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NEWS
Virginia Tech Receives Awards to Improve Radio Spectrum Usage
January 28, 2013

Cognitive radios, the “intelligent” cell phones and police radios that help determine the best way to operate in any given situation, are becoming the radio platform of the next generation of wireless communications. They are also expected to play a major role in tactical communications for the U.S. Navy and for the Department of Defense, according to Thomas Hou, professor of electrical and computer engineering in the College of Engineering at Virginia Tech.

Left to right, are: Virginia Tech's Wenjing Lou of computer science, Hanif Sherali of industrial and systems engineering, and Thomas Hou of electrical and computer engineering.
Cognitive radios are valued because they will configure to their environment and their user’s needs. The new cognitive radios are similar to living creatures in that they are aware of their surroundings and understand their own and their user’s capabilities and the governing social constraints.

However, a major technical obstacle remains and that is the availability of frequency space on an already crowded wireless array of networks. Hou and his colleagues Wenjing Lou of computer science, and Hanif Sherali of industrial and systems engineering, have proposed some novel solutions for spectrum sharing that may avoid the presence of interference. Alternative network-sharing paradigms like interference cancelling or cooperative sharing might carry more traffic, more efficiently, under certain conditions. Both the National Science Foundation and the Office of Naval Research are funding their work on efficient spectrum sharing.

Find more on this Virginia Tech News Webpage: Virginia Tech engineers awarded $800,000…


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