*Modulation and Coding
MIMO-OFDM
Dirty-paper Coding
Turbo Coding
Wideband CDMA
UWB Detection
*Channel Modelling (multi-carrier, MIMO, UWB and power line communication channels)
*Cross-layer Optimization for Wireless Multimedia Networks
*Digital Watermarking for Information Security
Compressed MultimediaWatermarking
Watermark Attacks and Counter-attacks