Test Engineer Signal Processing

ANKIT RAUT

**** **** **, *** *****, CA, ***** 562-***-**** **********@*******.*** Linkedin profile Education:

• Master of Science: Digital Signal Processing and Telecommunication Engineering, California State University, Long Beach Jan 2017 - June 2019

• Bachelor of Engineering: Electrical Engineering, Nagpur University June 2011 - June 2015 Work Experience:

Samsung - Modem Test Engineer - June 2023 - Present

• Acted as the primary point of contact (POC) for Samsung, leading Nokia SSI testing.

• Conducted in-depth analysis of performance and functionality-related Key Performance Indicators

(KPIs), including Block Error Rate (BLER), Throughput (Tput) analysis under various Radio Frequency

(RF) conditions, Modulation and Coding Scheme (MCS), etc.

• Possess expertise in Mobility, Link Adaptation, Performance Optimization, VoNR, Reference Signal Received Power (RSRP) sweep, Beam Management across NR Dual Connectivity (NRDC), Enhanced Non-Standalone (ENDC), Standalone (SA), and Long-Term Evolution (LTE) modes.

• Proficient in pinpointing root failure causes of Radio Link Failure (RLF), Radio Resource Control

(RRC), or re-establishments within call flows.

• Conducted regression testing on legacy Google chipsets utilizing Keysight call box simulation.

• Engaged in on-site testing at Nokia Bell Labs, New Jersey, for Nokia Infrastructure deployments.

• Specialized in Narrowband Internet of Things (NB-IoT) for modem functionality on satellite chipsets, designing and executing stationary and Doppler effect test plans. Qualcomm – System Test Engineer Aug 2022 - June 2023

• Conducted Inter-Operability Testing (IOT) on LTE, 5G SA & NSA, and other cellular technologies at Infra vendor labs, following Cellular Network Operator's test plans.

• Executed test plans, gaining hands-on experience in debugging, and resolving device-side issues on LTE Physical and MAC layers using tools like QXDM and APEX.

• Analyzed logs to identify issues in IOT, focusing on RSRP, RSRQ and resource allocation between the network and test device.

• Executed uplink and downlink throughput tests under millimeter wave test environment using 64 and 256 QAM.

• Performed demonstration of UE provisioning process through automation. Included different test scenarios such as loading build, called / ref QCN, UL and DL test cases.

• Collaborated with multi-functional development teams to investigate and resolve software bugs discovered during IOT testing.

• Provided backend support and assisted teammates in debugging and log analysis for ongoing IOTs, prioritizing time-sensitive tasks.

• Conducted end-point testing of specific features to ensure bug fixes prior to software release to clients.

• Set up and configured MTPs (Mobile Test Platforms) for IOT, including build loading, RF calibration, and device sanitization using wireless lab equipment.

• Stayed updated on emerging technologies and conducted technical training sessions to share knowledge and expand expertise within the team.

Keep track of upcoming IOT sessions, get in coordination with Legal/Logistics department to conduct the sessions at desired time and location.

Urjagrid, Inc - Systems Engineer (Fremont California) Oct 2020 – Aug 2022

• Comprehensive knowledge of digital communication systems and telecommunication, commercial test simulators, OFDM technologies.

• Worked on verification procedures of wireless communication system and RF propagation.

• Tested DATA throughput, device aggression. Bug tracking and reporting using JIRA, wire-shark.

• Perform mobile application testing, IOT, regression testing on various wireless devices.

• Assign work orders, guide, and communicate with on-site technicians to facilitate smooth workflow.

• Projects on signal modulation techniques- Amplitude, Phase and Frequency modulation.

• Studied advanced digital signal processing concepts FFT based OFDM transceivers.

• Strong technical background in signal processing domains, waveform theories, stochastic processes, filtering modulation theory etc.

• Strong knowledge of networking protocols - TCP/IP, BGP, RIP, OSPF, EGP, EIGRP.

• On going project on chip set test plan and verification.

• Executed processes for detailed analysis and reporting on faults found in system performance.

• Working on AWS kinesis and S3 storage solution for directly linking data from cameras to a in house portal as to cut down the cost being spent on current cloud service provider.

• Reporting – weekly reports about the project status and system health to all franchise operators and district managers.

Academic Projects and Research Papers

• Study of research paper on capacity maximization with polarization-agile antennas in MIMO communication system.

• Project on upcoming protocol IEEE 802.11 ax for Wifi 6.

• Project under guidance of Department Chair on Power flow optimization using Bee algorithm in artificial intelligence.

• Project on Audio Signal processing including Pseudo Noise in MATLAB.

• LAB Project - Instances on Amazon Web Services console using EC2 and S3 & glacier storage. Skills & tools:

• Qualcomm logging and analysis tools, QXDM, APEX, QFIL, PCAT, JTAG,

• Samsung tools : Shannon, Keysight call box SCPI.

• Software: Python 3.5, C, C++, Wireshark, Cisco packet tracer, GNS 3 VMware, IP scanner.

• Networking Protocols: TCP/IP, UDP, DHCP, OSPF, IPv4, IPv6, ARP, BGP, IGRP, EIGRP, RIP.

• Excellent communication skills.

• Ability to prioritize and balance multiple tasks.

• Physically active, can work for long hours and can lift heavy equipment.

Contact this candidate