Interests My research interests lie in the areas of statistical signal processing, information theory and wireless communication. Some recent projects include: Cognitive Radio Communication      Agile Adaptive Spectrum Sensing for Cognitive Radios      Multiuser Diversity Gain in Cognitive Networks      Cooperative Spectrum Access for Cognitive Radios      Rate Optimization in Multi-antenna Cognitive Radio Networks MIMO Communication      Opportunistic Multi-antenna Broadcast with Finite-rate Feedback      Robust Transmission in Multi-cell Downlink Systems      Distributed Rate Allocation in Gaussian Interference Channels      Joint Target Detection and Parameter Estimation by MIMO Radars Diversity Gain in Frequency Selective Channels      Diversity Gain in ISI Channels with Frequency-domain Equalizers      Diversity Gain in ISI Channels with IIR Linear Equalizers Relay Networks      Opportunistic Cooperation with Finite-rate Feedback      Shared Broadcasting Relay for Multiuser Networks Collaborators      Prof. X. Wang      Prof. G. V. Moustakides      Prof. R. Castro      Prof. A. Nosratinia      Prof. N. Aldhahir      Dr. N. Prasad      G. H. Jajamovich