Arunkumar Mariappan

About Arunkumar Mariappan

Kindly check this out: https://arunkumar-mariappan-cgljb57.gamma.site/I am a passionate and results-driven modem system test engineer with 2.5 years of experience in manual and automation testing of wireless communication systems, specializing in LTE and 5G NR technologies. Currently working at Marquistech, I have developed deep expertise in modem performance testing, KPI validation, and protocol-level analysis across various global projects, including USA and LATAM regions.My core competencies include: NR Carrier Aggregation (NRCA) mobility and static test case validation Working across diverse chipsets: Qualcomm, MediaTek, Unisoc Strong proficiency with QXDM, ELT, QCAT, and log collection tools like Bug2Go, DebugLogger, and YLog Expertise in 3GPP L1/L2/L3 specifications for LTE/NR and IMS/SIP registration & call flows Solid experience in ADB command usage for device control and log management Python-based automation framework development for streamlined test execution Familiar with mobility scenarios such as cell reselection, handovers, and network attach/detach operationsMy day-to-day work involves detailed log analysis, debugging, and functional validation to ensure robust modem behavior under various network conditions. I take pride in delivering quality results and continuously seek to enhance my technical skill set.Excited to connect with fellow professionals and explore opportunities in next-gen wireless technologies

Experience

1. Test Engineer

   Marquistech

   Jul 2023 — Present · Navi Mumbai, IN

   Log Analysis Project:Debugging of issues reported from lab and field testing of android devices. Analyzing QXDM and adb logs to find the root cause of the issues- Work on LTE/NR - NAS, RRC, PDCP, RLC- Performing stationary and mobility test scenarios such as voice call, SMS, MMS, supplementary services, handover, cell reselection, IRAT, carrier aggregation, VoLTE, Throughput testing- Used QxDM for capturing and analyzing modem logs while testing. Used ADB and for capturing device- Primary analysis of logs taken during field testing and identifying defects, raising tickets & following up with the defects raised- Perform verification of protocol stack in accordance with 3GPP standards- Conformance Testing as per Network Operator requirements.

Education

• Vivekanand Education Society's Institute Of Technology

  Bachelor of Engineering - BE

  2020 — 2023

• Msbte

  Diploma

  2017 — 2020