Saurabh Kumar Tripathi

• Performing Software & Hardware testing for new release features & products
• Analysis of 4G,5G(SA,NSA) counters and KPIs and identifying RCA for degradation
• Performing various use case RAN testing & PoCs such as Network Slicing like eMBB,Gaming & Enterprise slices, Nb-IoT etc
• Performing end to end analysis of issue logs & concluding Root cause of issue, forwarding to concerned team for timely resolution
• Root cause analysis of any KPI degradation with relevant counters & ue/eNodeB logs & layer 3 messages analysis
• Performing 4G,5G, eNodeB, EN-DC product testing in lab verification of product performance counters/KPIs and sharing results to all stakeholders
• Analyzing & identifying RRM related issues for ue admission
• Layer 3 logs analysis in for proper testing of wireless,5G products
• Analyzing layer 2, layer 3 messages through TCP/IP dump & Linux commands by logging in to eNodeB & analyzing system parameters, corrupted/missing files/ binaries, running private builds & concluding Root cause for issues
• Analyzing various system issues post new feature or Software upgrade & root cause analysis to raise to Design team for debugging & solution
• Involving in Automation testing for regression tests through AAT tool for Quarterly Software releases & troubleshooting with vendor team
• Logs Analysis of NgAP, XnAP, GTP, S1AP,X2AP pcap logs for attach rejects, Throughput issues, call drops & Handover failures
• Escalating any bug found during testing to Design/Software team for providing fix
• Managing & tracking test cases & defects in JIRA portal
• New features testing in lab
• Performing Satellite Backhaul testing
• Performing Network slicing, Private Networks related testing
• Performing MORAN testing
• Monitoring of product performance KPIs/counters post new software version upgrade
• Testing new software versions in lab & field for performance assessment & sharing results with Design/Software team
• Discussing critical issues like Accessibility, Mobility, Quality, Integrity, Degradation of Radio products performance with Design team for timely modification in new release
• Releasing release notes after completion of product stability testing
• Writing & conducting test cases based on requirements & HLD/LLD documents from OEM vendor
• Creating various load, coverage, interference scenarios through TM-500 Aeroflex ue simulator & Viavi load generator
• Regular discussions with Network Design team for any software related bugs for fix in next release

• Performing end to end analysis of issue logs & concluding Root cause of issue, forwarding to concerned team for timely resolution
• Performing analysis of KPIs & counters analysis for KPI degradation of network and finetuning related parameters
• Performing 4G,5G, eNodeB product testing in lab & field and verification of product performance counters/KPIs and sharing results to all stakeholders
• Testing RU performance through various test cases like Soak, Stress, Conformance, Stability etc for 7.2x ORAN SA split with Tx/Rx splitters
• Layer 2, Layer 3 logs analysis in for proper testing of wireless, Fixed Wireless Access,5G RU, CU, DU products based on COTS software
• Analyzing layer 2, layer 3 messages through TCP/IP dump & Linux commands by logging in to eNodeB & analyzing system parameters, corrupted/missing files/ binaries, running private builds & concluding Root cause for issues
• Analyzing various system crashes (Fail causes), DSP, TTI, clock issues & root cause analysis of system Panic logs, OAM, RRM, RRH, RU, DU, CU, K2K, SoC, Cavium logs to raise to next level Software/Design team for debugging & solution
• Analysis of CPRI flickering issues based on RRH OAM, CM logs & PLL/Clock sync analysis
• Escalating any bug found during testing to Design/Software team for providing fix
• New features testing in lab & field
• Monitoring of product performance KPIs/counters post new software version upgrade & conducting trials in coordination with Design team
• Testing new software versions in lab & field for performance assessment & sharing results with Design/Software team
• Discussing critical issues like System stability, Accessibility, Mobility, Quality, Integrity of Radio products with Design team for timely modification in new release
• Releasing release notes after completion of product stability testing
• Writing & conducting test cases based on requirements
• Creating various load, coverage, interference scenarios through TM-500, Simnovator(Simnovous) ue simulator
• Regular discussions with Development team for any software related bugs for fix in next release

• End to End Lab Testing of UE/eNodeB Protocol stack with real environment and simulated environment
• LTE/5G Feature Verification by testing feature in Lab by analysing UE level logs
• IMS testing for VoLTE services & performance
• Focus on UE/ eNodeB Testing, log analysis and verification
• Logs Analysis of Attach procedure CA registration and call flow
• Core related upgrade testing for MME/AMF upgrades
• Logs analysis of different scenarios using QXDM and QCAT log analysis tools
• Configuration at eNodeB side to perform LTE,5G Feature test and analyse UE logs
• Logs analysis of different layers (NAS, RRC) based on 3GPP Specifications
• Logs Analysis of GTP,S1AP,X2AP, call drops,Handover Preparation, Execution & completion phase
• NGAP, XnAP interface issues analysis & Mobility testing of same
• Attach procedure/Power on procedure Log Analysis
• Analysing Layer 2 related issues i.e
• MAC Layer, DSP issues, RLC layer, PDCP & SDAP layer issues
• Analysis & troubleshooting of failure scenarios, Radio Link Failure issues etc
• Analysis & troubleshooting of various Throughput cases
• Deployment, issue troubleshooting and find Root cause analysis
• Bug tracking and reporting the issues to the respective team and tracking same

• Network Operations support for customer account

• Handling RF Planning & Optimization related activities
• Performing 5G Network simulation in tool
• Performing parameter fine tuning to maintain 4G & 5G KPIs of customer network

• Performing end to end testing for RAN nodes
• EPC testing of all nodes and UE testing to add chipsets
• LTE,5G Feature Verification by testing feature in Lab by analyzing UE level logs
• Focus on UE/ eNB Testing, log analysis and verification
• Logs Analysis of Attach procedure CA registration and call flow
• IMS testing for VoLTE services & performance
• Logs analysis of different- different scenario using QXDM, QPST, XCAL and QCAT log analysis tools
• Configuration at eNB side to perform LTE,5G Feature test and analyze UE logs
• Analysis of Handover failures, call drops, poor throughput cases
• Troubleshooting of connection failures through ping tests, IPerf tests and network configuration verification

• Handling field testing & performing analysis of field test logs through Layer 3 analysis and root cause identification for failures
• Responsible for Radio Network Key Performance Indicators for troubleshooting & improvement of Accessibility, Retainability, Mobility & Integrity KPIs
• Continuous interaction with team for delivery improvement and troubleshooting major issues

• Handling & coordination for field testing & performing analysis of field test logs through Layer 3 analysis and root cause identification for failures
• Analyzing Drive test logs through Layer 3 message analysis in post processing tool
• Responsible for Radio Network Key Performance Indicators for troubleshooting & improvement of Accessibility, Retainability, Mobility & Integrity KPIs, Mute call rate, Latency improvement

• Responsible for Radio Network key performance indicators for troubleshooting Accessibility, Retainability & Integrity KPIs, Mute call rate, Latency improvement
• Handling & coordination for field testing & performing analysis of field test logs through Layer 3 analysis and root cause identification for failures
• Analyzing Drive test logs through Layer 3 message analysis in post processing tool
• Analysis of Log Files to check Drop Calls, Handover Failures, Bad Quality samples
• Performing Drive test for assessing network performance

· Responsible for Radio Network key performance indicators for troubleshooting Accessibility, Retainability & Integrity KPIs, Mute call rate, Latency improvement

· Handling & coordination for field testing & performing analysis of field test logs through Layer 3 analysis and root cause identification for failures.

· Analyzing Drive test logs through Layer 3 message analysis in post processing tool.

· Analysis of Log Files to check Drop Calls, Handover Failures, Bad Quality samples.

· Performing Drive test for assessing network performance.

• Performing Drive test for assessing network performance
• Analysing Drive test logs through Layer 3 message analysis in post processing tool
• Drive test data analysis for parameters like Coverage, Quality, Handovers, Call failures
• Responsible for Radio Network key performance indicators for troubleshooting Accessibility, Retainability & Integrity KPIs, Mute call rate, Latency improvement