Feifei Gao,  Ph.D.

Associate Professor

Institute of Information Processing

Department of Automation, Tsinghua University, Beijing 100084, China

Tel: +86 (10) 6279 4138

Email: feifeigao@tsinghua.edu.cn

 Education

Ph. D. in Electrical and Computer Engineering, National University of Singapore, 2007

M.Sc in Electrical and Computer Engineering, McMaster University, Canada, 2004

B.Eng in Information and Communication Engineering, Xi’an Jiaotong University, China, 2002

  Working Experience

Associate Professor, Tsinghua University, 2010 -

Assistant Professor, International University of Bremen, Germany, 2009 - 2010

Research Fellow, Agency for Science, Technology and Research, Singapore

  Expertise and Research Interests

Communication theory, signal processing for communications, array signal processing, and convex optimizations, with particular interests in MIMO techniques, multi-carrier communications, cooperative communication, cognitive radio networks, and resource allocation

  Academic/Social Activities and Memberships

Member of IEEE Communication Society

Technical Program Committee Co-Chair:

    IEEE International Conference on Wireless Communications, Networking and Information Security (WCNIS), 2010

Technical Program Committee Memberships:

    IEEE International Conference on Communications (ICC), 2008, 2009, 2010, 201, 2012

    IEEE Global Telecommunications Conference (GLOBECOM), 2008, 2009, 2010, 2011

    IEEE Vehicular Technology Conference (VTC), 2008, 2009

    IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), 2009

    IEEE International Conference on Communication Systems (ICCS), 2008, 2010

Conference Session Chairs:

    IEEE International Conference on Communications (ICC), 2008, 2009

    IEEE Vehicular Technology Conference (VTC), Spring, 2008

   Grants and Contracts / Research Projects

German Research Foundation (DFG), Principle Investigator, 2010 -2012,  €150,000

   Honors and Awards

Best Paper Award, IEEE WCSP, 2010

DAAD Conference Grant for Young Researcher, IEEE ICC, 2009

IEEE Region 10 Graduate Student Paper Contest (Singapore Session), Third Prize, 2007

IEEE Student Travel Grant to IEEE WCNC, 2006

   Academic Achievements

Selected Publications

Z. Wang, W. Chen, F. Gao, and J. Li, “Capacity Performance of Relay Beamformings for MIMO Multi-Relay Networks with Imperfect R-D CSI at Relays,” to appear in IEEE Trans. Veh. Technol.

G. Wang, F. Gao, W. Chen, and C. Tellambura, “Channel Estimation and Training Design for Two-Way Relay Networks in Time-Selective Fading Environments,” to appear in IEEE Trans. Wireless Commun.

H. Zhu, W. Chen, B. Li, and F. Gao, “A Fast Recursive Algorithm for G-STBC,” to appear in IEEE Trans. Commun.

G. Wang, F. Gao, Y.-C. Wu, and C. Tellambura, “Joint CFO and Channel Estimation for OFDM Based Two-Way Relay Networks,” IEEE Trans. Wireless Commun.,vol. 10, no. 2, pp. 456-465, Feb. 2011.

T. Cui, F. Gao, and A. Nallanathan, “Optimization of Cooperative Spectrum Sensing in Cognitive Radio,” to appear in IEEE Trans. Veh. Technol.

H. Zhu, W. Chen, B. Li, and F. Gao, “An Improved Square-root Algorithm for V-BLAST Based on Efficient Inverse Cholesky Factorization,” IEEE Trans. Wireless Commun., vol. 10, no. 1, pp. 43-48, Jan. 2011.

T. Cui, J. Tang, F. Gao, and C. Tellambura, “Moment-based Parameter Estimation and  Blind Spectrum Sensing for Quadrature Amplitude Modulation,” IEEE Trans. Commun., vol. 59, no. 2, pp. 613-623, Feb. 2011.

G. Wang, F. Gao, X. Zhang, C. Tellambura, “Superimposed Training Based Joint CFO and Channel Estimation for CP-OFDM Modulated Two-Way Relay Networks,” EURASIP Journal on Wireless Communications and Networking, special issue on Physical Layer Network Coding for Wireless Cooperative Networks, 2010.

B. Jiang, F. Gao, X.-Q. Gao, and A. Nallanathan, “Channel Estimation and Training Design for Two-Way Relay Networks with Power Allocation,” IEEE Trans. Wireless Commun.,vol. 9, no. 6, pp. 2022-2032, June 2010.

F. Gao, R. Zhang, Y.-C. Liang, and X. Wang, “Design of Learning Based MIMO Cognitive Radio Systems,” IEEE Trans. Veh. Technol., special issue on achievements and the road ahead: the first decade of cognitive radio, vol. 59, no. 4, pp. 1707-1720, May 2010.

K. Cai, X. Li, J. Du, Y.-C. Wu and F. Gao, “CFO Estimation in OFDM Systems under Timing and Channel Length Uncertainties with Model Averaging,” IEEE Trans. Wireless Commun., vol. 9, no. 3, pp. 970-974, Mar. 2010.

R. Zhang, F. Gao, and Y.-C. Liang, “Cognitive Beamforming Made Practical: Effective Interference Channel and Learning-Throughput Tradeoff,” IEEE Trans. Commun., vol. 8, no. 2, pp. 706-718, Feb. 2010.

Y. Rong and F. Gao, “Optimal Relay Matrix for Non-Regenerative MIMO Relays with Direct Link,” IEEE Commun. Lett., vol. 13, no. 12, pp. 928-926, Dec. 2009.

F. Gao, R. Zhang, and Y.-C. Liang, “Channel Estimation for OFDM Modulated Two-Way Relay Networks,” IEEE Trans. Signal Processing, vol. 57, no. 11, pp. 4443-4455, Nov. 2009.

T. Cui, F. Gao, and C. Tellambura, “Differential Modulation for Two-way Wireless Communications: A Perspective of Differential Network Coding at Physical Layer”, IEEE Trans. Commun., vol. 57, no, 10, pp. 2977-2987, Oct. 2009.

F. Gao, R. Zhang, and Y.-C. Liang, “Optimal Channel Estimation and Training Design for Two-Way Relay Networks”, IEEE Trans. Commun., vol. 57, no. 10, pp. 3024-3033, Oct. 2009.

T. Cui, F. Gao, T. Ho, and A. Nallanathan, “Distributed Space-Time Coding for Two-Way Wireless Relay Networks”, IEEE Trans. Signal Processing, vol. 57, no. 2, pp. 658-671, Feb. 2009.

F. Gao, T. Cui, and A. Nallanathan, “Optimal Training Design for Channel Estimation in Decode-and-Forward Relay Networks With Individual and Total Power Constraints”, IEEE Trans. Signal Processing, vol. 56, no. 12, pp. 5937-5949, Dec. 2008.

F. Gao, Y. Wang, and A. Nallanathan, “Improved MUSIC under the Coexistence of Both Non-Circular and Circular Sources”, IEEE Trans. Signal Processing, vol. 56, no.8, pp. 3033-3038, July, 2008.

F. Gao, Y. Zeng, A. Nallanathan, and T. S. Ng, “Robust Subspace Blind Channel Estimation for Cyclic Prefixed MIMO OFDM Systems: Algorithm, Identifiability and Performance Analysis”, J. Select. Areas Commun., vol. 26, no. 2, pp. 378-388, Feb. 2008.

F. Gao, T. Cui, A. Nallanathan, and C. Tellambura,, “Maximum Likelihood Detection for Differential Unitary Space-Time Modulation with Carrier Frequency Offset”, IEEE Trans. Commun., vol. 56, no. 11, pp. 1881-1891, Nov. 2008.

F. Gao, T. Cui, and A. Nallanathan, “Scattered Pilots and Virtual Carriers Based Frequency Offset Tracking for OFDM Systems: Algorithms, Identifiability, and Performance Analysis”, IEEE Trans. Commun., vol. 56, no.4, pp. 619-629, Apr. 2008.

F. Gao, T. Cui, A. Nallanathan, and C. Tellambura, “Maximum Likelihood based Estimation of Frequency and Phase Offsets in DCT OFDM Systems via Non-Circular Sources: Algorithms, Analysis and Comparisons”, IEEE Trans. Commun., vol. 56, no. 9, pp. 1425-1429, Sept. 2008.

F. Gao, T. Cui, and A. Nallanathan, “On Channel Estimation and Optimal Training Design for Amplify and Forward Relay Network”, IEEE Trans. Wireless Commun., vol. 7, no. 5, pp. 1907-1916, May 2008.

F. Gao and A. Nallanathan, “Resolving Multi-Dimensional Ambiguity in Blind Channel Estimation of MIMO-FIR Systems via Block Precoding”, IEEE Trans. Veh. Technol., vol. 57, no. 1, pp. 11-21, Jan. 2008.

F. Gao, A. Nallanathan, and C. Tellambura “Blind Channel Estimation for Cyclic-Prefixed Single-Carrier Systems Exploiting Real Symbol Characteristics”, IEEE Trans. Veh. Technol., vol. 56, no. 5, pp. 2487-2498, Sept. 2007.

F. Gao and A. Nallanathan, “Blind Channel Estimation for OFDM Systems via A Generalized Precoding”, IEEE Trans. Veh. Technol., vol. 56, no. 3, pp. 1155-1164, May 2007.

F. Gao and A. Nallanathan, “Blind Channel Estimation for MIMO OFDM Systems via Non-Redundant Linear Precoding”, IEEE Trans. Signal Processing, vol. 55, no. 2, pp. 784-789, Jan. 2007.

F. Gao and A. Nallanathan, “Identifiability of Data-Aided Carrier Frequency Offset Estimation over Frequency Selective Channels”, IEEE Trans. Signal Processing, vol. 54, no.9, pp. 3653-3657, Sept. 2006.

F. Gao and A. Nallanathan, “Blind Maximum Likelihood CFO Estimation for OFDM Systems via Polynomial Rooting”, IEEE Signal Processing Lett., vol. 13, no. 2, pp. 73-76, Feb. 2006.

F. Gao and A. B. Gershman, “A Generalized ESPRIT Approach to Direction-of-Arrival Estimation”, IEEE Signal Processing Lett., vol. 12, no. 3, pp. 254-257, Mar. 2005.