Advisor: Prof. R. M. SternProject: Analysis and improvement of nonlinear array processing techniques for the robust automatic recognition of speech in the presence of noise, interference and/or reverberation- Surveyed past and current technologies and trends and identified potential areas of improvement- Developed novel analytical models of time-frequency masking algorithms- Designed, developed and evaluated improvements to existing nonlinear processing techniques- Authored conference and journal publications describing work and resultsProject: Recognition of imagined speech from recorded EEG signals, with the aim of developing a silent man-to-man communication system – sponsored by the Army Research Office- Researched background and current ideas in areas related to topic- Designed and implemented, a variety of processing systems and algorithms- Evaluated performance of designed systems in terms of speed and accuracy- Coordinated work and preparation of reports and presentations with entire research group, composed of 6 faculty members and 6 graduate students across 3 different universities

Courses: Wireless Networks, Signals & Systems, Digital Signal Processing, Advanced DSP- Taught weekly recitation sessions of about 20 students- Substituted regularly on lectures when instructors were absent- Held office hours to help with homework issues, to clarify concepts and generally to discuss material- Supervised and guided course projects; aided in preparation and grading of homework sets and exams

Advisor: Prof. O. K. TonguzProject: Feasibility study and prototype development of intra-car wireless sensor network – sponsored by General Motors (GM)- Measured and analyzed real-world wireless channel characteristics experimentally- Designed and implemented parts of physical layer of prototype system, using GNU Radio software- Reported and presented results in meetings with about 20 researchers and directors from GM- Authored and published a journal paper, “Characterizing Intra-Car Wireless Channels”- Collaborated with a fellow graduate student, our faculty advisor and a GM contact on all efforts

- Designed beamforming system for a product prototype- Measured behavior of system designs and performed subjective listening tests and demos- Collaborated with 3 other engineers to design and implement extensions to a MATLAB toolbox for the measurement, design and programming of beamforming systems- Documented work and presented results to engineering team and managers

Advisor: Prof. J. A. SalehiProject: Prototype development for a Spread-Time CDMA communications system for Ultra-Wideband applications- Cooperated on design and simulation of physical and MAC layers of system with another student- Tested and quantified performance of physical layer in various conditions, including white noise, multi-user interference and imperfect synchronization

Courses: Electric Circuit Theory, Signals & Systems- Taught weekly recitation sessions of about 15 students- Supervised and guided course projects; aided in grading of homework sets and exams

- Ported DOS-based device drivers for an Inroute-Outroute Controller (IOC) PC card to the Windows NT environment- Performed reverse engineering and functional analysis of a switching power supply circuit board (used in a VSAT)