Electrical
Engineering students taking electromagnetics at the
undergraduate level often come away with the impression that the topic is
abstract, mathematical, and will be of little practical use to them. Even after
taking two semesters of the subject, students are often not able to see how
what they have learned will help them design interesting products or systems.
In contrast, after taking one or two semesters of subjects such as analog
circuits, digital circuits, or control systems, a student can design and build
a wide variety of interesting circuits and systems using widely available
components. This difference in experience can be a factor discouraging students
from further studies in electromagnetics.
One type of
electromagnetic component that is
practical for students to design and build is an antenna. Further, antennas are becoming increasingly important
because of the explosion of wireless devices. Antennas can be simulated and
analyzed using readily available design software, and can be made using
techniques such as elements printed on circuit boards, and metal and dielectric
parts that can be cut and assembled with hand tools.
Many
Electrical Engineering programs already offer courses on antennas. These
courses predominantly use software for antenna design and analysis, with few offering
project courses to actually build and test antennas. A primary reason for not
building antennas as part of a course is that some type of antenna range is needed to measure the radiation pattern of an
antenna, and only a relatively small number of universities have such a
facility. Further, many of the facilities that do exist are dedicated to
research and generally not available for course use.
We are
constructing an indoor antenna range within an anechoic chamber that is large
enough to characterize the types of antennas that are suitable for personal
electronic devices in the frequency bands between 1 and 18 GHz. Using the
internet and suitable planning and scheduling arrangements, this facility will
be made available for use in antenna project courses throughout the country,
and potentially throughout the world. We refer to this proposed facility as the
Remote Educational Antenna Laboratory,
or REAL. We anticipate that this facility will play an important role in
educating engineers with the knowledge needed by the wireless
industry—particularly students at institutions with limited resources—and help
to invigorate undergraduate courses in engineering electromagnetics
by providing timely, hands-on applications through antenna design. The
laboratory is being developed in collaboration with
For further
information contact:
Dan Stancil, stancil@cmu.edu
For more
information on CMU Remote Laboratory Projects:
http://www.ece.cmu.edu/~stancil/remote-lab
The project is
sponsored by the National Science Foundation.