Darrell Ferguson

8334 Wesleyan St (415) 298-9000 Vienna, VA 22180 Darrell@3DTelecomSvcs.com https://www.linkedin.com/in/dferguson3dts

SUMMARY OF QUALIFICATIONS

Skilled Radio Frequency Field Test Engineer with strong Project Management background specializing in the design, installation,

testing, troubleshooting and fault resolution of complex Cell Site configurations. Fluent in LTE, HSPA, 802.11, UMTS, GSM and TDMA technologies with 28 years of hands on Wireless Industry Experience including:

PIM Testing, Mitigation and Remediation of Issues

Site Construction and Base Station Modifications

Support of Special Events and Disaster Recovery

EME Compliance and Verification

Wireless Construction Project Management

Interference Analysis, Hunting and Resolution

Antenna Testing and Upgrades

DAS Commissioning and Optimization

Resolution of Site Performance Issues

RF Coverage Mapping and Call Testing

Transport Testing and Fault Determination

Advanced RF Engineering Site Design

Solving Tier 2 and Tier 3 RAN Faults

Mobile handset evaluation and testing

Proven track record of achieving results supporting Wireless Network Growth. Diplomatic and professional; often tasked with

diffusing volatile situations with sensitive landlords, municipal entities and key vendors. Uses analytical approach and out of box thinking to identify process breakdowns, develop new techniques and implement unconventional solutions to resolve

problems. Superlative aptitude translating concepts across diverse work groups to key projects stakeholders.

SELECTED ACCOMPLISHMENTS

Project Manager for Wireless Growth Project adding 3G capacity to 413 Sites.

Developed, instituted and performed financial audit identifying $22.4 Million of inaccurate charges.

Deployed temporary cell sites (COWs) to add network capacity for special events including: Apple Mac World, Apple

WWDC, and Oracle World Conferences, Outside Lands and Hardly Strictly Bluegrass Festivals, Bay to Breakers Road

Race, US Open and Pro-Am National Golf Tournaments, Gilroy Garlic Festival, San Francisco Gay Pride Festival, MotoGP @ Laguna Seca, Nascar and NHRA National Races at Sears Point Raceway and others.

Consultant working with the Anritsu Corporation providing input and feedback to assist in the development of new

software and products including CPRI RF Measurement, PIM Testing, as well as In Building Coverage Mapping and Interference Mapping Options for easyMap Tools.

Designed and built compact, portable cart based Microcell COWs giving AT&T an all in one solution to quickly deploy additional capacity and provide coverage for special events, conferences and meetings.

Performed “covert” Construction and Integration of 2 cell sites inside Apple Computers Laboratories used for over

the air testing during the development of the original iPhone.

Engineering Liaison to Bechtel Telecommunications, CH2MHill, and General Dynamics Wireless Services resolving

RF Design and Site Construction Issues for AT&T’s GSM1900 Overlay, UMTS1900 Overlay, GSM850 Overlay, UMTS Rip & Replace, Network Transport Copper to Fiber, UMTS 2nd, 3rd and 4th Carrier Growth Projects.

Generated and Implemented daytime site outage process, allowing work functions previously allowed only at night to be performed during the day. This procedure increased vendor productivity and improved contractor safety while

simultaneously reducing costs and generating additional carrier revenue.

One of three RBS Technicians from the United States sent to rebuild the communications network and restore wireless service after Hurricane Ivan decimated the Cayman Islands in September 2004.

PROFESSIONAL EXPERIENCE

Principal Consultant / LTE Field Engineer Jan 2009 – Ongoing 3D Telecommunications Services, El Sobrante, CA

Installed antennas, coax, power, transport and RBS equipment supporting network growth initiatives

Resolved complex external PIM problems affecting UMTS and LTE RAN

Specialist in identifying, locating, and eliminating interference affecting GSM, UMTS, HSPA and LTE technologies in Bands

2, 4, 5, 13, 17, and 29

Tier II Contractor hired to support optimization of 2G, 2.5G, 3G and 4G Radio Access Networks

Performed RF Drive and Call Tests to evaluate call quality and develop coverage maps

Contracted to manage construction and integration vendors on sensitive sites and high level projects

Managed three internal field crews specializing in PIM Testing, Interference Hunting and complex site construction

Redesigned site antenna layouts and RF design configurations to improve call quality

Performed surveys on new and existing sites, providing accurate revisions to RF Plumbing Diagrams

Generated CAD Drawings and Photo Simulations used for site application submissions

Handled all finances, billing, invoicing and payroll for small business

Supported E911 deployment including LMU Integration. fault resolution and PSAP Call Testing

Built, deployed, and integrated temporary sites to add capacity and coverage for special events and disaster recovery

Construction Program Manager / Technical Project Manager Jan 2005-Jan 2009 AT&T Mobility, Pleasanton, CA

Directed the installation, testing and evaluation of all Radio Base Station equipment field trials.

Developed, implemented and managed site construction quality standards and best practices for 2700 wireless sites.

Managed project to add UMTS 2nd Carrier on 413 sites.

Created, managed and performed the audit of a key vendor’s bill for services. Meeting with finance, legal and construction

team members for 2 months; 806 sites were reviewed to identify inaccurate and duplicate invoices. Project progress

was reported daily to senior executives, culminating in $22.4 Million savings to AT&T.

Supervised team of eight direct reports responsible for construction quality audits, site acquisition reviews and contractor

help desk support.

Provided field support, and managed resolution of Tier II RAN Escalations for Operations & Engineering.

Designed new equipment cabinets and floorplans to restack equipment, allowing for growth at space constrained sites.

Interfaced with National Technology Design Group for market level deployments of new equipment.

Lead RF Field Engineer Mar 1997-Dec 2005 AT&T Wireless, South San Francisco, CA (Formerly CellularONE)

Engineering and Construction Liaison assigned to Bechtel Telecommunications on GSM and UMTS overlay projects.

Established construction best practices and performed training for Bechtel Construction Managers and Subcontractors.

Created, Implemented and Managed process for approved daytime site outages, allowing all work to be performed

during the day. This process improved productivity and safety while reducing project costs and increasing billable airtime.

Designed innovative solutions to deploy GSM and UMTS equipment in space constrained sites.

Managed fault vendor resolution and field testing of Network Transport Project.

Developed new RF plumbing configurations to combine TDMA, GSM and UMTS equipment to share antenna resources.

Standardized construction best practices across AWS Operations, BECHTEL, ERICSSON, Nortel and their subcontractors.

Performed RF Optimization, Call and Drive Testing.

Established knowledge transfer program between radio equipment vendors and AT&T Operations.

Executed network capacity adds; installing hardware as well as writing software to bring new radios in service.

Performed network transport testing and troubleshooting on T-1, fiber, licensed and spread spectrum microwave.

Subject Matter Expert, assisting in the development of Structured On-the Job Training curriculum for National Operations.

Worked extended 24x7 “On-Call” rotations, responding to critical site outages to restore service.

Maintained 106 cell sites in downtown San Francisco as Field Technician.

EDUCATION

Telecommunications Engineering Sep 1997–Jun 2000

University of California, Berkeley, CA

Mechanical Engineering Sep 1989– May 1993

University of Connecticut, Mansfield, CT

CLASSES and CERTIFICATIONS

Anritsu Site Master Antenna Line Sweep

Andrew / Commscope Coax Connector Assembly Commtrain Tower Safety Rescue

CCI PIMPro PIM Test Set Operator and Advanced PIM Mitigation Techniques

CPR & Basic Life Support Eastern Research DNX-1u Access Gateway

Ericsson RBS 882 TDMA Macro Operations & Maintenance Ericsson RBS 884 TDMA Macro Operations & Maintenance

Ericsson RBS 884 TDMA Micro Operations & Maintenance

Ericsson RBS 2206 GSM Installation, Operations & Maintenance Ericsson RBS 2106 GSM Operations & Maintenance

Ericsson RBS 2308 GSM Installation, Operation & Maintenance Ericsson RBS 2250 GSM HcHc Installation & Operation

Ericsson RBS 3X06 UMTS Maintenance Ericsson RBS 3418 / 3518 Maintenance

Ericsson WCDMA Radio Access Network Overview

Ericsson WCDMA System Overview Ericsson WCDMA RBS 6601 Field Maintenance

Ericsson WCDMA W10 Air Interface Ericsson LTE / SAE System Overview

Exalt EX Series Spread Spectrum Microwave Installation & Maintenance

Harris Urbanet Licensed Microwave Operation & Maintenance Harris Constellation Licensed Microwave Operation & Maintenance

Harris MegaStar Licensed Microwave Operation & Maintenance OSHA 10 Hour Construction Safety

Powerwave OS MCPA PPC / JMA Connector Installation

Proxim Lynx GX Spread Spectrum Microwave Installation & Operation

Nortel BTS 18010 Operation & Maintenance Nortel BTS 18020 Operation & Maintenance

SpringBOK Project Management Professional Summitek Passive InterModulation Testing

Sunbelt Aerial Lift Operation & Safety

True Position LMU Installation & Integration

PROFESSIONAL REFERENCES AVAILABLE UPON REQUEST