SUMMARY

• An engineer with experience and solid understanding of the design process including coverage analysis, frequency planning, capacity planning and interference analysis of GSM, UMTS, LTE, CDMA, and IDEN networks.
• Solid understanding of optimizing and post processing GSM, UMTS, LTE, CDMA, EVDO and Iden networks.
• Has knowledge and experience of wireless network planning and optimization tools such as Wizard, Planet EV, Actix Analyzer, Ericsson TEMS, QXDM, MapINFO.
• Training provided by Sprint - CDMA Principles and System Performance Optimization, CDMA interference identification and BTS hardware troubleshooting.
• UMTS training provided by Confidential
• Planet EV software training by Mentum.
• RF Engineering - UMTS Bronze Certification by Confidential &T Mobility.
• LTE training Confidential .

TECHNICAL SKILLS

Telecommunications: CDMA, GSM 2G, UMTS, iDEN

Test equipments: Agilent E8960/ E8285 - Wireless Communications Test Set(GSM/ CDMA), Oscilloscope, Power Meter, Function Generator, Spectrum Analyzer, HP/Grayson Drive Test equipment, Invex 3G.

Software Packages: Microsoft Office (Word, Access, Excel, PowerPoint), Actix Analyzer, Wizard, Planet EV, MapInfo, Ericsson TEMS, Matlab, Orcad, Xilinx, LabView

Operating Systems: DOS, Windows 95/98/XP/NT, UNIX

Languages: C++, Visual Basic, SQL

PROFESSIONAL EXPERIENCE

Confidential, San Diego, CA

Test Engineer II

Responsibilities:

• Responsible for QCT wireless connectivity system integration and test which includes end to end protocol/functionality, performance/optimization testing and analysis with a particular emphasis on Bluetooth technology.

Confidential, San Diego, CA

Staff Engineer

Responsibilities:

• Responsible for:performing all carrier specified Technical Acceptance tests including Call performance, System Selection, System Determination, AGPS, MIP, Browser, SMS, MMS, Video, Camera, User Interface, etc; reviewing carrier test requirements and developing appropriate test plans to ensure that specified performance capabilities have been achieved; preparing official test reports for carrier submission and evaluation; interface with carrier technical resources to ensure understanding of and compliance to all required specifications
• Logging Tools used are QXDM, QPST, QCAT. Performed live 3G/LTE network field validation testing in Confidential &T, Verizon, and T-Mobile network infrastructures. Technologies tested LTE, WCDMA, CDMA, EGPRS, EVDO rev A, 1xRTT
• Responsible for debugging defects, analysis of logs and driving to solution and documenting all defects and issues discovered during field trial and interface with internal and external Subject Matter Experts.
• Responsible for test plan and resource management for all field test activities including third party test houses. Guiding R&D (China) to resolve found issues for timely Technical Acceptance of the devices.

Confidential, Seattle, WA

Manager New Tech Prod Dev Engineer

Responsibilities:

• Responsible for planning and managing field testing activities of the pre-launch devices for West Region for all vendors - resource allocation, test assignment scheduling, defect resolution and issuing Technical Acceptance of new devices, hardware lab management.
• Execute 3GPP interoperability test plans, per Confidential &T requirements, on pre-launch wireless devices in live network environments.
• Investigate and verify the root-cause-analysis of device defects reported during interoperability tests and field trials. Follow up with the device vendors with each defects find a final resolution of the issue. Perform regration tests with the final firmware and monitor stats from CDR for any performance issue.
• Document all defects and issues discovered during field trial and interface with internal and external Subject Matter Experts.
• Perform UMTS / GSM benchmark drive testing, analyze drive data, prepare reports to benchmark pre-launch device performance.
• Document product defects discovered during field trial and interface with internal and external Subject Matter Experts to push to resolution.
• Use network diagnostic tools as well as portable test equipment to drill down into defect analysis. (TEMS, XTEL, Datum, Muse, PcTel RF Scanners, CDR Live, Snooper, etc)
• Prepare device approval recommendations for Field Test Manager based on Confidential &T Engineering device standards.
• Research and analyze device performance compliance with 3GPP specifications.
• Contribute in developing interoperability test plans and document procedures for executing the test cases.

Confidential, Irving, TX

RF Engineer II

Responsibilities:

• Responsible for design and optimization of Iden sites in Dallas Fort worth market.
• Performed link budget analysis, propagation analysis - coverage & interference, antenna selection and model tuning using Wizard simulation tool
• Issued search rings, carried out area and site surveys to identify RF equipment location and antenna orientation, coordinated meetings with the zoning, construction team, followed through the new site turn-up and integration process.
• Analyzed equipment and antenna co-location requirements for iDEN and CDMA sites
• Monitored switch stats on a daily/ hourly basis and analyzed network performance
• Improved and maintained the network KPI, turned market ‘green’ - ‘best ever performance’ under the guidelines of the N HQ (National Headquarter).
• Prepared the network for ‘rebanding’: identified sites for 900Mhz addition and deleting 800Mhz frequencies in coordination with the traffic engineer
• Provided solutions for customer trouble tickets on a daily basis as a priority
• Provided technical guidance to the field technicians for troubleshooting site issues - hardware, T1, site modification, antenna sweep etc.
• Collected and validated drive test data using Agilent and Commerco drive test gears, analyzed before/ after system performance, implemented retunes and took actions to fix network problems
• Performed co-channel/ out of band interference analysis on special cases using Spectrum Analyzer, Yaggi Antennas, etc.
• Supported the design, planning, statistical analysis, deployment and optimization of special events - e.g. NASCAR, network retunes, etc. for iDEN system.

Confidential, Dallas, TX

RF Engineer

Responsibilities:

• Provide engineering support in the design and optimization of GSM 2G networks.
• Provide training, technical support and manage a team of drive test technicians for data collection and optimization project.

Confidential, Saint Louis, MO

Design Engineer II, RF Design/Optimization Engineer

Responsibilities:

• Performed engineering design and optimization of new and existing cellular sites of GSM 2G network. Performed link budget analysis, propagation analysis - coverage, interference, antenna selection and model tuning using Wizard simulation tool.
• Issued 'RFDS (RF datasheet)' for the new and existing sites according to channel counts, in-fill coverage and site modification work orders - e.g. antenna change, height change, azimuth change etc.
• Siemens base station equipment - BTS240XL was used to configure the sites.
• Used Wizard and MapInfo to verify coverage.
• Did data-fill for the E911 sites.
• Reviewed site construction drawings and made corrections.
• Attended construction build meeting and provided inputs from RF point of view. Updated Siemens Master Database, contains complete site configuration information for the Saint Louis, MO market, on a weekly basis. Updated Wizard with the proposed cadidate / approved candidate information and verified the RF parameters of the on-air sites. Updated candidate tracker on a weekly basis.

Confidential, Albany, NY

Responsibilities:

• Coverage verification for the existing Confidential &T and Confidential sites for the integration team - collected drive test data using TEMS. Post processed drive data using Actix Analyzer & Mapinfo.

Confidential, New Orleans, LA

Responsibilities:

• Created ‘RFDS (RF datasheet)’ for new and existing sites according to channel counts and site modification work orders, used Nokia Ultrasite configuration and Wizard, Mapinfo & Excel software.
• Prepared ‘data fill’ for new sites and followed up with the field engineering group.

Confidential, Alpharetta, GA

RF Engineer

Responsibilities:

• Followed up with all the modification needed to convert 800 Mhz sites to 900 Mhz in coordination with the Operation Managers of all Florida markets, updated the MOD database (Nextel’s propitiatory database) on a weekly basis and generated status reports for the management.
• Helped to prioritize 1500 new search rings for the budget processing group in coordination with a senior Nextel manager.
• Updated Wizard project names and site names ensuring Nextel’s standard naming convention for all markets in Florida.
• Helping senior frequency planning engineers in their day to day tasks - e.g. BR adds, frequency availability, site configuration status etc.
• Performed data collection and processed data for propagation model tuning for Confidential Wireless in Connecticut, Boston and Miami market
• Benchmarked Confidential Wireless network before and after migration from GPRS to EDGE technology in North Carolina.
• Performed Maximum Permissible Exposure limit testing and certified 150 sites to ensure that sites are in compliance with the FCC (47 CFR), IEEE (C95.1-1999) limits

Confidential, Carrollton, TX

RF Engineer

Responsibilities:

• Performed GSM optimization services, drive testing, prepared and analyzed drive test data, pointed out trouble spots in the network and suggested solutions.
• Performed site verification of newly integrated cell sites.
• Prepared and analyzed the drive test routes of problematic clusters.
• Provided solutions for interference, coverage and capacity problems. Used frequency retuning, neighbor list analysis, power adjustments, antenna down tilts in order to improve the quality of the network.
• Performed site surveys for LMU installation, supervised installation crews, provided pre and post installation data.
• Complex/Component level trouble shooting of CDMA handsets in a lab environment. Used Agilent E8960/ E8285 - Wireless Communications Test Set (GSM/ CDMA), Oscilloscope to simulate 2G/3G CDMA RBS environment in order to test the products in compliance with CDG IS2000 IOS (Inter Operability Specifications) and generated test reports.

Confidential, Richardson, TX

RF Engineer

Responsibilities:

• Deployed and optimized existing CDMA cellular sites using Metawave’s Smart Antenna systems.
• RF Performance Assessment: Performed drive test and reviewed drive test data (BER, Call-in Process, C/I, Adjacent Channel.) as well as network operational measures, and prioritized trouble areas.
• Designed 12 beams antenna patterns for Metawave's Smart Antenna Systems to balance the traffic load. Provided system engineering required for configuring and troubleshooting Smart Antenna Systems.