Working in his research lab, Andrea Alù is focused on a single objective: Doubling wireless bandwidth. "The final goal is to realize a compact device that can enable full-duplex for wireless communications, transmitting and receiving at the same time on the same frequency channel," says Alù, an associate professor of electrical and computer engineering at University of Texas at Austin.
While the world goes increasingly wireless, data rates continue to play tag-along, always a step or two slower than the speeds emerging apps—and their users—require. As compression and other existing bandwidth enhancement techniques reach their limits, academic researchers worldwide are investigating a variety of technologies and methods that promise to bring wireless broadband up to speed—and beyond—by allowing transmit and receive channels to occupy the same spectrum space.
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