DAS Field Engineer

Jacky Lu

PROFESSIONAL EXPERIENCE:

Ericsson Jan. 2010 to Present

Senior DAS & 5G/LTE Small Cell Engineer

• Certified iBwave Level III, ASSET, Atoll, and Planet to finish DAS RF design, design review, and optimization. Experienced with 3D modeling, CW model tuning, and complex structure DAS iBwave design projects. Designed high-density high-capacity WiFi systems for data offload. Complex DAS RF Design Structure to balance traffic and enhance capacity.

• Using project management tools such as SiteTracker, Siterra, MagentaBuilt, Curator, FUSE/SPM/CANVAS to finish Candidate Selection, RFDS, E-911, CQ, RFE, Roofmaster to Evaluate RF Safety/Power Reduction, FCC filing, iBWave RF design, backhaul provision and BOM to support construction team and equipment ordering to ensure on-time project completion.

• Public Safety Applications for iDAS and oDAS: Design, BOM, and commissioning. DAS 5G NR upgrade design and implementation for NFL, NHL, and NBA stadiums and arenas.

• Upgrading DAS systems to 5G & LTE using DRAN structure. Advocating 4X4 DRAN and Digital Unit as high power low-cost DAS remotes for large venue high SINR solutions. Using “Combined Cell” and “Supercell” structures to simulcast sector signals to provide strong SINR coverage. It significantly reduces the cost of building and system maintenance. Certified DAS commissioning engineer on CommScope, Solid, JMA, Corning, and Ericsson small cells. Certified DAS benchmark and Cable Sweep, Fiber OTDR, and PIM test.

• OSHA 30 Certified for onsite DAS works. Leading internal and external teams deploying high-profile small cell and DAS projects. Managing the full life cycle of the DAS projects from the beginning to the end. Coordinating and managing internal and external teams on design approval, RFP and bid review and selection, BOM and equipment logistics, staging, delivery, field crew installation, construction, power system, fiber test, PIM test, DAS commission, carrier integration, walk test, KPI optimization, closeout package and project acceptance report.

• End-to-end DAS and Small Cell projects at Stadiums, Convention Centers, and casino resorts such as FedEx Forum, Bobby Dodd Stadium, Emory University, Wynn and Encore Casino and Golf Resort, Venetian and Sands Convention Center, Rio, Caesar Palace, and University campus. These projects cover indoor and outdoor spaces with huge density and geographic complexity.

• Formulating the most effective DAS solutions with optimized total cost structure to meet client requirements and DAS upgrade schedule and project milestones. Get executive and client buy-in with solid facts-based presentations.

• Authored DAS and WiFi engineering process documents to guide contractors and vendors on RF Benchmark and CW Testing, iBWave DAS Design, DAS Commissioning, Staging & Configuration, and PIM Test SOW.

• Small Cell & DAS RF design, test, engineering, UP link noise optimization, commissioning, and integration.

• Expert knowledge of Solid DAS System, Corning Mobile Access, TEKO, and CommScope ion-B, ion-M, ion-U, and ion-E DAS systems and troubleshooting. Certified on all related DAS equipment and ATT 5 Step DAS commissioning and optimization process. Nokia July 2000 to Jan. 2010

DAS and LTE Senior Engineer

• In charge of market LTE deployment activity and achieving milestones.

• Leading internal & external teams and contractors to accomplish monthly milestones and weekly activity summaries.

• LTE parameter optimization for high-traffic sites and sites with high noise levels.

• Fixing LTE MIMO Swap and Low MIMO % sector to improve ACC, RET, throughput, and DL data Vol. Fixing site with high PIM.

• DAS iBWave RF Design optimization to minimize cost and optimize RF performance. RF design using Atoll and Monte Carlo simulation.

• Full Vendor GoNGo LTE system acceptance test to meet targeted system performance. Manager vendor optimization effort to fine-tune RF and system parameters to reach KPI targets.

• Balancing LTE, UMTS, and GSM traffic on all frequency bands to optimize KPI on voice and data.

• Monitoring daily SAM, NPO, WPS, and Quantum to proactively look for LTE and UMTS KPI trends to meet corporate CQI targets on voice and data. Generating “Before” and “After” reports to present network optimization efforts to improve system performance.

• LTE and UMTS performance monitoring, traffic balancing, and RF and parameters optimization to achieve KPI targets and eliminate chronicle worst offenders.

• Spectrum harvesting to deploy multiple LTE carriers. Setting system parameters to direct voice or data traffic to different bands to maximize system coverage, capacity, and best KPI.

• LTE and UMTS site visit and MCU antenna electrical down tilt adjustment to balance traffic for multiple bands and improve KPI.

• High-performance superconducting filters on extremely high-traffic sites (convention center DAS system) are used to reduce noise. System diagnostic and reset to fix performance issues • Identifying suitable projects to deploy cost-effective eFemto systems.

• oDAS system design and optimization.

• Indoor and outdoor DAS design site walk, site survey, and model tuning. Expert level iBWave and Atoll Designer with Large venues and complex structures. Active or passive DAS to meet design requirements. Neutral host DAS and DAS with Donor antenna for LTE, UMTS, EVDO, CDMA & GSM for AT&T, Verizon, and Sprint.

• Generate DAS BOM, proposal, bid, Scope of Work, and estimation for engineering cost, material cost, and installation cost.

• DAS system commissioning, measurement, troubleshooting, and optimization. Project close out with as-build project report.

• Large-scale DAS Design using iBWave and AutoCAD tools. Completed projects include United Center Complex, Atlanta Hartsfield Airport, Albany Medical Center 9 Building Campus, University of Victoria-University Center Campus with 15 Buildings, Las Vegas Casinos, Skyscraper Office Buildings, Shopping Malls, etc. DAS products used include Andrew Ion-B, Powerwave, ADC, Mobile Access, CSI, ADRF, Vendor eNodeB, etc.

• Design and Implement DAS for UMTS, CDMA, EVDO, GSM, and LTE systems.

• Benchmark and CW testing of antenna placements and establishing link budgets and interference mitigation.

• Perform DAS system designs based on site surveys, customer-supplied floor plans and requirements, and specific scopes of work. Perform RF site surveys to verify designs, take measurements, and identify cable routes and installation challenges. Perform site acceptance tests and as-built reports for completed systems.

EDUCATION:

• MS in Electrical Engineering, Arizona State University

• BS in Electrical Eng., Univ. of Science & Technology CITIZENSHIP:

• US Citizen

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