Feb 2020 – May 2022 · 2 yrs 3 mos · Gurugram, Haryana, India

Mar 2019 – Jan 2020 · 10 mos

• 1. Massive MIMO Rollout in VIL
• Massive MIMO end to end Spoc for VIL UP West Circle. Massive MIMO Optimization includes in depth analysis basis syslogs, Emil traces, Mac TTI traces, Calibration issue check.
• Worked on Nokia 64TX/RX mMIMO product having 8 beams & supporting 16 layers in current release.
• Worked on Airscale AAHC and AAHF integrated RF Module massive mimo Antenna.
• Major focus of optimization includes increasing, Multi user gain, Dual layer stream usage, Enhancing Max connected users, End user throughput.
• Worst offender analysis, TL19 upgrade along with TL19 recommended Optimized parameters
• Optimizing Various profiles as per capacity and user throughput/clutter requirement.
• Improving Volte DCR through various parameter changes and feature optimization.
• 2. TMO USA
• 5G- Drive test trouble shooting. Resolving attach, Throughput, Rach issues for L600 Mhz 5G, ENDC.
• Major activities include preparing LTE OSS KPI based Single Site Tuning report, meeting KPI thresholds Pre/Post after integration of new layer. Important KPi’s like Voice and data AFR, Voice and data CDR, Traffic, UE throughput, Avg PUSCH SINR, avg RSSI, Intra and inter HOSR.
• Maintaining/ improving KPI’s of existing layers so that new layer addition does not impact existing Network KPI’s.
• MUSA based Coverage simulation layer wise to propose physical optimization changes to enhance over all RSRP, RSRQ and Coverage Pollution of cluster.
• TMO tools- One data, RFDS, ImNos, Actix One(Amdocs), Nokia Tools- Netact, Web element manager

Sep 2016 – Mar 2019 · 2 yrs 6 mos

• Weekly meetings with Idea Corporate. New Feature Implementation, Trials results discussion with Idea Corporate and Implementation across Circles.
• Trialed 30 + LTE features, discussed pros and cons with customer and implemented most of them at PLMN level.
• Worked extensively on MAC TTI trace tool to deep dive at TTI level PDCCH blocking issue, TBS data volume, User scheduled per TTI. Usage of MIMO Codeword, CQI usage for codeword 1 &2.
• Using MAC TTI trace analyser tool to analyse issue in network for low PDCP throughput of uplink as well as downlink , RLC volume, by correlating with data volume carried over TBS, MIMO mode used, PRB assigned, CQI & Rank Indicator usage.
• Layer 3 & Layer 2 analysis of RRC, PDCP, MAC , RLC protocols.
• Highlighting issues observed at Layer 2 including MAC & RLC and taking up with R & D for urgent resolution based on customer feedback.
• New Software release feature trials include FL17A, TL18A,SRAN17A, SRAN18, Airscale.
• LTE license Management, Calculation based on software release , hardware type.
• Dashboard Formulae discussion, new software implementation, Interworking parameter tuning.
• Consultation to circle team on critical issues and parameter Optimization.
• UE Logs, Wireshark Logs, Emil Trace analysis, layer 3 analysis for critical issues.
• Discussion of Critical Issues with Idea Corporate and taking up internally with Nokia Solutions experts, Product line , Care team & R & D.
• Supporting TDD -Rollout, TDD-FDD layering interworking strategy.
• Volte Parameters & Feature Implementation at Radio across all Idea Nokia Circles.
• Voice call testing on QCI1, Video call testing and troubleshooting, SRVCC Troubleshooting.
• NPO LTE expert support to care team in analyzing resolve case related issues raised by customer.
• Vodafone Idea- Massive MIMO trial and KPI Optimization.

Nov 2015 – Nov 2016 · 1 yr

• LTE Optimization Engineer
• LTE FDD Network rollout, created SCFT Process for vendors. SCFT reports review, helped vendor teams in troubleshooting field issues while doing SCFT.
• Post LTE Rollout, worked as part of supervisory managed services wherein maintained LTE KPI's.
• Worst cell analysis on daily basis, weekly review with Idea circle team.
• Throughput Improvement plan, New LTE feature Implementation, parameter Audit, TAC Audit, CSFB, Fast return to LTE issues were major deliverables.
• Delivered Knowledge sharing sessions to Idea circle teams to enable them with Nokia system and Optimization activities.
• At circle level, helped Idea teams in troubleshooting critical i issues whenever Nokia support was requested by Idea.
• My Performance at Circle level was appreciated & acknowledged by Nokia Head of Services for Idea account and I was moved to Central NPO team of Idea CT.

Dec 2009 – Sep 2013 · 3 yrs 9 mos

• 1) WCDMA Optimization Project-Claro Argentina
• Preparation & delivery of Single site Verification report for Claro Argentina Network .
• Worked as SPOC for 3G Optimization activity for a team of four Engineers.
• Optimization of the 3G network by Post Processing 3G Drive test TEMS & NEMO Log Files using Actix Analyzer.
• Layer 3 Analysis of 3G log files coverage ,quality requirement & relevant recommendations.
• Physical Optimization, checking Swap, azimuth & Tilt Requirements.
• 2) UMTS RF Planning & Optimization Project- SFR France
• Neighbor Planning done for 2nd and 3rd carrier expansion using MapInfo Tool for SFR France.
• Real time Parameter and KPI validation for newly activated carrier.
• Neighbor Audit for sites having 2nd and 3rd carrier additions using MapInfo tool.
• KPI Optimization for newly integrated carriers & Providing relevant recommendations

Dec 2009 – Sep 2013 · 3 yrs 9 mos

• 3G Optimization of various Networks across globe.

Sep 2013 – Nov 2015 · 2 yrs 2 mos · Greater Kolkata Area

• 1) AT&T USA VOLTE Performance Optimization
• Working as POC for AT & T market to Optimization VOLTE KPI’s.
• VOLTE worst cells identification of QCI1 Retainability, QCI1 Accessibility, SRVCC offenders on daily basis.
• Analyzing root cause of QCI1 KPI degradation and providing high level recommendation to improve these KPI’s.
• .
• 2) Performance Optimization of Sprint USA Network
• Optimization of LTE network for the well-known service provider Sprint in North America Region, Investigate National KPI performance and provide clear improvement plans.
• Extensive experience proposing post-launch Optimization changes and tracking improvements towards target KPIs/SLAs.
• Performed Network/Node Reviews/Audits, Worked on several Outstanding issues from Customer end like Day light Saving, IFHO (Inter Frequency Handover), IFLB (Inter-frequency load balancing), Inter Mode Handover(FDD-TDD Handover).
• Expertise on several System Constants of LTE network like( SC556, SC503,SC872), Which help to optimize and resolve issues like Traffic Congestion, MP Highload/Overload, TimingAdvance.
• L14A Feature implementation, Hi Cap Implementation for highly loaded sites.
• Implementing parameter changes and Parameter audits, collecting regular network parameter dumps.
• Providing resolution to bad LTE KPIs, Worst cell offender analysis.
• Parameter level expertise on Ericsson System latest Release.
• 3) LTE Optimization & Tunning for SPAIN YOIGO
• Preparation & delivery of Single site Verification report for Spain Yoigo .
• Coverage Analysis and improvement plan.
• Alarm check in OSS and raising TT to clear.
• Raising CR to change parameters.
• Call drop analysis through layer 3 message using TEMS Investigation Tool.
• Overshooting and Swap check analysis of each site.
• CSFB Block call analysis through layer 3 message and recommendations
• FTP Upload/Download error analysis and recommendations.