Engineer Electrical Engineering

SAIRAMM PRABAKAR

480-***-**** **** Rolling Fork Circle, Apt #408, Herndon, VA 20171 ********@*****.*** Electrical Engineering Graduate with 4+ years’ experience in wireless domain seeks full time position as Systems Test Engineer. Professional experience in LTE/W-CDMA/GSM technologies, system level analysis of cellular protocol stack messages (layer 1 through layer 3) and cellular device/network optimization. Demonstrated ability to lead multiple drive test teams, conduct technical presentations and complete projects on schedule. EDUCATION

Arizona State University, AZ - MS in Electrical Engineering (Wireless Communications) May 2015 Anna University, India - Bachelor of Engineering (Electronics and Communication) June 2012 TECHNICAL SKILLS

Wireless Proficiency: LTE, VoLTE, UMTS, WCDMA, EvDO, VoWiFi, VOIP, OFDM, MIMO, IEEE 802.11x WLAN RF Optimization Tools: QXDM, QCAT, QPST, XCAL, TEMS, Swissqual NQDI, MapInfo, Actix, Windcatcher, Wireshark, spectrum analyzer (JDSU/Agilent etc.), signal analyzer Programming: MATLAB, Simulink, C/C++, PERL, Python, Java/J2EE, SQL, Excel Macros Packages & Tools: Microsoft SQL Server 2008, LINUX, UNIX, Microsoft Office, Microsoft Visio PROFESSIONAL EXPERIENCE

Global Wireless Solutions, Dulles, VA (Oct 2015 - Present) Radio Frequency Analysis Engineer

Perform extensive wireless log analysis and identify irregularities in wireless devices against RF network

Analyze and debug 3GPP LTE PHY/RLC/RRC/MAC layer and SIP/IMS messages to optimize cellular network performance. Experience with & thorough understanding of FDD/TDD LTE, VoLTE, WCDMA, HSPA+ protocols

Design and implement device certification test cases to evaluate device features. Lead multiple field test teams, validate and troubleshoot data/voice failures and analyze device/network KPIs using TEMS/NQDI

Monitor event triggers, timing parameters to quantify accessibility and reliability of a radio access network

Optimize and benchmark cellular networks including ATT & T-Mobile (USA), Vodafone (UK), Bell (Canada) Research (Ongoing):

Wireless research in developing enterprise level iOS/Android “GWS - Network Diagnostic APP” to evaluate performance of cellular and Wi-Fi networks. Propose and validate RF feature plans, monitor performance trend using statistical analysis tools

Qualcomm Technologies Inc., Santa Clara, CA (June ’15 - Oct’ 15 LTE Modem Test Engineer

PHY layer testing for 3GPP protocols (LTE, VoLTE, WCDMA, HSPA+). Developed detailed test plans to validate device features and automated system level testing scripts using PERL

Analyzed wireless drive test logs using QXDM, QPST and QCAT to optimize modem performance. Debugged UE/adb logs and worked in sync with network, hardware and software team to resolve critical issues

Executed performance and sanity tests for various Qualcomm, Apple and Intel processors against cellular networks. Troubleshoot modems, calibrate antennas and load builds using JTAG for product testing Achievements:

8084 Snapdragon VoWiFi performance testing for Nexus 6 product launch in Google HQ, CA. Identified device level issues, created technical reports and conducted presentations at organizational level Tata Consultancy Services, Mumbai, India (Sep’ 12 - June’ 13) Assistant Systems Engineer

Developed functional and system level testing scripts for multiple web based projects using Linux

Performed Web Application development with Java/J2EE, HTML, CSS, Javascript in an agile environment Responsibilities include Application Development, Unit/System and Integration testing Achievements:

Developed Proactive Error Monitoring tool using Java/J2EE for multiple telecom clients

Awarded “Star Performer” for achieving high customer satisfaction index on all project deliverables ACADEMIC PROJECTS

Simulated MIMO Spatial Receiver Antenna Diversity combining schemes using a fading model with known channel gain in MATLAB, to analyze and compare their bit error rates and implementation complexity

Realized a coded and un-coded OFDM system in MATLAB for performance analysis

Simulated a BPSK modulated CDMA uplink system using MATLAB and analyzed its performance for varying channel lengths and different number of users

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