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PhD in Electrical Engineering, RF Circuit, PCB design

Davis, California, United States
February 10, 2018

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Songjie Bi

**** ****** **** ***., ***. ****, Davis, CA 95616 (530) ***-****

OBJECTIVE Seeking for a full-time RF engineer position starting after May. 2018 EDUCATION Ph.D. in Electrical & Computer Engineering GPA: 3.92/4.0 09/2014 - Present Master in Electrical & Computer Engineering GPA: 3.92/4.0 09/2012 - 08/2014 University of California, Davis

B.S. in Electrical & Computer Engineering GPA: 3.86/4.0 08/2008 - 06/2012 Zhejiang University, China

SKILLS CAD & Layout - Cadence Allegro, HFSS, CST, ADS, AutoCAD, Keil Instruments - VNA, Spectrum Analyzer, Oscilloscope, Signal Generator Programming - C/C++, Matlab, SPI, Arduino, Verilog HDL, Rust PROJECTS 2.4GHz Doppler Radar Used for Wearable Heartbeat Monitor 09/2016 - present

Developed the RF transceiver PCB board

Designed IQ demodulation, PLL loop (frequency 1.84GHz 3.5GHz), and power control (-5dBm 17dBm)

Matlab programming to implement algorithm for motion demodulation

Designed a directionoal wideband patch antenna in HFSS

SPI programming in Matlab to control the circuit

Circuit debugging and sensitivity improvement

Synthetic Aperture Radar (SAR) Imaging 06/2016 - 06/2017

Performed test automation via SCPI programming for Agilent and CopperMountain Vector Network Analyzers

Designed an antenna array (8 elements) in HFSS to perform SAR imaging

Designed 1-to-16 switch array to control transmitting and receiving antenna pairs

Matlab programming to implement imaging algorithms Ultra-wideband Radar 09/2012 - 09/2016

Developed a UWB/impulse radar and used it to monitor heartbeat remotely

Performed EDA simulations of interaction between RF signal and human body in HFSS and CST. Then analyzed circuit performance in ADS Microwave Ablation 09/2012 - 06/2013

Designed 3 sets of slotted antennas used to radiate intense microwave power into cancer tissues (microwave ablation)



High Speed Signal Integrity, RF in Wireless Communication, Electromagnetics, Antenna and EM Radiation, RF IC design

TEACHING Teaching Assistant of RF Senior Design Course 09/2013 - Present Helped students build a FMCW radar in PCB and improve radar sensitivity. Help students learn antenna design, arduino programming, PCB layout, circuit debugging PUBLICATIONS Songjie Bi, Xiaomeng Gao, Victor M. Lubecke, etc, “A Multi-Arc Method for Improv- ing Doppler Radar Motion Measurement Accuracy”, IEEE International Microwave Symposium (IMS), Jun., 2018 (accepted)

Songjie Bi, Juan Zeng, Marzhan Bakbalanova, and Xiaoguang Liu, “Contact-Based Radar Measurement Of Cardiac Motion - A Position And Polarization Study”, IEEE Topical Conference on BioWireleSS, Jan., 2016

Songjie Bi, Dennis Matthews and Xiaoguang Liu, “An experimental study of 2-D car- diac motion pattern based on contact radar measurement”, Wireless and Microwave Technology Conference (WAMICON), Apr., 2015.

Yingsong Li, Songjie Bi, Xiaoguang Liu, “A Modified Bow-Tie Antenna for Contact- Based Heartbeats Detection Applications”, IEEE International Symposium on Anten- nas and Propagation, Jul., 2017

Yuhao Liu, Songjie Bi, Yusha Bey, Xiaoguang Liu, “A novel RF-MEMS shunt capac- itive switch design for dielectric charging mitigation”, IMWS-AMP, Jul., 2015

Zhiguo Shi, Songjie Bi, Hongtao Zhang, Xuemin Sherman Shen, “Improved auxiliary particle filter-based synchronization of chaotic Colpitts circuit and its application to secure communication”, Oct., 2013

Songjie Bi, Zhiguo Shi, Hongtao Zhang, Xuemin Sherman Shen, “Experimental study on particle filter based synchronization of chaotic Colpitts circuit with application to secure communications”, Wireless Communications & Signal Processing (WCSP), Oct., 2012 - Best Paper award

AWARDS NSF STTR (award #1449060) and (award #1660253) awards are granted in year 2015 and 2017, respectively

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