Pratiksha Kachhawaha

1. NOKIA 5GRAN
Description: Contributed to the 5GRAN project within the CU and DU stack teams, focusing on the design, development, and testing of feature enhancements in 5G NR.

Key Responsibilities:

• Developed CU-side functionality for AMF Configuration Update, enabling dynamic PLMN addition, deletion, and modification upon UE inactivity events, extending initial PLMN setup received via gNB configuration update (MIB/SIB).
• Contributed to DU-side development and testing of CMAS and ETWS enhancements, ensuring reliable warning message broadcast across multiple cells and validating inter-cell scenarios for end-to-end functionality.
• Handled customer radar tickets, performing in-depth debugging, root cause analysis, and resolution to support production deployments and ensure system stability.

2. BEACON STREAM-1 (Client: Apple)
Description: Worked on DU stack feature testing and development of Rock Stack Manager for CU/DU configuration, binary generation, cell/UE lifecycle management, and fault handling via Beacon Manager (ZeroMQ-based).

Key Responsibilities:

• Developed REST APIs between Beacon Stack Manager (BSM) and Rock Stack Manager (RSM), including request-handling flows in RSM to forward configuration/control messages to CU and DU.
• Enhanced cell restart feature, integrated ZMQ events with RSM, validated LMH features, and improved MIMO curl command functionality.
• Implemented and enhanced PHAPI LUA dissector in Wireshark for protocol message decoding and analysis.
• Managed customer radar tickets with direct client interaction, performing debugging and providing timely fixes.
• Executed Jenkins-based PAL and E2E testing for multiple features across SA and NSA modes.
• Conducted sanity validation of patches and prepared Quick Start Guides to support customer deployments.

1. MAV_L2
Duration: March 2022 – September 2022
Description: Part of the Mavenir vRAN LTE project, working with the L2 team on design, simulation, development, and testing of application-level enhancements for product improvement. Also provided production environment support through issue troubleshooting and resolution.
Key Responsibilities:

• Served as a Software Engineer in 4G L2 feature development, contributing to design and implementation.
• Developed and enhanced features such as UE Category, DL 256QAM Enable, and UL 64QAM Enable for improved system performance.
• Collaborated closely with testing teams to validate functionality and ensure seamless production deployment.

2. Sterlite Small Cell Indoor
Duration: March 2020 – July 2021
Description: The project focused on developing Indoor Small Cell solutions, integrating Digital Unit (DU) and Radio Unit (RU) into a compact form factor to enhance network capacity and performance with optimal cost efficiency.
Key Responsibilities:

• Worked as a Software Engineer in 5G-NR L2 team, gaining hands-on experience in RLC (3GPP 38.322) and MAC protocol features for 5G NR.
• Developed and tested features for 5G data channels including PDCCH and PUCCH for UL/DL grants and channel mapping.
• Worked on FAPI convergence layer development and API creation for CU/DU integration.
• Designed and implemented FAPI dissector as per SCF-222 specifications, enabling message decoding and analysis.
• Acquired working knowledge of 5G Bandwidth Part (BWP) concepts.
• Developed code in C/C++ and used Shell scripting for automation and debugging tasks.