Fatemeh Fazel
![Education:
Ph.D., Electrical Engineering, University of California Irvine, CA
Minor: Mathematics
M.Sc., Electrical Engineering, University of Southern California, CA
B.Sc., Sharif University of Technology, Tehran, Iran
Research Interests:
My research interests are mainly in the fields of Space-Time coding, signal processing techniques for multiple antenna systems, and applications of game theory in wireless networks.
Publications:
1. Preuss, R. D., Fazel, F. and Brown III, D. R.,``Two-Way Synchronization for Coherent Coordinated Multi-Cell Downlink Transmission," submitted to IEEE Journal on Selected Areas in Communications.
2. Fazel, F. and Brown III, D. R., ``On the Endogenous Formation of Energy Efficient Cooperative Wireless Networks," submitted to IEEE Transactions on Wireless Communications.
3. Fazel, F. and Brown III, D. R., ``On the Endogenous Formation of Energy Efficient Cooperative Wireless Networks," in Proceedings of the Forty-Seventh Annual Allerton Conference on Communication, Control, and Computing, Sept. 2009.
4. Fazel, F., Grau, A., Jafarkhani, H. and De Flaviis, F., ``Space-Time-State Block Coded MIMO Communication Systems Using Reconfigurable Antennas,'' to appear in IEEE Transactions on Wireless Communications.
5. Fazel, F. and Jafarkhani, H., ``Quasi-Orthogonal Space-Frequency and Space-Time-Frequency Block Codes for MIMO OFDM Channels". IEEE Transactions on Wireless Communications, vol. 7, pp. 184-192, Jan. 2008.[Download]
6. Fazel, F., Grau, A., Jafarkhani, H. and De Flaviis, F., ``State-Selection in a Space-Time-State Block Coded MIMO Communication System Using Reconfigurable PIXEL Antennas," in Proceedings of IEEE Global Communications Conference (Globecom) 2008.[Download]
7. Fazel, F., Grau, A., Jafarkhani, H. and De Flaviis, F., ``Space-Time Block Coded Reconfigurable Multiple-Input Multiple-Output Communication Systems," in Proceedings of IEEE Wireless Communications &
Networking Conference (WCNC) 2008.[Download]
8. Fazel, F. and Jafarkhani, H., ``Quasi-Orthogonal Space-Frequency
Block Codes for MIMO OFDM Channels," in Proceedings of IEEE International Conference on Communications (ICC) 2006.[Download]
9. Ekbatani, S., Fazel, F. and Jafarkhani, H., ``Space-Time Coding with Covariance Beamforming for Mobile Transceivers in Block Fading Channels," in Proceedings of IEEE Wireless Communications & Networking Conference (WCNC) 2006.
10.Yousefi'zadeh, H., Fazel, F. and Jafarkhani, H., ``Hybrid Unicast and Multicast Flow Control: A Linear Optimization Approach," in Proceedings of IEEE/IEE High Speed Networks and Multimedia Communications (HSNMC) 2004.[Download]
Patent:
Space-Time-State Block Coded MIMO Communication System Using Reconfigurable Antennas (Provisional)
Ph.D. Dissertation:
Advisor: Professor Hamid Jafarkhani
Dissertation Title: Designing Three Dimensional Block Codes for MIMO Communication Systems
Abstract of Dissertation:
A major technical challenge in wireless communications is to improve the error performance of the system while maintaining low implementation complexity. A wireless communication channel generally offers multiple sources of diversity such as space, frequency, time, channel propagation state, polarization. etc. However, most existing diversity techniques exploit only one of the various diversity resources of a wireless channel. In this talk, we consider the design of a block code for MIMO wireless systems that is capable of jointly extracting multiple sources of diversity therefore improving the error performance further while keeping the decoding complexity low. The proposed coding scheme is referred to as 3D block code because it essentially codes across three dimensions of the channel. This simple scheme achieves full diversity and offers rate-one transmission. The 3D block code can be applied to various wireless communication channels that offer two sources of diversity. Two examples of such systems are MIMO-OFDM and Reconfigurable MIMO systems that are discussed in the dissertation.
For MIMO-OFDM, we design Space-Frequency and Space-Time-Frequency block codes that outperform the existing block codes in terms of performance and decoding complexity. These coding schemes are referred to as Quasi-Orthogonal Space-Frequency and Quasi-Orthogonal Space-Time-Frequency block codes due to the quasi-orthogonal structure of the underlying code.
Reconfigurable antennas offer a promising solution for deployment in handset devices. We derive the maximum diversity gain offered by a reconfigurable MIMO system. Moreover, we propose schemes on how to extract such maximum diversity gains when the transmitter, the receiver, or both side of the communication system employ reconfigurable antennas. Furthermore, tradeoffs of the system in terms of decoding delay, decoding complexity and performance are discussed. To provide a more realistic measure of our proposed schemes, we perform simulations based on two practical reconfigurable antennas.](Welcome_files/shapeimage_1.png)
Address:
WPI ECE Department,
100 Institute Rd
Worcester, MA 01609
Email:fazel (at) uci (dot) edu
I graduated with a Ph.D. degree in EECS from theUniversity of California Irvine. I worked with Professor Hamid Jafarkhani. Currently, I am a postdoctoral scholar atWorcester Polytechnic Institute.
