Thomas Ajawara

RAN/DAS/LTE/UMTS/CDMA/EVDO/GSM/EDGE/GPRS – RF Design & Optimization Personnel

CELL +1-510-***-****

• E-MAIL: acxn0v@r.postjobfree.com, acxn0v@r.postjobfree.com

PROFILE – A Seasoned IBWAVE Certified DAS, Small Cell, and RAN RF Engineer with 16 years in experience in Wireless Telecomm & IT Domain

Specializing in Managing, Designing & Optimizing DAS/LTE/UMTS/CDMA/GSM/EDGE/GPRS, Network on Ericsson/NSN and Nortel Platforms. Microwave Network Design and Site Survey, Network Planning and Simulations using ATOL, ASSET and Planet Planning Tools Resourceful LTE, UMTS, CDMA, GSM/EDGE/GPRS Radio Network Planning, Dimensioning, Performance and Optimization Manager with Multivendor experience / Pre Sales & Project Management Experience

PROFESSIONAL RELEVANT EXPERIENCE:

Wireless Solutions Vendor, Boolean Wireless LLC

(Cell Site Auditor, DAS/Small Cells and WI-FI Solutions Consultant) June, 2016 to Present

Performed preliminary in-building DAS solution design using iBwave design tool to support CDMA/LTE, UMTS/HSPA+ cellular networks designs

Attended and participated in RFQ or RFP process and performed RF Site Walks, Bid-Walks and supplied RF Engineering SME services to small enterprises and E2E Vendors

Performed PIM mitigation and interference hunting and suggested resolutions using spectrum analyzers

Gathered Close-out Packages for New Site Builds, DAS Head-End rooms and WI-FI Installations.

Evaluated, reviewed and researched technical and performance details on Small Cell equipment and WI-FI Controllers

Network Applications Engineer, TE Connectivity USA

(DAS Applications Engineer, Network Engineering West) May, 2014 to Nov, 2015

Excellent knowledge of DAS Design, Dimensioning, Commissioning and Troubleshooting utilizing TE Connectivity’s FlexWave Fusion, Spectrum and Prism DAS Equipment.

Dimensioning of single/Multi-mode Fiber Timeslots for wireless technologies and frequency bands and fiber ordering

Indoor site design planning utilizing iBwave tool, Outdoor site design modeling and planning utilizing ATOL tool, and DAS post commissioning Optimization focusing on UL noise, interference mitigation, DL power adjustment.

Equipment layout, Elevation Drawing & Planning using Visio and CAD software

Performing CW testing during indoor site surveys/walks to determine acceptable design criteria

Post Installation/Greenlighting Site Integration, Commissioning and Troubleshooting and ensuring that design and performance criteria are met, including Troubleshooting LTE MIMO path imbalance and RSRQ issues

CPRI deployment experience: Site fronthauling to minimize tradition RAN equipment deployment which provides efficient equipment deployments as well as OPEX savings to the customer(s)

Project documentation and closeout packages, as well as Use Company’s propriety software to perform engineering calculations on bearing performance.

As a Systems Engineer works closely with our customers/agents in optimizing complex communication systems and solving complex technical problems and be able to provide recommendations for system performance improvements.

Fielding, Investigating, Troubleshooting and Resolving customer complaints as it related to products and installations.

Field Testing and validation of LTE and WCDMA systems verifying mobile to cell connections and throughputs.

Maintain technical relationship with the customer through professional interaction (both written and verbally).

Coordinating requirements of new orders with design and manufacturing teams, increasing profitability and market share with existing customers.

Knowledge of TCP/IP fundamentals, routing and Port Forwarding including IPv6 and IPv4 Multicast.

Develop commercial and technical proposals in response to customer inquiries, and provided presentations on features and benefits of company's products

Further Enterprises Solutions Feb, 2013 to May 2014

Senior Project Lead, Providing support on various AT&T and T-Mobile projects in Greater Los Angeles Area

(UMTS/LTE Network Design and Modernization).

Preliminary RF Design, Search Ring release, Site Candidate evaluation and approval, Design Walk and A&E Drawings Review, Zoning Complete, Site Integration support, Post Integration “ON AIR” performance test.

Participated in design and construction reviews to ensure that all agreed Civil Works guidelines and schedules are followed and enforced while tracking other milestones in RF Design/Site Development & Construction Meetings.

Drove scheduled activities and ensured that vendors/suppliers meet all the technical specifications with respect to Ericsson functions, Supply & Logistics with Operations/Field Services and customer specifications

Evaluated new and existing candidates to ensure they meet current and future UMTS and LTE capacity growth.

Hands-on experience with ASSET and ATOLL Planning tool for outdoor Macro and Small Cells Design site planning

Implementation services including Network Design, adherence to safety practices and close out documentation.

Working knowledge of Microwave backhaul Designs - site survey, Line of Sight (LoS), Pathloss, Fresnel Zone effects.

Knowledge of FCC RF Radiation Exposure guidelines, Federal Regulations, OSHA Regulations and FCC OET Bulletin 65.

AT&T Mobility, TN/KY/AL Markets

DAS Solutions Engineer, Antenna Solutions Group (ASG)

(GSM/GPRS/EDGE/UMTS/LTE Network). May, 2012 to Feb, 2013

System Design/Optimization of DAS Networks for In-Building/Venues/Events Centers

Evaluating existing design, installation, implementing and optimization of Indoor/Outdoor Distributed Antenna Systems (DAS) with the purpose of improving performance.

Performed and oversaw Commissioning of major DAS OEM sites; TE Corning Mobile Access, CommScope.

Provide expanded cellular network coverage and/or capacity for ISEs, special events and new sub-divisions via oDAS, cell extenders and repeaters.

RF Design, validation, enhancement and propagation modeling of In-building DAS using iBwave Tools.

RF Design, validation, enhancement and propagation modeling of Macro/o DAS using ATOL Tools.

RF Design and post launch optimization on GSM, UMTS, and LTE DAS/macro networks with the purpose of optimizing its KPIs.

Troubleshot & supervised Ericsson RBS 6601 and 6206, DAS Headend including POI RRUs for DL RSCP and Ec/No; RSRP, RSRQ, Call failures with Ascom TEMS pocket, & investigation and Anritsu BTS Master.

Experienced with AT&T’s GSM/UMTS/LTE Base Stations system infrastructure for Ericsson RBS, 3000, 6000 RBS, ALU Flexent Macrocell, 9000 RRH, RBS and Nortel BTS S8000, S12000, MetroSite, and UltraSite configurations.

Hands-on experience with data collection/processing tools such as JDSU/Agilent tools, TEM Investigation and Actix Analyzer. Overall design and optimization costs reduction initiatives through issues resolutions.

Redesigned DAS sites for Tri-Band Carrier Aggregation (CA) and Ul-Comp, resulting in throughput increase

Performed RAN design; capacity calculation and dimensioning to capacity needs of DAS & Small Cells; for new site builds and carrier adds for 700MHz, 850MHz, 1900MHz, and 2100MHz multi-band WCDMA, LTE sites.

Performed & supervised zone/sector containment, Hand Off performance improvement, UL noise and interference mitigation, resulting in improvement in WCDMA and LTE SINR and overall spectral efficiency.

Live monitoring of network performance during high capacity events for VoLTE, LTE, and WCDMA KPI analysis for real time RAN parameter tuning and IRAT load sharing/balancing.

Knowledge and use of Remedy, Salesforce and Siterra site repository Database

Berean Group International

A Member of Consulting Staff, Alcatel-Lucent Technologies, USA

DAS/RF Systems Solution Engineering November, 2010 – April, 2012

Design of LTE MIMO and SISO as well as radio networks for high capacity venues and event centers, with a view towards achieving target metrics for RSRP, RSRQ, SINR and RF Dominance.

Solid understanding of UMTS/LTE L3 Protocol message

Working knowledge, configuration and commissioning of OEM DAS Equipment Mobile Access 1000/2000, TE Connectivity (Fusion, Spectrum and Prism Suites) and Commscope (ION M and ION B) DAS Platforms

Scoped, integrated and configured Wireless Access Point (Wi-Fi) routers to offload Cellular Network Data usage through deployment of several Cisco Wi-Fi projects using Cisco Aironet 2600 APs, Cisco Aironet 3600 APs, and Cisco 5500 Wireless LAN Controllers.

RF Design and post launch optimization on GSM, UMTS, CDMA2000, 1x EVDO and LTE macro networks optimizing call drop rates, Ec/Io, Throughputs Access failures and Success Rates and other KPIs.

Hands-on experience with data collection/processing tools such as JDSU/Agilent tools E6474A and ASCOM’s TEMS

Presales support at customer meetings, Pre and post design site walks, and surveys at enterprise locations.

RFP technical response support and generating Scope of Work (SOW), quote, required equipment parts list, and BOM.

Gathering and generating As-Built/Close out packages for completed job

RF Design, validation, enhancement and propagation modeling of In-building DAS using iBwave and CAD Tools.

Third Party DAS & BDA (repeaters) equipment System Integration and Testing.

Provided Technical guidance and project management during installation and integration of DAS network.

Solid understanding, hands-on experience with TEMS, Actix, Google Earth, Microsoft Streets & Maps

Use of wide array of products to provide wireless coverage and capacity in limited or confined areas as well as Public Safety/LMR ready systems.

Designed and implemented passive Parallel/Hybrid Public Safety DAS utilizing Donor Antenna, BDA and Service Antennas

Upgrading outdated passive DAS system to more robust active DAS with adequate capacity requirement

Evaluate new opportunities to gain business opportunities for the enterprise.

Pyramid Consulting (AT&T Mobility, Pleasanton, CA)

DAS Solutions Engineer, Antenna Solutions Group (ASG)

(GSM/GPRS/EDGE/UMTS/LTE Network). May 2010 to November 2010

As a member of DAS technical team, ensured that the newly installed DAS (system) has met internal and external specifications and collaborated with the local market engineering team during commissioning, testing, and optimization to ensure that agreed targets are met

iBwave in-building design/modeling tool training and certification.

Working with different functional groups and vendors, to develop enterprise-wide DAS/other in-building solutions for different venues and ISE locations.

Hands-on experience with ATOLL Planning tool for outdoor DAS/Macro site planning

Knowledge and use of Remedy and Siterra site repository Database

Ensured that system designs meets the company’s Public Safety standards and requirements

Generated guidelines for outdoor DAS (oDAS) design with focus on RF requirements such as antennas types, Link Budgets calculations, spectrum and interference management, etc

T-Mobile USA, San Francisco, CA, USA

RF Manager - UMTS / GSM Design & Optimization Nov 2004 to May 2010

(UMTS/GSM/GPRS/EDGE Cellular Network with Alcatel Media Gateway).

Area-wide Deployment of 2G and 3G (UMTS) Design & Optimization and Build-out/re-design project for the San Francisco market.

Manages a variable size team of RF Engineers responsible for UMTS/GSM RF Design and Optimization engineering.

Identify and performed daily KPI improvement to resolve coverage issues, pilot pollution, Neighbor List, IRAT, SHO, IFHO, Drops (CS & PS) & Accessibility (CS & PS).

Collaborates with the national (FSC), regional and local market engineering, new site development and operations teams in the development of strategic and operational plans that are consistent with corporate objectives.

End to End RF design and performance, RF Spectrum Management - frequency block planning, clearing, harvesting and refarming, identifying areas for roaming partnerships and agreements with other wireless operators, and new-technology planning for local markets that also conforms to ITU standards.

Prepared Documentation critical for corporate deployment strategies, performed presentations and Testified at Jurisdictional/Zoning Hearings in defense of RF Site Design deployments.

Directed Network improvement initiatives and led the market in KPIs resulting in corporate winning the Nielsen rating during Telephia/Nielsen’s Competitive Analysis on all local wireless networks which ranked T-Mobile #1 in lowest drop call rate at 0.9% (Mar/05), 0.7% (Sept/05) and 0.6% (Mar/06).

Lead Corporate strategy that resulted in J.D. Power awarding T-Mobile San Francisco #1 in Call Quality (1Q 2006).

Supports development of strategic partnerships with Google for the development/testing of Android smart phones.

Responsible for various indoor/outdoor DAS projects in various communities and institutions in SF Bay Area.

Collaboration and interfaced with customer support team and cross-functional teams in resolving network issues.

Directs on going Coverage planning activities for 3G & 2G Networks through New Sites Deployments (Macro / Micro / COW (Cell On Wheel) / IPAccess, Pico, Femto and Small Cells).

Perform Outsource vendor selections for projects while developing Service Level Agreements (SLA) and Scope of Work (SOW) and contract negotiations that meets operational and capital expenditure (OPEX and CAPEX) budget.

Knowledge of FCC maximum permissible RF emission MPE standards, Channel Interference studies analysis and mitigations and ensuring that Radio Regulations RR are adhered to.

Performed Path Loss tuning for UMTS Network using Radio Plan– ASSET and TEMs Drive Data.

New staff recruiting and hiring, setting annual and quarterly goals for team as well as quarterly performance reviews and real-time coaching and mentoring.

Performed BSS activities - Network Parameter settings, audit and analysis on the cell and global levels

Designed & Optimized in building DAS systems, and Femto/Small Cells for high profile/high usage clients and University Campuses.

Experienced with GSM/UMTS/LTE Base Stations system infrastructure for Ericsson RBS, 2000, 3000, 6000 RBS

Nexius LLC Supporting Washington DC and Chicago Markets

Senior RF Consultant Sept 2003 to Nov, 2004

(Ericsson and Nortel Based GSM/GPRS/EDGE Cellular Network).

New Site design candidate evaluation including analysis and simulation ensuring that coverage objectives are met.

Automatic Frequency Planning using Cell-Opt tool to optimize and analyze the reuse frequencies

Daily and routine monitoring and review of radio network Key Performance Indicators (KPI) such as drop Call,

Post Processed RF drive-test data with TEMS and Actix, for cell Coverage and Quality investigation

RFDS, Frequency Plan and Neighbor list for New Cell Sites.

Monitored Key Performance Indicators (KPI) such as Dropped calls, Blocked calls, Access failures & Handover Failures. TCH/SDCCH congestion, HO success rate, Set-up failure rate.

Optimized LAC boundaries & adjusted parameters in the BSC for the sites in LAC boundaries.

Analyzing system sweeps to ensure that cells meet acceptable RF levels.

Cingular Wireless Inc, Pleasanton, CA, USA

Senior RF Design & Optimization Engineer - GSM Mar 2001to Sept 2003

(GSM/GPRS/EDGE Cellular Network).

Daily and routine monitoring and review of radio network Key Performance Indicators (KPI) for the assigned cluster consisting of 150 sites in San Francisco Bay Area.

Evaluated locations prior to approving cell sites. Designed and integrated in-building solutions for large corporations and hotels, as well as the designing additional commercial sites within assigned cluster in a GSM Cellular network.

Performed Cell planning and optimization using Mentum Planet tool and MapInfo GIS

Prepared and released Search Area Maps (Search Rings) for theoretical system design.

Participated in zoning meetings to ensure that cell site meet RF standards and requirements.

Performed Beta Testing ( Acceptance Test Procedure ) for new sector adds & new cell sites integrated to the network

Performed Parameter changes on the cell level & BSC Level using OSS through Command Handler & Citrix scripting running on Unix OS Platforms.

Designed & Optimized in building microcells & DAS systems for major Cingular Wireless Corporate clients in San Francisco Bay Area.

Experience in Anritsu Site Master, RF Power Meter, RF Spectrum Analyzer & Tektronix K1205 Protocol Analyzer

Optimized LAC Boundaries & performed BSC Re-homing and site redistribution for the San Francisco Area.

Designed, configured and implemented 802.11A, B, G compliant wireless LAN and Wireless Access Points (Wi-Fi) and Routers on a large scale.

Advance Solutions Inc, San Francisco (A Division of PacBell Wireless Inc) CA, USA

Manager – Tier II Network Operations (Wireless Domain) Jun 1998 to Feb 2001

Developed Service Level Agreement and Scope of Work with Customers and provided technical training to client.

Knowledge of TCP/IP, IPSEC, FTP, SMTP HTTP, iP Routing between Gateways, Routers and network devices.

Prepared Advanced Troubleshooting manuals for internal engineers & customers..

Fielding, Investigating, Troubleshooting and Resolving customer complaints as it related to products and services..

Designed, configured and implemented 802.11A, B compliant wireless LAN as well Wireless Access Points (Wi-Fi) and Routers on a large scale strictly adhering to Information and Communication Technology (ICT) Standards.

Knowledge and troubleshooting of various Windows OS platforms and familiar with Linux Operating System

Configuring several brand name routers, broadband modems, switches and other Network devices.

Provided line maintenance, provisioning and support with plant control office (PCO). Configuring of TCP/IP networks.

Excellent Knowledge of SS7/IP Internetworking Solutions, TCP/IP protocol, DNS and Subnet mask configuration

EDUCATION & TRAINING

Bachelor of Science in Electrical Engineering, San Jose State University, San Jose, CA USA.

Ericsson WCDMA HSPA Radio Access Network Training and Certification

Award Solutions 4G/LTE and LTE-A Training & Certifications,

iBwave Certified IBS Professional

TE Connectivity Fusion, Spectrum and Prism DAS Installation & Commissioning Certified

Technical trainings and Seminars to improve engineering, management and leadership skills.

Project Management Training: PMI Certified PMP Certification Exam Prep Course.

MEMBERSHIP

IEEE

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