Feb 2020 – Apr 2022 · 2 yrs 2 mos · Bengaluru, Karnataka, India

• 5G-NR Physical Layer Firmware Development

May 2018 – Jan 2020 · 1 yr 8 mos · Chennai, Tamil Nadu, India

• Team Leadership:
• Spearheading a 9-member team across LTE CAT4, CAT-M, and NB-IoT projects — including mentorship, task allocation, design/code reviews, and technical guidance.
• Pre/Post-Silicon Validation:
• End-to-end ownership of pre-silicon and post-silicon validation, integration test reviews, and cross-layer debugging to ensure robust platform stability.
• GCF Compliance & Performance Tuning:
• Driving GCF test case requirement capture, validation, and issue resolution across LTE CAT4, CAT-M, and NB-IoT stacks — with a focus on standard compliance and performance optimization.
• Field Testing & System Debugging:
• Leading live network field trials, performing deep log analysis, system-level debugging, and performance tuning across diverse deployment environments.

Mar 2016 – Apr 2018 · 2 yrs 1 mo · Chennai, Tamil Nadu, India

• 3GPP Rel-13 System Design & Implementation:
• End-to-end ownership in LTE Category M (CAT-M) and Narrowband IoT (NB-IoT) development covering 3GPP Rel-13 spec analysis, system design documentation, MAC downlink scheduler & L1 controller implementation, unit testing, and integration verification for LTE IoT modems.
• Physical Layer Signal Analysis:
• Primary contributor in 3GPP Rel-9 LTE physical layer signal processing algorithm evaluation, leveraging field testing insights to refine PHY behaviour and optimise performance.
• RF Performance Tuning:
• Spearheaded RF performance enhancement efforts based on GCF RF test results for LTE modems — driving measurable improvements in compliance and real-world signal stability.
• System Testing & Debugging (Secondary Role):
• Contributed to system-level validation of CAT-M and NB-IoT UE's through test case reviews, log analysis, and issue debugging — ensuring end-to-end system integrity.
• Team Leadership & Mentorship (Secondary Role):
• Led and mentored a 6-member cross-functional team, overseeing task assignments, design/code reviews, and supporting delivery across critical project milestones.
• Domain Expertise & Growth:
• Acquired deep domain knowledge in LTE CAT-M/NB-IoT downlink modules, strengthened mentorship capabilities, and gained foundational experience in task and project management.

Mar 2013 – Mar 2016 · 3 yrs · Chennai, Tamil Nadu, India

• 1) Primary ownership includes 3GPP release 9 LTE physical layer signal processing algorithm analysis, review and system design including hardware & software partitioning
• 2) Primary ownership includes unified driver design for three different third party RFIC and integration with in-house LTE release 9 baseband modem
• 3) Secondary ownership includes UE system testing test cases review, log analysis and issue debugging
• 4) In-depth knowledge gained in the following LTE procedures includes paging, modification period, connected DRX, Semi persistent scheduling, UE RX TX reporting etc. and RF driver design

Apr 2012 – Mar 2013 · 11 mos · Chennai, Tamil Nadu, India

• 1) Primary ownership in 3GPP release 9 LTE specification study, system design including documentation, implementation including unit testing, integration including verification of MAC downlink scheduler and L1 controller for LTE multimode modem
• 2) In-depth knowledge gained in the following LTE procedures includes frequency detection, synchronization signals & broadcast channels scheduling and acquisition, physical channel decoding, RACH procedure etc. and basics of signal processing algorithms