Lu Zhang
155 Acalanes Dr., Apt.16
Sunnyvale, CA, 94086-5509
(Cell) 515-450-2573
(Email) luzhang@iastate.edu

Objective
To seek a position of R&D engineer focusing on the modeling, design and analysis of RF/microwave circuits and components, antenna design, qualification testing and measurement, wireless communication, EMI/EMC and signal integrity issues.

Education
- Ph.D., Electrical Engineering, Iowa State University, Ames, Iowa, 2007 (GPA: 3.88/4.0), Dissertation title: "Accurate electromagnetic full-wave modeling for interconnects in semiconductor integrated circuits"
- M.S., Electrical Engineering, Northwestern Polytechnical University, Xi'an, China, 2001
- B.S., Electrical Engineering, Northwestern Polytechnical University, Xi'an, China, 1999

Research and Working Experience
Graduate Research Assistant, Iowa State University, 2003-2007
- Studied the interconnect in multilayered integrated circuits, analyzed the impacts of thin metallization ground layers and signal strips on the electrical parameters such as propagation constant, characteristic impedance, loss, lumped circuit RLCG parameters, field distribution, and transient response, etc.
- Applied the numerical electromagnetic methods: the Spectral-Domain Approach and Method of Moments, to solve integral equations for on-chip interconnect and RF components.

Engineer, Wireless Group of Philips Research East Asia-Shanghai (PREAS), China, 2002-2003
- Investigated human body effects on the performance of cellular phone
antenna.
- Designed planar inverted-F antennas with low specific-absorption-rate
using Ansoft HFSS.
- Designed and simulated dual-band integrated patch antennas using Ansoft HFSS.

Engineer, Wireless Group of Philips Research East Asia-Xi'an (PREA-X),
China, 2002
- Built one vector-fading channel model in a link-level MatLab simulation platform for the 3G TD-CDMA (Time Division-Synchronous Code Division Multiple Access) wireless communication system.
- Assessed the feasibility of antenna array on cellular phone with smart/adaptive antenna algorithms.
- Developed the GSAT (Generic Smart Antenna Test-bed) for cellular phones.

Graduate Research Assistant, Northwestern Polytechnical University (NPU), Xi'an, China, 2000-2002
- Designed aerial radomes enclosing wideband equiangular spiral antennas using ray-tracing method.
- Implemented the NURBS (Nonuniform Rational B-Spline) technique for 3D geometric surface modeling.
- Applied the nonlinear optimization algorithms to improve the design process
of broad band radomes.

Lab Experience
Lab Instructor/Teaching Assistant, Department of Electrical and Computer Engineering, Iowa State University

EE414/514 Lab, Microwave Engineering, Fall 2007
- RF design project including 1.15 GHz amplifier with biasing circuit, amplifier stability, resonator and oscillator, two-pole Butterworth and edge coupled filter

EE418 Lab, High Speed Systems Measurements and Testing, Fall 2007
- Measurement of S parameters, network analyzer calibration, time-domain reflectometer, eye diagram, noise figure, spectral domain analyzer

EE417/517 Lab, Electromagnetic Radiation, Antennas, and Propagation, Spring 2005/2006
- Measurement of far field, antenna gain, radiation pattern, and a dual-horn array

Course Projects
Designed a transistor-level CMOS integrated digital circuit including a convolutional rate 2/3 encoder and a Viterbi decoder, programmed in Verilog to generate circuit schemetic, created the layout using SOC Encounter and Synopsys that passed DRC and post-layout simulation to be ready for fabrication, 2005 (EE434 Introduction to Integrated Circuit Design).

Designed and tested an analog RF circuit PCB board with an RF amplifier, loop oscillator and two-pole edge-coupled filter working at 1.6 GHz, 2004 (EE514 Microwave Engineering.

Calculated the field distribution of a vertical magnetic dipole over the interface of two half-space media, 2004 (EE513 Advanced Electromagnetic Field Theory II).

Developed MPI parallel programs to compute the guided waves in shielded multilayer microstrip lines and waveguides using the finite-difference method, 2004 (EE525 Numrc. Analysis for HI-P Computing).

Designed a smart-antenna algorithm for MPSK signals, simulated it under the Rayleigh-fading channel in MatLab, 2003 (EE521 Advanced Communication).

Technical Skills
Software: MatLab/Simulink, Ansoft HFSS, ADS, Cadence, ORCAD (Pspice), Synopsis, Encounter
Programming: Fortran90, C/C++, MPI (parallel programming), Verilog, Windows/UNIX programming
Hardware: RF circuit design, RF/microwave/wireless system measurement, signal integrity

Awards
Research Excellence Award, Iowa State University, 2007
Teaching Excellence Award, Iowa State University, 2005
Academic Excellence Award (PACE), Iowa State University, 2003
Excellent Graduate Thesis Award, Northwestern Polytechnical University, China, 2001
CAST (Chinese Academy of Space Technology) Scholarship, China, 1999-2000
Excellent Graduate Student Award, Northwestern Polytechnical University, China, 1999

Publications
1. L. Zhang and J. M. Song, "Effects of the thin-film metal ground embedded in on-chip microstrip lines," IEEE Microwave and Wireless Components Letters, pp. 439-441, Jun. 2007.
2. L. Zhang and J. M. Song, "Transient signal distortion in silicon-based interconnects over thin-film metal ground layers," IEEE 15th Topical Meeting on Electrical Performance of Electronic Packaging (EPEP), Scottsdale, AZ, pp.145-148, Oct. 2006.
3. L. Zhang and J. M. Song, "Transmission-line characteristics of on-chip interconnects on multilayer silicon structures with thin-metallic ground substrate," IEEE AP-S International Symposium, Albuquerque, NM, pp. 2343-2346, Jul. 2006.
4. L. Zhang and J. M. Song, "Comparison between different models for the thin metallic substrate in multilayer microstrip structures," Micro. Opt. Tech. Letter, vol. 48, no. 6, pp. 1113-1117, Jun. 2006.
5. L. Zhang and J. M. Song, "Effects from the thin metallic substrate sandwiched in planar multilayer microstrip lines," Progress in Electromagnetics Research Symposium (PIERS), Abstract pp. 121, Proceedings, pp. 115-119, Cambridge, MA, Mar. 2006.
6. J. Liu, Y. Yuan, L.Z. Xu, R.H. Wu, Y.Z. Dai, Y. Li, L. Zhang, M. Shi, and Y.G. Du, "Research on smart antenna technology for terminals for the TD-SCDMA system," IEEE Communications Magazine, vol. 41, no. 6, pp. 116 -119, Jun. 2003.
7. L. Zhang and Y. Yuan, "Wireless fading vector channel model for multi-antenna system at mobile terminal," 36th Annual Simulation Symposium, Orlando, FL, pp. 299-304, Mar. 2003.

References
References Available Upon Request.