Iranian American researchers revolutionize Internet and data technology
Independent Aggregator of Iran-related News/Events, Kodoom.com: A novel, high-frequency electronic chip potentially capable of transmitting tens of gigabits of data per second — a rate that is orders of magnitude above the fastest internet speeds available today — has been developed by Omid Momeni, an Iranian American assistant professor of electrical and computer engineering at the University of California, Davis, and his doctoral graduate student, Hossein Jalili, also an Iranian, using a phased array antenna system. Phased array systems funnel the energy from multiple sources into a single beam that can be narrowly steered and directed to a specific location.
"Phased arrays are pretty difficult to create, especially at higher frequencies," Momeni said. "We are the first to achieve this much bandwidth at this frequency ... Theoretically, 4G cellular networks have reached their data rate limit. As we continue to migrate to systems like cloud computing and next generation cellular networks, the need for speed is growing. Higher frequencies mean more bandwidth and more bandwidth means higher data rate."
The chip prototyped by Momeni and Jalili successfully operates at 370 GHz with 52 GHz of bandwidth. For comparison, FM radio waves broadcast between 87.5 and 108 MHz; 4G and LTE cellular networks generally function between 800 MHz and 2.6 GHz with up to 20 MHz of bandwidth. The tiny piece of hardware designed by Momeni and Jalili is evidence that it is possible to harness the large available bandwidth at millimeter-wave and terahertz bands on a single, compact chip. This is an important step toward the development of scalable systems that can be used to sharpen technologies like spectroscopy, sensing, radar, medical imaging and high-speed communication.
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