Murat Torlak
Dept. of Electrical Engineering
The University of Texas at Dallas
Dallas, TX 75083

E-mail: torlak@utdallas.edu
Web: http://www.utdallas.edu/~torlak
Work: +1-972-883-4624

Research Areas

• 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

Education

• 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.

• The University of Texas at Austin, Austin, TX.
  Master of Science in Electrical and Computer Engineering, December, 1995.
  Master thesis: "Smart Antennas in CDMA Systems"
  Advisor: Prof. Guanghan Xu.

• Hacettepe University , Ankara, TURKEY.
  Bachelor of Science in Electrical and Electronics Engineering, July 1992.

Experience

• 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.

• Assistant Professor, Dept. of EE, UT Dallas, Richardson, TX, 09/99-08/05

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.

• Research Assistant, The University of Texas at Austin, Austin, TX, 9/98-8/99

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.

• Principal Engineer, CWILL Telecommunications Inc., Austin, TX, 6/98-9/98

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.

• Research Assistant, Electrical Engineering Research Lab, Austin, TX, 9/97 - 5/98

Created algorithms, simulations, and DSP programs for effective carrier tracking and timing correction for real-time synchronous-CDMA Systems.

• Software/Design Engineer, CWILL Telecommunications Inc., Austin, TX. 6/97-8/97

Created and integrated real-time DSP algorithms for wireless modems in fixed group terminals for Cwill’s wireless local loop system. Implemented group 3 facsimile function for the wireless local loop system.

• Research/Teaching Assistant, The University of Texas at Austin, Austin, TX, 1/96-5/97

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.

• Research Assistant/Grader, The University of Texas at Austin, Austin, TX, 9/95-12/95

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.

• Teaching Assistant/ Research Assistant, The University of Texas at Austin, Austin, TX, 9/94-8/95

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.

• Research Assistant, Electrical Engineering Research Lab, Austin, TX, 12/93-8/94

Designed and implemented digital and IF circuitry for smart antenna wireless communication testbed, which was the first smart antenna testbed among US Universities.

AWARDS

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

1. A. Ali, C. M. Yetis, and M. Torlak, "Novel Expressions and Applications for the Level Crossing Rate of Maximal Ratio Combining in the Presence of Cochannel Interferers," accepted, IEEE Trans. on Vehicular Technology.
2. S. M. Patole, M. Torlak, D. Wang, and M. Ali, "Automotive Radars: A review of signal processing techniques," IEEE Signal Processing Magazine, vol. 34, no. 2, pp. 22-35, March 2017.
3. Hu, Y. Hu, J. P. Fonseka, Y. Bo, E. M. Dowling, and M. Torlak, "Constrained turbo product and block-convolutional codes in wireless applications," IEEE Trans. on Vehicular Technology , vol. 66, no. 5, pp. 4491--4495, May 2017.
4. J. Yuan and M. Torlak, "Joint CFO and SFO Estimator for OFDM Receiver Using Common Reference Frequency," IEEE Trans. on Broadcasting vol. 62, no. 1, pp. 141-149, Jan. 2016
5. A. K. Desiraju, M. Torlak, and M. Saquib, "Multiple Attempt Decoding of Convolutional Codes Over Rayleigh Channels," IEEE Trans. on Vehicular Technology , vol. 64, no. 8, Aug. 2015, pp. 3426-3439.
6. J. Yuan and M. Torlak, "Modeling and Estimation of Transient Carrier Frequency Offset in Wireless Transceivers," IEEE Trans. on Wireless Communications , vol. 13, no. 7, July 2014, pp. 4038-4049.
7. A. T. Koc, S. C. Sha, R. Vannithamby, and M. Torlak, "Device Power Saving and Latency Optimization for Emerging Mobile Applications in LTE-A Networks through DRX Configuration," IEEE Trans. on Wireless Communications, vol. 13, no. 5, pp. 2614-2625, May 2014.
8. S. Patole and M. Torlak, "Two Dimensional Array Imaging with Beam Steered Data," IEEE Trans. On Image Processing , vol. 22, no. 12, pp. 5181-5189, Dec. 2013.
9. S. Ozyurt and M. Torlak, "Exact joint distribution analysis of zero-forcing VBLAST gains with greedy ordering," IEEE Trans. Wireless Communications pp. 5377 - 5385, vol. 12, no. 11, Nov. 2013.
10. S. Ozyurt and M. Torlak, "Unified performance analysis of orthogonal transmit beamforming methods with user selection," IEEE Trans. On Wireless Communications, vol. 12, no. 3, pp. 1026-1037, March 2013
11. S. Ciftci and M. Torlak, "A Comparison of Energy Detectability Models for Cognitive Radios in Fading Environments," Wireless Personal Communications. vol. 68, no. 3, pp 553-574, Feb. 2013
12. S. Ozyurt and M. Torlak, "Performance Analysis of Optimum Zero Forcing Beamforming with User Selection," IEEE Communication Letters. vol. 16, no. 4, pp. 446-449, Apr. 2012
13. D. Kim, V. Gopalakrishna, S. Guo, H. Lee, M. Torlak, N. Kehtarnavaz, A. Lobo, and P. Loizou, "On the Design of a Flexible Stimulator for Animal Studies in Auditory Prostheses," Journal of Biomedical Signal Processing and Control, vol. 6, no. 4, Oct. 2011, pp. 346.355.
14. A. Morshedi and M. Torlak, "Measured Comparison of Dual-Branch Signaling over Space and Polarization Diversity," IEEE Trans. On Antennas and Propagation, pp. 1678-1687, vol. 59, no. 5, May 2011
15. D. Kim and M. Torlak, "Optimization of Interference Alignment Beamforming Vectors," IEEE Journal on Selected Areas in Communications, vol. 28, no. 9, Dec. 2010.
16. O. Ozdemir and M. Torlak, "Optimum Feedback Quantization for an Opportunistic Beamforming Scheme," IEEE Trans. on Wireless Communications , vol 9, no. 5, pp. 1584-1593, May 2010.
17. O. Jegbefume, M. Saquib and M. Torlak, "Performance Analysis of Spread Spectrum Protocols with Adaptive Spreading, IEEE Transactions on Wireless Communications , vol. 9, no. 3, March 2010, pp. 1063-1073
18. O. Ozdemir and M. Torlak, "Opportunistic Beamforming over Rayleigh Channels with Partial Side Information," IEEE Trans. On Wireless Communications, vol. 7, No. 9, pp. 3417-3427, Sept. 2008.
19. A. Kavak, M. Karakoc, M. Torlak, C. Ozdemir, "Interference analysis and capacity for forward link 3G CDMA network with adaptive antennas," Wireless Communications and Mobile Computing, vol. 8, no. 4, pp. 531-543, May 2008.
20. D. Paik, R. M. Golden, M. Torlak, and E. M. Dowling, "Space-Time Blind Adaptive Processing with Block Shanno Constant Modulus Algorithms," IEEE Trans. on Signal Processing , vol. 54, no. 5, pp. 1956-1959, May 2006
21. M. Z. Ali and M. Torlak, "Packet Combining with Adaptive Retransmission Control in DS-CDMA Random Access Networks," IEEE Communications Letters, vol. 8, no. 11, pp. 659 – 661, Nov. 2004.
22. O. Ozdemir and M. Torlak, "Reduced-Rank RAKE receivers for asynchronous CDMA Signals," Signal Processing , vol. 84, no. 8, pp. 1385-1394, August 2004.
23. A. T. Koc, O. Ozdemir, and M. Torlak, "Simulation Based Study of Random Access CDMA Networks," Journal of Naval Science and Engineering, vol. 2, no. 2, pp. 49-76, July 2004 (invited paper).
24. M. Torlak, "Performance of Beamspace Transmit Diversity Technique in Two Beam Rayleigh Fading Channels," International Journal of Wireless Personal Communications, pp. 277-286, vol. 28, no. 4, March 2004.
25. A. Kavak, M. Torlak, W. J. Vogel, and G. Xu, "Vector Channels for Smart Antennas: Measurements, Statistical Modeling, and Directional Properties in Outdoor Environments," IEEE Trans. on Microwave Theory and Techniques, vol: 48, no: 6, pp. 930 -937, June 2000.
26. M. Torlak, L. K. Hansen, and G. Xu, "A geometric approach to blind source separation for digital wireless applications," Signal Processing, vol. 73, no: 1-2, pp. 153-167, Jan. 2000.
27. M. Torlak, G. Xu, B. L. Evans, and H. Liu, "Fast Estimation of Weight Vectors to Optimize Multi-Transmitter Broadcast Channel Capacity," IEEE Transactions on Signal Processing, vol. 46, no. 1, pp. 243-246, Jan. 1998.
28. M. Torlak and G. Xu, "Blind multiuser channel estimation in asynchronous CDMA systems," IEEE Trans. on Signal Processing, vol. 45, no: 1, pp. 137-147, Jan. 1997.

REFEREED CONFERENCE PAPERS

1. J. Yuan and M. Torlak, "Improved Carrier Frequency Offset Estimator for Common Referenced Sampling and RF Oscillators in OFDM Transceivers," Proc. IEEE GlobalSiP Conf., Austin, TX, Dec. 2013.
2. S. Patole and M. Torlak, "Sensitivity Analysis of Beamforming Applied to Coherent Imaging Systems," Proc. IEEE GlobalSiP Conf., Austin, TX, Dec. 2013.
3. A. T. Koc, S. C. Jha, R. Vannithamby, and M. Torlak, "Adaptive DRX Configuration to Optimize Device Power Saving and Latency of Mobile Applications over LTE Advanced Networks," Proc. IEEE Int. Conf. On Communications, Budapest, Hungary, Jun. 2013
4. S. Jha, A. T. Koc, R. Vannithamby, and M. Torlak, "Optimizing DRX Configuration to Improve Battery Power Saving and Latency of Active Mobile Applications over LTE-A Network," accepted for publication, Proc. IEEE of Wireless Communications and Networking Conf., Nov. 2012, Shanghai, China.
5. S. Ozyurt and M. Torlak, "Performance Analysis of Orthogonal Beamforming with User Selection in MIMO Broadcast Channels," Proc. IEEE Global Communications Conf., Dec. 5-9 2011, pp. 1-5, Houston, Texas.
6. S. Ozyurt and M. Torlak, "An Exact Outage Analysis of Zero-Forcing V-BLAST with Greedy Ordering," Proc. IEEE Broadband Wireless Access Workshop, Dec. 5-9 2011, pp. 1-5, Houston, Texas.
7. J. Yuan and M. Torlak, "Optimization of Throughput and Autonomous Sensing in Random Access Cognitive Radio Networks," Proc. IEEE Int. Wireless Communications and Mobile Computing Conf. , July 4-8, 2011, pp. 1232 . 1237, Istanbul, Turkey.
8. D. Kim and M. Torlak, "Interference Alignment via Improved Subspace Conditioning," Proc. IEEE Globecom Conf, Miami, FL, Dec 6-10, 2010 ( arXiv:1011.6644),
9. "M. Torlak, S. Shearman, J. Yuan, and D. Kim, "A Real-Time Algorithm Design and Prototyping Platform for Single-Multi-User MIMO Research," SDR Forum Technical Conf., Washington, D.C, Dec. 2, 2010.
10. A. Koc and M. Torlak, "Performance of Hybrid ARQ in Block Fading Multiantenna Channels," Proc. IEEE Veh. Tech. Conf-Spring, 16-19 May 2010, pp. 1-5, Taipei, Taiwan.
11. D. Kim, V.Gopalakrishna, S. Guo, H. Lee, M. Torlak, N. Kehtarnavaz, A. Lobo, and P. Loizou, "On the Design of a Flexible Stimulator for Animal Studies in Auditory Prostheses," Proc. Int. Symposium on Applied Sciences in Biomedical and Comm. Tech., Bratislava, Slovak Republic, Nov 24-27, 2009, pp. 1-5.
12. S. Ozyurt and M. Torlak, "Outage and Diversity Analysis of Opportunistic Beamforming over Rayleigh Channels," Proc. IEEE Global Communications Conf., Honolulu, Hawaii, Nov. 30-Dec 4., 2009
13. S. Ciftci and M. Torlak, "A Comparison of Energy Detectibility Models for Spectrum Sensing," Proc. IEEE Global Telecom. Conf., pp. 1-5, Nov. 30-Dec. 4 2008, New Orleans, LO
14. A. Morshedi and M. Torlak, "Experimental Investigation of Polarization Diversity," Proc. IEEE Sensor Array and Multichannel Signal Processing Workshop, pp. 13-17, July 21-23, 2008, Darmstadt, Germany.
15. D. Kim and M. Torlak, "Rapid Prototyping of a Cost Effective and Flexible 4x4 MIMO Testbed," Proc. IEEE Sensor Array and Multichannel Signal Processing Workshop, pp. 5-8, July 21-23, 2008, Darmstadt, Germany.
16. O. Jegbefume, M. Saquib, and M. Torlak, "Artificial Code Puncturing for Wireless Networks," Proc. IEEE of Wireless Communications and Networking Conf., pp. 3181-3185, March 31 - April 03, 2008, Las Vegas, NV.
17. A. Lobo, P. Loizou, N. Kehtarnavaz, M. Torlak, H. Lee, A. Sharma, and P. Gilley, V. Peddigarri, L. Ramanna, "A PDA-based Research Platform for Cochlear Implants," Proc. IEEE EMBS Conference on Neural Engineering, 2 -5 May, 2007, in Kohala Coast, Hawaii, USA.
18. O. Ozdemir and M. Torlak, "Performance of Opportunistic Beamforming with Quantized Feedback," Proc. IEEE Globecom Conf., San Francisco, CA, Nov. 2006.
19. B. Kecicioglu, O. Ozdemir, and M. Torlak, “Opportunistic Multiple Antenna Systems: Channel Estimation and Experimental Results," Proc. IEEE International Conf. On Communications, June 11-15 2006, Istanbul, Turkey
20. O. Ozdemir, M. Torlak, and N. Al-Dhahir, “Large System Analysis of Hybrid Channel Estimation Methods in CDMA Systems, Proc. IEEE Veh. Tech. Conf.-Fall, pp. 1988 – 1992, 25-28 Sept. 2005, Dallas, TX.
21. B. Kececioglu, M. Torlak, A. Kavak, "Performance of Optimum Combining with Channel Estimation Errors," Proc. IEEE Veh. Tech. Conf.-Fall , pp. 2230 - 2234, 25-28 Sept. 2005, Dallas, TX.
22. O. Ozdemir and M. Torlak, "Opportunistic Beamforming with Partial Channel State Information," Proc. IEEE International Conf. On Communications, June 11-15, 2006, Istanbul, Turkey.
23. A. T. Koc, O. Ozdemir, and M. Torlak, “Reduced Rank  Noncohenerent Interference Suppression for CDMA Communications,” Proc. IEEE Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 7-11, 2004.
24. B. Kecicioglu and M. Torlak, "Reduced Rank Beamforming Methods for SDMA/OFDM Communications," Proc. IEEE Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 7-11, 2004.
25. O. Ozdemir and M. Torlak, “Performance of Blind Channel Estimation without Eigenvalue Decomposition,” Proc. IEEE Global Telecommunications Conf., Dec. 2004, Dallas, Texas.
26. M. Z. Ali and M. Torlak, “Adaptive Retransmission and Error Control in DS-CDMA Random Access Networks,” Proc. IEEE Global Telecommunications Conf.., December, 2004, Dallas, Texas.
27. O. Ozdemir and M. Torlak, “Blind Channel Estimation without Eigenvalue Decomposition,” Proc. IEEE International Conf. On Communications, June 20-24 2004, Paris, France.
28. M. Z. Ali and M. Torlak, “Joint Processing of Packet Combining and Adaptive Retransmission Control in DS-CDMA Random Access Networks," Proc. IEEE Wireless Communications and Networking Conf., March 21-25,2004, Atlanta, Georgia.
29. M. Z. Ali and M. Torlak, "Adaptive Retransmission Control in DS-CDMA Random Access Networks," Proc. Cellular and Intelligent Communications, Oct. 28-31,2003, Seoul, Korea.
30. A. T. Koc and M. Torlak, “Concatenated Beamspace-Time Coding for Directional Wireless Channels,” in Proc. IEEE Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 3-6, 2002.
31. M. Torlak and O. Ozdemir, “A Krylov Subspace Approach to Blind Channel Estimation for CDMA Systems,” in Proc. IEEE Asilomar Conf. on Signals, Systems, and Computers , Pacific Grove, CA, Nov. 3-6, 2002.
32. M. Z. Ali and M. Torlak, "Retranmission Optimization CDMA Random Access Networks”, in Proc. Military Communications Conf., Anaheim, CA, Oct. 7-10, 2002.
33. Ali T. Koc, O. Ozdemir, M. Torlak, and W. P. Osborne, "OPNET Simulation of Random Access CDMA Networks," in Proc. OPNETWORK 2002, Washington D.C. August 2002.
34. O. Ozdemir and M. Torlak, “Reduced-Rank Advanced RAKE Receivers for Dispersive CDMA Signals,” in Proc. IEEE Veh. Tech. Conf., Atlantic City, May 30, 2002.
35. M. Torlak, “An Analytical Blind Multiuser Detection for CDMA Signals,” in Proc. IEEE Global Comm. Conf., pp. 240-243, San Antonio, TX, Nov. 25-29, 2001.
36. O. Ozdemir and M. Torlak, “A reduced rank decorrelating RAKE receiver for CDMA communications over frequency selective fading,” in Proc. IEEE Statistical Signal Processing Workshop, August, 2001, Singapore.
37. O. Ozdemir and M. Torlak, “Reduced rank multistage Wiener filtering of dispersive CDMA signals,” in Proc. World Multiconf. On Systemics, Cybernetics and Informatics and Int. Conf. On Information Sys. An. And Syn., vol. 4, pp. 537-541, July, 2001, Orlando, FL (Recipient of the Best Paper Award).
38. A. Kavak, M. Torlak, G. Xu and W. J. Vogel, "Mobile transmit diversity and TDD downlink performance for smart antennas in fast fading scenarios," Proc. IEEE Antennas and Prop. Int. Symp. and USNC/URSI National Radio Sci. Meeting , July 16-21, 2000, Salt Lake City, Utah.
39. M. Torlak and B. L. Evans, "A self recovering RAKE recever for asynchronous CDMA systems," Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, June 5-9, 2000, Istanbul, Turkey.
40. M. Torlak, S. Y. Kim, J. Kang, H. Li, and G. Xu, "Performance of MC-CDMA systems using antenna arrays," Proc. IEEE Asilomar Conf. On Signals, Systems, and Computers, vol. 1, pp. 179 -182, Oct. 25-28, 1999, Pacific Grove, CA.
41. A. Kavak, M. Torlak, W. J. Vogel, and G. Xu, "Vector propagation channels for smart antenna systems: Statistical properties of spatial signature variation in outdoor environments," Proc. IEEE Radio and Wireless Conf. , pp. 171 -174, Aug. 1-4, 1999, Denver, CO.
42. M. Torlak, S.-Y. Kim, and Guanghan Xu, "A capacity measure for space-division-multiple-access channels," Proc. IEEE Asilomar Conf. On Signals, Systems, and Computers, vol. 1, pp. 790-794, Nov. 1-4, 1998, Pacific Grove, CA.
43. M. Torlak, L. K. Hansen, and G. Xu, "A fast blind source separation for digital wireless applications," In Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, vol. 6, pp. 3305-3308, May 1998, Seattle, WA.
44. M. Torlak, B. L. Evans, and G. Xu, "Blind Estimation of FIR Channels in CDMA Systems with Aperiodic Spreading Sequences," Proc. IEEE Asilomar Conf. on Signals, Systems, and Computers, vol. 1, pp. 495-499, Nov. 3-5, 1997, Pacific Grove, CA.
45. M. Torlak, L. K. Hansen, and G. Xu, ``A fast blind sequence estimation in digital communications,'' Proc. IEEE Asilomar Conf. on Signals, Systems and Computers, vol. 1, pp. 833-837, Nov. 2-5, 1997, Pacific Grove, CA, Nov. 1997
46. M. Torlak and G. Xu, ``Minimum distance of space-division-multiple-access channels,'' Proc. IEEE Vehicular Technology Conference, vol. 3, pp. 2223-2227, May 4-7, 1997, Phoenix, AZ.
47. M. Torlak, G. Xu, B. L. Evans, and H. Liu, "Estimation of optimal weight vectors for spatial broadcast channels," In Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, vol. 5, pp. 4009-4012, Apr. 21-24, 1997, Munich, Germany.
48. M. Torlak and G. Xu, ``Maximum likelihood detection of co-channel communication signals exploiting the spatio-temporal diversity,'' In Proc. IEEE Asilomar Conf. on Signals, Systems and Computers, vol. 1, pp. 728-732, Nov. 3-6, 1996, Pacific Grove, CA
49. M. Torlak, G. Xu, B. L. Evans, and H. Liu, ``Optimal weight vectors for broadcast channels,'' In Proc. IEEE Asilomar Conf. on Signals, Systems and Computers, vol. 1, pp. 65-69, Nov. 3-6, 1996, Pacific Grove, CA.
50. M. Torlak, H. Liu, and G. Xu, ``An improved signature waveform approach exploiting pulse shaping information in synchronous CDMA systems,'' In Proc. IEEE Int. Conf. on Communications, vol. 2, pp. 823-827, June 23-27, 1996, Dallas, TX.
51. M. Torlak, G. Xu, and H. Liu, ``A self-recovery scheme in anti-jamming communications,'' Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, vol. 5, pp. 2567-2570, Apr. 28-May 1, 1996, Atlanta, GA.
52. M. Torlak, H. Liu, and G. Xu, ''An improved signature waveform estimation approach in synchronous CDMA systems,'' Proc. IEEE Vehicular Technology Conf., vol. 1, pp. 569-573, April 1996, Atlanta, GA.
53. M. Torlak and G. Xu. ``Performance of CDMA smart antenna systems,'' Proc. IEEE Asilomar Conf. on Signals, Systems, and Computers, vol. 1pp. 383-387, Oct. 30-Nov. 2, 1995, Pacific Grove, CA.

ORAL PRESENTATIONS

1. July 23, 2004, “Design Trade-offs in Multiple Antenna Uplink OFDM Systems,” Texas Instruments, Inc. Dallas, TX

2. Feb. 23, 2004, “Smart Antennas for Wireless Communications,” UTD Day at TI, Texas Instruments, Inc. Dallas, TX

3. Dec. 17, 2003, “Beamforming for Wireless Communications with Applications to Cellular OFDM,” UTD/TI meeting, Richardson, TX

4. August 2002, “OPNET Simulation of Random Access CDMA Networks,” OPNETWORK 2002, Washington, D.C.

5. June, 2002, “Beam-Space Time Coding for Wireless Communications,” Texas Instruments, Inc., Dallas, TX

6. September 19, 2001, “Smart Antennas for Wireless Communications,” IEEE Microwave Theory and Techniques (MTT) Chapter Meeting, Dallas, TX,

7. Aug. 6, 2001, “A Reduced Rank Decorrelating RAKE Receiver for CDMA Communications over Frequency Selective Fading,” IEEE Statistical Signal Processing Workshop, Singapore,

8. Feb. 8, 2001, “Low Complexity Receivers for CDMA Communications, ” Texas Instruments, Inc., Dallas, TX

9. Nov. 18, 2000, "Blind Multiuser Detection for CDMA Signals in Multipath Channels,”Texas Systems Day 2000, Austin, TX

10. Feb. 9, 2000, “Signal Processing Solutions for Advanced Wireless Networks and Telecommunications,” LSI Logic, Plano, TX

11. June 9, 2000, "A self-recovering RAKE recever for asynchronous CDMA systems," IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Istanbul, Turkey.

12. September 11, 1999, "Blind channel estimation techniques for CDMA systems," Texas System Day, College Station, TX.

13. June 7, 1999, "Blind channel estimation techniques for CDMA systems," University of Illinois at Chicago, Chicago, IL.

14. May 3, 1999, "Signal processing for next-generation wireless communication systems," University of Texas at Dallas, Dallas, TX.

15. April 16, 1999, "Signal processing for next-generation wireless communication systems," University of Utah, Salt Lake City, UT.

16. April 2 , 1999, "Signal processing for next-generation wireless communication systems," University of Massachusetts, Amherst, MA.

17. March 7, 1999, "Signal processing for next-generation wireless communication systems," Duke University, Durham, NC.

18. November 2, 1998, "A capacity measure for space-division-multiple-access channels," IEEE Asilomar Conf. On Signals, Systems, and Computers, Pacific Grove, CA.

19. October 26, 1998, "Array Signal Processing," ; UT Austin, Signal and Image Processing Seminar, The University of Texas at Austin, Austin, TX.

20. October 15, 1998, "Signal Processing for Wireless Basestations", Wireless Communications Laboratory Seminar, Texas A&M University, College Station, TX.

21. 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.

22. November 2, 1996,``Optimal weight vectors for broadcast channels,'' IEEE Asilomar Conf. on Signals, Systems and Computers, Pacific Grove, CA.

23. 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

24. June 24, 1996, ``An improved signature waveform approach exploiting pulse shaping information in synchronous CDMA systems,'' IEEE Int. Conf. on Communications, Dallas, TX.

25. May 8, 1996, ``A self-recovery scheme in anti-jamming communications,'' IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, Atlanta, GA.

26. January 17, 1996, "Performance of CDMA smart antenna systems," Southwestern Bell, Austin, TX.

27. November 1995, "Performance of CDMA smart antenna systems,'' IEEE Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA.

COMPUTER SKILLS

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