* Compressive sensing theory and related applications in wireless sensor networks and image processing;
* PHY layer signal processing, algorithm design and optimization for wireless systems.

1. Wei Chen, Miguel R. D. Rodrigues, Ian Wassell, "Projections Design For Statistical Compressive Sensing: A Tight Frame Based Approach," IEEE Transactions on Signal Processing, vol. 61, no. 8, pp. 2016 - 2029, Apr 2013

2. Wei Chen, Miguel R. D. Rodrigues, Ian Wassell, "A Frechet Mean Approach for Compressive Sensing Date Acquisition and Reconstruction in Wireless Sensor Networks," IEEE Transactions on Wireless Communications, vol. 11, no. 10, pp. 3598 -3606, Oct 2012

3. Wei Chen, Miguel R. D. Rodrigues, Ian J. Wassell, "On the Benefit of using Tight Frames for Robust Data Transmission and Compressive Data Gathering in Wireless Sensor Networks," IEEE International Conference on Communications (ICC), Jun 2012

4. Wei Chen, Miguel R. D. Rodrigues, Ian J. Wassell, "Optimized Projections for Sensing Sparse Signals in Overcomplete Dictionaries," The 37th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Mar 2012

5. Wei Chen, Miguel R. D. Rodrigues, Ian J. Wassell, "On the Use of Unit-Norm Tight Frames to Improve the Average MSE Performance in Compressive Sensing Applications," IEEE Signal Processing Letters, vol. 19, pp. 9-11, Jan 2012

6. Wei Chen, Ian J. Wassell, "Energy Efficient Signal Acquisition in Wireless Sensor Networks: A Compressive Sensing Framework," IET Wireless Sensor Systems, 2012

7. Wei Chen, Miguel R. D. Rodrigues, Ian J. Wassell, "Distributed Compressive Sensing Reconstruction via Common Support Discovery," IEEE International Conference on Communications (ICC 2011), Kyoto, Japan, Jun 2011

8. Wei Chen, Miguel Rodrigues, Ian Wassell, "Penalized L1 Minimization for Reconstruction of Time-varying Sparse Signals," The 36th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Prague, Czech Republic, May 2011

9. Wei Chen, Ian J. Wassell, "Energy Efficient Signal Acquisition via Compressive Sensing in Wireless Sensor Networks," The 6th IEEE International Symposium on Wireless and Pervasive Computing (ISWPC 2011), Hong Kong, China, Feb 2011