I am highly talented in RF Engineer with extensive experience in optimization, integration, installation and supporting all RF. Background includes expertise in DAS design and optimization, systems integration, and performance for GSM, UMTS, CDMA,iDEN,Wimax & LTE networks. Have a good experience in RF post processing tools like Actix analyzer, Wireless Pro, Windcatcher, eDat, and Mapinfo. Also have a good knowledge in RF propagation tools like Atoll, iBwave, and Planet EV.

Summary of Qualifications

• More than 8 years of RF design and optimization Engineer experience.
• Experienced in Wi-Fi, CDMA, UMTS and GSM technologies .Have a good knowledge in LTE.
• Experienced in design, test, and optimize indoor and outdoor DAS ( Distributed Antenna System)
• Experienced in PowerWave, Andrew, and Microlab DAS equipment and tools.
• Experienced of DAS integration and commissioning the new DAS Sites in DC , MD , VA market.
• Experienced in propagation analysis, link budget planning, and propagation model tuning.
• Experienced in capacity planning for 2G and 3G networks for Macro sites and in-building DAS.
• Experienced in linkbudget analysis, design criteria, capacity planning and traffic analysis.
• Proficient in the RF Optimization post processing tools like Actix Analyzer, Windcatcher, eDat Wireless Pro, also have a good knowledge in-building RF design tools like iBwave.
• Experienced in RF design and propagation tools like Atoll and Planet EV.
• Proficient in the RF Optimization data collecting tools like Wireless Pro, TEMSinvestigation tool, Agilent E6474 and LLDM.
• Ability to operate and understand results from test equipment, including but not limited to spectrum analyzer like Anritsu and Agilent FiledFox , RF power meter, frequency counter, network analyzer, and PIM tester.
• Proficient in MS Word, Excel, Map Info, Power Point. Visio.
• Work under pressure, handling significant problems or tasks which come up simultaneously.

Professional Experience

Confidential, Washington DC December 2010 - Present
Position: RF DAS Performance Engineer

• Perform Site survey for the stations in WMATA (Washington Metropolitan Area Transit Authority) that need to have DAS.
• Work with the design engineers to design DAS system using iBwave design tool for 50 underground stations and about 100 miles tunnels for WMATA, also submit these designs to CAD department and create both drawings and schematic sheets for the stations.
• Design the Link Budget for every station to meet the capacity and the coverage requirements from the carriers.
• Work with planning engineers for all carriers (ATT, Sprint, Verizon, and T-Mobile) to review the capacity for each station that needs the DAS and change the site parameters where needed.
• Walk testing with WirelessPro and AgilentE6474A scanner and software to collect data inside the stations.
• Post process the collected data using WirelessPro for CDMA and UMTS data, Agilent and Actix analyzer for GSM and UMTS data to create the coverage reports.
• Troubleshoot the equipment inside the stations like PCS, AWS, Wimax, iDEN and LTE repeaters, combiners, and try to resolve the PIM (Passive Inter Mode) problems in the combiners.
• Review the sweeps data provided by the contractors for the Coax cables, Directional couplers, Splitters, Omni and Directional antennas. Also review the equipments installation on site.
• Perform CW testing for the stations that does not have carrier signals yet to make sure that the cable installations and Antenna locations meet the coverage requirements.
• Perform Noise Floor rise test inside the stations to make sure that DAS equipment does not affect on the public safety network for WMATA.
• Perform tunnel tests using CW equipments to verify the Radiax Coax cables performance inside the tunnels.
• Come up with plans and schedules for the RF technicians for maintenance and data collection.

Confidential, Cleveland OH September 2010 - December 2010
Position: RF Optimization Engineer

• Prepared Cleveland market for Verizon pre-launch LTE deployment.
• Evaluated Site Selection strategies considering Azimuths as well as magnetic declination along with concepts of beam widths, RF Planning and Network Design.
• Updated the Link Budget for the old network and made modifications and improvements for the coverage for the new integrated sites for LTE deployment.
• Prepared the Coverage ATP procedure and defined the related KPIs, also supervised the execution of the Coverage ATP and processed the output data.
• Troubleshoot and optimized the design, understanding basic system demands in terms of Signal to Noise Ratio , Mean, Standard Deviation and overall communication structure in LTE Network (OFDMA). Also reviewed the LTE parameters definitions (TAC, PCI, PRACH, etc.)
• Acquired channel information from channel estimator to assign different users with resources - power and frequency, while monitoring the system requirement.
• Issued sites search rings, identified suitable site candidates, and Evaluated site survey reports.
• Utilized ATOLL RF Planning tool for generating new LTE RF designs, also utilized MapInfo and Google Earth to convert, analyze and present RF data, maps and plots.
• Worked with Verizon planning engineers to and review the capacity of the new integrated sites.
• Performed LTE Physical Cell ID and Neighbor list planning for 46 integrated sites.
• Configured and updated design Databases & design tools as appropriate.
• Site Level design Antenna & Cable Selection, antenna location, azimuth, Tilt…etc.
• Support and manage drive test teams to collect the data need to process by giving them the clusters routes and table of integrated sites.
• Supervised drive teams to perform the shake down tests, cluster drive tests, and OCNS tests.
• Responsible for daily review the integration sites report, alarm summary report, and unreachable summary report.
• Processed and analyzed the drive LLDM and Winds cluster test data using eDat software.
• Created daily KPI reports and calculated the percentage rate of Radio drops, RRC call drops, and RRC connection failure drops.
• Monitored the values of RSRP, RSRQ, SNR, and DL & UL throughput values, and try to enhance the signal in the bad coverage areas.
• Created the cluster reports with the recommendations of antenna tilting, neighbors missing, and the low RSRP values areas to reduce the call drop rates and meet the client specifications.

Confidential, DC Market Rockville, MDJanuary 2010 - September 2010
Position: RF Optimization Engineer

• Provided field support for new cell site construction in the following areas: DC, MD, and VA.
• Performed WiMAX Frequency Planning and Preamble Index Planning.
• Generated Final RF Design, RF Plots and detailed RF design reports.
• Proposed implementation/design strategies to ensure good throughput/capacity requirements.
• Worked with local RF engineers as well as othervendors in defining site, sector, cluster, peak busy hour attendance, and Plan of Records information at various venues and businesses that have been identified by the sales team as needing Indoor Signal Enhancement.
• Worked with RF design engineers to solicit input and feedback on proposed requirements for on-going DAS designs and ISE projects.
• Worked with design engineers to generate guidelines for DAS design with focus on RF requirements such as antennas types, link budgets calculations, spectrum and interference management.
• Responsible for performance, testing and optimization of Clear Wire DAS networks to meet coverage and capacity objectives.
• Responsible for daily and routine monitoring and review of radio network Key Performance Indicators (KPI) such as drop call, HO success rate, call set-up failure rate, and RF Interference.
• Specified corrective actions to maximize radio coverage by advising on antenna configurations, tilt, software fix, power budgets, and up-link/down-link path balance.
• Drive designs for capacity intensive venues using multiple antenna locations within limited space while managing interference/overlap (prediction/CW testing) for increased capacity output.
• Provided pre- and post- implementation performance analysis; assisting in troubleshooting of venue performance.
• Reviewed and Analyzed Xcal drive test data using windcatcher software for cell Coverage and Quality investigation.

Confidential, Seattle, WA November 2007 - December2009

Position : RF Optimization Engineer

• Performed End-to-End performance, frequency planning, design agreements, spectrum management, and new-technology planning for markets.
• Performed propagation model tuning and link budget analysis for GSM, UMTS and GPRS/EDGE systems (site selection, approval and configuration, created coverage maps that reflected the design for the market based on the customer\'s requirements and objectives for launch.
• Troubleshoot RF issues (Pilot pollution-dominance, link imbalance, PSC Planning, Missing Neighbors), also troubleshoot Idle mode Issues (Access and Paging, RRC Setup failures and RAB Set Up).
• Responsible for 2G/3G coverage enhancement program for customers and ensuring the fastest 3G data rate for business subscribers.
• Performed 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, overshooting cells, height) & throughput Analysis.
• Performed High-level radio network optimization for GPRS/EDGE networks & solved high-level technical problems in Ericson BSS Network to meet T-Mobile specifications.
• Recommended antenna tilt changes to increase coverage and reduce pilot pollution during pre and post launch tuning based on Antenna patterns and terrain.
• Monitored the radio network Key Performance Indicators (KPI) for UMTS, GSM & GPRS/EDGE network parameters such as Dropped calls, Blocked calls, Access failures & Handover Failures.
• Optimized and monitored system-wide and local network performance.

Confidential, September 2004 - July 2007
Position : RF Optimization Engineer

• Worked with the site design team to select/evaluate new site candidates and ensured that it would meet coverage objectives.
• Performed High-level radio network planning and optimization for GSM , CDMA & GPRS networks and solved high-level technical problems in BSS Network to meet Fast-Link specifications.
• Conducted Site RF & Technical surveys; conducted microwave transmission line of site (LOS) surveys.
• Analyzed several possible candidates and recommended the best site location.
• Analyzed Traffic-Data and capacity extrapolation planning for GSM system.
• Performed daily monitoring and review Key Performance Indicators (KPI) such as drop Call, HO success rate, Set-up failure rate, RF Interference.
• Post Processed RF drive-test data with TEMS and Actix, for cell Coverage and Quality investigation.
• Generated RF capacity reports and did troubleshooting based on these reports.
• Optimized existing network RF data fill to improve capacity and performance.
• Performed drive test , Post processed the same & Analyzed drive test data to fix problems for the whole network.
• Documented quality standards, system anomalies, operational procedures, and reference materials

Confidential, September 2002 - August 2004
Position : Telecommunication / Network Engineer

• Performed site surveys and provide documentation for telephone cable company.
• Assisted with day-to-day maintenance and support of company network infrastructure
• Assisted in Services and special studies requiring application of analog and digital circuit design.
• Worked in satellite communication section and radar communication in the airport.
• Provided line maintenance, provisioning and support with plant control office (PCO). Configuring of TCP/IP networking solutions.
• Configured several brand name routers, broadband modems, and other Network devices.
• Installed, upgraded, maintained and supported operating systems and applications that run on windows platform.
• Setup, maintain and repair of workstations and servers for Linux and Microsoft networks.

RF Software - Windcatcher, XCAL, eDat, LLDM, Winds , Planet, Actix Analyzer, AutoCAD, MapInfo, MS Excel, Word, Power Point,Visio2000.

Education and Professional Training

Bachelor Degree in Electrical Engineering
Major in Telecommunication Engineering .
Minor in Electronics Engineering.

Adult and Community Education Fairfax VA USA Cisco CCNA Course in 2009