SUMMARY:

• Over Five years of experience in VoLTE, LTE, CDMA & UMTS Technology with Wireless Network Testing, Design, performance and Optimization activities.
• Experience on ATOLL, ACTIX Spotlight/Analyzer, ACTIX One, MapInfo, MCOM, Confidential TEMS, NPO TOOL,PNM, eDAT, WPS, ALU WMS, Confidential OSS, Confidential OSS, Mo shell, BO, Nortel, Tableau, Wind Catcher, Pass loss 5,Google Earth, Planet, IBwave, Asset, Capstan, Appian, Xynergy and Spectrum Analyzer tools for Pre Optimizing and analyzing Drop call reasons, SINR and low Throughput, RSSI issues and Handover issue.
• Effective communicator with excellent management skills, good team player and strong personal initiative

OBJECTIVE:

Seeking an Engineering position in the area of RF engineering or telecommunications with specific interests in Design, performance and Optimization Engineering. Experience in RF propagation modeling, coverage and interference prediction, including evaluating system design and frequency planning.

TECHNICAL SKILLS:

Operating Systems: Windows 7/Vista/NT/XP/00/98, MS - DOS, Linux, Mac OSX 10.6

Languages: C, C++, Verilog, Assembly Language, NI Lab VIEW, IB wave

Applications and Tools: Outlook, Excel, Word, Access, Journal, and PowerPoint.

WORK EXPERIENCE:

Confidential, Irving, TX

Air scale Migration /Optimization Engineer

Responsibilities:

• Responsible for network performance improvement tasks.
• Performed as SME for Migrating VZW sites bCEM to Air scale ( Confidential ) and optimize new technologies, spectrum bands and multi - band cell sites. Recommend network improvements to the local RF team
• Analyze drive test data using Actixone and make recommendation to improve coverage hole missing neighbors and pilot pollution.
• Documenting detailed troubleshooting guidelines to optimize LTE network.
• Analyzed live stat for cause of high SIP drops, poor handovers attempt, and high bearer drops.
• Responsible to manage of various LTE and Volte KPIs of Accessibility, Retainability and Mobility Class which includes (RRC Setup success rate, ERAB Setup Success rate, IRAT Handover success rate, DL & UL Throughput measurement &data and Volte eRAB Drop rate etc.)
• Checking any KPI degradation compared to baseline KPI for newly migrated Air Scale site .
• Multi carrier optimization: traffic balance, load sharing, parameter audit, implementing LM strategy across all carriers.
• Optimization of Migrated sites as well as the overall live network (O&M); daily KPI monitoring, optimization and troubleshooting of the top offenders to improve the network performance.
• Cluster and site optimization based on the counter and stat, HO analysis and Parameter changes Recommended,
• Perform Hourly, Daily and weekly performance monitoring and optimization
• Create analysis of optimization efforts and provide periodic market KPI Template and trending for each market to the Customer
• Resolving complex maintenance problems,
• Monitoring traffic flows to ensure call delivery optimization;
• Providing technical leadership and expertise to less experienced engineers
• Change idle and dedicated mode parameters as well as tilts to improve traffic distribution (IMMLB Traffic Balancing)
• Optimization of worst offenders on the following KPI’s: Accessibility, RRC Set-up Success, ERAB Set-up Success, S1 Set-up Success Rate, UL & DL throughput, MME drop, eNB drop, HO preparation & success, Latency, CSFB, etc.
• Parameter Audit and Consistency Check of EnodeB for VOLTE & LTE with Help of ePAT tool
• Analyze and troubleshoot of VOLTE KPIs like Accessibility, Retainability, Mobility and Integrity for QCI 1&QCI 5 to optimize these KPI to meet given threshold value
• Optimizing VOLTE sites to reduce drops, improving the SRVCC Handover
• Created KPI View template and Object zone for Bulk sites in NPO
• Retainability and Mobility Class which includes (RRC Setup success rate, ERAB Setup Success rate, IRAT Handover success rate, DL & UL Throughput measurement & Drop calls etc.)
• Performed ANR Parameter tuning and NB deletion to improve cell with high number of NBs and Blacklist overshooting cells.
• Performed Carrier Aggregation Parameter setting and activating for Multiple Combined carriers

Confidential, Pennsauken, NJ

RF Design/Optimazation Engineer

Responsibilities:

• Worked with the Site Development team to provide input on RF design criteria (coverage, capacity, frequency planning with neighboring markets), budget analysis and coordinate and review site integration process
• Create new sites, Transmitter and cell bulk and uploaded in the project.
• Reviewed sites stationary drive test by accessing Site Acceptance Manager(ATP)
• Strong RF design concepts including Model tuning, link budget, site placement / design, candidate reviews, deployment support and site turn up activities including reviewing, approving ATP. experience working on Design tools like Atoll, MapInfo, Google Earth, Planet
• Familiar with Samsung / Confidential OEM and equipment configuration.
• Familiar with processes to create RFDS / CIQ
• Performed propagation modeling and coverage prediction for Current and proposed network.
• Reviewed ATOLL parameter settings using Link Curve and Atoll standard
• Run ATOLL Simulation for Baseline project
• Run RSRP analysis to review the project/market coverage overview
• Created ACP from the Baseline ATOLL project for antenna retuning
• Selected antenna type, Down-Tilt, Azimuth, and Rad Center
• Run RSRQ / SINR to optimize the design and meet the required KPIs
• Revised power and RF schematics to meet requirement to install equipment
• Verify design data and update inputs, CD and antenna information into Siterra
• Generated RFDS bulk update and master update sheet as per market requirements
• Worked on Antenna positioning in Plumbing Diagram as per market requirements.
• Designed LTE RF network and created RF Data sheet CIQ in Appian tool.
• Performed traffic and capacity analysis, as well as traffic prediction
• Analyzed RF proposals, process requirements and technical data pertaining to install telecommunication equipment
• Review proposed Candidates and search ring for Mini Macro and Macro deployment project.

Confidential

RF Engineer, New Orleans, LA

Responsibilities:

• Worked as a RF Optimization Engineer for Confidential 's LTE and CDMA network ( Confidential - Confidential -Samsung) in New Orleans, Louisiana markets to provide support and services for daily Design, Optimization and Performance issues.
• Design Activities -Worked with the Site Development team during the new site design phase to provide input on RF design criteria (coverage, capacity, frequency planning with neighboring markets), link budget analysis and coordinate and review site integration process Perform propagation modeling and coverage prediction.
• Supported the Network Vision project for 3G / 4G Performance and is accountable for successful delivery of network planning and optimization activities.
• Capacity Augments: Performed fine tuning of IRAT% to improve time on the LTE network. Activating load balancing and pushing traffic for LTE 1900, 800 & 2.5 Confidential TDD sites. Forecasts voice and data traffic. Designs and monitors air interface capacity reviewing with System Performance and Network Operations. Creates work orders to allocate and implement capacity additions and changes to RF network.
• Analyzed Layer 3 messages for cause of dropped calls, handovers, IFHO failures, IRAT failures, etc….
• Troubleshooting PCI confusion and PCI collision alarms, X2 links and verifying IP connectivity, Idle Mode parameters, Connected Mode parameters, ANR activation parameters audits and fine tuning.
• Performed optimization for intra and inter band missing neighbors from ANR. Layer-3 message analyzing for troubleshooting. Traffic and Border cell optimization for 3G.
• Identify Coverage limited areas, poor CINR and provide recommendations. Performed optimization to improve voice drop and failure. Also review drive test data and network operational measures and to prioritize trouble areas.
• Traffic Managements and Capacity off-loading - Confidential a sector level, optimized neighbor relations by effectively utilizing techniques, Event related parameters to off load traffic during special events.
• Key Performance Indicators - Monitor system performance indicators such as Receive level, Receive Quality, Dropped Calls, Blocked Calls, HO failure, interference analysis and Missing Neighbors. Monitoring stats for games, events and changing parameters for traffic balancing.
• Frequency Retunes - Located Co-PCI and Adjacent PCI interference problems and recommended PCI retunes where deemed necessary. Coordinates RF parameters for E-911 and for FCC filings.
• Analyzed LTE, CDMA / EVDO Top Offender cells on a daily bases; monitoring the cells different KPIs including: RRC Connection Failure Rate, RRC Drop Rate, PDSCH Average Throughput and intra Frequency HO Success Rate, etc. with performance tools(Tableau and ENIQ)
• Post processed drive test data for New Orleans Market clusters using Wind Catcher, by analyzing Layer 3 messages and events on the Drop Call, Access Failures, Inter HO Failure and Intra HO Failures reasons to fix them.
• Improved the total designed LTE network KPI’s (coverage -mainly RSRP-, quality - RSRQ and SINR-, throughput - average simulated Mbps per Cell and for the total network-, and dominance-interference reduction.)
• Experienced with monitoring and analysis of pre/post launch critical KPIs Retainability., Accessibility, Integrity, Mobility, IRAT HO optimization.

Confidential

RF Optimization Engineer

Responsibilities:

• Worked as a RF Optimization Engineer for Confidential & Confidential LTE and UMTS networks to provide support and services for day-to-day Design, Optimization and Performance issues.
• Capacity off-loading - Confidential a sector level, optimized neighbor relations by effectively utilizing techniques, Event related parameters to off load traffic during special events.
• Responsible on network performance improvement tasks
• Performed RF network optimization activities
• Conduct parameter pre-audit, neighbor audit, GS parameters are aligned before the drive
• Analyzed Call flow, Layer 3 messages, drive test data
• Reviewed IFHO maps to generate correction plans
• RACH performance improvement prioritized by worst VoLTE drop offenders
• Good understand of volte call flow and sip call flow
• RTT corrections as needed by market
• Late Handover Analysis top offenders and rectification
• Alarm monitoring and resolve X2 link alarms.
• Created and Setup Planned Configuration Scripts for changes.
• Key Performance Indicators - Monitored system performance indicators such as Receive level, Receive Quality, Dropped Calls, and Blocked Calls, HO failure, interference analysis and Missing Neighbors. Monitoring stats for games, events and changing parameters for traffic balancing.
• UMTS/HSPA radio access network planning, tuning propagation models, traffic Monte-Carlo simulation (capacity, coverage, quality, parameters) using prediction tools such as Atoll,
• Frequency Retunes - Located Co-PCI and Adjacent PCI interference problems and recommended PCI retunes where deemed necessary. Coordinates RF parameters for E-911 and for FCC filings.
• Good understanding of UMTS system objects types such as Iu-CS/PS, Iub, Iur, RNC/RBS Alarms, and related parameters, settings for Cell Reselection, Noise Thresholds, targets /offsets power control, handovers etc.
• Analyzed site performance after integration through drive test measurements, detecting eventual problems and recommending changes to fixing those problems.
• Defined main alarms to be monitored regarding the indicators to be improved.
• Defined and monitored parameter consistency check rules in order to Maintain RAN parameter database consistent internally and implemented according to the RAN default parameters and RAN planned specific parameters.
• Reviewed and corrected LTE Radio Network Designed Parameters.
• Performed site configuration checks, Power settings, Antenna configurations, implemented PCI’s, PCI clashes, azimuth, Hand over parameters prior to the Drive test.
• Performed LTE/UMTS Pre launch: eDAT drive analysis, neighbor relation, and tilt and parameter optimization.
• Analyzed Single site drive test data, created site acceptance report format, drive test analysis.
• Worked on LTE/UMTS network launch and cluster optimization, planning of RF parameter, making field level changes, troubleshooting with Handover problem, tuning parameters.
• Provided Drive routes to DT engineer using MAPINFO and also defining cluster boundaries.

Confidential, Plano, TX

RF Design/optimization Engineer

Responsibilities:

• Worked on Optimization of CDMA, EVDO and LTE networks to troubleshoot and improve KPIs
• Coordinate with the drive test team to troubleshoot site issue.
• Analyzed drive test data using TEMS and make recommendation to improve coverage hole missing neighbors.
• Provided Virtual LTE Network deployment based on Atoll tool: Link budget calculations for Uplink and Downlink. Coverage prediction maps (i.e: RSRP, C/I, throughput).
• Reviewed Atoll parameter settings using Confidential Link Curve and Atoll standard
• Experienced using ATOLL to run Simulation for Baseline project
• Created ACP from the Baseline ATOLL project
• Run ACP for initial KPIs of the Baseline Project
• Run Simulation for RSRQ and SINR
• Optimized and Designed to meet the require KPIs
• Run RSRP analysis to review the project/market coverage overview
• Performed eNB and Cell level parameter audit and neighbor optimization.
• Checked Alarms, RSSI, VSWR troubleshooting and resolution.
• Verified and Optimized worst offenders sites
• TAC & LAC Audit, S1 link and X2 link audit.
• Good understanding of LTE interfaces, layer 3 messages, protocols and Architecture.
• Good understanding of Counters, ROP by ROP analysis to improve KPIs.
• Parameter optimization to improve UE time on LTE while ensuring KPIs for IRAT, Accessibility and Retain ability are not affected.
• PCI Collision analysis.
• Tilt analysis/recommendation to improve RF condition.
• Review network settings and parameters, analyze parameter change impacts
• Analyzed live stat for cause of dropped calls, handovers, IFHO failures, IRAT failures, etc….
• Submitted Tilt, CPICH, and Azimuth changes based on PRACH propagation delay to optimize coverage.
• Detection of site installation problems:-Swapped feeders, loose feeders, bad antennas, incorrect antenna locations.
• Resolved Pilot pollution or areas of no dominant servers
• Performed Missing neighbor detection
• Analyzed Overshooting sites - Overshooting sites cause loss of capacity in the system
• Identified critical/major problems, troubleshooting issues across markets and multi-venders investigation for any issues. experienced with automation/configuration management and Strong background in Linux/Unix
• Alarm monitoring and resolve PCI confusion and X2 link alarms
• Worked on first Confidential EVDO service Migration to Confidential project in the US; Metro cell "Hot Swap" DOM to AEM
• Monitored the performance of the sites migrating each day from the legacy equipment to the Confidential box. Performance included looking after the KPI’s and comparison of the Pre-Post data
• Prepared and commissioned AEM 1302 Module for Confidential EV-DO Global System ( Confidential )
• Performed on Loading and checking of scripts/site files in accordance with Confidential Method of Procedures
• Worked as a Part of team that met 100+ site quota for 3G integration in the Texas markets (leading market in US)
• Utilized performance metrics to isolate and resolve chronic network issues
• Worked on Commissions/configures IP's as defined on CIQ information
• Worked proactively to identify problems and resolve issue with potential to become service impacting
• Report issues, alarm Elaborates impact, and current state in comprehensive terms to technical personnel

RF Performance and optimazation Engineer

Confidential, Dallas, TX

Responsibilities:

• Optimized the network cell level based on drive test data on ( Confidential project)Seattle market
• Capacity off-loading - Confidential a sector level, optimized neighbor relations by effectively utilizing techniques, Event related parameters to off load traffic during special events
• Performed PCI/RSI collision analysis
• Resolved active issues and coordinate with the drive test team to troubleshoot site issue.
• Analyzed drive test data using Actixone and make recommendation to improve coverage holes and missing neighbors
• Provided coverage, capacity, cell parameter and neighbor planning with ASSET design tool
• Reviewed network settings and parameters, analyze parameter change impacts
• Analyzed live stat for cause of dropped calls, handovers, IFHO failures, IRAT failures, etc….
• Conduct weekly parameter audit and correct if there is any discrepancies.
• Optimized live network using counter on TPIM
• Performed Alarm monitoring and resolved PCI confusion and X2 link alarms.
• Created, Imported, and Setup Planned Configuration Scripts for changes
• Performed RF survey and design for ATT femto/metro cell solution, the system is designed to support all 3G call traffic inside the building and optimized to minimize handoff/interference with the existing macro network.
• Designed indoor (metro cell) DAS systems for Confidential & Confidential to meet desired coverage and capacity objectives using software planning tools such as Ibwave.
• Worked with the team that Plan, coordinate and oversee walk testing including Continuous Wave (CW), benchmark, and optimization.
• Performed CW Testing, walk testing and post processing with MapInfo 8.0 of approximately making a proposal as per surveys report.
• Experienced in collecting and analyze data and performance statistics
• Knowledge in Small Cell design and Network process.
• Work closely with customer technical personnel on system designs, system performance, and system optimization.
• Confirmed all system designs changes by using a variety of measures consisting of using test equipment, power density and power meter, spectrum analyzer, pilot scanner, etc., customer switch statistics and trouble reports, and baseline measurements.
• Performed new carrier site commissioning on site completion with outside vendors as required, including RF and static phone testing, reporting, and troubleshooting.
• Performed ongoing system testing, test analysis, test reports and recommendation reports for system upgrades.
• Operated both CW test equipment and JDSU in-building walk test kit to collect the data Confidential this venues
• Performed surveys on DNA (Deployment Network Assessment) Services for the Metro Cell ( Confidential & Confidential ) projects
• Processed and analyzed the data collected, and made changes to the RF Parameters in order to optimize the clusters.
• Utilized information provided by Confidential & Confidential like FA Locations/RFDS ID/ Sites /ATOLL Name for Sites create.
• Worked on Antenna positioning in Plumbing Diagram as per market requirements.
• Designed LTE RF network and created RF Data sheet (RFDS).
• Daily top offenders monitoring and rectifying problems related to voice (Drop calls, Block calls) and data KPIs Using Confidential OSS, Confidential BO, RMAP, NETTRACK, CNN and Quantum.
• Work on Trouble tickets tracker for old and generate new tickets.
• Identify critical/major problems, troubleshooting issues across the market and involve multi-venders investigation.
• Analyzed Drive Test data using Actix Analyzer and Spotlight, TEMS, and Agilent.
• Detection of hardware and software problems.
• Worked with design team and identify location specific needs for new cells taking baseline, performance, capacity, and population into consideration and evaluating coverage problems and requirements for coverage cells.
• Worked with the performance team to understand area and issues within his/her sector; and working with System Performance counterpart to understand issues and help reduce Lost Calls and Ineffective Attempts within their sector.
• Checked RSSI issues; walk testing on Reserved/Non reserved sites with different Band (850/1900) and resolve external interference issues, checking the state of interference affected sites (RBS 3200/RBS 2200) and checking accessibility and retainability of the site.
• Prepared FCC submissions for interference location confirmation.
• Worked on Data Digital Communications including: DS1, DS3, Fiber, ISDN
• Taping FUs and verifying PIM or external interference using Spectrum Analyzer (PR 100 & FSH8) and identify and investigate exact external interference source.
• Coordinated with RF performance Engineer, Technicians, Different Carriers on the field and test RBS come up with resolution with deadlines and find Interference issues like TV Cable link, malfunctions Antennas, malfunctions Infrared systems which interfere in our BTS sectors that causing Drop call, Block calls.

Field Engineer

Confidential, Nashville, TN

Responsibilities:Performed installations and repairs on Ricoh and HP printers, Muratec faxes

• Tested and Troubleshoot electrical and mechanical maintenance on Ricoh high volume black/ white and color machines
• Reset and repair main control boards (BCU, power supply. Mother boards)
• Network design and installation data backup and storage, managed security services.
• Server communication and Network connection( TCP IP, routing protocols, sharing)
• Network Services (AD, DNS, DHCP and related concepts) and the interaction between hardware, operating systems, network, data center, and application software.
• Good understanding of computer network adapter hardware address and IP address (TCP/IP Address, Host Name, MAC)