Dedicated RF Optimization & Performance with excellent technical, analytical and communication skills demonstrated by 12 years of experience. Experienced in GSM, UMTS, LTE & VoLTE with solid knowledge of the practical application of Ericsson equipment. Proven ability to manage multiple projects and meet critical deadlines.
GSM, UMTS ,LTE & VoLTE Optimization & Improvement.
EUTRAN Performance troubleshooting.
Drive test result analysis.
RF plot coverage analysis.
Networking system and Small Cell
The Best team LTE Network Performance Market per National perspective - GA Market (2014,2015 & 2016).
Senior RF Optimization EngineerJun 2014 to Current TTS Wireless Inc - AT&T CQI Project － Alpharetta, GA
Initiate statistical analysis for CQI RF Optimization VoLTE/LTE/UMTS/GSM network/Small cells.
Analyze,troubleshooting and resolve the worst cells problem (from Soft offender & Top Offender list) to get the best KPIs improvement.
Analyze traffic congestion and solve the problem by doing traffic balance and implement the High-Caps Setting in UMTS and LTE.
parameter/configurations and consistency check for new sites or new carrier launch.
Analyze and power test UL RSSI. Also resolve UL RSSI problem.
Performed parameter audits and fix inconsistencies.Analyzed on every KPI's performance (access failures, drop calls, Handover failures, CSFB failures, PCI collision, Throughput, IRAT, TNOL - time not in LTE,CNOV- calls not in VoLTE). Identified areas with high LTE latency and analyzed eUTRAN issues and provided the solutions.
Senior RF Optimization EngineerMar 2013 to Jun 2014 Ericsson Inc. USA - Tmobile Project － New Jersey and North Carolina
Analyzed and prepared the SSD report,
Cluster report and Market report for LTE Tuning & Optimization Project 2013.
Analyzed and troubleshooted GSM, UMTS & LTE performance degradation.
Performed parameter audits and fix inconsistencies.
Analyzed on every KPI's performance (access
failures, drop calls, Handover failures, CSFB failures, PCI collision, Throughput, IRAT, TNOL - time not in LTE,CNOV- calls not in VoLTE).
Identified areas with high LTE latency and analyzed eUTRAN issues and provided the solutions.
Coordinated and prepared Drive test
routes for SSD report.
Senior RF Optimization EngineerAug 2012 to Mar 2013 Avenger Engineering - AT&T CQI Project － Alpharetta, GA
CQI RF Optimization UMTS/GSM network.
Analyzed and troubleshooting worst cells problem to get best KPIs improvement.
Analyzed accessibility and dropped call issues using Arieso Geo tools, and solve the problem.
Analyzed traffic congestion and solve the problem by doing traffic balance and implement the High-Caps Setting in UMTS.
Reviewed parameter/configurations and consistency check for new sites or new carrier launch.
Analyzed and do a power test UL RSSI. and resolve UL RSSI problem.
Reporting Soft offender and Top offender list.
Performed parameter audits and fix inconsistencies.
Analyzed on every KPI's performance (access failures, drop calls, Handover failures, PSC collision, Throughput, IRAT).
Senior UMTS RF Optimization & UTRAN TroubleshootingApr 2011 to Oct 2012 T-Force Inc. - Ericsson for AT&T CQI Project － Plano, Texas
Analyzed and solved UL RSSI issues using Business Object tools, OSS RC and Moshell.
Performed troubleshooting, Tracing of each problems (HW, capacity, coverage or others
issue). And followed up to Operation &Maintenance AT&T personnel of suspected statistical problems.
Analyzed the root cause and worst cells in RNC and Node-B.
Performed Audit all neighbors relations (SHO, IFHO,
IRAT) that impacted to Retainability performance.
Analyzed and checked active alarms site using and follow up to field engineering. And analyzed and troubleshoot RET issues due to SHO, missing neighbors, overshooting or congestion.
Perform Audit RBS resources (HS code,EUL and MaxNumAdch capacity) with current TX board
capacity and capacity monitoring due to overload traffic situation.
Senior RF EngineerDec 2010 to Jan 2011 TTS Wireless Inc － Seattle, WA
Checked Dual carrier development post
� Checking alarm status using Nokia Ops
Site Query Tool.
Checked performance report and
analyzed using TPIM, Net Pal GCR KPIs performance.
Analyzed and follow up issues of One
& Done Performance Monitoring Tracker.
Performed RF engineering related technical analysis of collected drive test.
Analyzed drive test report.
Team Leader on WCDMA RF Optimization and GSMJan 2007 to Nov 2010 Ericsson Indonesia － Jakarta, Indonesia
2G & 3G RF optimization activities to
achieve the KPI Target in Active Measurements (Voice CSSR and CDR, Voice and PS
Data IRAT, Throughput, 16QAM Rate, CQI, EcNo/RSCP) and Network KPI (RAB Success
Rate and Drop Ratio for all services, SHO Success Rate and Overhead, HSDPA
Throughput, EUL performance, IRATCcSuccessRate, CQI, Power Load and Uplink
To act as a direct contact and to represent Ericsson on
project meetings with the customer together with PM.
Developed plans and strategies, prepare technical proposals
and recommendations to improve network KPI for acceptance.
Provided guidance and assistance to
RNC Owners to achieve the KPI Target for Active & Passive Measurements.
Supported VIP complaint with regards to radio related
problems and give suggestion and recommendation for problem resolution.
Analyzed and optimized the transport issues.
Performed Capacity Analysis & parameter changed to
solve congestion issues related with capacity: DL Channelization Code, DL Power,
Channel Element, Iub/transport.
Performed consistency check parameter and analyzed using NexPlorer 4.8.
Performed optimization activities for Pre and Final Acceptance report based on KPI Target
and delivered to customer.
GSM & UMTS RF Optimization EngineerApr 2005 to Dec 2006 EXCELCOMINDO PRATAMA - GSM Operator － Jakarta, Indonesia
Maintained Network KPI (Accessibility,
Retain ability, and Integrity) for XL's GSM/UMTS Network on Jakarta area.
Handled and Optimized the performance
of macro cells, micro cells, Indoor Repeaters, Pico cells on Jakarta; based on
both KPI statistic network performance; i.e. Perceive Drop Call, TCH and SDCCH
Drop Call, Handover Successful Rate, Low TCH available, TCH and SDCCH
Congestion, etc. and network inconsistency list.
Analyzed drive test data and make fine tuning by changing BSS parameters, antenna
tilt, azimuth, frequency.
Solved Trouble Ticket from Customer
Complain and VIP Complain.
Performed RF acceptance of new full-turnkey sites and
semi-turnkey in-building sites.
Validated through drive test & monitoring KPI if network
changes like BSC and BTS re-homing, implementation of new frequency plan, and
activation of new BSS features do not cause network quality problems.
Performed routine drive test and RF New Site Integrated, and do
analyzing all that changes and do any improvement that needed.
Supported drive test and changing cell parameter (if needs) for
2G&3G system in Business Solution Project & Marketing Event.
Bachelor of Science, Electrical - Telecommunication2010Institute Saints of Technology National － Jakarta, Indonesia
Electrical Engineering Department sub Majoring in Telecommunication2002Telecommunication School of Engineering (STT Telkom) － Bandung, West Java, IndonesiaDiploma
Professional Courses and Certifications
Workshop and Seminar of HUAWEI Technologies – Jakarta (November 23, 2005).
Performance Improvement Workshop – Ericsson Indonesia (February 7, 2006).
Repeater R4 training – Jakarta
(April 25, 2006). XL
3G Design Socialization – Excelcom Jakarta (June 27, 2006).
CPP Core Features and Functions for 3G Network – Ericsson
(August 23, 2006).
TEMS INVESTIGATION 7.1 for GSM & WCDMA Training
– Ericsson Indonesia
(November 14 -15, 2006).
WCDMA RAN Performance Management – Ericsson Indonesia (November 30 – December 1, 2006).
System Overview – Ericsson Indonesia
(28 - 29 May 2007).
Radio Network Design - Ericsson Indonesia
(18 - 20 June 2007).
Radio Network Tuning - Ericsson Indonesia
(27 - 29 Aug 2007).
RAN Protocols and Procedures Course – Ericsson Indonesia
(17 – 22 April 2008).
OSS-RC Radio Network Optimization – Ericsson Indonesia
(21-23 April 2008).
Training – Ericsson Indonesia (14 –
16 May 2008).
RAN Functionality – Ericsson Indonesia
(2 – 5 June 2008).
RAN P6 Delta – Ericsson Indonesia
(18 – 20 June 2008).
Powerful Presentation Skills – Ericsson Indonesia (23 – 25 July 2008).
Radio Network Optimization – Ericsson Indonesia
(4 – 6 August 2008).
RAN P6 HSPA System Techniques – Ericsson Indonesia
(10 – 12 September 2008).
Advance training - Ericsson Indonesia
(17th July 2009).
RAN P7 Troubleshooting - Ericsson Indonesia
(12 – 14 August 2009).
RAN P7 Performance Management - Ericsson Indonesia
(29 Sept – 02 Oct' 2009).
Service & Negotiation Skill (Batch 4) - Ericsson Indonesia
(05 – 06 Nov' 2009).
Networking - Ericsson Indonesia (24 –
26 Nov' 2009).
Campus – Ericsson Stockholm SWEDEN (07
– 11 Dec'2009).
MIMO IN WCDMA and LTE - Ericsson
Knowledge Center Indonesia (02
LTE R12B Air Interface Protocols Procedures – Ericsson USA (2013).
LTE L12B Radio Network Functionality and
Configuration – Ericsson USA (2013).
LTE L12B Performance Management and
Optimization – Ericsson USA (May 21 – 24, 2013).