Research Interests

General Area

Wireless Communications (PHY Layer)

• Wireless Networks and Protocols (Higher Layers)

Current Focus Areas

• Next Generation Modulation Schemes for 6G and Beyond

• Zak-OTFS Modulation for High-Mobility/High-Doppler Channels

• Machine Learning in Wireless PHY Layer Design

• Reconfigurable Intelligent Surfaces

• Waveforms for Radar Sensing

• Visible Light Wireless Communications

Past research

• Low-Complexity Wireless Communication in Large Dimensions

• Detection in Large-Scale MIMO Systems

• Equalization in Severely Delay Spread MIMO-UWB ISI Channels

• Joint Detection/Channel Estimation/Decoding

• Application of Probabilistic Graphical Models in Communications

• Communication in Fading Channels

• MIMO-OFDM, OFDMA

• Cognitive Radio

• Cooperative Communications

• Space-Time/Frequency Signal Processing

• Design and Analysis of CDMA Systems

• CDMA with Higher-Order Modulation

• Interference Cancellation in CDMA

• Multicarrier DS-CDMA

• Energy Conscious Communications (Protocols) in Wireless

• Cross-layer Designs in Wireless Networks

• Wireless Ad-hoc and Sensor Networks