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Michelle Ward
Department of Electrical Engineering and Computer Science

Department of Defense issues KU $450,000 technology grant

Tue, 01/14/2014

LAWRENCE — Streamlining communication and improving intelligence-gathering capabilities are the goals of a grant to the University of Kansas from the U.S. Department of Defense. Along with improving troop safety and military operations, KU researchers are developing technology that could pave the way for the next generation of high-speed wireless devices and services. 

Sarah Seguin, assistant professor of electrical engineering and computer science, is the principal investigator on a $450,000 grant that will enable KU to purchase equipment to conduct research on increasing the availability on the currently usable portion of the electromagnetic spectrum. These federally regulated airwaves, which are licensed to cell phone companies as well as radio and TV stations, are in high demand. 

As smartphones and tablets increasingly devour bandwidth, there is a growing need for additional space on the spectrum for high-speed mobile networks. Since regulators cannot create more of this finite resource, they must take it from another user, placing military bandwidth in the cross hairs of reallocation.

 “Military organizations have been one of the largest users of spectrum, with radar in particular using a wide swath of frequencies.  When that technology was first invented, there were not competing interests at these frequencies like there are today. Thus, the research focused more on increasing range and accuracy rather than being spectrally efficient, “ said Seguin, who is an investigator in KU’s Radar Systems and Remote Sensing Lab (RSL). “Our new equipment will help us test and refine concepts regarding spectral efficiency that will benefit both the military as well as private enterprises, such as companies focused on communications.”

Seguin is working with four co-principal investigators: EECS Associate Professors Shannon Blunt and Erik Perrins and EECS Professors Christopher Allen and Ron Hui.

KU researchers are attempting to exploit time, frequency and other variables to maximize data transmission. Think of it as designing a well-packed delivery truck, said Seguin. Different types of independent signals can coexist if packed together just right. This allows the movements of trillions of bytes of data per day, ensuring that traffic flows smoothly with minimal delays.

In addition to maximizing efficiency, KU researchers are attempting to allow radar and wireless communications to share spectrum. Traditionally, the government has allocated swaths for a single purpose, but with advances in technology, many are calling for portions of military spectrum to be open for shared use.  Wireless carriers would be able to use military frequencies, which cover congested urban areas, when vacant to provide Internet broadband or cellular service.

“There are many challenges in this research. First, we need to make sure that we are looking for and exploiting efficiencies in the technology, but not degrading the capabilities in any meaningful way,” said Seguin, an expert in preventing interference among electronic devices, which is the field known as electromagnetic compatibility.  “Our new equipment will allow us to experiment with various techniques and measure their effectiveness. We can recommend them for adoption as well as understand the specific interference and interoperability issues between radar and communications systems with real-world data.” 

Travel to New York and perform on one of the greatest stages in the nation? KU's Wind Ensemble did just that. In March 2013, the University of Kansas Wind Ensemble made the trip of a lifetime to perform the world premiere of composer Mohammed Fairouz’s Symphony No. 4, In the Shadow of No Towers at Carnegie Hall. Tags: University of Kansas Wind Ensemble KU School of Music Carnegie Hall #KUdifference #music #symphony
Journey to Carnegie Hall
One of America’s most esteemed concert bands, the University of Kansas Wind Ensemble, came to Carnegie Hall to introduce a commissioned work with the potential to resonate well beyond the usual college circuit... - New York Times review

Boy with autism benefits from KU student’s undergraduate research Two-year-old Mark’s first haircut in a salon was pretty traumatic. He screamed. He cried. His dad had to restrain him – Mark has autism and a haircut wasn’t part of his routine. But there’s a happy ending. The experience led KU senior Kristin Miller to seek an Undergraduate Research Award (see to develop ways for children with developmental disabilities like Mark to learn how to accept routine health care treatment, such as going to the dentist — or even getting a buzz cut. Watch the video to see why it has been especially rewarding for Miller to help children like Mark.

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