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Rf Optimization Engineer Resume Samples
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0-5 years of experience
Launched 1st CDMA commercial network in Tampa and Orlando, supporting PrimeCo and Sprint in 5 markets.
- Trained and managed teams of drive test engineers to carry out optimization routes for over 200 sites.
- Ensured warranty coverage by providing diagnostic support for air interface between mobile units and cell sites while analyzing collected data.
- Calibrated CDMA phones using Tektronix digital radio communication tester.
- Performed power measurement and calibration of cell sites as well as approved line sweeps.
6-10 years of experience
Optimized network coverage, performance, and capacity of network with 1,480 sites.
- Performed advanced monitoring and review of radio network Key Performance Indicators (KPI).
- Collected, processed and reviewed drive test data. Worked with the operations team to troubleshoot site network problems.
- Diagnosed all RF related problems such as interference, dropped call, SDCCH failure, etc.
- Prepared technical reports for performance of sites per cluster for department executives.
0-5 years of experience
Responsible for the optimization and design of a selected cluster of cell sites in the GSM and WCDMA (UMTS wireless network.
- Optimized the GSM and UMTS networks to reducing drops and block and achieve the desired network key performance indexes (KPI).
- Collaborated with design Engineers as well network construction and implementation team to identify suitable location for infill cell site s to improve network coverage and customer experience.
- Identified pilot pollution and took corrective action such as reducing CPICH, performing foot print optimization to create dominant servers and requesting scrambling code retune.
- Identified cell sites negatively impacted by uplink (UL RSSI) interference, implemented corrective measures such as checking and ensuring that tower mounted amplifies(TMA) parameter are properly set.
- Performed network foot print optimization and also worked with Field Ops team to correct passive intermodulation (PIM) and to search for external interferers.
- Supported capacity optimization for special event such as annual Rose Bowl parade and Coachella Music Festival by adjusting network settings to compensate for UL RSSI in order to achieve a good tradeoff between capacity and coverage.
0-5 years of experience
Optimized CDMA network using Qualcomm handset and acquisition software
- Administered and monitored the uplink and downlink spectral path in the CDMA PCS B band for interference.
- Surveyed forward link channel coverage to identify coverage holes, hand-off regions, and multiple pilot coverage areas.
- Processed and analyzed drive data using "Surveyor32" (Data Analysis too): Monitored aggregated Ec/Io, Forward FER (Full Rate Markov), Reverse FER, Number of Pilots, Hand-off State, Cell transmit gain, Mobile Receive and Transmit Power.
- Updated translated parameters (Neighbor list, PN, T_add, T_drop).
0-5 years of experience
CDMA 1900 Mhz Pre-Post Vendor Migration Voice and EVDO Performance Analysis Reports.
- Monitor and Analyze Regional Market KPI's to Optimize and Determine Network Performance also Identification of Backhaul or Equipment Issues.
- Use Network Data Applications To Evaluate and Optimize 1900 Mhz CDMA Motorola, Samsung, Nortel, Ericsson and ALU Vendor Performance Trends/ Metrics.
- Monitor and Analyze CDMA 800/1900 Mhz Frequency Carrier Additions for Congestion Relief, Balanced EVDO Utilization and Performance.
- Use Mapinfo to Generate Regional and Local Network Maps For Network Vendor Equipment Migration Proposed Cellsites and Upgrades.
- Troubleshoot and provide Quality Assurance Engineers With Statistical Data and Solutions For CDMA 1900 Mhz Voice and EVDO Customer Impacting issues.
0-5 years of experience
RF Optimization engineer for AT&T project. Offering cell-site projections, path planning and possible cell-site tilting for better
Signal reception and better cell service.
- AT&T(Alcatel-Lucent) UMTS deployment in various markets including: Montana, Idaho, Washington, Ohio, Wyoming, North Carolina.
- Post processing the drive test data using ACTIX Analyzer, creating work-orders and neighbor lists for the site
- Directing field-testing support using the Agilent test kit configured for the AT&T Go-No-Go reporting methodology. This typically requires two full steps including HSDPA, HSUPA, R99 and Scanner 850 and 1900 MHz bands.
- Also supported new growth site integrations and E911 requirements for AT&T.
- Making detailed reports about the data processed and regularly updating customers (Ericsson, AT&T) with progress reports, market outlook and assist with establishing goals and timelines.
0-5 years of experience
Dual-band GSM/GPRS/EDGE Cingular "Gold" sites Network Optimization at Hartford, CT market
- Responsible for monitoring BSC and BTS alarms, checking inconsistencies and discrepancies in adjacency, non-symmetrical adjacency, handover synchronization, non-unique CI and LAC and frequency and administrative states of the objects in network.
- Submitted recommendation report to customer with antenna-tilt, antenna-azimuths and network-parameters to improve KPI after cutover.
- Escalating hardware issues to customer-operations and provide solution by pointing out problem area and by suggesting specific hardware checks.
- Achieved KPI: TCH DCR improved to 1.15%, TCH blocking 0.01%.
0-5 years of experience
Worked in the Chicago, Cincinnati, Detroit, Cleveland and St. Louis AT &T Wireless Services IS-136 PCS TDMA System Deployments.
- Performed City coordinator duties for the Chicago market and was Assistant City RF Lead for St. Louis.
- Performed system optimization from cell turn-up to soft/hard cutover of three major markets to the customer. Supervised field engineering teams and directed system-wide optimization.
- Performed cell equipment configuration, troubleshooting, and diagnosis.
- Recommended cell site search rings, and cell site re-deployment or site/antenna modifications to affect orientation, power, and propagation.
- Built switch parameters for cell site integration.
- Responsible for the TEMS Phone characterizations at Bell Labs in Whippany NJ
0-5 years of experience
RF network optimization of merged Cingular-AT&T at Hartford, CT market.
- Optimized dual-band GSM/GPRS/EDGE Cingular "Gold" sites' network.
- Monitored BSC and BTS alarms, verified inconsistencies in adjacency, non-symmetrical adjacency, handover
- Submitted recommendation report to customer with antenna-tilt, antenna-azimuths and network-parameters to improve KPI after cutover.
- Escalated hardware issues to customer-operations and provide solution by pointing out problem area and by suggesting specific hardware checks.
- Achieved KPI: TCH DCR improved to 1.15%, TCH blocking 0.01%.
0-5 years of experience
PROJECT: Managed Services Project -Airtel: -GSM network quality improvement project; a complex and large scale project of GSM network with 3000+ sites.
- Interacted with the customer and cross functional teams to ensure project progress.
- Coordinated with national team for features testing and to complete major regional projects.
- Performed RF design and optimization as well as coordinated with technicians and third-party clients to accomplish successful project delivery.
- Improved KPIs from 78% to 96% in the course of six months.
- Schedule and accomplish site surveys of Macro and DAS sites.
- Reduced customer complaints by more than 40% in two years by providing optimized and cost-effective solutions.
- Managed all deliverable and supervised complete implementation of KPI improvement projects.
- Coordinated with field teams to check the weekly status and report the same to the project manager.
- Prepared weekly/monthly operational review presentation for customer meeting.
- Interacted with the end customer and cross functional teams regarding the project progress.
0-5 years of experience
- Worked on various cellular phone providers, like Verizon, [company name], Alltel, US Cellular, and Sprint to optimize their EVDO REV 0 or REV A system which were provided by Alcatel-Lucent Tech.
- trained the drive team, i.e. data collector how to operate the Qualcomm data collection software and Alcatel-Lucent equipment
- analyzed data and made parameters changes to fix the dropped connections and low throughput issues
- Job well done and ahead the schedule when completed the assignments
0-5 years of experience
- Created Network expansion Plans based on Capacity, Coverage and Cost resource
- Carried out regular drive testing of the network and proactively diagnosed network problems for immediate fixes
- Maintained at all times a detailed knowledge of the behavior and status of all sites in the region of responsibility
- Managed third party customer activities i.e. network upgrades, etc.
0-5 years of experience
CDMA / EVDO Performance and Optimization for National RF team.
- Designed, tested and implemented numerous algorithms and initiatives to be incorporated into a National optimization platform to find opportunities for optimization.
- Analyzed the impact of EVDO carrier augmentation to the network performance on a national scale and investigated any degradation caused by it.
- Performed a pre and post analysis of EVDO multi carrier deployment as part of a study to examine the increasing trend in Connection Failures on a national level.
0-5 years of experience
Reduced HARQ interference by identifying the offenders and victim sectors and then optimize them by changing tilt, azimuth and frequency
- Analyzed handover and Uplink/Downlink throughput using data collection and Spotfire
- Used X-Stream for post processing data and checking the KPI like Ping, Jitter, Uplink and Downlink throughput, etc
- Supported many RF optimization scenarios (Azimuth Optimization, High site analysis, frequency planning) using PlanetEV
- Developed neighbor list for new sites
- Identified WIMAX coverage hole and perform optimization
0-5 years of experience
- Responsible for the optimization and design of a selected cluster of cell sites in the GSM and WCDMA (UMTS wireless network.
- Optimized the GSM and UMTS networks to reducing drops and block and achieve the desired network key performance indexes (KPI).
- Collaborated with design Engineers as well network construction and implementation team to identify suitable location for infill cell site s to improve network coverage and customer experience.
- Identified pilot pollution and took corrective action such as reducing CPICH, performing foot print optimization to create dominant servers and requesting scrambling code retune.
- Identified cell sites negatively impacted by uplink (UL RSSI) interference, implemented corrective measures such as checking and ensuring that tower mounted amplifies(TMA) parameter are properly set.
- Performed network foot print optimization and also worked with Field Ops team to correct passive intermodulation (PIM) and to search for external interferers.
- Supported capacity optimization for special event such as annual Rose Bowl parade and Coachella Music Festival by adjusting network settings to compensate for UL RSSI in order to achieve a good tradeoff between capacity and coverage.
0-5 years of experience
Performed Data collection and functionality testing.
- Coordinated with RF Engineers to optimize network, reduce network drop calls, and reduce interference levels, blockage and HO failures.
- Troubleshoot base station hardware down to the device level, utilizing drive test equipment, spectrum analyzer and RF planning as well as optimization tools and software.
- Identified needs and plans for RF engineering technical trainings.
- Defined and implemented processes and procedures for RF engineering tasks.
0-5 years of experience
Responsible for the optimization and testing of E911 networks for AT&T on the west coast and south east markets to meet FCC phase 2 requirements.
- Performed system health checks via UNIX to ensure optimal system performance.
- Design test routes, test plans, and test reports using MapInfo and Street Atlas to examine location accuracy for wireless E911 call locations.
- Performed GPS survey updates to improve GPS co-ordinates.
- Plan the resource and tasks to accomplish accuracy testing in cellular markets.
- Executed queries, scripts, reports, and tests to provide cellular and location data required by the FCC.
- Managed E911 accuracy drives and performed LMU tests using Scout and EMS tools (GPS, beacons, spectrals etc.) to prepare market for drive testing.
- Requested hand held survey to AT&T RAN Engineers and in turn worked with field technicians in calculating the exact co-ordinates of the site, which ultimately helped in achieving better UTDOA E 911 accuracy results.
- Responsible for monitoring and troubleshooting all live issues during the accuracy drive test.
- Perform Health check for different service areas of AT&T markets.
- Worked on different issues like alarms, beacon issues, terrain issues, spectral
0-5 years of experience
Telecommunication Company that offers mobile phone services (2G, 2.5G, 3G and CDMA2000).
- Performed RF network design, planning and optimization activities.
- Implemented CDMA/GSM optimization/acceptance plans, sponsor best practices assess and escalate system issues to RAN, Core, and Data design teams.
- Performed link budget analysis, design criteria and traffic analysis.
- Undertook network performance improvement (KPIs) and optimization tasks.
- Analyzed and recommended equipment and antenna co-location requirements for different technologies.
- Performed site build verification and acceptance.
- Site configuration analysis.
- Identified, resolved all coverage and RF design deficiencies.
0-5 years of experience
Responsible for maintaining KPI for speech, accessibility, CCSR, CS64, PS R99 and HSDPA384 network level, RNC or cell level.
- Neighbor list and parameter consistency check.
- RAN system problem analysis using moshell, e.g. decoding UEH Fault Exception, measuring UL Interference, identifying HW alarm / Transmission problem.
- Submitting daily progress KPI improvement report and presenting weekly report to the customer 2 times in a week.
- Preparing disturbance report when the swapped sites done.
- Comparing Nokia and Ericsson statistic 6 hours performance before and after swapped.
- Monitoring RNSAP Failure performance.
- Monitoring traffic carrier 1(F1) and carrier 2(F2) due to IFLS (Inter Frequency Load Sharing) activation.
0-5 years of experience
- Optimized the network performance in many Baghdad BSCs to Achieve targeted KPI' s including statistics collection, monitoring, reporting, analysis, troubleshooting, frequency & parameter changes, system feature implementation in order to improve and develops network performances.
- Used Drive Test tools such as TEMS investigation to identify the issues.
- Professional in using Actix, MapInfo tool, CME and Google Earth to analyze the network measurement.
- Dealing with M2000 server to solve the network problem.
- Planned and suggested new sites to implement them and solve coverage and capacity problems.
- Prepared sites for new 3G plan to meet the network demand of higher data rate.
- Used Anritsu spectrum analyzer to measure the interference on the frequency band.
6-10 years of experience
Performs advanced monitoring and review of radio network Key Performance indicators (GSM, UMTS, LTE and VOLTE)
- Monitors statistical network performance, data collects. Processed and reviewed drive test data (TEMS, Wind-Catcher). Worked with the operations team to troubleshoot cell sites and related network problems. Utilizing Real Time KPI Tools (RSSI, VSWR, MIMO)
- Addressed customer and employee complaints received through Information Analyzer and works with other RF Engineers to evaluate and resolve the issue.
- Updates databases with resolutions, or actions taken. (Quantum, IWOS, TROUT)
- Carrier Adds UMTS (F2/F3)/LTE (F2/F3) identified hardware related issues; interfaced with vendors and or Field Ops group to resolve the problem quickly to ensure minimal impact to our customers.
- Performed coverage, capacity, and performance analysis activities for possible site modifications utilizing Atoll, ERAN, AriesoGEO along with other related RF tools.
- Attended local jurisdictions hearing to ensure regulatory and zoning compliance.
- Participated in new handset evaluation testing; provided feedback and recommendations.
- Provided engineering support to Sales Team for our customers by responding to customer and employee network related complaints
- Utilized intucell Self Optimizing Tool (SON) for UMTS
- RF project management related to Optimization activities, LTE Bandwidth Expansion, UMTS RNC site "Rehomes".
0-5 years of experience
Working with AT&T- Mobile on second carrier, doing performance, setting KPIs with the help of Ericsson OSS and BO reports
- Responsible for the daily monitoring of the performance UMTS sites after modifications to ensure a non-degradation of KPIs.
- Monitor the before and after performance of sites after upgrades (tilts, antennas changes, etc ) and fix any issues.
- Troubleshooting RF issues (Pilot pollution-dominance, link imbalance, PSC Planning, Missing Neighbors), Idle mode Issues (access and paging, RRC Setup failures and RAB Set Up).
- Drive test analysis, Post processing, call flows studies, Drop calls, handover process, Pilot Channel RSCP Level and Interference Ec/No. Parameters tuning, neighbors definition, Design and sites modifications (Tilt, azimuth, height, etc ).
- Generating WNCS report and add Nbr if needed.
- Adding/Deleting a neighbor Intra-freq 3G Nbr, Inter-freq 3G Nbr and IRAT Nbr using Ericsson OSS
- Optimization of Dual Carrier, Traffic Management, CS and PS Drops, Soft Handover analysis, IRAT HO analysis, Neighbor optimization, Pilot Pollution, Air Interface Analysis, BSC/RNC dimensioning, Interference analysis.
- Recommended optimization and parameter changes as needed. Worked to maximize Network capacity and throughput.
- Provided general RF support to Operations in troubleshooting hardware and software related issues.
- Monitoring stats on daily basis. Optimize problem areas to improve the KPIs and if needed issue work orders for any changes.
0-5 years of experience
- Worked on Motorola and NSN networks
- Monitored and optimized network level KPIs
- Managed network traffic
- Investigated alarms and HW issues and escalated to concern departments
- Monitored equipment swap process and audited the data bases
- Implemented log files analysis
- Resolved VIP customers complaints
- Prepared capacity calculation for big ceremonies
0-5 years of experience
EV-DO Pre-Optimization-Post processing of drive test data and report generation.
- Plan test routes and guide drive testers.
- Perform coverage planning - identify areas that require optimization work.
- Document FCC compliance reports.
- Experience with drive test tools (Invex 3G), post processing tools (WindCatcher) and GIS software (MapInfo).
0-5 years of experience
Performed Frequency & neighbour audit on regular basis to improve QOS.
- Performed cluster optimization as per agreed KPIs.
- Cluster Acceptance from customer.
- Performed Daily worst cell analysis based on key network performance indicators.
- Performed RxLev, RxQual & C/I Analyses, Done HOM modification to avoid ping pong Handovers.
- Performed Outdoor Drive Test for 100+ sites, 20 clusters and perform indoor walk test for 30 sites.
0-5 years of experience
- Perform Single Site Verification SSV and cluster Optimization for Cricket Wireless LTE network.
- Drive test and collect engineering parameters data like RSRP, SINR, and PCI while performing short/long data calls, scanner, and UL/DL through FTP. Using Anritsu Link Master or Probe tools.
- Analys RSRP/SINR/PCI distribution diagrams to determine areas with weak coverage, coverage holes, cross coverage, lack of dominant cell, poor signal quality, UL/DL imbalance, and swapped sectors.
- Analys layer3 RRC signaling and call events to define the reason behind drop call and handover failure.
- Troubleshooting coverage, signal quality, low throughput, and handover failure by adjusting antenna azimuth, tilt or hight, enodeB transmit power, and define neighboring cells.
- Prepare analysis and recommendations report for the customer review including plots and diagrams prepared in Genex Assistant/Probe and WindCatcher.
0-5 years of experience
Performs RF post-launch optimization activities for AT&T 4th Carrier project.
- Performs RF parameter pre-launch checks
- Performs neighbor audit and layer management parameter audit on sites
- Troubleshoots and identifies causes for site KPI (Key Performance Indicator) degradation
- Improves/maintains Retainability and Accessibility statistics for site acceptance
- Conducts intensive analysis on Accessibility and Retainability degradation and provides recommendation for improvement
- Recommends traffic-balancing parameters on UMTS 1st , 2nd , 3rd and 4th carriers
- Performs day-to-day monitoring and optimization
0-5 years of experience
Performs RF post-launch optimization activities for AT&T 4th Carrier project.
- Performs RF parameter pre-launch checks
- Performs neighbor audit and layer management parameter audit on sites
- Troubleshoots and identifies causes for site KPI (Key Performance Indicator) degradation
- Improves/maintains Retainability and Accessibility statistics for site acceptance
- Conducts intensive analysis on Accessibility and Retainability degradation and provides recommendation for improvement
- Recommends traffic-balancing parameters on UMTS 1st , 2nd , 3rd and 4th carriers
- Performs day-to-day monitoring and optimization
0-5 years of experience
- RF Drive Test analysis on pre-defined LTE, UMTS, and GSM Clusters.
- Physical parameters tuning: Power, Tilt and Height.
- CPICH and PCI pollution analysis.
- Overshooting and Missing neighbor troubleshooting.
- Layer 3 Messages analysis with TEMS 14.5 Drive Test program.
- IRAT Performance optimization.
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