ANIL KUMAR CHIRALA
Bangalore
Summary
Results-oriented Senior Software Engineer with 10+ years of experience in wireless telecom, specializing in the design, development, of stack based devices. Proven ability to troubleshoot complex issues, optimize performance, and contribute to successful product releases. Expertise in Linux OS fundamentals, computer architecture, and wireless networks (LTE/5G layer 2).
Overview
10
10
years of professional experience
1
1
Certification
Work History
Senior Software Engineer
Capgemini
Banglore
04.2024 - Current
- Developed functional unit tests for 5G PDCP, resulting in enhanced code quality and significant coverage.
- Implemented improvements for 5G PDCP wrap-around scenarios based on client specifications to resolve existing issues.
- Boosted network performance and user experience by optimizing 5G PDCP/MAC layer throughput.
- Ensured high system availability by resolving critical issues in 5G PDCP/MAC for clients such as NOKIA and LG.
- Executed Sanity and Regression testing utilizing Jenkins Automation tool to ensure robust software performance.
R&D Software developer
Nokia
Bangalore
10.2021 - 04.2024
- Developed 5G WebEM functionalities to enhance operators' debugging capabilities for R&D parameter management.
- Created 5G TDD MAC EIRP control with new TTI parameters and PM counters for performance monitoring.
- Authored unit test cases for functional coverage and SCT scenarios to validate enhanced feature testing.
- Ensured LTE Inter-CA compatibility between ENBs, maintaining network stability during upgrades.
- Provided critical support for system and entity testing (Precheck/Protos) using deep knowledge of 5G MAC scheduling.
- Troubleshooted and resolved various customer-reported issues (ERAB failure, UL/DL BLER, sleeping cell failure, handover issue, RLC retransmission, attach/detach failure, throughput degradation), improvingcustomer satisfaction.
- Collaborated across teams to troubleshoot and address significant network issues effectively.
Software Engineer
TCS client (Viavi/TM500) & Ericsson)
Hyderabad, Telangana
12.2018 - 10.2021
- Developed Aeroflex TM500 UE MtsclearMts command with Service End batching parameter, enhancing mobility and traffic simulation capabilities as per Ericsson requirements.
- Implemented interface, command parsing, config DB, and application code changes, ensuring seamless integration of new functionalities.
- Interpreted and applied Command Reference Manual (CRM) specifications for new commands, ensuring accurate implementation and compliance.
- Analyzed customer logs (Ericsson, TMS500/E500, AT&T, Airtel, Mobily Saudi) to proactively identify and resolve faults, contributing to bug fixes and interface upgrades (Inter-Site CA failure branch-out solution).
- Utilized expertise in TM500/E500 module components (MTS/MTE/DTE) to effectively simulate and analyze network behavior.
- Analyzed Layer-2 signaling messages to identify and resolve network KPI issues (Rach attempt / RRC success rate /failure), improving network performance.
- Addressed customer issues (ZTE/ Facebook /Ericson) by analyzing KPI reports and providing effective solutions.
- Utilized TM500 tool TMA (Test Mobile Application) to understand and troubleshoot protocol and command-line logs.
Senior Sys & Design Software Engineer
SASKEN (Intel client)
Bangalore
07.2018 - 11.2018
- Enhanced project execution using Intel's 4G modem project development methodologies.
- Identified critical bugs by executing thorough test cases aligned with client specifications.
- Ensured client satisfaction by reporting software defects, facilitating quality enhancements.
Software Engineer
SAI Technology PVT
Chennai
04.2015 - 06.2018
- Demonstrated knowledge of LTE Network Nodes (MME, S-GW, P-GW, PCRF, HSS) in network architecture and functionality.
- Applied extensive knowledge of LTE layers (RRC, PDCP, RLC, MAC Layer protocol) to develop and troubleshoot network issues.
- Understood LTE 3GPP specifications and developed test cases for Sidelink project (D2D device), contributing to innovation in direct device communication.
- Developed LTE Advance Side link PDCP, enabling direct UE-to-UE communication without eNodeB intervention.
- Developed LTE Advance Side link MAC, optimizing resource allocation for direct device communication.
- Participated in developing, documenting, and implementing the code strategy, promoting best practices and code maintainability.
- Resolved various integration issues during module integration, ensuring seamless system functionality.
- Provided bug fixes and assisted testers in debugging, contributing to overall software stability.
Education
B. Tech - ECE
JNTUK
Andhra Pradesh01.2014
Intermediate - MPC
Board of Intermediate
Andhra Pradesh01.2010
SSC -
Board of Secondary Education
Andhra Pradesh01.2008
Skills
- LINUX OS
- LTE layer 2 (PDCP & MAC)
- 3GPP specification
- TM500/E500( Test mobile Application)
- Ericsson tools (Ltesim, Uctool, CSIM, FSUE)
- NOKIA debug tools
- LTE MAC Scheduling process
- Performance monitoring
- System integration
- Problem solving
- Customer support
- C/C
- Linux
- TCP/IP
- GBD make
- Git
- Vim
- Wire shark Protocol Analyzer
- GDB
- K scope/Eclipse/Visual studio
- Test Analyzer/UP Analyzer
- TTI traces and TTI filter
- LTEPAT (KPI Analysis)
- EMIL
- TLDA
- clear case
- Team city
- pre sub
- Rav testing
- Unit testing
Certification
Embedded Training Certification, Demonstrated proficiency in embedded systems development.
Awards
- TCS Business Excellence Award, Recognized for outstanding contributions to business goals and project success.
- Spot Award, Acknowledged for exceptional performance and dedication to resolving critical issues.
Timeline
Senior Software Engineer
Capgemini
04.2024 - Current
R&D Software developer
Nokia
10.2021 - 04.2024
Software Engineer
TCS client (Viavi/TM500) & Ericsson)
12.2018 - 10.2021
Senior Sys & Design Software Engineer
SASKEN (Intel client)
07.2018 - 11.2018
Software Engineer
SAI Technology PVT
04.2015 - 06.2018
B. Tech - ECE
JNTUK
Intermediate - MPC
Board of Intermediate
SSC -
Board of Secondary Education