safe and inclusive fabrication environments for all those pursuing an engineering education.

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Abstract

As many schools move towards having fewer desktop computer systems available for student use on campus, one challenge being faced by engineering programs is to identify reasonable modifications for engineering lab activities that may involve the use of external devices that are intended to plug into a computer. Especially if these lab activities involve student-developed hardware, less typical software packages or drivers, or external power supplies or amplification, students may experience concern using their personal laptops for these activities. One option with regards to using a software-defined radio (SDR) system is the possibility of using an intermediate computing system in addition to the SDR and the laptop. This paper compares two possible solutions: either using a mini computer with the SDR or else using Matlab’s option to utilize an SDR using a Raspberry Pi with Simulink.

This paper will present a comparison of these two approaches within the scope of lab activities that might be used in an undergraduate class on communications systems in an electrical engineering program. For the first option, a low-cost mini computer with an SDR connected via USB could be used by students in addition to their personal laptops and could either be logged into remotely from the laptop or else could be used with monitors and keyboards available within the laboratory space. Alternatively, the Raspberry Pi could be connected to a laptop via USB; the SDR would be plugged into USB on the Raspberry Pi and run using a Linux executable that is generated using a Simulink model. This paper will present a discussion of benefits and challenges to these two approaches to utilizing an additional low-cost computing system as part of an SDR undergraduate lab activity.

Klopf, E., & Goins, H., & Eaton, M. F. (2023, March), Comparison of Configuration Options for Utilizing Software-Defined Radio in Undergraduate Electrical Engineering Labs Paper presented at ASEE Southeast Section Conference, Arlington, Virginia. 10.18260/1-2--44993

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