Ravindra Sharma
Senior technical Staff( O-RAN Test Engineer)
Bengaluru,Karnataka
Summary
To be a part of an organization where in my skills, potential and knowledge both technical and personal could lead to organizational growth and personal effectiveness.
Competent and diligent Telecom professional with Total Experience of 15+ years and relevant Experience as NR & LTE Protocol Test Engineer (7.5 yrs.) Good Experience in NR 5G Protocol Testing, Functional Testing, Performance Conformance Testing, Unit-Testing, Load-Testing, Sanity-Testing in NR-5G. My core competencies include – O-RAN Testing, UE side testing, GNB Side Testing, Analyzing logs. Good hands-on experience of preparation & analysis of different types of Network & KPI reports. Good Understanding of Network Architecture, Interfaces, PHY (Layer1), MAC, RLC, PDCP (Layer2) and RRC & NAS (Layer3) in LTE. Strong Knowledge in End-to-End flow of 5G Network Architecture (SA). And 5G Parameters and entity. Experience in test case design as per the 3GPP for SA/VoLTE/(CA).
Experienced technical professional prepared for senior-level responsibilities. Adept at software development, system architecture, and problem-solving. Strong focus on team collaboration and delivering results. Reliable and flexible with changing needs. Skilled in programming languages, project management, and technical troubleshooting.
Overview
15
15
years of professional experience
Work History
Senior Member of Technical Staff
Mavenir Systems Pvt. Ltd.
06.2022 - Current
- Currently Working in Mavenir Systems Pvt
- Ltd
- (Bangalore)
- Working as Test Validation engineer on DISH Network (Dalas US)
- E2E knowledge of O-RAN setup, Design Test case’s with different aspects and create xmls to execute the RAN Cell-UP
- Knowledge of CU-UP, DU & RU, make test plan and create xls to upload in CMS platform for the RAN environment
- G-NB load bring up and test E2E call verifications to ensure Regression/Basic Sansity test is working fine
- Have done various Chipset validation project for Qualcomm, Mediatek, Samsung on DISH
LTE Test Engineer
Huawei
10.2019 - 05.2021
- Previously working on DU project UAE
- Checking logs message in LINUX Machine environment, Load Testing & Stability Testing for eNB
- Experience in Base Station Bring up mechanism and logs
- Experience in Package Release basic Sanity Testing
- Experience in O-RAN Testing function N41/N71 NAS/SA
- Worked in Initial-Attach, Detach procedure, RRC-Connection Re-Establishment, S1 release
- Performed basic analysis of test cases and logs (using QCAT) providing efficient means to debug them
- Involved in regression and functional testing for each software release
- Worked on scenarios related to S1 and X2 Handover with different Build
- Experience in testing of LTE eNB, Experience in testing of LTE eNB functional scenarios (MIMO, Throughput, CSFB, CA) and system testing
- Checking logs message in LINUX Machine environment, Load Testing & Stability Testing for eNB
- Recording and Debugging Logs using QXDM, Wire Shark
- Performed basic analysis of test cases and logs (using QCAT) providing efficient means to debug them
UE Test Engineer
Samsung India Electronics Ltd.
04.2018 - 08.2019
- I have Worked for Jio Project, and the aim of the project is System Integration which is required for tested before implementation on field at End customer which also involves End to End testing, Integration testing Worked in LTE Throughput Testing
- Successfully performed Sanity testing and collected the logs in case of issue
- Experienced in executing throughput test for various signal strength and signal quality scenarios
- For e.g., Weak, Medium and Strong Signal conditions
- Experience in Base Station Bring up mechanism and logs
- Involved in regression and functional testing for each software release
- Performed basic analysis of test cases and logs (using QCAT) providing efficient means to debug them
- Executing RRC/MAC test scenarios and analyze failure test scenarios
- Responsible for LTE Layer 3 (RRC/NAS) analysis for troubleshooting issues like access failures, RRC drops and handover failures
- Worked on scenarios related to S1 and X2 Handover, IMS VoLTE
- Testing of multiple scenarios of Initial-Attach, Detach procedure, RRC-Connection Re-Establishment, S1 release and Radio Link Failure (RLF) issues for CA, HO, Path switch Failure as well as RSRP imbalance in throughput test case
Test Engineer
Nokia
03.2017 - 02.2018
- Worked for Etisalat Project Abu Dhabi, Performing Mobility as well as stationary test cases to check device compatibility with network
- Testing of EUTRA wireless protocol stack in Mobile Handset on UE side
- Experience in basic Functional & Performance test (MIMO, Throughput, CSFB, CA ) and system testing
- Testing of Multiple Scenarios of Attach, Detach and RRC Failure Scenarios and also involve issues related to S1 interface involving S1 logs and base station logs related to L3(RRC, RRM , SON, OAM)
Optimization Engineer
08.2012 - 01.2017
- Highlighting the issues observed and collecting the logs
- Performing Mobility as well as stationary test cases to check device compatibility with network
- Log capturing and analyzing the fail/issue logs and find out the root cause whether it is Network issue or Device issue
- Identifying coverage & quality issues recommend appropriate solutions to meet the agreed KPI thresholds
- Validate the Filed logs and perform parameter tuning to improve network to end user
- Check the basic sanity in report for RSRP/Throughput/SINR/PCI Plots and other required parameters or malpractices done
- Performing Mobility as well as stationary test cases to check device compatibility with network
- Log capturing and analyzing the fail/issue logs and find out the root cause whether it is Network issue or Device issue
- Observe & Troubleshoot Exception case for DL TRAFFIC, CQI, IP THPT
- Monitoring & troubleshooting various KPI(session Success rate, DL/UL Throughput failure case & how to improve, Drop rate etc.)
Education
Bachelor of Technology - Electronic & Communication Engg.
B.I.T BHAWANTPURAM
01.2009
Skills
- Network engineering
- DevOps practices
- Testing and troubleshooting
- Microsoft office
- Technical troubleshooting
Languages
English
Hindi
Professional Snapshot
15+ years & 7.5 years in RAN Testing, UE Log testing, G-NB Testing, Analyzing logs, NR Protocol Testing, Functional Testing, Performance Conformance Testing, Unit-Testing, Load-Testing, Sanity-Testing, PHY (Layer1), MAC, RLC, PDCP (Layer2), RRC & NAS (Layer3).
1.Since last 2.5 years, working as NR Protocol test Analyst with Qualcomm, MediaTek & samsung chipset for DISH Network (Dalas).
2.Have depth knowledge of UE Log with respective vendor tools and Network call flow with wireshark.
3.Engagement with vendor and Developers for multi UE chipset issue and G-nB issue.
Toolsused
- QXDM
- QCAT
- PCAT
- DM Shannon
- NLT
- ELT
- MITAX
- QMITestPro
- WIRESHARK
- GENEX PROBE
- XCAL
- ActixOne
- ASSISTANT
- MIPT
- Google Earth
- NET-Monitor
- TEMS
- VUZE
- JCP
- SITEFORGE
- IMNOs
- ENM
- Secure CRT
- True Call
Developmentplatforms
- Linux
- Kubernetes
- Azur
- GitHub
- Windows
Educationcredentials
Bachelor of Technology in Electronic & Communication Engg., B.I.T BHAWANTPURAM under UPTU, 2005-2009
Disclaimer
I hereby declare that the information stated above is correct to the best of my knowledge.
Personal Information
- Passport Number: U4957917
- Date of Birth: 02/04/88
- Nationality: Indian
- Marital Status: Single
Timeline
Senior Member of Technical Staff
Mavenir Systems Pvt. Ltd.
06.2022 - Current
LTE Test Engineer
Huawei
10.2019 - 05.2021
UE Test Engineer
Samsung India Electronics Ltd.
04.2018 - 08.2019
Test Engineer
Nokia
03.2017 - 02.2018
Optimization Engineer
08.2012 - 01.2017
Bachelor of Technology - Electronic & Communication Engg.
B.I.T BHAWANTPURAM
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