Wireless & QA test Engineer

YENJUNGCHANG

**** * ******** **** *** ***C, Monterey Park, CA 91754 732-***-**** ***************@*****.***

Summary

Work at LG Electronics Mobile as Software QA Engineer within certified AT&T Lab for three years. Testing for future Android wear product by functional testing for app interruption, coordinated AT&T Stability Tests for several LG projects. Responsible for signal testing on mobile devices in the network technologies such as Inter/ Intra RAT, soft/ hard handover.

Technical Skills

Anite’ SAS,Agilent 8960, CDMA 1x/EVDO, GSM, GPRS, UMTS/WCDMA, OFDMA, LTE, IMS, TCP/IP, UDP, QXDM, QPST, SDK, C/C++, Python, JAVA, FPGA, GUDA, Linux, Command line, MATLAB, Simulink

Experience

Software QA/ Wireless test Engineer-01/2014 to Present

LG Electronic Mobile-San Diego, CA

Testing for future LG,Android wear product by functional test for app interruption, coordinated AT&T Stability Tests such as Direct TV video streaming control, VR devices screen separation, etc .

Ownership of multiple projects, responsible for project status update to the project team and management team, working with development team on software bug fixes, code review, unit and integration testing on CDMA handsets to ensure project quality and on time delivery.

Well adapted to multicultural working environment. Great experience in multi-site project success. Worked closely with other teams, domestic and internationally. Provided excellent support in defect reporting, issues troubleshooting and logging using QXDM, QPST, ADB, and Mobile Analyzer for Qualcomm chipset based solution.

A member of Protocol Test Lab with hands-on experience in 2G/3G/LTE product testing and troubleshooting. Proficiency in lab equipments includingAgilent 8960.

Experienced in AT&T certified on site lab for wireless communication telephony structure, procedure of hand shack, interleaving and handover activity test.Also setting up 3g, 4G LTE signals in shield rooms to forbid outside signal interference.

Compliance/Conformance Test and Carrier Acceptance Test for products including Android phones/tablets, Windows phones, Modules/Modems, and other OEM devices. Solid Understanding of wireless technologies such as CDMA 1x/EVDO, GSM, GPRS, UMTS/WCDMA, OFDMA, and LTE, Carrier Aggression. Also familiar with TCP/IP, UDP, SIP, etc. In-depth knowledge and experience in Carriers’ Requirements and Carrier Acceptance process (AT&T, T-Mobile, Verizon, Sprint,TracFone, etc.)

Wireless Standards: WCDMA, GSM, GPRS, EDGE, CDMA 1x/EVDO, OFDMA, LTE.

Tools: QPST, QXDM, and a variety of Android provisioning and debugging tools.

Nano Physical Vapor Deposition Engineer - 01/2010 to 06/2010

Taiwan Semiconductor Manufacturing Co Ltd (TSMC) - Hsinchu, Taiwan

Detected defects in wafers and chips using Computer-Integrated Manufacturingtechnology

Set up and maintained semiconductor manufacturing equipment

Wrote daily reports for clients, including Apple,on manufacturing issues

Education

Master of Science in Electrical& Computer Engineering Wireless Communications -09/2010 to 05/2013

New Jersey Institute of Technology -Newark, NJ

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