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Didit Hermawan

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Last update: 09.06.2021

LTE RF Planning & Optimization

Company: Nexwave Technology
Graduation: degree Electrical Engineering Departement
Hourly-/Daily rates: show
Languages: English (Limited professional)

Attachments

CV_Didit Hermawan_Update May_2021.pdf

Skills

Huawei Service – LTE Optimization Consultant
RNO Leader - NPM XL – Jakarta – (April 2020 – Present)
Job Desk
  • Daily Monitoring and Network Improvement (Multiple Radio Layer, Multiple Technology, R-KPI, S-KPI) for Ericsson network
  • Strategic Plan, KPI target evaluation, and End-User experience management with Customer
  • City Optimization and Service Credit Optimization
  • Change the radio related parameters, VoLTE parameters, Carrier agregation & related features Audit and tuning also periodic network consistency checks.
  • Trial/pilot First Feature Implementation for global network
  • Supporting Global Event and VIP/VVIP Complaint
  • Spectral Eficiency,QPSK improvement,Load Balancing Optimization,Throughput improvement,CA Capability,
  • Feature Immplementation&Setting ELC, DL 256 QAM, UL 64 QAM, CA Aware IFLB, Data Aware UL Scheduling, UE Throughput Aware IFLB, Limited UL Aware IFLB, Related Capacity Differentiated Admission Control, Dynamic Load Control, Dynamic PUCCH Allocation, Inactivity Triggered PUCCH Release at High Load, Load Based Distribution at Release, Feature Related Quality Interference Suppression, , UL Coordinated Multipoint
Reception, DL Comp, Fast Dormancy Handling, Direct Upswitch from URA, Direct Upswitch from FACH, Micro Sleep Tx, High Power UE, IDC for Uplink Carrier Aggregation, PDCCH Coverage Extension, UE Assisted Signaling Reduction, UE Level Oscillating Handover Minimization, UL Scheduling Control for Out Of Coverage UE’s
Ericsson Indonesia - Sinergi
Project: Indosat Ooredo - Jakarta
RNO   (November 2019 – April 2020 )
Job Desk
 
  • Daily Monitoring and Network Improvement (Multiple Radio Layer, Multiple Technology, R-KPI, S-KPI)
  • Strategic Plan, KPI target evaluation, and End-User experience management with Customer 
  • Trial/pilot First Feature Implementation for global network
  • Supporting Global Event and VIP/VVIP Complaint
Huawei Technologies - GCI
Project: Telkomsel Central Java
Radio Network Planning  (June 2019 – November 2019 )
Job Desk
  • 2G 3G 4G Capacity Monitoring & Solution
  • Dimensioning RAFI NARU activity
  • BW Management
  • CFGMML Processing, TA Analyze,
  • Supporting BOQ creation
  • 2G 3G 4G Traffic Forecasting
  • RED Site Solution
  • Coverage improvement
  • BSC RNC Dimensioning
PT.Ericsson Indonesia - Nexwave
Project: Telkomsel Kalimantan Area
TrueConnect Kalimantan (April 2019 – June 2019 )
Job Desk
  • Low Productivity improvement for 2G 3G 4G network
  • Service Experience Improvement
  • Quality of service assurance
  • Red site capacity analysis for improvement
  • Performance Optimization for cluster acceptance
  • Traffic management strategy
  • Coverage improvement
  • Qos Micro Cluster data analysis and improvement
  • WPC improvement
  • Customer Facing for site Acceptance & Cluster acceptance
  • Improvement for Mobility HO,Throughput,DCR,CA,PCI RSI conflict,CQI,SINR,WPC
  • Handling for Customer/VIP Complain from finding,action, solution&summary problem
PT.Ericsson Indonesia - Nexwave
Project: Telkomsel Kalimantan Area
Leader LTE RF Optimization for Nexwave (Januari 2017 – April 2019 )
Job Desk
  • Initial Tuning&Optimization for Ericsson LTE FDD TDD Network
  • Layering strategy between FDD(L900 1800 L2100) vs TDD (L2300)
  • Event,Trial&VIP Support Optimization activity
  • Performance Optimization for cluster acceptance
  • Single Site closures for E// Kalimantan
  • Customer Facing for site Acceptance & Cluster acceptance
  • Improvement for Mobility HO,Throughput,DCR,CA,PCI RSI conflict,CQI,SINR,WPC
  • Handling for Customer/VIP Complain from finding,action, solution&summary problem
  • Propose,Execute upgrade Power and Bandwidth base on capacity moitoring
  • Layering strategy between FDD(L900 L1800 L2100) vs TDD (L2300)
  • Perform Interworking 2G 3G LTE,Mobility Load Balancing between FDD & TDD
  • Perform New Features trial for better performance Network
  • Conduct consistency check & take necessary action to reduce and fix inconsistencies parameters/configuration
PT.Ericsson Malaysia – OCK Setia Eng
Project: Celcom Malaysia
2G 3G LTE RF Optimization (Sept 2016 – Jan 2017)
Job Desk
  • Daily Monitoring of KPI with Cell/Cluster/Region to take action for KPI improvement
  • Improving & achieving Network KPI’s such as Accessibility, Retainability, Mobility, service integrity, utilization & Availability. 
  • Checking and evaluating the radio performance for the newly integrated sites.
  • Drive test analysis and taking the necessary action to improve the performance of area and VVIP complaint.
  • Change the radio related parameters, VoLTE parameters, Carrier agregation & related features Audit and tuning also periodic network consistency checks. 
  • IRAT, SRVCC, Idle Mode, and Layering Parameters Audit.
  • Implementing, Evaluating LTE features & Trials and Evaluate and adapt new methods and technologies regarding Radio Network Optimization & Tuning. 
  • Participate in technical discussions with the customer in order to gather product-related information
  • Tools : ITK/BO, MoShell, SecureCRT, CITRIX, GPEH, UECTR, CTR, TEMS INVESTIGATIONs, NEMO, NEPA
PT.Ericsson Indonesia
Project: Telkomsel Kalimantan Area
LTE RF Optimization (Januari 2016 – August 2016)
Job Desk
  • Initial Tuning for Ericsson LTE Network
  • Event & VIP Support activity sales
  • Performance Optimization,Interworking 3G- LTE
  • Single Site closures for Ericsson Borneo area
  • Customer Facing for site Acceptance QC SSV & Cluster acceptance
  • Improvement for Mobility HO,Throughput,DCR,PCI RSI conflict,CQI,SINR,WPC,CSFB
  • Handling for Customer/VIP Complain from finding,action,solution&summary problem
  • Propose,Execute upgrade Power and Bandwidth base on capacity moitoring
  • Conduct consistency check & take necessary action to reduce and fix inconsistencies parameters/configuration
PT.ZTE Indonesia
Project: Telkomsel Sulawesi Area
Radio Network Planning (March 2014 – January 2016)
Job Desk
  • Site Supervision for new candidate site&Coverage prediction
  • Create and provide Engineering parameters for site 2G 3G,U880,U900 and LTE
  • Create and Provide 1st Tier Optimization cluster,coverage,identity neighbor and recommendation change to improve performance network.
  • Create Gcell and Mapinfo Update&Creating Sysinfo database.
  • DRM site with tower provider and customer from Telkomsel.
  • Biweekly meeting with customer to discuss network,progress and related issue.
  • Support engineering parameter for swap integration,new site& Upgrade
  • JPP (joint Planning Program) with Telkomsel to define annual programs.
PT.Ericcson Indonesia
Project: Indosat Modernization-Ericsson Jakarta
2G RF Optimization Engineer (January 2014 – March 2014)
Job Desk
  • Analyse DT Report and provide recommendation
  • Report  VIP/Customer Complain in cluster area
  • Weekly report Cluster&recommendation
  • 2G Initials Tuning Optimization.
  • Pre & Post Refarming Analisis WorstCell.
  • Audit Site Parameters, coverage, identify neighbors, and recommend changes to improve performance.
  •  
PT.Ericcson Indonesia
Project: MS Axis Sumatera
2G3G RF Engineer (August 2011 – September 2013)
Job Desk
  • Analyse DT&Site Audit Report and provide recommendation
  • Report for VIP/Customer Complain
  • Biweekly meeting with customer to discuss progress,complain and other issue.
  • Manage DT team for all activity at Sumatera
  • Audit Site Parameters, coverage, identify neighbors, and recommend changes to improve performance.
  • Cluster KPI Achievement and solving problems.
  •  
PT.Ericcson Indonesia
Project: Indosat -Ericsson Jakarta
DT Engineer (June 2009 – August 2011)      
Job Desk
  • Drive Test&Site Audit and reporting Basic KPI 2G 3G
  • Drive Test&Site Audit and reporting for Manage service

Project history

LTE Deployement for Ericsson Eqp - Telkomsel Indonesia both FDD&TDD
-Responsible for Quality Acceptance Roll Out and Upgrade for more than 700 eNB
-Single site acceptance and Cluster Accpetance more than 700 eNB
 

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