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Apolonio Galen Belen

Senior RF Engineer at Telecom Technology Services, Inc.

Fort Washington, MD

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More than eighteen years of experience in the wireless industry that includes thirteen years in RF engineering, implementation, network expansion and overlay, installation, troubleshooting, integration, optimization, RF design including DAS and project management. System background includes AMPS, TDMA, CDMA, GSM, UMTS, and LTE. Familiar with BTS equipments like Alcatel Lucent, Motorola, Nokia, and Ericsson. Propagation tools used are PathPro, dB planner, ASSET, Mentum Planet, and Keima Overture.

Work Experience

Senior RF Engineer

Telecom Technology Services, Inc.
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Pleasanton, CA
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April 2012 to Present

• Worked on the AT&T/ASG for the DNC (Democratic National Convention) DAS optimization using OptPCS iCE analysis for RF recommendation in Charlotte, North Carolina. 
• Worked on the T-Mobile Modernization Project in Charlotte, North Carolina. 
• Worked on the T-Mobile Modernization Project in the Washington DC and Baltimore Market. 
• Worked on the T-Mobile Modernization Project in the Chicago and Milwaukee Market.  
• Created RFDS to overlay the LTE Technology on T-Mobile’s existing UMTS network. 
• Created MPE Compliance Report base on the FCC guidelines. 
• Reviewed preliminary construction drawings and issue the final RF configuration sheet.

Senior RF Design Engineer

Bechtel Communications Inc
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Montvale, NJ
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July 2011 to April 2012

07645 
 
• Created RFDS for UMTS and LTE rollouts for AT&T Mobility Project. 
• Selected and configured the antenna design for the required coverage objective. 
• Coordinated with Site Acquisition and Engineering regarding site requirements. 
• Prepared MPE (Maximum Permissible Exposure) study to ensure that the site is in compliance with FCC Standard using on-site measurements and software analysis. 
• Represents AT&T on Zoning Hearing to justify the site alteration. Created zoning plots using Mentum Planet.

RF Design Lead Engineer

T-Mobile USA, LA North
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Simi Valley, CA
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January 2011 to June 2011

93065 
 
• Lead the T-Mobile LA North market with the UMTS and GSM design. 
• Standardized RF Team's procedures for site candidate approval, documentation, and on-air drive test for new site. 
• Selected and configured the antenna design for the required coverage objective. 
• Worked closely with Site Acquisition Managers and Construction Managers for site status. 
• Conducted Management Site Walks for sites with complicated design. 
• Assisted Development Group to assure that every Site Search Rings has candidates. 
• Involved in DAS design, acceptance test, and coordinating with vendors (Commscope & Mobile Access) and general contractors. 
• Prepared zoning documents with propagation plots, and identified significant gap in coverage and described in detail the nature of the area or the number of potential users who may be affected by the claimed significant gap. 
• Performed CW drive test to verify the site design and for zoning justification. 
• Approved site configurations (antenna height, azimuths, feeder lengths, and antenna separation) prior to issuing NTP (Notice to Proceed) for construction. 
• Reviewed antenna system sweep test. 
• Helped to reach the market's goal of On-Air Sites every quarter.

Design Lead Engineer

LTE RF
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October 2010 to January 2011

Telecom Technology Services Inc. 
7901 Stoneridge Mall Rd, Suite 500 
Pleasanton, CA, 94588 
 
• Worked on the initial design of 899 sites for the Lightsquared and Nokia Siemens LTE Project in the Los Angeles area, applying my local and technical knowledge. 
• Selected and configured the antenna design for the required coverage objective. 
• Used Mentum Planet and Keima Overture as the design tool. 
• Execute Prediction studies for RSRP, RSRQ, SINR, throughputs, Coverage by Transmitters. 
• Boomer Analysis to analyze and control the overshooting cells. 
• Involved on outdoor DAS design for areas with low rate to no zoning approval with the use NextG, ATC, and Crown Castle database for faster implementation. 
• Prepare Optimization Environment and data for Automatic Cell Planner 
• Performed model tuning and validation using Planet. 
• Reviewed SCIP and RF Configuration Sheet. 
• Attended site walks with Site Acquisition and A&E groups.

RF Design Lead Engineer

T-Mobile USA, LA North
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Simi Valley, CA
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February 2010 to October 2010

93065 
 
• Standardized RF Team's procedures for site candidate approval, documentation, and drive test for on-air site for GSM and UMTS technologies. 
• Selected and configured the antenna design for the required coverage objective. 
• Worked closely with Site Acquisition Managers and Construction Managers for site status. 
• Conducted Management Site Walks for sites with complicated designs. 
• Assisted Development Group to assure that every Site Search Rings has candidates. 
• Provided zoning documents with propagation plots, and identified significant gap in coverage and described in detail the nature of the area or the number of potential users who may be affected by the claimed significant gap. 
• Approved site configurations (antenna height, azimuths, feeder lengths, and antenna separation) prior to issuing NTP (Notice to Proceed) for construction. 
• Helped to reach the market's goal of On-Air Sites every quarter.

RF Design Engineer

T-Mobile USA, LA North
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Simi Valley, CA
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March 2007 to February 2010

93065 
 
• Worked with T-Mobile LA North Simi Valley California Market handled 110 sites out of 390 cell sites for new site build using Ericsson RBS 2106, RBS2206, RBS2111, for GSM, and RBS3206, and RBS3106 for UMTS. Used ASSET propagation tool from Aircom. 
• Designed in-building coverage using RBS 2308 or IP BTS for retail stores, and marketing support. 
• Selected and configured the antenna design for the required coverage objective. 
• Provided the Development Group with justification packages, and RF configuration sheet for each cell sites. 
• Responsible for Search Ring scrub, site approval, site candidate ranking, construction drawing review, and zoning plots. 
• Attended planning meetings and zoning hearings. 
• Involved in creating site data fill and E911 work order, site integration, test calls and drive test before the site gets on air. 
• Trained new engineers that are new to the project.

RF Engineer

Collaborative Technologies
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Ellicott City, MD
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December 2006 to March 2007

21042 
 
• Worked with Sprint/Nextel in Connecticut Market for the overlay design of 199 cell sites and visited the sites for possible collocation for CDMA technology. 
• Used Planet EV for propagation Study. 
• Selected and configured the antenna design for the required coverage objective.

RF Design Engineer

T-Mobile USA, LA North
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Simi Valley, CA
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August 2005 to December 2006

93065 
 
• Worked with T-Mobile LA North Simi Valley, California Market. Designed 80 cellsites out of 230 cellsites for the whole market using Ericsson RBS 2106, RBS 2206, or RBS 2109. Used ASSET from Aircom as the propagation tool for GSM technology. 
• Designed in-building coverage using RBS 2308 or IP BTS for retail stores and marketing support. 
• Selected and configured the antenna design for the required coverage objective. 
• Provided the Development Group with Justification Packages and RF Configuration Sheet for each cell site. 
• Responsible for Search Ring scrub, site approval, site candidate ranking, construction drawing review, zoning plots and Site Data Fill. 
• Involved in site integration, test calls and drive test before the site gets on air.

RF Engineer

Avenger Engineering
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Alpharetta, GA
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June 2005 to July 2005

30022 U.S.A. 
 
• Worked with Cricket Communications on their Greenfield market in Houston and Austin, Texas market. Identified existing cell site structures to be use on the initial design using Planet EV from Marconi as the propagation tool for CDMA technology. 
• Selected and configured the antenna design for the required coverage objective.

RF Engineer

Bechtel Telecommunication
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Fair Lawn, NJ
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September 2003 to June 2005

07410 U.S.A. 
 
• Worked with new site built as a zoning hearing support and used Planet EV for preparing zoning plots. 
• Worked with AT&T Wireless Services(AWS)/Cingular Special Projects for overlay and growth of GSM 850 and GSM 1900 network in the TriState Market (CT, NJ, and NY) with more than a thousand cellsites using Nokia Ultrasite Base Station with GPRS capabilities, Powerwave MCPA, and other growth solutions. 
• Selected and configured the antenna design for the required coverage objective. 
• Designed and created the templates of RF datasheets that will be submitted to the client for approval. 
• Involved with cellsite troubleshooting, sweeptest review, antenna analysis, construction evaluation, and zoning application and testimony.

RF Engineer

Bechtel Telecommunication
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Meriden, CT
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November 2001 to September 2003

06450 U.S.A. 
 
• Worked with AT&T Wireless Services (AWS) Liberty Project for New Site Builds in the Connecticut Market with more than four hundred cell sites using Nokia Ultrasite Base Station GSM 1900 with GPRS capabilities. 
• Determined site search areas and evaluated site candidates to fit with the RF design using dB Planner. 
• Performed drive test to verify the signal propagation from the design. 
• Coordinated with site acquisition and construction engineers to confirm site candidate qualifications. Populate the database with required fields. 
• Prepared RF data sheet, MPE (Maximum Permissible Exposure) reports, Zoning Plots, TOWAIR and other zoning requirements for Sitting Council application. 
• Identified sites that required FCC and FAA applications. 
• Attended public hearing for zoning applications.

RF Engineer

JMS Worldwide, INC
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Arlington, VA
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March 2001 to October 2001

22201, USA 
 
• Worked with the preliminary GSM/GPRS RF design for Panama City that includes 13 sites for the initial design. 
• Engaged in RF optimization and design for US Cellular and Sprint PCS network with a total of more than a hundred cell sites. 
• Selected and configured the antenna design for the required coverage objective. 
• Determined site search areas, tower height, antenna type and power. 
• Determined and analyzed RF coverage using Pathpro as propagation tool. 
• Performed drive test by collecting RF data using Comarco GenII and Grayson Surveyor and analyzed results using WokBench, Pathpro and IQanalyzer post processing tools for AMPS, IS-136, iDEN, GSM and CDMA Cellular/PCS Network. 
• Produced maps and drive data plots utilizing MapInfo. 
• Pathpro includes easy to use mapping interface, terrain, demanded LULC data visualization, full 32-bit compatibility.

Technical Supervisor / GSM

Norconsult Telematics
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February 1999 to February 2001

P.O. Box 2026, Riyadh 11451 
Kingdom of Saudi Arabia 
 
• Engaged in a consultancy role to Saudi Telecom Company (STC), for supervising the implementation of public network expansion with more than a thousand cell sites kingdom wide by Lucent Technologies K.S.A., (TEP 6/GSM) 500K lines and by Ericsson (GSME4) 1 million lines. 
• Supervised the installation test, integration test and change-out of Lucent's BTS 2000 to Ericsson's RBS 2202. Using BSC Simulator II revision 12 and TEMS. 
•Monitored installation of BTS 2000 (900Mhz and 1800 Mhz) Lucent GSM equipment, microwave (MW) transmission equipment (Harris, P-COM, NERA), and Wireless Local Loop (WLL) Airloop and ensured that standard installation practices and procedures are being met. 
•Produced reports detailing work activity, quantity, quality, and installation progress at the site responsibility facilitated by relevant documentation. 
•Preformed Preliminary Acceptance Test (PAT) of microwave transmission equipment, Wireless Local Loop equipment, and BSS equipments, including RF drive test, making sure that technical specifications agreed upon are applied. 
•Involve with RF drive test of GSM dual band (900 Mhz/1800Mhz) for the preliminary acceptance test using TEMS and RSAT2000 for collecting data and post data processing using CMA for presentation. And ensure coverage and qualities are met base on the prediction plot, and then analyze RF drive test data to determine the parameter modifications that will be required.

Network Engineer

EXTELCOM
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February 1998 to February 1999

Express Telecommunications Company, Inc. 
12th floor, Octagon Bldg., San Miguel Ave., 
Pasig City, Philippines 1600 
 
• Responsible for cell sites audit and minimized the percentage of drop call and interference, and conducted drive test survey using LCC MSAT, RSAT 2000 and Comarco drive test equipments for AMPS technology. 
• Responsible for cell site power adjustment and implemented antenna down-tilt and orientation base on computed values resulting from up-link and downlink signal measurements. 
• Helped in acceptance tests on newly installed sites based on recognized industry and equipment vendor-supplied standards and Network Engineering plans. 
• Gathered and compiled documentation of new and old cell sites for Network Operations. 
• Responsible for cell site trouble shooting and re-tuning using Wavetek SI 4032 STABILOCK.

Installation Engineer

EXTELCOM
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January 1997 to February 1998

Express Telecommunications Company, Inc. 
172 C. Raymundo Avenue, Maybunga, 
Pasig City, Philippines 1600 
 
• Responsible for the installation of Motorola DYNA T.A.C. 10 Channels HDII / NAMPS, LD / AMPS Cell Site equipment 
• Supervised contractors in the installation of 20 channels HDII / NAMPS LPA for monitoring the project of the company. 
• Installed Harris Farinon Quadralink digital microwave radio and California Microwave's 7GHz and 15GHz radios. 
• Conduct site survey for actual site conditions and verification of viable transmission solution using survey instruments such as binoculars, compass, digital camera, maps and GPS (Global Positioning System). 
• Conduct transmission path calculations to verify Line-of-Sight and to determine the optimum antenna heights, beam directions and sizes. 
• Perform Radio Frequency Interference Measurement for effective frequency plan.

Network Engineer

Liberty Telecoms, Inc
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February 1996 to January 1997

2298 Technology Center Bldg., Pasong Tamo Ext., 
Makati City, Metro Manila, Philippines. 
 
• Responsible for the installation, commissioning, preventive and corrective maintenance of trunk radio system for Libertyphone, Versaphone, Businesscom and Trunknet Radio Base Station (RBS).

Service Technician

Veteran's Electronics Communications, Inc
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Manila
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August 1991 to February 1993

Vetronix Bldg., 1201 Fort Bonifacio, 
Metro Manila, Philippines 
 
• Responsible for the installation, repairs, service and maintenance of VHF, UHF, and HF/SSB for Military and Commercial Radio Transceivers.

Education

Technological University of the Philippines -
Manila, AR

Skills

• MS Office (Word, Excel, PowerPoint, Access)