Resolve all UTRAN related network performance problems retainability, accessibility, throughput, mobility and IRAT mobility, congestion, channel switching, interference, e2e performance, resource efficiency usage
Analyze key performance indicators, metrics and traffic statistics verify KPI formulas, create performance metrics, develop trending charts, design database for collecting performance statistics and SQL queries (MySQL, MS Access, MS Excel, SQL), design network performance reports for engineering teams and management departments
Perform detailed UTRAN configuration and parameterization audits (RNC, cell and NodeB level) - Huawei R6.1, R10, R11, SR3 BSC6000, BSC6810, MBSC6900.
Plan and carry on UTRAN parameterization and feature trials, evaluate results and propose network parameterization changes idle mode, inter and intra frequency HO, IRAT HO, power and load control, dynamic channel reconfiguration control, Iub overbooking and flow control, HSDPA/HSUPA, HSPA+ (MIMO/64QAM), SRNS and DRNC relocation, HO over IuR
Analyze RNC performance logs (Huawei Measurement Reports and CHR logs InsightPlus, Nastar) and UTRAN interface traces
Carry out or lead optimization activities on cluster or region level to meet acceptance targets and prepare acceptance reports
Post-process and analyze drive test logs (L3/L2 message flows), identify problems and recommend changes to improve coverage and quality - PSC plan verification, poor coverage (RSCP, Ec/Io), pilot pollution, overshooting, missing neighbours, BLER, HSDPA CQI analysis (Huawei GENEX tools. SCHEMA Mentor)
Identify hardware and network configuration problems faulty NodeB or Ue hardware, antenna and feeder configuration, logical cell implementation and/or Iub transmission configuration
Prepare and execute parameter changes and neighbour update plans in OSS (Huawei LMT, M2000, E/// OSS, NSN NetAct)
Define drive test routes, configure drive test equipment (TEMS 8.1, PROBE2.2), schedule or perform field measurements - pilot scanning, speech, video and data calls
Single RAN 3.0 optimization and RF planning, use of LMT for Huawei MBSC (V900R011), performance analysis and improvement. KPI definition.
3G & 2G radio planning services
Design 3G & 2G nominal, coverage, capacity, neighbour, scrambling code, frequency radio plans and generate simulations - PegaPlan, Asset 3G, Tornado planning tools, Ericsson, Nokia, Siemens, Huawei UMTS/GSM equipment, U-NET, Atoll
Select cell radio equipment and antenna system, prepare configuration data - BTS, NodeB, carriers, antenna system
Perform radio planning activities in the field, carry out technical site surveys (TSS), candidate searches and audits, rank candidates, prepare and approve engineering documentation (extensive experience in antenna system and telecommunication infrastructure planning in a variety of building types - offices, residential, industrial, historical monuments, old city centers, churches etc. and tower constructions)
Resolve site and antenna infrastructure sharing issues
Co-operate with subcontractors, acquisition agents, civil and transmission engineers
2G and 2.5G (GSM/GPRS/EDGE) network optimization services
Resolve all BSS performance related problems - interference, quality, drop calls, call setup and handover success rate, verify and improve frequency plans (BCCH, FH), dimension traffic and signalling resources (TCH, SDCCH, AGCH, PCH, LA)
Analyze traffic and performance metrics, generate performance reports (MS Excel, SQL scripting, Nokia Data Warehouse, Nokia NetAct, Optima, SCHEMA Forte)
Create performance metrics and audit KPIs formulas, verify performance counters
Advise on radio planning and optimization process - set goals, create and review procedures, suggest improvements and provide recommendations
Lead or coordinate cluster acceptance process and create acceptance documents
Carry out regional level network quality and detailed BSS parameterization audits, propose corrective actions and parameterization fine tuning trials - access and signalling channels, dual band, CBCCH, FH, MAIO, POC, HOC, AMR, HR, FR, GPRS/EDGE related parameters (Huawei)
Implement parameter changes and frequency plans in OSS (Huawei)
identify hardware (BTS, BSC, TSCM, PCM) and antenna system problems, propose antenna configuration adjustments
Employer:
Huawei
Job Title:
Huawei Millicom Account RF team leader
Start Month/Year:
01/2008
End Month/Year:
03/2009
City:
Guatemala
Country:
Guatemala
Description:
3G network optimization (UMTS/HSDPA) and operator support for Millicom Guatemala (TIGO) and Huawei RF Team Leader
3G RAN Optimization Engineer and support to customer
• Perform detailed UTRAN performance and traffic analysis, propose improvements and demonstrate results
• Perform detailed UTRAN parameterization audits (global RNC, interfaces, cell and NodeB level), propose parameterization corrections and changes perform detailed UTRAN configuration and network elements integrity audits – RAN, BSS (IRAT), Iub and neighbour definition.
• Resolve all UTRAN related optimization, planning and capacity problems – accessibility, retainability, integrity, mobility, IRAT mobility, system utilization and dimensioning, interference, throughput, congestion and rate switching
• Resolve serious accessibility problem by improving radio resource utilization efficiency – improved PS accessibility from 60% to 98%
• Perform detailed configuration and network elements integrity checks - UTRAN, BSS (2G), Iub and neighbor definitions
• Advise operator and client engineers – cluster acceptance and optimization procedures, tracing, monitoring and statistic collecting tools, 3G and 2G IRAT parameterization, UTRAN performance KPIs and metrics
• Perform detailed UTRAN parameter audits (global RNC, cell and NodeB level), propose parameterization changes and optimization trials
• Analyze performance and traffic statistic trends, UTRAN interface traces and RNC exceptions, monitor end to end user quality of service
• Create UTRAN performance daily and weekly reports according to operator requests
• Interface between Huawei and operator, co-operate with implementation and operator engineering teams, respond to all operator or client requests and actively participate in technical meetings with operator
• KPI mapping and performance counters clarification for change of RAN version from R6.1 to R10
Employer:
Huawei
Job Title:
Huawei Guatemala NTS TL
Start Month/Year:
03/2009
End Month/Year:
09/2010
City:
Guatemala
Country:
Guatemala
Description:
SingleRAN (UMTS/GSM900/GSM1900) network troubleshooting and optimization for SWAP project.
• Resolve all UTRAN related optimization, planning and capacity problems – accessibility, retainability, integrity, mobility, IRAT mobility, system utilization and dimensioning, interference, throughput, congestion and rate switching
• Analyze performance and traffic statistic trends, UTRAN interface traces and RNC exceptions, monitor end to end user quality of service
• Troubleshooting leader for VIP complains, golden route analysis of signaling tracing in Huawei Local Manteniance Terminal (LMT), signaling flow, L2, L3 messages. CDT trace analysis.
• Analysis of PCHR RNC logs and performance measurement process.
• Be responsable of the RF performance of SWAP 2G and 3G at Cluster level. Be responsable of troubleshooting and cluster optimization of all country for 2G and 3G SWAPED network (100% of Guatemala)
Employer:
SCHEMA
Job Title:
(SCHEMA GU Senior RF Engineer) 3G RAN Optimization Engineer
Start Month/Year:
10/2010
End Month/Year:
12/2010
City:
Rio de Janeiro
Country:
Brazil
Description:
• Perform Huawei Rio de Janeiro 3G network and Minas Gerais 3G network optimization
• Perform detailed UTRAN parameter Audit (Ext cell data audit, , inter-RNC ho, inter-RAT HO, global RNC parameter).
• Perform radio resources audit in UTRAN (CE, OVSF Code, TCP, IuB). Proposed and fix CE problems and changes in NodeB level. Power and HSPA parameters.
• Perform Inter-System handover and Intra-freq handover optimization and parameter tunning
• KPI improvement for RRC and RAB Acccessibility. Call drop rate improve. IRAT handover success rate.
• Power optimization for Coverage Improvement.
• Perform Siemens IRAT parameter audit, optimization and tunning for 2G to 3G handover.
• Support 2G rehomming and BCCH retuning.
• PSC re-plan, the PSC uses reduce in 95% in the first and second UMTS carrier.
• Optimize 3G-3G total neighbour plan, inter freq and intra freq.
Employer:
Huawei
Job Title:
WCDMA Senior RF Consultant
Start Month/Year:
01/2011
End Month/Year:
Current
City:
Rio de Janeiro
Country:
Brazil
Description:
• Thirth line support to resolve all UTRAN related network performance problems – retainability, accessibility, low throughput, intrafreq and interfreq and IRAT mobility, congestion, channel switching, interference, e2e performance, resource efficiency usage.
• Analyze key performance indicators, metrics and traffic statistics – verify KPI formulas, create performance metrics, develop trending charts, design database for collecting performance statistics and SQL queries
• Perform detailed UTRAN configuration and parameterization audits (RNC, cell and NodeB level) for Huawei BSC6810V200R10, BSC6810V200R11
• Plan and carry on UTRAN parameterization and feature trials, evaluate results and propose network parameterization changes: idle mode, inter and intra frequency HO, IRAT HO, power and load control, dynamic channel reconfiguration control, Iub overbooking and flow control, HSDPA/HSUPA, HSPA+ (MIMO/64QAM), SRNS and DRNC relocation, HO over IuR.
• Baseline development for existing and new RNCs in Claro WCDMA network for RAN10 and RAN11
