1 month ago
Responsibilities
- Design, develop, and optimize the PHY layer for 5G NR gNB in accordance with 3GPP standards.
- Implement and optimize channel estimation, equalization, beamforming, MIMO, and decoding algorithms.
- Develop DSP, FPGA, and GPU implementations for real-time signal processing.
- Develop and optimize the L1-L2 interface for high-performance data processing.
- Analyze PHY performance with system engineers and identify improvement opportunities.
- Conduct unit and integration testing, debugging, and performance tuning of PHY software and firmware.
- Optimize PHY implementations for latency, throughput, power efficiency, and resource utilization.
- Integrate the PHY layer with RF front-end components.
- Track 3GPP releases and implement required PHY processing changes.
- Provide technical expertise and guidance to junior team members.
Requirements
- 2-3 years of hands-on experience in 5G NR or LTE PHY layer development.
- Strong understanding of OFDM, MIMO, and other key physical-layer concepts.
- Proficiency in C/C++, MATLAB, and Python for algorithm development and simulation.
- Experience with DSPs, FPGAs, or GPUs for real-time PHY processing.
- Knowledge of 3GPP specifications, particularly 38.211, 38.212, 38.213, and 38.214.
- Familiarity with software-defined radio and real-time embedded systems.
- Experience debugging and performance-tuning PHY layer implementations.
- Knowledge of signal-processing libraries such as FFTW is preferred.
- Experience with 5G PHY testing and validation using industry-leading tools is an advantage.
- B.E./B.Tech or M.E./M.Tech degree in Electronics, Telecommunications, Computer Science, or a related field.
- Strong problem-solving and teamwork skills.
About Nokia
Nokia builds telecom network equipment and software—covering mobile (4G/5G RAN and core), IP and optical networking, fixed access, and related services—for communications service providers, enterprises, and governments. The company also conducts advanced research through Nokia Bell Labs. Founded in 1865 and headquartered in Espoo, Finland, Nokia is a public company with global operations and long-standing relationships with major mobile network operators worldwide.