Engineer Design

Fekede Taeme

240-***-**** ******@*****.*** ***** 37th Ave. SE Bothell 98021 WA US Citizen

RF ENGINEER

Creative, proactive, self-starter, energetic, excellent team player with immaculate personal integrity, punctual, detail/goal-oriented, very accommodating with can-do attitude, excellent verbal/written communicator, highly organized with project planning capability and skilled Telecom Engineer with 17+ years of experience in wireless telecommunications.

TECHNICAL SKILLS

Wireless standards and RF Design: LTE, WCDMA (UMTS), HSDPA, HSUPA, GSM, EDGE, GPRS, iDEN

DAS & Small Cell Design: Active, Passive, and Neutral DAS system designing and commissioning

Network Architectures: 3GPP and 3PP2 Packet Core and IMS

Good understandings of Land Mobile Radios (LMR's) and (Code of Federal Regulations) CFR 47

Part 90 Land Mobile Radio Service: Frequency coordination and filing

EMI/EMC and all RF Regulatory testing and FCC/FAA filings

RF lab measurement techniques for antennas: transmit output power, harmonics, Intermodulation and interreference analysis, Primary/Diversity Receiver sensitivity,

CORE COMPETENCE

Network Design: Mobile Telecommunication or cellular Networks Design (Capacity and coverage), Deployment, Integration, and Optimization: for outdoor and indoor (DAS and Small Cells); Resource Management and Leadership; Network Modeling; RFDS, CIQ, CW, Zoning, MPE, DT Analysis/ Network Auditing /Benchmarking/Shakedown support;

RF Safety: FCC/ASR’s/ FAA Determinations, Carrier Additions, Technical Writings

Network Auditing: Cell site auditing (Antenna, Radio, Cable, and all passive/active Components etc.)

EXPERIENCES AND ACHIEVEMENTS

TDC (Telecommunications Development Corporation. Nov. 2018--Present

Sr. RF Engineer

Telecom Site Auditing that includes Antenna, BTS, Cables Active/Passive components

Intermodulation/interreference/Distortion analysis and recommendations using spectrum analyser

Site walk

Site commissioning (in the future)

FES LLC. for T-Mobile, Charlotte, NC August 2018 Nov. 2018

Sr. RF Engineer: Ericsson equip.--MapInfo and Asset tools used

LTE network for North/South Carolina

RFDS, CIQ, candidate analyses for new sites design.

Site walk

Network optimization

United States Patent and Trade Office (USPTO) Washington DC Jan 2018 July 2018

Examining new inventions in telecommunications and networking

Approved/rejected inventions for patenting based on intensive and due diligent investigations

Sprint through Avacend Inc. Boston, MA Sep.2017-Dec 2017

Designed LTE Networks for Connecticut, Boston, areas

Designed small sell sites Connecticut, Boston, areas

Managed and commissioned sites using ATP

Generated BOM

TTS INC. SAN JUAN, PR FOR T-MOBILE Jan. 2017-June 2017

Sr. RF Engineer: Ericsson equip.--MapInfo, Geoplan, Siterra, and Asset tools used.

T-MOBILE Performed Small Cell design on the LTE network based on the traffic forecast for 2020 by Using the existing Heat Map, RSRP, and RSRQ to place a Small Cell in offloading the corresponding Macro Site.

Performed Site visiting, evaluating, and ranking the candidates

Performed Small cell and DAS optimization followed by Commissioning.

Performed site walks and drive tests to verify SINR and recommend macro/micro site adjustment or changes.

TRIPOT AFRICA LTD NAIROBI, KENYA. OPERATOR: SAFRICOM LTD Dec 2015-Dec.2016

Sr. RF Engineer: ATOLL, EDX (for indoor), ArcGIS, and Siterra tools used.

Performed the LTE network expansions to add 3 million subscribers for the biggest operator in Africa called SAFARICOM.

Created Radio Frequency (RF) Propagation for LTE/UMTS using Atoll for new sites, Technology-Overlay, LTE Ling budget, capacity and coverage planning,

Performed Small-Cell/DAS Sites Planning, optimization and Commissioning.

Active DAS Design: Moi International Sport Center at Kasarani, Nairobi 09/2015-10/2016 iBwave DAS Design and BOM

Defined Search Ring and candidate assessment against coverage goals in Atoll and company design KPI

Provided RF inputs to the New Site Build process and forecasted network and equipment

Created RFDS packages supported by Design and Optimization KPIs.

DAS Design: Yaya, The Junction, and Galleria Malls in Nairobi 08/2015 - 01/2017 iBwave DAS Design and BOM Commissioned an active/Passive DAS system.

Coordinates performance improvement efforts requiring both Design and Optimization techniques

Performed site walks and drive tests to verify SINR and recommend macro/micro site adjustment or changes.

Planned Frequency TA/PCI/PRACH and Performed EMC/RF Regulatory testing.

Implemented different MCS on trial bases with different modes of MIMO

Designed small cells or hotspot for Nairobi 11/2015-6/2016 with the help of GIS and Commscope

Performed inter-modulation analyses; link budgets; EME; propagation modeling; regulatory requirements

Calculated the efficiency of various multiple-antenna schemes and analyze the tradeoffs.

Analyzed propagation modeling and drive test measurements and make recommendations

Evaluated site design efficiency related to handover/handoff management and inter-technology handover/handoff.

Performed Network and/or Node Reviews/Audits; Investigated and resolved customer complaints regarding services.

SUBLIME WIRELESS: AZ/ MD/ DC/NV SPRINET NETWORKS (2nd-job) Nov 2013- June 2015

Sr. RF Engineer-Alcatel-Lucent Equip. Planet, Siterra, and Roofmaster used

Audited existing sites for Sprint Networks in Arizona, Nevada, and Baltimore-Washington (BAWA)-field trip included.

Using Siterra, performed Data Collection, Data and GIS Analysis, Recommendations and commissioned designed sites.

Tower Height, LTE/CDMA Antenna orientation, count, Antenna tilt (Electrical/Mechanical) and possible obstructions, Feeders Conditions; VSWR Checks; Site layout diagram and Clutter served by the sectors with photographs

eNodeB Working conditions and Number of TRXs present (working/Faulty)

RRH positions and possible obstructions by RRH and Microwave Antenna present and types/size

Performed site walks and drive tests to verify SINR and recommend macro/micro site adjustment or changes.

Used ATP in accepting test

GLOBAL TECHNOLOGY ASSOCIATES (GTA) CA and WA for NEXTNAV LTD. Nov. 2011-Nov.2015

Sr. RF Engineer for Western Region--CelPlan, Planet, Siterra, and ArcGIS toll had been used extensively

Designed and deployed new and advanced 3-dimensional location-based technology systems for in-building and on-street location for Seattle, San Francisco, Los Angeles, San Diego, Phoenix, Denver, Salt Lake City, Las Vegas, and Portland. All based on RF interface and on existing cellular networks.

Prepared, completed and submitted FCC/FAA/FAS

Generated BOM

Performed RF prediction creation and analysis, issued search rings, performed site selection, ranking, zoning, and reports.

Active DAS Design: San Francisco 49ers/Arena/Stadium 11/2013-06/3014 design and BOM--commissioned

Performed Pre-&-Post Launch Optimization for the DAS design and implementations.

Participated in the testing and constant developments of this modern technology that is opening a new chapter in public safety and commercial applications and delivered test results with high a degree of accuracy.

Gathered and closed documents through Siterra

Participated in cost justifications and performed technical Writings for the product usage and maintenance.

Performed desense mitigation through (1) trying to find the noise source (which often is a harmonic of a lower frequency noise source), and (2) finding the mechanism for radiation or coupling to the antenna (which directs the noise power to the receiver).

GLOBAL TECHNOLOGY ASSOCIATES (GTA) BAWA for AT&T Oct. 2010- Oct. 2011

Sr. RF Engineer Nokia and Ericsson Equipment--Atoll and Planet tools used

Performed network design and implementation of AT&T’s LTE, GSM and UMTS technologies.

Experimented different MCS with different modes of MIMO

Created LTE LB and implemented; Prepared, completed and submitted FCC/FAA/FAS

Improved drop rate and signal quality through ongoing monitoring, revision and solutions recommendations

Monitored traffic flows and made to increased UMTS traffic by 30% through traffic migration from GSM.

Designed, optimized, and commissioned Active and Passive DAS in BAWA corporate buildings.

Analyzed KPIs associated with RF coverage/capacity/quality, HOSR, retainability, accessibility, Integrity (Latency, % time on LTE, Throughput) Mobility, and Availability

Performed RF Data Analysis & Pre-launch Optimization of LTE 1st and 2nd Carrier network at BAWA Market.

Troubleshoot Wireless networking and hardware issues with LTE network, also responsible for Drive Routes, initial neighbor lists planning and IFHO (Inter frequency handover).

Daily activities involve analyzing JDSU/NEMO Drive test data to achieve target KPIs on DL and UL Throughput.

Troubleshoot and reported coverage holes, lack of cell dominance, over shooting, interference, low throughput, HO failure, Improvised CDR/CFR, and resolved customer complaints regarding service,

Performed parameter auditsCreated and worked on SARF/SCIP/RFDS using Autoforms.

Reviewed construction drawings and plumbing diagram, performed physical cell site adjustments (antenna type and rad-center, azimuth, E-Tilt/M-Tilt) and Represented ATT at zoning.

Performed site walks and drive tests to verify SINR and recommend macro/micro site adjustment or changes.

Improved the degradation in sensitivity due to noise sources (Desense), typically which are generated by the same device the radio is in.

CELLPLAN TECHNOLOGIES NAIROBI, KENYA for SAFARICOM LTD. June 2006–Sep.2010

Sr. RF Engineer Nokia, Ericsson, and Huawei Equipment--CelPlan, ATOLL, Siterra, ArcGIS, and Auto-forms

Lead UMTS nominal planning and optimization for the Nairobi area

Generated focus and computation zones, Traffic Maps, verified RFDS submitted by the market and with the existing ATOLL database

Ran path loss, Monte-Carlo Simulations’ (UMTS) and all the predictions needed for the client design review

Optimized UMTS 1900 network for scaled Traffic by changing the EDT/ MDT, reducing Pilot Pollution and improving Ec/Io to meet the design KPI's in ATOLL

Implemented Active DAS: Nairobi University, Kenya indoor design 07/2007-12/2007 iBwave DAS design new build

Implemented Active DAS: Nakumat Mall, Nairobi, Kenya 09/2007-03/2008 iBwave DAS design new build

Prepared PSC Plan and created Neighbor lists (IRAT, IFHO) for optimizing UMTS 1900 network

Performed LTE Network Planning and modeling with Monte-Carlo Simulation, coverage prediction creation, analysis, and reports. This included ACP measurement analysis, LB, and neighbor List creation, PCI design, Traffic analysis, Model tuning and Initial Tuning,

Performed Network and/or Node Reviews/Audits,

Implemented recommendations for network optimization improvement,

Optimized clusters based on drive test data, improving: CDR and CFR to well below 2%, improving Handover success, and throughput.

Benchmarked the existing networks; defined adjacency/neighbor relations and planned PCI; analyzed drive test data; completed network statistical performance analysis; and reported overall findings to customer.

Directed site design and surveys for Small Cells/ DAS for Stadiums, Hospitals, Universities, and Shopping Malls.

BECHTEL: NY, NY, MD for AT&T Jan.2004–May.2006

Senior RF Engineer Ericsson and Nokia Equipment-Planet-EV, Geoplan/ArcGIS and Roofmaster used

Responsible for new cell site design of AT&T GSM 1800 MHz, UMTS 850 MHz and selection meeting pre-launch coverage and capacity requirements using MSI Planet for a greenfield and co-located PCS digital network covering MTAs in New York and New Jersey.

Attended Sites-walks, issued search rings, evaluated candidates through Drive test and coverages plots with MapInfo, Geoplan, and Planet, and reviewed construction drawings

Filed FAS, FAA, FCC, EME, and e911 as needed.

Used MUOS: The Mobile User Objective System is a narrowband military communications satellite system that supports a worldwide, multi-Service population of users in the ultra high frequency band. The system provides increased communications capabilities to newer, smaller terminals while still supporting interoperability with legacy terminals. MUOS is designed to support users that require greater mobility, higher bit rates and improved operational availability.

Generated BOM

Collected and analyzed drive test data with Grayson Inspector, Agilent e6471a, and Actix Analyzer.

Conducted cell site integrations, continually enhancing call quality and network footprint.

Created and presented coverage maps to the senior management using MapInfo.

Duties expanded to senior-level as guidance and training of junior engineers

Conducted RF safety analysis.

Represented AT&T on zoning hearing and 60 out of 67 of my cases were approved.

Integrated and commissioned sites currently in service and proposed for network expansion based on the traffic report analysis.

Created site design RFDS and incorporated it with the respective plumbing diagrams.

Improved the degradation in sensitivity due to noise sources (Desense), typically which are generated by the same device the radio is in.

NOKIA for ETHIO TELECOMS: ADDIS ABABA, ETHIOPIA Feb.2003–Dec.2003

Network Operation Center (NOC) Engineer Nokia and Ericsson Equipment Planet EV used

Lead the design, implementation and optimization of Nokia’s GSM 900/1800 MHz networks of Ethio Telecoms. Number of subscribers grow by 39% in the first year.

Passive DAS designed and commissioned.

Interfaced between Ethio Telecoms and vendors (Nokia, Ericsson and ZTE) as well as other subcontractors.

Maximized coverage and capacity while minimizing costs. Network quality and coverage increased 41% and 35% respectively. Small Cell usage increased by 10% in the first year.

WFI INC. SINGULAR and NEXTEL (USA), (S. ARABIA), and BRAZIL Jan. 1999-Jan 2003

Senior RF Engineer Nokia, Motorola, Nortel, Siemens, and Ericsson Equipment -Asset and Wizard used

Designed an iDEN network for the city of Seattle

Indoor design for Safeco Field Stadium for Nextel 01/2000-12/2000; Commscope and BOM, new Build

Designed and effectively optimized 2G networks, in Atlanta, Seattle, Saudi Arabia, and Brazil for operators Cingular, Nextel, Saudi Telecom Company (STC), and Claro and Oi of Brazil.

Independently planned 976 sites for the cities in USA (Seattle), Brazil, Italy, S. Arabia

Planned IBS (In building Solution) for major corporate houses like Hotel, Universities, Malls, Stadiums etc.

Prepared MapInfo & Google earth files for the planning & Optimization purpose.

Indoor: Ugatimi Malls in Recife, Rio de Janeiro, Sao Paulo -CommScope Design and BOM, new Build

Active DAS: Macarana Stadium 05/2002–09/2003; DAS optimization, new node add--Commissioned

Performed Physical survey & Validation of difficult sites and proposing solution for it.

Performed Frequency (BCCH, TCH, HSN, MAIO) and neighbor planning for all cities.

Performed Pre-&-Post drive test of new on-air sites and post processing of log files to generate coverage & Quality plots. Neighbor list tuning. Performed Antenna selection for the new and existing sites.

Performed Drive testing using Agilent E 6474A, TEMS 3.2, and 7.0 Version.

Worked on performance monitoring & network health statistics for optimization.

Prepared Cell design Database (CDD).

Generated BOM

Prepared the following reports: Daily MAPA reports, Showcase-Towns report; Monthly Utilization report and error-free KPI Signoff every month, monthly dashboard report, monthly N/W Input file, Monthly TRAI Congestion Report, and Quarterly Trai report. Performed day to day analysis of N/W problems and performed trouble shooting, Created site design RFDS

Evaluated coverage & capacity problems and requirements for cell additions

Passive Indoor designed and commissioned. Malls, Universities and Government offices.

Worked on RFE mitigation standards within the allotted time frame.

Completed the pre/post optimization drive test analysis with tools like Tems and Atex.

Successfully completed Network Modeling, Traffic Analysis, Link Budget Calculations, Antenna Selections, MW-Link Clearance, RF Safety Analysis, FAA/FCC Filing and Vendor Equipment Evaluations/Selections.

LCC LLC for ITALTEL (ITALY) and BCP-Brazil Aug.1996-Dec.1998

RF Engineer Siemens and Nortel Equipment Planet, Asset, Geoplan and Roofmaster used

Designed the first 2G networks for Italtel in Italy and BCP in Brazil.

Completed site search ring and design; implemented the Link Budget, Traffic Analysis, Frequency Planning, Drive Test Data Analysis, Site Physical Calibrations and all RF safety issues.

Micro Cell Design: S.S.C. Napoli/Arena/Stadium 12/1996-6/1997 CommScope Design-- optimized and commissioned.

Micro Cells Design: for Malls: Village on Venetian Bay, Naples Malls and Shopping center Commscope-- optimized, and commissioned.

Filed RFDS, audited, integrated, zoned and commissioned 1245 sites in both countries.

Worked with the performance team to improve KPIs.

Worked with traffic and implementation counterparts for capacity improvements needed in the network

Planned, ordered and deployed network components

Completed Technical explanation through technical writing that is very easy to understand to technicians.

MLJ INC. for CLEARNET-CANADA Jan.1995-July.1996

Associate RF Engineer Siemens and Nortel Equipment Wizard and Microwave LOS tool

Performed and completed Microwave clearance and Frequency coordination for Clearnet Inc. This cleared the available frequency for the newly designed GSM network in Toronto, Canada

TOOLS USED

Telecom Design tools: MapInfo, Asset 3G, Radio plan ACP, CellPlan, Planet EV, Wizard, Atoll, Agilent, Roofmaster, RoofView, Autoforms, ACP, Trucell EDX,

Measurement instruments: network analyzers that also include Spectrum analyzer, Signal Generator

Drive Test Equipment: Tems,T-Birds, Comarco, ACT, TSML (Radio Network Analyzer), TSMQ (WCDMA, ROMES2GO (3GPP Walk Test Solution),Pilot Scanner, MEMO outdoor, Agilent, Anritsu Link Master(for LTE), SiteMaster, JDSU…etc

Drive Test Post Analysis Tools: Actix Analyze, Ericsson TEMS, Discovery, and NEMO Analyze.

Database: Siterra, FCC ASR and DataPro

Simulation tools: Matlab,

GeoData: MapInfo, GoogleEarth, Geoplan

Computer Language: Python, C++(moderately), Microsoft Office suite of products

EDUCATION

BSC Electrical Engineering Georg Mason University, Fairfax, VA 1995

Plan to complet MSC Telecom Management at University of Maryland-will be completing Fall 2019

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