Role & responsibilities :

Looking for a skilled 5G L2 (Layer 2) Protocol Stack developer to contribute to development & maintenance of 5G NR protocol stack aligned with 3GPP standards.

Tech Stack :

- L2, MAC, PDCP, RLC, 5G Architecture, C, C++, Debugging

Key Responsibilities:

- Knowledge of 5G NR L2 protocols - MAC, RLC and PDCP layers with experience in developing wireless communication systems

- Understanding NR MAC functions as per 3GPP specifications like RACH, Timing Adjustment (TA) UL/DL HARQ, Multiplexing/Demultiplexing, CA, dual connectivity (ENDC)

- Understanding of Key functions TDD, FDD & procedures as 3GPP specs

- Development aspects of L2 data path & buffer management

- Implementation of AM/UM/TM mode functions (retransmission, reordering, reassembling)

- Management of RLC/PDCP windowing mechanism as per 3GPP state variables

- Header compression, ciphering/integrity, and data flow management

- End to End validation with protocol stack

- Proficient in C/C++ programming

- Strong analytical and problem solving skills with debugging expertise