Blind Interference Alignment Through Staggered Antenna Switching

Featuring Tiangao Gou

Ph.D. Candidate, Electrical Egnineering and Computer Science

The Henry Samueli School of Engineering, UC Irvine



Free and open to the public



Abstract:

In this talk, we present a blind interference alignment scheme for the vector broadcast channel where the transmitter is equipped with M antennas and there are K receivers, each equipped with a reconfigurable antenna capable of switching among M preset modes. Without any knowledge of the channel coefficient values at the transmitters and with only mild assumptions on the channel coherence structure we show that MK/(M+K-1) degrees of freedom are achievable. The key to the blind interference alignment scheme is the ability of the receivers to switch between reconfigurable antenna modes to create short term channel fluctuation patterns that are exploited by the transmitter. In addition, no channel knowledge at the receivers is required to null the interference.



About the Speaker:

Tiangao Gou received the B.E. degree in Electronic Information Engineering from University of Science and Technology Beijing, China in 2007 and the M.S. degree in Electrical and Computer Engineering from University of California Irvine in 2009. He is currently working toward the Ph.D. degree at UCI. His research interests include network information theory and wireless communication.