PROFESSIONAL SUMMARY:

• 7+ experience in RF Designing, Planning and Optimization for GSM, UMTS LTE and IMS networks
• Expert in GSM/UMTS/LTE/VoLTE/IMS architecture and specifications
• Strong Knowledge in designing and optimizing LTE, CDMA/EVDO networks
• Strong Experience in Optimizing existing network by adjusting radio network parameters, adding/deleting of neighbors and recommending possible solutions to hardware problems
• Developed wireless network infrastructures and made recommendations on systems enhancements for optimization while lead and supervising teams
• Hands on experience and working knowledge of Ericson OSS for parameter audits along with familiarity with company’s design and optimization procedures.
• Extensive hands on experience on different designing and optimization tools like ATOLL, Mentum Planet (Planet EV), IBwave, ACTIX Analyzer, ALU eDAT, PathLoss4.0 and Wind Catcher, Asset, Dragon wave, LCT.
• Experience in using post processing tools like eDAT, XCAP, WindCatcher, TEMS, and AGILENT etc to analyze drive test data.
• Experienced in using post processing tool like eDAT for LTE technology. Also, have thorough understanding of LLDM and WINDS, which are field test tools used for LTE technology.
• Good understanding of Layer 3 messages. And Experience with TCP/IP.
• Proficient in working with different live cellular network testing software tools such as TEMS, AGILENT and XCAL - X, Invex 3G.
• Proficient in Map reading and developing by using software tools like MapInfo Professional, Microsoft Street & Strips.
• Experienced in Network optimization and tuning (physical parameters, frequency re-tunes, neighbor changes and database parameters for handover and power control)
• Expert in KPI log file analysis and implementing appropriate changes in the network
• Strong knowledge in RF propagation and theories
• Extensive experience in SQL/PL-SQL, Scripting languages and database management
• Proficient in Windows, UNIX, Oracle DB, Excel macros and SQL, PL/SQL
• Worked with multi-vendor and multi technologies
• Excellent hands-on experience in designing and implementing IP addressing that includes both IPV4 and IPV6
• Strong practical experience in IP addressing, Sub-netting, VLSM and ARP, proxy ARP, and ping concepts

PROFESSIONAL EXPERIENCE:

Senior RF Engineer

Confidential, Washington, DC

Responsibilities:

• Analysed Base Station Subsystem (BSS) reports to determine network performance and recommend related fixes (i.e. path balance, timing advance, hardware issues, etc.)
• LTE Cell planning and KPI Analysis
• LTE to LTE, LTE to UMTS, UMTS to UMTS, UMTS to GSM Neighbours Cell planning
• Implemented VoLTE in Washington DC, Maryland, Virginia markets
• Performed detailed analysis of VoLTE call drops and setup failures and provided suggestions to the ground teams for enhanced network operation
• Worked as a LTE Design Engineer directly for Confidential with equipment using Frequency & capacity planning & designing tools such as ATOLL, MAPINFO and ACCO (ACP-Automatic Cell Planning tool), utilizing link budget analysis in design criteria including coverage and traffic analysis. Designed the cellular network 700, 850,1900 and AWS bands, Wireless Carriers and Public Safety Radio networks.
• Responsibilities also includes project manager C&E, support, taking active part in scoping meeting analysis, site selection, implement design modifications after referring CD and zoning suggestions, providing design solutions for successful launch.
• Performed nominal and detailed RF design, including site selection and site acquisition support. Creating search rings for new site builds and creating new cell sites Translations, reviewing and preparing close out packages for RF design and Supporting E911 audits for Volte Translations.
• Worked with INTRADO for TVW purposes for data fill purposes for Macro, Micro DAS, and Small cell sites
• Implemented DAS solution in university arena
• Small cell planning and optimization with site surveying
• Monitored and supported E911 validation testing for Greater Washington region.
• Prepared daily as well as weekly E911 Volte reports and open/Track pending tasks with ENMT/ HQ E911.
• Performed data fill and Accuracy validation & modify cell site physical change order document preparation with all the databases.
• Capacity Planning and Optimization for new & existing sites in the network, RF Link Budgets Designing.
• Expert in ANR, generating prediction Plot & Nominal planning with planning tools ATOLL and ACP along with analyzing traces and Drive Test results of the first LTE call, checking MIMO behavior, throughput, SINR, Uplink power over PUSCH.
• Updated RFDS in Auto forms /Siterra on daily basis as per the cell site changes/Updates.
• Creating and getting approval for SCIP
• RFDS/CIQ creation and procurement
• Studying RF design coverage maps and identify problem areas in terms of coverage, interference or pilot pollution.
• Strong skills in analyzing layer 3 messaging for LTE.
• Executing tasks to optimize RF clusters in the customer network during the deployment phase.
• Troubleshooting problem areas and provide recommendations for system performance enhancements.
• Selection of Antennas and optimization of Mechanical/Electricals Tilts, Azimuth and Radiations center with in the given constraints of ND369 guidelines to meet the design KPI’s.
• Worked with National (HQ) planning team on weekly basis for Network Dimensioning Traffic planning for network capacity expansion. Working closely with ASG team for iDAS & oDAS planning and design recommendations with help of iBwave for various markets for Greater Washington area.
• Design validation and approval of LTE and UMTS sites using planning tools like ATOLL & ACP to meet RSRP, Dominance, RSRQ and SINR KPI’s and to maximize the throughput.
• Execute predictions Studies for RSRP, RSRQ, SINR, throughputs, Coverage by transmitters, Link budget planning and Analysis.
• PCI and PSC planning for NSB and performing FCC/FAA licensing procedure preparing FCC extension agreements for FLBC/CGSA sites in network.
• Perform sanity check on antenna configuration & work with ALU team Assist commissioning and building SAM and WMS database.
• Responsible for work with C&E field teams during site construction and integration.
• Handling optimization of new sites and handles problems like Call drop, interference, handover frailer, handover reversion, in building problem, antenna tilting, competitive Drive Test.
• Analysis of cluster drives and providing solutions for drop cases, LTE integrity, LTE Retain ability, Throughput issues.
• Performing LTE Pre launch and post launch network optimization for Confidential different markets including drive analysis, neighbor relation, tilt and parameter optimization, GNG report generation.
• Studying RF design coverage maps and identify problem areas in terms of coverage, interference or pilot pollution. Strong skills in analyzing layer 3 messaging for LTE.
• Executing tasks to optimize RF clusters in the network during the deployment phase. Work with the RF testing and implementation team of vendor to implement and optimize the sites correctly.
• Utilized XCAP for processing data and creating models for analysis of VoLTE calls
• Load balancing the network to scale and grow IMS and LTE networks incrementally
• Executes on change management throughout the life of the project including true up requirements for scoped services and materials
• Coordinating with different vendors and clients
• Supporting DT teams in planning and scheduling Drive Test Routes
• Used AT&T Auto Forms to design and maintain the designated network elements
• Maintained and configured networks using Nokia NetAct
• Pre-and Post-launch LTE optimization for AT&T networks in multiple markets
• Perform complex design and system dimensioning, link budget and traffic analysis
• Executing CIQ/Scripts, integration & troubleshooting, site conversions
• Cluster & Area Optimization of LTE Sites - Defining Inter-cell neighbours & configuration of time to trigger for successful Handovers
• Monitoring consistent RSRP, RSRQ and SINR parameters performance for better coverage of the site
• Responsible for all KPI TEST scenarios for the performance management of LTE Network. Test consisted of 3-point Data Uplink & Downlink, Ping Test, handovers checking, Attached & Detached
• Work with equipment vendors like TE Connectivity, Commscope, Nokia Siemens (NSN), Ericsson
• Supported in generating regulatory and zoning compliance reports for FCC/FAA and local counties

RF Optimization Engineer

Confidential

Responsibilities:

• Monitor daily worst performing cells and perform troubleshooting to improve degraded sectors in a timely manner
• Investigate hardware issues, transport problems, RSSI issues, Pim faults and service-affecting alarms
• Create trouble tickets for identified problems and follow through to ensure needed fix is in place
• Provide tuning report/analysis of Coverage and Interference: Pilot Pollution Analysis; Scrambling Code/Best Server Plot analysis; Dropped/Blocked Call Analysis
• Resolve congestion issues by modifying power/admission parameters. Used IMLB to balance UMTS and LTE traffic to offload traffic to an underutilized technology. Set CIO parameters to offload traffic to a neighboring sector that is not congested
• Performs physical optimization - antenna height / tilt / azimuth adjustments to balance RF levels for dropped calls, coverage and leakage.
• Performs detailed Layer 3 analysis of Access Failures and Dropped Calls- RACH analysis, UE faults, Log recording errors, data collection errors, Missing neighbors, missing Layer 3 messages, etc.
• Use of TEMS Investigation (Data Collection) for drive test and Layer 3 analysis
• Use of OSS parameter report for comparison/consistency checks
• Supported customer care through customer service requests and escalated customer complaints. Improved coverage and site performance when possible. When improvements when not possible I explained coverage challenges to customers to set expectations. Suggested sector adds or new sites to management from experience and customer feedback.

RF Planning & Optimization Engineer

Confidential

Responsibilities:

• LTE cell planning and site surveying
• Coordinating with different vendors and clients
• Preparing regulatory submissions for Ofcom, CAA and preparing zoning compliance reports for local county governments
• LTE to LTE, LTE to UMTS, UMTS to UMTS, UMTS to GSM Neighbours planning
• Improving the IRAT Handover, Soft Handover, LU, Paging, CSSR, RRC Connection & RAB Establishment Success rate for all AMR, Video, Packet & HSPA calls
• LTEKPI analysis, network deployment, Drive Testing, Project Execution, Quality Management, customer complaints, Optimization, Maintenance and Technical Support and coordination.
• Executing CIQ/Scripts, integration & troubleshooting, site conversions
• KPI Analysis and alarm Monitoring, providing solution and act on worst cells
• Using Post Processing Tools, Map Info in network analysing and creation of statistical report for network quality and performance
• Pre-and-Post Launch RF KPI & Log File analysis & Optimizationof 4G LTE (Accessibility, Retainability, Mobility, Throughput KPIs) & provide respective solution of poor RF parameter & poor KPI & cluster report process
• Analyse Drive test problems like Interference, Handover failure, Quality, Coverage Level.
• Optimizing cell sites by investigating capacity and coverage problem, Interference Analysis, Dropped calls & Missing Neighbors analysis.
• Worst Cell KPI Analysis on a weekly basis and suggest recommendations for improvement
• New site planning preparation for outdoor small cells, SSVT, MCVT, CVT report verification & analysis, Drive log analysis using ACTIX tool
• Optimize NAS and RRC logs for their procedures
• Generating regulatory and zoning compliance reports for Ofcom and local councils

Radio Network Optimization Engineer

Confidential

Responsibilities:

• Monitoring of 3G network performance by carrying out the drive test and analysis of drive test log
• Designs, data fills and integrates new UMTS cell sites and UMTS 2nd carriers into the existing network while preserving optimal Key Performance Indicators (KPIs)
• Monitors and reviews GSM/GPRS/EDGE/UMTS network Key Performance Indicators (KPIs) by using Radio Network Performance tools. Analyzes drive/test information using maps, charts, and workbooks within post-processing tools (Actix, OptPCS, etc); Develops reports, presentations, processes and strategic approaches to problem solving
• New site planning preparation for outdoor small cells, SSVT, MCVT, CVT report verification & analysis, Drive log analysis using ACTIX tool
• LTEKPI analysis, network deployment, Drive Testing, Project Execution, Quality Management, customer complaints, Optimization, Maintenance and Technical Support
• RF drive testing and analysing
• Performing new Site Evaluation and selection
• RF Planning which includes planning of all Engineering parameters and Cell parameters including frequency, maio, hsn, lac, neighbors etc for the 2G new/swap sites and PSC for 3G sites. Drive test (SSV & Cluster) for new and existing 2G/3G sites
• Optimize worst cells, to improve KPI's such as TCH assignment success rate, SDCCH assignment success rate, TCH drop call rate
• Optimizing cell sites by investigating capacity and coverage problem, Interference Analysis, Dropped calls & Missing Neighbors analysis
• Analyze and troubleshoot of 3G KPI parameters like RRC setup rate, CS AMR setup rate, CS 64 Setup rate, PS setup rate and HSDPA Setup rate
• Analyse Drive test problems like Interference, Handover failure, Quality, Coverage Level
• Working with vendors in commissioning new sites
• Working with MapInfo to plan RF drive test route
• Guiding field teams for Physical Optimization by Antenna down tilt and reorientation for proper coverage as per clutter.

Confidential

RF Propagation Engineer

Responsibilities:

• Designing and developing radio scanning tools using Matlab
• Antenna analysis and designing using FEKO
• Link budget Calculations for various ISM-RF products
• Gaining extensive knowledge in RF related topics
• Understanding 2G and 3G network architectures