Dept. of Electrical Engineering
The University of Texas at Dallas
Dallas, TX 75083
Low-Complexity receivers for CDMA, MC-CDMA Systems, and OFDM-CDMA Systems
Wideband smart antenna testbed development
RF & Advanced Mixed Signal Integrated Circuits for Wireless Communications
Vector Channel Modeling for smart antenna systems
Radio Resource Management in Space Division Multiple Access Networks
Real-Time Signal Processing for Wireless Basestations and terminals
The University of Texas
at Austin Austin, TX.
Doctor of Philosophy in Electrical and Computer Engineering, August, 1999.
Dissertation title:"Estimation and Capacity of Channels in Smart Antenna Wireless Communication Systems", in Postscript and PDF Formats
Advisors: Profs.Guanghan Xu and Brian L. Evans.
University , Ankara, TURKEY.
Bachelor of Science in Electrical and Electronics Engineering, July 1992.
Professor, The University of Texas at Dallas, Richardson, TX, 9/14-present
Associate Professor, The University of Texas at Dallas, Richardson, TX, 9/05-8/14
Conducted an experimental research and education program in wireless communication systems. Teach undergraduate and graduate courses in electronic circuits/wireless communications/real-time DSP. Directed Wireless Information Systems Lab.
Held a visiting scholar position at University of California Berkeley in summer/fall of 2008.
Taught Introduction to Wireless Communications Systems and Signaling and Coding for Wireless Communications Systems (graduate courses) which cover principle, practice, system overview of mobile systems, modulation,demodulation, coding, encoding, multiple-access techniques., and performance characterization of mobile systems. Taught Probability and Random Processes and Signals and Systems (undergraduate courses).
Developed a new course: DSP-Based Design Project (senior design project course) trains students in digital communications systems, real-time digital signal processing algorithms, and programmable digital signal processors. Students design and build DSP-based systems in software using a digital signal processing board and tools.
Developed theory, fast algorithms, and multi-user channel and symbol estimation algorithms for wireless communications applications. Applications include TDMA, W-CDMA, MC-CDMA, and smart antenna systems.
Conducting doctoral research in code-division-multiple-access (CDMA) and orthogonal-frequency-division-multiplexing (OFDM) systems using smart antenna arrays. Conducting experiments for modeling of vector channel models.
Led a multi-national Research and Development group to standardize 3rd generation wireless communication technology under International Telecommunication Union (IMT-2000) and to evaluate the proposal for the new generation wireless communications standard, TD-SCDMA (Time Division Synchronous Code Division Multiple Access using Smart Antenna), submitted by China. Developed algorithms and simulations for wireless Internet based on smart antenna, CDMA, and OFDM systems. Conducted experiments, developed algorithms, and implemented C++ programs for cell-specific smart antenna coverage and probing beampatterns.
Created algorithms, simulations, and DSP programs for effective carrier tracking and timing correction for real-time synchronous-CDMA Systems.
Created and integrated real-time DSP algorithms for wireless modems in fixed group terminals for Cwills wireless local loop system. Implemented group 3 facsimile function for the wireless local loop system.
Created algorithms and simulations for channel estimation in TDMA and asynchronous-CDMA with Smart Antenna Systems. Graded tests, prepared computer projects, maintained records, and tutored students in the Wireless Communications co urse.
Graded tests, prepared computer projects, maintained records, and tutored students in Advanced Signal Processing course. Created algorithms and simulations for Smart Antenna Systems using different protocols such as TDMA and CDMA.
Prepared multimedia presentations for the Introduction to Telecommunications course. Designed smart antenna wireless system experiments and extended or modified algorithms to be implemented in wireless communica tions.
Designed and implemented digital and IF circuitry for smart antenna wireless communication testbed, which was the first smart antenna testbed among US Universities.
1998 Texas Telecommunications Engineering Consortium (TxTEC) Fellowship
MEMBERSHIPS IN PROFESSIONAL SOCIETIES
Senior Member, Institute of Electrical and Electronics Engineers (IEEE)
Member in three IEEE Societies: Signal Processing, Communications, Information Theory
REFEREED JOURNAL ARTICLES
REFEREED CONFERENCE PAPERS
July 23, 2004, “Design Trade-offs in Multiple Antenna Uplink OFDM Systems,” Texas Instruments, Inc. Dallas, TX
Feb. 23, 2004, “Smart Antennas for Wireless Communications,” UTD Day at TI, Texas Instruments, Inc. Dallas, TX
Dec. 17, 2003, “Beamforming for Wireless Communications with Applications to Cellular OFDM,” UTD/TI meeting, Richardson, TX
August 2002, “OPNET Simulation of Random Access CDMA Networks,” OPNETWORK 2002, Washington, D.C.
June, 2002, “Beam-Space Time Coding for Wireless Communications,” Texas Instruments, Inc., Dallas, TX
September 19, 2001, “Smart Antennas for Wireless Communications,” IEEE Microwave Theory and Techniques (MTT) Chapter Meeting, Dallas, TX,
Aug. 6, 2001, “A Reduced Rank Decorrelating RAKE Receiver for CDMA Communications over Frequency Selective Fading,” IEEE Statistical Signal Processing Workshop, Singapore,
Feb. 8, 2001, “Low Complexity Receivers for CDMA Communications, ” Texas Instruments, Inc., Dallas, TX
Nov. 18, 2000, "Blind Multiuser Detection for CDMA Signals in Multipath Channels,”Texas Systems Day 2000, Austin, TX
Feb. 9, 2000, “Signal Processing Solutions for Advanced Wireless Networks and Telecommunications,” LSI Logic, Plano, TX
June 9, 2000, "A self-recovering RAKE recever for asynchronous CDMA systems," IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Istanbul, Turkey.
September 11, 1999, "Blind channel estimation techniques for CDMA systems," Texas System Day, College Station, TX.
June 7, 1999, "Blind channel estimation techniques for CDMA systems," University of Illinois at Chicago, Chicago, IL.
May 3, 1999, "Signal processing for next-generation wireless communication systems," University of Texas at Dallas, Dallas, TX.
April 16, 1999, "Signal processing for next-generation wireless communication systems," University of Utah, Salt Lake City, UT.
April 2 , 1999, "Signal processing for next-generation wireless communication systems," University of Massachusetts, Amherst, MA.
March 7, 1999, "Signal processing for next-generation wireless communication systems," Duke University, Durham, NC.
November 2, 1998, "A capacity measure for space-division-multiple-access channels," IEEE Asilomar Conf. On Signals, Systems, and Computers, Pacific Grove, CA.
October 26, 1998, "Array Signal Processing," ; UT Austin, Signal and Image Processing Seminar, The University of Texas at Austin, Austin, TX.
October 15, 1998, "Signal Processing for Wireless Basestations", Wireless Communications Laboratory Seminar, Texas A&M University, College Station, TX.
June 15, 1998, "Estimation and Capacity of Channels in Smart Antenna Wireless Communication Systems," Signal and Image Processing Seminar, The University of Texas at Austin, Austin, TX.
November 2, 1996,``Optimal weight vectors for broadcast channels,'' IEEE Asilomar Conf. on Signals, Systems and Computers, Pacific Grove, CA.
November 2, 1996,``Maximum likelihood detection of co-channel communication signals exploiting the spatio-temporal diversity,'' IEEE Asilomar Conf. on Signals, Systems and Computers, Pacific Grove, CA
June 24, 1996, ``An improved signature waveform approach exploiting pulse shaping information in synchronous CDMA systems,'' IEEE Int. Conf. on Communications, Dallas, TX.
May 8, 1996, ``A self-recovery scheme in anti-jamming communications,'' IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Atlanta, GA.
January 17, 1996, "Performance of CDMA smart antenna systems," Southwestern Bell, Austin, TX.
November 1995, "Performance of CDMA smart antenna systems,'' IEEE Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA.
Mathematical languages: Mathematica, MATLAB
Other high-level languages: C, C++, Pascal, Fortran
Assembly languages: Texas Instruments TMS320C3X/C5X/C6X, Motorola 56000
Design tools: Spice, SIMULINK
Employed as Assembly Programmer
Administered Unix Systems