Published: Apr 16, 2009 4:34:00 PM
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Ali Khayrallah, director of Ericsson Research in Research Triangle Park, N.C., will provide an overview of the Long Term Evolution (LTE) standard for mobile communications in a seminar on Tuesday, April 21 at 4 p.m. in 235 Broun Hall.
LTE has been adopted as the next mobile technology by major operators throughout the world. It is the next big step in the 3GPP standard, following GSM and WCDMA and is a merging point with the 3GPP2 standard, following CDMA. The seminar will provide an overview of LTE, focusing on the key technical features of the uplink and the downlink, in particular their physical layers. It will also cover key features of the major step to follow LTE, called LTE-advanced. In addition, basics of the standardization process, where various interested parties participate to shape the eventual standard, will be discussed. Standards are crucial to the mobile business, since they enable terminals and infrastructure from various vendors to interact properly across operators and locations.
Khayrallah's group works on projects in current and future cellular systems. He has been in various research positions with Ericsson since 1995. Previously, he was assistant professor in the Electrical Engineering Department at the University of Delaware. His interests are in research and technology for wireless communications. He holds a master's degree and doctorate from the University of Michigan - Ann Arbor, and a bachelor's degree in engineering from the American University of Beirut. He holds more than 50 US patents and has published more than 50 technical papers. Khayrallah received the Ericsson Inventor of the Year award in 2001.