DEPUTY 4G RF TECHNICAL LEAD
Huawei Indonesia
Total des années d'expérience :19 years, 4 Mois
- Lead optimization activities for 4626 MOCN sites in the East Java area for the 4G system.
- Manage the team for statistical analysis, KPI benchmarking, and Optimization activities 4G.
- Working closely with the team to analyze and troubleshoot WPC on a daily & weekly basis (CQI 7, Rank 2 10%, and Congestion (EUT 1.4 & PRB Utilization 92%).
- Supervise daily health checks for Availability, Zero Traffic, S1/TNL Issue, Last TTI 40%.
- Enhance the network performance and quality by conducting monthly audits of the 4G parameters.
- Assist the team in optimizing 4G load capacity through the Vertical/Horizontal Balancing method.
- Follow up with the planning team to expand capacity at congested sites that cannot be optimized.
- Fulfil Customer tasks for Bad MR analysis and develop improvement plans.
- Improve the coverage of Band L900/L1800 by using the homogenization tilt technique.
- Distribute audits of deep RET tilting and its correlation with Payload degradation.
- Create a plan and establish a target deadline for the payload/revenue improvement program.
- Define HOS sectors that cover non-potential areas and distribute them to the team to be optimized.
- Form a team for FFT Scan and intermodulation test to investigate high UL RSSI -95 dBm and communicate findings to the Customer.
- Drive the team for a monthly routine check of 4G Power related to power license / RRU Capability issues then escalate to BSS.
- Conduct extensive drive tests to evaluate network performance and identify areas for improvement.
- Monitor progress antenna tuning (tilting and orientation) and make sure implemented as planned.
- Implement innovative features and strategic parameters to drive continuous improvement of KPI.
- Provide insight and strategic recommendations for improvement of CQI, Rank2, and Congestion.
- Proficient in an Inter-working Layering Strategy with strategic precision (Idle, Conn. Mode, and MLB).
- Produce Insight into feature strategic parameters for handling customer complaints support.
- Support technical strategic optimization for concerts, sales events, market visits, and BoD meetings.
- Technical support handling in customer discussions related to strategic network improvement.
- Worked with data analysis, developed a dashboard, and produced data visualization for the report.
- Prepare Weekly MOCN optimization report, and feature & strategic report, then assist Leader in presenting it to customer top management.
- Developed high-level reports for management, providing insights into network improvement.
- Attending all RF customer meetings and preparing all related material.
- Mentoring junior engineers and contributing to their professional growth.
- Successfully implemented trial, roll-out and reporting of LTE eRAN16 Feature and Strategic parameter (Super BAND, e-MIMO Remaining Power Use, e-MIMO Dynamic NPREO, ANR Removal based on HOSR, Air Interface Delay Optimization, Frequency Priority Handover with Load Consideration, CDRX Fine Tune, PDCP Discard Timer, MRO Optimization, Disable QCI 6 Anchor on FDD, etc.).
- Successfully implemented trial, roll-out, and reporting of VoLTE Feature and Strategic parameter, and reporting the result (Enabling ROHC, VoLTE DRX Optimization, VoLTE Coverage Enhancement, Voice Frame Recovery, VoLTE Channels optimization (PDSCH, PDCCH, PUCCH, PUSCH), etc.).
- Proactive fulfilled monthly audit for 4G Feature and Strategic parameters already implemented (MLB Strategy, Interworking Layering Strategy, Carrier Aggregation, CQI & SE Optimization, Video Optimization, Modulation and Transmission Mode, CSFB, etc.).
- Delivered Network Insight and strategic recommendations such as reducing big gap load between carriers, red cells/congestion L900 solution, precision Interworking layering, congestion relief impacted from Covid, throughput, and bad video experience cases in particular areas, etc.
- Skilled optimization inter-working layering and MLB parameters for load balancing between carriers.
- Mastering Massive MIMO optimization, Carrier Aggregation, VoLTE, CSFB, and power configurations.
- Proficient in sector splits optimization, traffic-sharing, and throughput optimization,
- Collaborated joint optimization with the Core team for Gaming Improvement by implementing strategic parameters from the RAN part related to optimizing QCI (QCI4, QCI 8, and QCI 128).
- Supported crowd handling from strategic parameter parts at big events such as music concerts.
- Assisted the VIP team in solving complaints with the strategic parameter approach.
- Provided technical support in customer discussions related to features and strategies.
- Analysed the vast amounts of data such as KPI data, Red Site data, and OOKLA data and produced the output as network insight, dashboard strategic monitoring, and data visualization for the report.
- Developed automated reporting to improve time efficiency.
- Created impactful visual representations (such as charts, graphs, and dashboards) to convey effectively trends, patterns, and key findings.
- Provided weekly feature strategic implementation reports, and presented them to the customer.
- Produced high-level reports for customers, providing insights into network improvement plans.
- Led network KPI improvement in Inner Jakarta, covering 2922 sites across 5 zones (Prime Zone, POI, Road, Toll, and Train Route) and served by 4 carriers: FDD (L900, L1800, L2100) and TDD (L2300).
- Managed 4 Senior RNOs, 1 RF, 2 OSS Engineers, 3 Riggers.
- Successfully Implemented LTE e-RAN 13 features and strategic parameters such as MLB based on active user, CEU UL MCS optimization, TDD CCE optimization, inter-site MLB, MLB co-sector, aggressive MCS, frequency priority handover, video SGBR optimization, and HO policy using RSRQ and RSRP.
- Well-organized the team in monitoring daily KPIs and responded promptly to network issues.
- Met KPI targets by collaborating with the team to improve various metrics including CQI, Spectral Efficiency, Red Site, OOKLA Throughput, OOKLA Coverage, OOKLA Benchmarking, and Tutela.
- Improved KPI performance by managing the team conducting monthly 4G RAN parameter audits (Idle, and connected mode, MLB, carrier aggregation, Transmission Mode, MIMO, CSFB, etc.).
- Succeeded in monitoring 4G congestion by applying the Red Site method and providing the solution.
- Fulfilled worst cell optimization, root cause analysis, and improvement plan solutions in one day.
- Conducted drive tests to evaluate coverage and quality, then identify areas for improvement.
- Monitored antenna tuning progress and made sure it was implemented as planned.
- Provided support on concert events, and sales events (strategic and crowd-handling parameters).
- Quickly supported customer complaints by optimizing parameters from the network KPI part.
- Abled to interact with customers, have strong communication skills, and provide technical solutions.
- Analyzed big data to produce network insights related to KPI improvement, made daily dashboard monitoring performance, and produced data visualization for the report.
- Developed automated reporting tools, improving efficiency.
- Continually produced weekly reports, monthly reports, and insight reports for Telkomsel regional.
- Weekly meeting handling with HQ Customer Telkomsel for Prime Road KPI optimization progress.
- Complete submitted Acceptance Report documents at the end of the project.
- Collaborated with team handling for Swap & MIP project Nusra, which covered 5 Islands and 1989 LTE sites, with 4 carriers: FDD (L900, L1800, L2100) and TDD (L2300) in 2019.
- Collaborated with team handling for Swap & MIP project Bali, which covered 5 zones and 1464 LTE sites, with 4 carriers: FDD (L900, L1800, L2100) and TDD (L2300) in 2018.
- Successfully implemented trial, roll-out, and reporting of LTE e-RAN 13 Features and Strategic (DL Precise MCS, UL PAMC, Dynamic BLER Enhancement, Spectrum Coordination, MBOCS for TDD, PDCCH Power Enhanced, Enhanced UL Comp, MCS Selection with Prioritized RB, Layering FDD).
- Successfully implemented trial, roll-out, and reporting of LTE e-RAN 12 Features and strategies (Optimize RBG allocation strategy, PDCCH Code Rate Optimization, TDD beamforming, Turn on CQI adaptive step switch, ACH, CQI false detection, Video Service Rate Adaptation).
- Fulfilled Monthly audit routine for baseline parameter already implemented (inter-working layering, basic feature, MLB, carrier aggregation, CSFB, Transmission Mode, MIMO, ANR, Reselection FDD/TDD to 3G, audit Power config FDD 2W/MHz and TDD 1W/MHz).
- Surpassed Huawei KPIs target (CQI 7 80% and SE 1.5) by well-optimized 4G parameters.
- Well-monitored and Improved GGC YouTube performance for goodput below 3 Mbps.
- Achieved better coverage and a better throughput network by optimizing RS power, Pa, and Pb.
- Succeeded in upgrading FDD 5 MHz to 10 MHz, FDD 10 MHz to 15 MHz, and FDD 15 MHz to 17.7 MHz
- Took action on POI failure and provided action recommendations (CSSR, SDR, Packet loss, Latency).
- Proficient in Drive test post-processing, layer 3 message analysis, and producing recommendations.
- Well-optimized antenna tilt and orientation based on DT analysis, Propagation delay, and KPI.
- Supported optimization for concert events, sales events, market visits, and religious holiday events.
- Worked with data analysis, developed a dashboard, and produced data visualization for the report
- Developed automated reporting to improve time efficiency.
- Produced routine weekly and monthly reports for Swap & MIP Project, Insight, and strategic reports.
- Developed insight related to productivity and throughput, aligning it with the strategic plan.
- Fulfill submitted All Acceptance Report documents at the end of the project.
- GUL (GSM UMTS LTE) Regional Project Manager for the entire Kalimantan region, managed Ericsson’s and Nokia’s networks, covering around 4264 sites in 13 Broadband cities.
- Managed 5 Senior RNOs, 15 Junior RNOs, 4 OSS, 2 DTA, 10 DT Engineers and 14 Riggers.
- Involved in project budget handling, identifying costs, and ensuring financial objectives are met.
- Developed RF team setup, resource planning, task allocation, and set up RF processes.
- Supervised project implementation, and delivery solutions, and made sure all of them were submitted as an agreement time plan.
- Interfaced with Customers, managed escalations, acting as a single point of contact for the client.
- Ensured client satisfaction by addressing concerns and managing expectations.
- Communicated project progress, risks, and issues to stakeholders and senior management.
- Driven and monitored the team for daily routine 4G / 3G optimization activities to make sure all activities are continuously done and result in Improved network performance and quality.
- Tracked closely with the team for progress achievement on RAN availability, RAN coverage, RAN productivity (utilization/revenue improvement), RAN quality, and RAN Throughput.
- Attended all customer meetings, preparing all related material, and presenting it to customers.
- Handled Weekly and Monthly Project Meetings with Telkomsel regional and Telkomsel headquarters.
- Produced automated reporting tools with the team that have significantly improved efficiency.
- Distributed to the team for weekly/monthly reports and insight report items and finalized them.
- Conducted post-project evaluations, lessons learned, and implemented continuous improvements.
- Provided performance evaluations and career development discussions, and identified training and skill development needs for the team.
- Optimized resource allocation to maximize efficiency and productivity
- Complete submitted Acceptance Report documents at the end of the project.
- Collaborated with the team to manage the 4G/3G Indosat network in Bali, consisting of 577 sites.
- Improved 4G/3G Network KPI performance by daily monitoring and optimizing using PRS and Nastar.
- Surpassed Network KPIs target by solving worst cells performance daily.
- Abled to improve the network KPI by conducting weekly network audits of 4G/3G parameters.
- Completed 3G Neighbor weekly audit for intra/inter-frequency, and inter-rat relations.
- Fulfilled 4G/3G Consistency check (basic parameter and basic feature) in every new site on air.
- Supported implementation and monitored KPI performance of 4G/3G features strategic parameters.
- Managed congestion handling and issuing capacity/license upgrade requests whenever needed.
- Provided deep analysis of LTE/UMTS Network problems with Nastar (Call tracing, Geolocation Optimization, Pilot Pollution, Neighbor optimization).
- Produced network assessment for payload and coverage improvement program and discussed with the RF Team Leader.
- Conducted High RTWP monitoring & troubleshooting handling (using FMA / FFT Test).
- Completed 4th Carrier implementation on the 3G network and troubleshooting for degradation.
- Assisted re-homing activity including preparing neighbor relations and 4G-3G Interworking Layering.
- Proficient in Drive test post-processing, layer 3 message analysis, and producing recommendations.
- Well-optimized antenna tilt and orientation based on DT analysis, propagation delay, and KPI
- Processed big data analysis, made 4G/3G dashboard monitoring daily performance, and produced data visualization for the report of the Leader.
- Produced Weekly and Monthly network performance part of network KPI analysis, network improvement activities, improvement case, drive test analysis, and benchmarking report.
- Optimized WCDMA Ericsson network for TiGO Senegal based on user experience & network KPI.
- Successfully Implemented WCDMA strategies and features to improve user experience (HSDPA Flexible Scheduler, HSDPA Code Multiplexing, HSSCCH Power Control, HSDPA Incremental redundancy, Enhanced Uplink 2ms TTI, Fast Dormancy, Call Re-establishment, Channel Switching, Admission Control, DL power mapping, improving FACH and RACH coverage, Power Control, RCS Timer, HSDPA mobility, UE Retention in 3G, IRAT setting, Compress Mode).
- Monitored and analyzed 3G network KPI improvement, and checked correlation with features and strategic parameters implemented (CSSR, CDR, SHO, ISHO, and Throughput) by using Ericsson BOs.
- Monitored and analyzed 3G user experience output using CEM tools after implementation of 3G features and strategic parameters (survey customer satisfaction, coverage issue, voice quality, and data throughput output from smartphone).
- Regularly produced weekly reports on Strategic and Feature implementation related to the improvement of user experience and network KPI, and presented them to the client.
- Actively performed analyses of GPEH data by using AexioXeus to get root cause analysis for the KPI degradation problem and combine analysis with CEM tools.
- Produced network insight from CEM tools and Ericsson BO, then made it align with strategic parameters and features implementation plan to improve user experience and network KPI.
- Collected and appended data from CEM tools and Network KPIs, provided dashboard Performance monitoring daily, and produced data visualization for the report.
- Developed automated reporting tools, improving efficiency.
- Interfaced with the client and managed escalations, acting as a single point of contact for the client.
- Regularly provided RF training and knowledge sharing to RF Optimization Engineers.
- Delivered the final acceptance report to the customer and provided the results to the project team.
- Made a final report after all features and strategic parameters were successfully implemented, and presented them to TIGO top-level management (CTO and GM RF).
- Managed 3 RNCs; around 400 NodeBs; using 2 frequency carriers (U2100) for the Telkomsel project.
- Managed 2 RNCs; around 180 NodeBs; using 2 frequency carriers (U2100) for XL Axiata project.
- Mastering 3G parameter optimization to drive continuous improvement of KPI.
- Performed Daily monitoring and optimizing 3G KPI (RRC, RAB, CCSR, HS Throughput) using PRS.
- Optimized worst cell analysis and provided the solution for KPI improvement by using PRS and Nastar.
- Supported implementing some features and strategic parameters (CS Preemption PS, CS RAB loose CAC, PS Inactive Timer, PS BLER Target, Multi-RAB Call Drop Optimization, Fast Dormancy, Dynamic Target RoT Adjustment).
- Fulfilled consistency check of 3G parameters to ensure they have been set properly and correctly.
- Completed 3G & IRAT neighbor audit and fix missing neighbors by using Nastar.
- Bad Spot Optimization handling based on drive test and analysis of layer 3 messages using ACTIX & TEMS to improve coverage, call drop, accessibility, and reduce pilot pollution.
- Well-optimized antenna tilt and orientation based on DT analysis and propagation delay.
- Quickly supported customer complaints by optimizing parameters and antenna physical tuning.
- Provided support on big events and religious events handling.
- Monitored closely hardware alarm and availability issues, and follow-up escalation to the BSS team.
- Monitored closely packet loss, and follow-up escalation to the Transport team.
- Produced report-related optimization activity, lesson learned, and final acceptance document.
- Managed the 3G network for STC in the North Western area of Saudi Arabia after the swap from Huawei to Alcatel-Lucent. The network consisted of 2 RNCs, around 80 Node-Bs, and was using 3 frequency carriers (U900 and U2100).
- Improved Network KPI for swap sites by well-optimized 3G parameters and antenna physical tuning.
- Performed monitoring and analysis of 3G KPI (RRC, RAB, DCR, IRAT SR, HS Throughput) using NPO tools.
- Optimized and troubleshoot Worst Performance Cell every week and contributed to improving KPIs.
- Provided 3G site capacity and congestion handling (Power, Code, IUB, CE) after the swap.
- Successfully implemented some strategic parameters for KPI improvement and relieving congestion.
- Skilled in running call traces by using e-Dat (Access Invoked Call Trace - CTb) to provide detailed root cause analysis.
- Fulfilled monthly WCDMA RAN consistency check parameters (Alcatel-Lucent UA7).
- Continuously performed 3G - IRAT neighbor audit optimization using e-Dat (Neighbouring Call Trace).
- Supported the VIP complaint team and provided solution recommendation improvement.
- Analyzed Drive test log for swapped sites using TEMS12, find out problems (dropped/blocked calls, handover failures, missing neighbor, and pilot pollution)
- Antenna physical tuning handling (tilt and orientation) based on DT analysis and propagation delay.
- Collected hardware alarms daily, analyzed, and escalated finding issues using WMS.
- Worked closely with the BO & ALU performance team to solve any issue in the network.
- Proceed with data analysis and provide insight and a high-level report to the RF manager.
- Produced Weekly network performance report, part of network KPI analysis, network improvement activities, improvement case, drive test analysis, and benchmarking report.
- Managed the 3G Network for Vodafone in the Central and South areas in Qatar, covering 2 RNCs, 7 clusters, consisting of 250 NodeBs, and using 3 frequency carriers (U900 & U2100)).
- Performed monitoring and analyzing 3G QOS KPI (RRC-SR, RAB-SR, CCSR CS-PS-HS, DCR CS-PS-HS, IRAT SR, HHO SR, HS Throughput) on a daily and weekly basis using NPO tools.
- Improved network KPI by optimizing parameters and tilt (CSSR, DCR, ISHO, HHO, HS throughput).
- Weekly routine performed worst cell analysis using NPO and e-Dat, impacted on improving KPI.
- Proficient utilized WPS to develop and execute several 3G parameter feature strategies on an RNC / Cluster level to enhance KPIs like as UE retention in 3G, RRC Connection Setup Enhancement, UL RL Synchronization, RRC Re-Establishment, SHO, UL Load, Saving UE Battery life, Always on Activation.
- Actively supported some feature activation: HSUPA 5.7 and HSUPA 5.8.
- Proceed with RF analysis, troubleshooting, and call trace using NPO and e-Dat (CTa, CTb, CTg, CTn).
- Completed Consistency Check every month for 3G parameters (basic feature, handover, etc.).
- Fulfilled 3G & IRAT neighbor audit & optimization using e-Dat (Neighbouring Call Trace - CTn).
- Analyzed drive test log for Cluster Acceptance, Monthly SLA, and Benchmarking using TEMS10, 11, 12/Actix/Gladiator. Provided call tracing using e-Dat (Access Invoked Call Trace - CTb).
- Optimized the antenna's tilt and orientation based on drive test analysis.
- Produced Weekly network performance report, part of network KPI analysis, network improvement activities, improvement case, drive test analysis, and benchmarking report.
- Provided network data analysis and prepared insight reports for the RF manager.
- Successfully submitted cluster acceptance report based on drive test and KPI network statistics.
- Worked closely with Femto / IBS teams to make sure the Femto / IBS cell is working properly and neighbors created between macro sites and Femto / IBS cells.
- Assisted re-homing: provide radio network performance monitoring and analysis after re-homing is done and escalated for degradation sites related to Re-homing.
- Fulfilled daily live UTRAN monitoring alarm and escalated if any issues occurred using WMS.
- Interfaced with 3G ALU BO, O&M, and FO teams to follow up on issues found in the network.
- Supported the UTRAN team upgrades the capacity (ATM, IP, CE) and clearing alarms (VCCs, TX Instability, etc) before implementing the features.
- Led 3G Network Roll-Out and Managed Services project for HCPT in the East Java area, consisted 2 RNCs, covering around 180 NodeBs and using 2 frequency carriers (U2100)).
- Managed 6 RNCs; 500 NodeBs; Using 2 frequency carriers(U2100)) for the Telkomsel Project.
- Led a team consisting of 4 RNO engineers, 7 Drive Test engineers, and 10 Riggers.
- Successfully managed team for network KPI monitoring, improvement, and worst cell optimization by parameter tuning and physical tuning and also WPC analysis daily.
- Successfully collaborated with the strategic team to implement 3G feature and strategy (2nd Carrier Optimization, Cell Re-Selection, HS CM Activation, Mobility, Power Control, UL Synchronization).
- Closed coordination between Huawei headquarters and the regional team to deliver 3G network parameter audits monthly.
- Assisted the team in completing an audit of the 3G/2G database (LAC, RAC, CI, NCC, BCC & BCCH).
- Coordinated with the team for interference problem handling (high RTWP) and provided solutions.
- Worked closely with the team on coverage optimization from drive test results and traffic
- Conducted drive tests to evaluate network performance and identify areas for improvement.
- Tracked antenna tilt and orientation optimization based on DT analysis and propagation delay
- Supported 3G VIP complaints and found a fast solution.
- Presented to the customer in the RF weekly meeting regarding optimization activities progress.
- Completed delivery of Final Acceptance report for Roll-Out and Managed Services project
- Advanced RF analysis, troubleshooting and call trace using Nastar, M2000, LMT, and PCHR analyzer.
- Interfaced with Customers, managed escalations, acting as a single point of contact for the client.
- Completed ATP report delivery of 3 clusters area after swap NSN to Huawei.
- Performed KPI optimization after swap (CCSR CS-PS-HS, CSSR CS-PS-HS, SHO, IFHO, ISHO, Throughput).
- Surpassed Huawei KPIs target by well-optimized 3G network parameters.
- Completed daily 3G KPI monitoring and analysis (Accessibility, Retainability, Mobility, Integrity).
- Proceed worst cell optimization every week (Main KPI, sleeping cells, RTWP, Low throughput).
- Produced coverage problem analysis (weak coverage, Cross-Cell, no primary pilot).
- Perform capacity & congestion issue handling (CE, Power, Code, HSDPA user, IUB transmission).
- Supported PA upgrade for defined bad spot areas to improve coverage and quality.
- Collaborated with the team for Huawei parameter definition, optimization, and consistency check.
- Completed every week for neighbor tuning (Inter / intra frequency, inter-RAT, solved Co-PSC).
- Fulfilled Multi Carrier IFHO optimization and strategy for load balancing
- Prepared drive testing routes, post-processing analysis, and report using TEMS9 and Actix.
- Completed Antenna tilt and azimuth optimization based on drive test results and propagation delay.
- Produced Weekly network performance report, part of network KPI analysis, network improvement activities, improvement case, and drive test analysis report.
- Supported 3G VIP Complaints, big events, and religious events handling.
- Worked closely with the BSS team for Alarm and hardware issues by using M2000 & LMT.
- Led team consists of 5 RF Optimization Engineers, 8 Drive Test Engineers, and 10 Riggers.
- Led team for daily monitoring, KPI improvement, and worst cell optimization (call drop, call blocking issue, low CSSR, handoff failure).
- Performed CDMA RF strategic parameter definition & implementation for improving KPI.
- Assisted the team in optimizing coverage and load balancing optimization between the site and surroundings.
- Closed coordination with the team for Drive Test Cluster and Benchmarking report progress.
- Monitored progress antenna tuning (tilt and orientation) and implemented it as planned.
- Managed VIP complaints and assisted the team in troubleshooting and closing RF trouble tickets.
- Completed the RF acceptance report and delivery process for all documents.
- Produced network data analysis and making insight reports to the customer
- Interfaced with customers on technical support discussions on RF network optimization activities.
- Led Weekly & Monthly meetings for RF network optimization progress.
- Closed coordination with the BSS team for alarms and hardware troubleshooting impacted on KPI.
- Provided On-the-job training and sharing knowledge to RF Optimization Engineers.
- Completed new site audit & antenna check based on RF design prediction.
- Managed clearing new site alarm & hardware problems, and issues related to radio network KPI.
- Performed drive test measurement and post-processing analysis for new site & 1st tier surrounding site.
- Generated RF reports and recommendation optimization to improve RF performance.
- Completed Antenna optimization and adjustment for new sites and 1st tier surrounding site.
- Handled SCFT (Single Cell Function Test) and cluster drive test for new site expansion.
- Customer complaints handling for poor coverage area/drop call and conduct optimization.
GPA 3.02 from 4.0
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