Sai Akash Dusi

About Sai Akash Dusi

L1 / Physical Layer Engineer with 5 years of experience in 5G NR baseband algorithm development and testing. Strong expertise in 3GPP specifications, OFDM signal processing, and uplink/downlink channel modeling, including PUSCH, PRACH, PUCCH, and PDSCH. Extensive experience with MATLAB for algorithm design and validation.

Experience

1. System Simulation Engineer

   Nokia

   Aug 2021 — Present · Bengaluru, IN

   Designed and validated 5G NR L1 PHY algorithms and UE-side signal processing chains for uplink and downlink channels (PUSCH, PRACH, PUCCH, PDSCH, PDCCH, PBCH).Validated PHY behavior involving reference signals such as DMRS, SRS, and RIM-RS.Developed MATLAB-based PHY reference models to verify standards compliance, performance, and implementation readiness.Analyze 3GPP specifications to understand feature requirements and PHY algorithms.Perform log and IQ analysis to debug radio performance issues such as low throughput, NACK/DTX, TOE/FOE & TOC/FOC, IQ imbalance, EVM degradation, phase noise, power/energy loss, and L1 parameter misconfigurations.Develop and maintain custom MATLAB scripts for IQ analysis and PHY-level validation.Investigate and resolve specification-to-implementation mismatches.

Education

• Amrita Vishwa Vidyapeetham

  Bachelor of Technology (B.Tech.), Electronics and Communications Engineering

  2014 — 2018

• Amrita Vishwa Vidyapeetham

  Master of Technology - MTech, VLSI Design

  2019 — 2021

Skills

• Matlab
• Python
• Microsoft Excel
• Powerpoint
• Astrophysics
• Android Development
• Cosmology
• Microsoft Office
• Html
• Cloud Computing
• Microsoft Powerpoint
• Web Development
• C++
• C
• Arduino
• Microsoft Word