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Electrical Engineer Engineering

Location:
Coram, NY
Posted:
February 07, 2016

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Resume:

Resume

Yuejin Huang actfmb@r.postjobfree.com Phone: 631-***-****(Home) Page 1 of 3

** ********** **, *****, ** 117**-***-*** 3984(Cell) SUMMARY

Experienced in:

Integration and test of whole LTE wireless systems (eNBs, UEs, networks, etc) in Bell-Labs of Alcatel-Lucent in recent years.

LTE standards from L1 and MAC to RLC and PDCP, etc

Problem analysis of end-to-end LTE networks

Algorithm development in wireless communication and signal processing

Float and fixed-point simulations of wireless communication systems

Used C/C++, Matlab, Simulink, SPW, Python, Perl, and assembling languages

Wireless communication theory and signal processing

Test owners of many features (designing test methods and procedures based on requirements, managing test schedule, testing new features with different imbedded traces, fixing bugs with developers, and delivering the features to customers on schedule, etc) of LTE wireless systems

Test tools used: QXDM (including QMI, QCAT, QPST), NEM, WPS, SAM, NPO, EasyTest, FileZilla, Winds, PureData, Jperf, 7zip,Spirent(same as Azimuth), WaveJudge, tightvnc, AnalyseDsp, L1Visual, Sherpa, Spectrum Analyzer, Signal Generator, Digital Meters, Noise Generator, Duplexers, Splitters/Combiners, RF cables, fibers, attenuators, etc.

LTE eNBs, UEs, Remote Radio Headers (RRHs), databases, traffic radio bearers, schedulers, VoLTE, MME, mini live-lab, X2/S1 lossless handover, PM/PCMD counters, traces, servers, etc.

Lab setup or configuration for different purpose of testing

Unix and Windows, solving unexpected lab, computer, and internet issues

Good communication skills in English and Chinese in multicultural working environment

Inventors of 10 US patents in which one (US 7406130) is adopted by the current LTE system

Authors of 10 IEEE papers in which five are IEEE transaction papers PROFESSIONAL EXPERIENCE

Bell Labs of Alcatel-Lucent, Murray Hill, NJ 07974, USA 10/2011-Present LTE RAN Test Engineer

3 and 15MHz LTE systems of Alcatel-Lucent

Experiences: QXDM, UEs, eNBs, RRHs, lab configurations of multiple UEs and eNBs, channel emulator, databases, MME, WPS, NEM, lab servers, FTP/TCP and UDP traffic generators, WaveJudge, FileZilla, Sherpa, L1Visual, AnalyseDsp,

Accomplishment: designing test plan, collecting traces, analyzing traces with proper tools, fixing bugs with developers, delivering to customers on schedule

QoS of all bearers.

Experiences: weights of bearers, QXDM, UEs, databases, QCI generator, traffic servers and generators, WPS, L2 traces, PM counters, etc.

Accomplishment: all bearers of different weights are tested in DL. In UL, the bearers of different UEs are tested. Delivered to customer on schedule

Cat-4 UE

Experiences: QXDM, Cat-4 UEs, databases, WPS, FTP/TCP traffic generators of rate >170Mbps, DL scheduling, transport block size, coding rate calculation, L2 traces, PM counters, etc. Resume

Yuejin Huang actfmb@r.postjobfree.com Phone: 631-***-****(Home) Page 2 of 3 19 Calicotree Ln, Coram, NY 117**-***-*** 3984(Cell) Accomplishment: Max DL Tput of 150 Mbps with 2x2 MIMO RLC Flow Control

Experiences: PDCP/RLC buffer, PDCP/RLC SN, discard timer, overflow, SDU/PDU size, SDU discard, code budget time, packet delays, HFN, PM/PDCP counters, UE logs Accomplishment: Significantly reduced the packet delays of whole networks and delivered to customers on schedule.

PDCCH Dynamic DL and UL CCE Partition

Experiences: CCE allocation in PDCCH, Dynamic CFI, DL and UL CCE partition, QXDM, UEs, databases, NEM, SAM, NPO, etc.

Accomplishment: designing test plan, running test cases with different configurations, analyzing traces and fixing bugs, and delivering on schedule.

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UL Retransmission Grants of PUSCH DTX and RACH Msg3 DTX Experiences: PUSCH DTX, UL ReTx Grants, buffer state report, buffer occupancy, contention-based and contention-free RACH with Msg3 DTX, Adaptive RACH threshold detection, false alarm Accomplishment: designing test plan, generating PUSCH DTX and RACH Msg3 DTXs in different scenarios, analyzing traces and fixing bugs, and delivering on schedule. InterDigital, Melville, NY, USA 06/2001-05/2011

Research Engineer

Wireless communication system simulation

Experiences: SPW, Matlab, C/C++, Simulink, wireless communication, and signal processing. Accomplishment: Built a lot of test benches for float and fixed-point wireless communication simulations with different software and tools for WCDMA, HSDPA, OFDM, and TDD systems. Algorithm development and patent application

Experiences: Studied CDMA and LTE systems, developed many algorithms of L1 implementation in FDD and TDD. The algorithms consist of Fast Fourier transform (FFT) of any length, analysis of the fixed-point performance of FFT of various algorithms, FFT-based joint channel equalizer, channel estimation, new receiver design (data estimation), training sequence design (pilot design), etc Accomplishment: hold 10 US patents in which one of my patents (US 7406130), entitled “Method and System for Optimization of Channel estimation and Synchronization in an OFDM-MIMO Wireless Communication System”, is essential to the current LTE system. The ZC sequences of SRS in UL and the UL channel estimation at eNB have been claimed in the patent when the LTE standard doesn’t exist. In IDCC's patent portfolio, the above patent is perhaps the only essential one. Another of my patents (US 7760794), entitled “Method and apparatus for performing joint channel equalization,” received the 2008 chief technology officer award of InterDigital.

Signal Processing and Communications Laboratory, INRS, Canada 02/2000- 06/2001

Research Associate

Experiences: Studied space-time CDMA (antenna array and signal processing) Accomplishment: Developed test bed for the simulation of the space-time CDMA project of Nortel. Resume

Yuejin Huang actfmb@r.postjobfree.com Phone: 631-***-****(Home) Page 3 of 3 19 Calicotree Ln, Coram, NY 117**-***-*** 3984(Cell) Communications Laboratory, McGill University, Canada 8/1998- 2/2000 Post Doctoral Fellow

Experiences: Studied space-time CDMA (antenna array and signal processing) Accomplishment: Published two high-quality IEEE transaction papers. Department of Electrical and Electronic Engineering The University of Hong Kong (HKU), Hong Kong 12/1994 – 8/1998 Research Assistant

Experiences: studied wireless communications and CDMA systems Accomplishment: Published 8 IEEE papers in which three are IEEE Transaction papers and one received the best paper award in PIMRC’97 of IEEE.

Nanjing Astronomical Instruments Research Center, Chinese Academy of Sciences 1988- 1994 Electrical Engineer

Experiences: Automatic control systems

Accomplishment: Designed control systems of astronomical telescopes and developed imbedded software for microcontrollers

Optics and Electronics institute, Chinese Academy of Sciences 1985- 1988 Research Assistant

Experiences: Signal processing

Accomplishment: Implemented the video signal processing system for tracking point target in hardware Southwest Physics Institute of China 1982- 1985

Electrical Engineer

Experiences: Physics experiments for scientific research Accomplishment: Developed a powerful high-frequency oscillator for ion source and an intelligent flow meter with microprocessors for the measurement of parameters. EDUCATION

Ph.D. Electrical Engineering Dec 1994-Aug 1998

Hong Kong University, Hong Kong

M.S. Electrical Engineering Aug 1985-Aug 1988

Optics and Electronics Institute, Chinese Academy of Sciences B.S. Electrical Engineering Aug 1978-Aug 1982

Sichuan University, China

Immigration Status

US Citizen



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