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Trac Le's RF engineer

Resume Keywords: RF design, optimize, GSM network, CDMA, UMTS, Wizard, EDX signal pro, TEMS, Nokia's NetAct(Totems), MapInfo

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SUMMARY

Telecommunication engineer with 9 years of experience working in the wireless industry.
Excellent working knowledge of GSM, good understanding of CDMA, UMTS technology.
Proficient in the RF Planning softwares (NetAct Planner, EDX Signal Pro, dBPlanner, Wizard) and mapping tool (MapInfo). Experienced with Field measurement tools (TOM, TEMS, Spectrum Tracker, FIT). Proficient in RF analyzing tools (SAM).
One year working in Nokias NOC center, supporting field engineers.
Experience in wireless network design, optimization.
Networking knowledge - CCNA Cisco Certificated Network Associate (6/2013)
Good understanding of networking concept, theory, TCP/IP, LAN/WAN, Ethernet, Routers, Switches, WLAN, STP, VLAN, DHP, DNS, routing protocols RIP, EIGRP, OSPF.

EDUCATION

B.S. Electrical Engineering, University of Texas at Dallas, May 1999 (3.42/4.0)

PROFESSIONAL EXPERIENCE

March 2003 February 2009

Self Employed - Texas
Independent contractor RF engineer

Candidate sites selection and evaluation for coverage holes and capacity enhancement
Use propagation software to run prediction for sites
Print-out coverage plots and submit to supervisor for acceptance
Site Audit Survey for T-Mobile GSM network
Used Nokias Network Data Warehouse (NDW) and Network doctor reports to collect data, monitor, troubleshoot and analyze problems for site re-home, new sites integration (Logged in to remote sites and collected data using UNIX)
Identified the 10 worse performance sites after re-home or new site integration, using MML commands and reports to monitor and troubleshoot these sites
Assigned A-bis mapping, T1 circuit and default parameter values for new sites integration or site re-home
Assisted Nextel engineers optimizing the network
Cleaned up neighbor lists and changed power setting parameters
Created datafills for complex and simple upgrade expansion
Implemented EDGE parameters for upgrade

January 2001 March 2003

Flextronics Network Services Inc. (Telcom Global Solutions), Irving TX
RF Engineer

AT&T/Nokia projects participated in Los Angeles, Seattle, Irving (Nokias Headquarter), West Palm Beach, Portland

In charged of 3 BSCs in AT&T Los Angeles market.
Worked closely with clients and Nokias engineers, analyzed and recommended changes to wireless networks based on drive test data, network doctor reports.
Ensured the steady improvement of all three BSCs according to KPI requirements.
Performed drive test, cell site acceptance in the re-homing efforts of AWS network in Seattle and Spokane.
Performed testing and evaluating GPRS parameters with Nokia Engineers.
Worked in Nokias NOC, supporting the optimization efforts of all Nokias markets in the USA.
Used MML commands and GUI to lock, unlock sites, add and delete neighbors, changed power setting, set default parameters
Used TOM and SAM software, collected and analyzed drive test data for the pre-launch optimization of more than 300 sites in West Palm Beach, Florida.
Performed drive test for re-homing of more than 200 sites for Sprint PCS network in Houston, TX using HP software.
Performed site selection and evaluation process for overlaying a GSM network using Nokia equipments on the existing IS-136 operational system.
Performed CW tests and propagation model tuning.

October 1999 January 2001

Wireless Facilities Inc, San Diego CA
RF Engineer

AT&T Angel Project
Over 100 cell cites involved in this project, covering the Dallas/Ft. Worth Metroplex
Tested and trouble-shooted network performance by collecting data and comparing against set parameters using PAMS (Performance Analysis Management System) software and FIT (Fix Installation Tools).

Sprint MMDS Fixed Wireless Network
Performed RF coverage design of 2-way broadband systems for U.S. markets.
Performed traffic analysis capacity projection, traffic loading, and traffic raster generation for super P cell/cellular design.
Used EDX Signal Pro to analyze RF design, sectorization, RF survey, traffic/RF optimization
Performed Interference Analysis RS grid generation, power flux density analysis, BTA analysis, co-channel and adjacent-channel interference, noise floor study, region and class analysis, worst case RS generation, BTA-RSA-PSA interference analysis


OTHER INFORMATION
U.S. Citizen

Employer: Flextronics Network Services (Telcom Global Solutions)
Job Title: RF Engineer
Start Month/Year: 01/2001
End Month/Year: 03/2003
City: Irving
Country: USA
Description: Not Specified
Employer: Self Employed
Job Title: RF engineer - Contractor
Start Month/Year: 03/2003
End Month/Year: 02/2009
City: The Colony
Country: USA
Description: Candidate sites selection and evaluation for coverage holes and capacity enhancement
•Use propagation software to run prediction for sites
•Print-out coverage plots and submit to supervisor for acceptance
•Site Audit Survey for T-Mobile GSM network
•Used Nokia’s Network Data Warehouse (NDW) and Network doctor reports to collect data, monitor, troubleshoot and analyze problems for site re-home, new sites integration (Logged in to remote sites and collected data using UNIX)
Employer: Wireless Facilities Inc.
Job Title: RF Engineer
Start Month/Year: 10/1999
End Month/Year: 01/2001
City: San Diego
Country: USA
Description: Not Specified
 
Education Level: Bachelor's Degree
School Name: University of Texas at Dallas
Major: Electrical Engineering
City: Richardson
Country: USA
Graduation Date: 22/05/1999
Description: GPA:3.42/4.0
 
Education Level: Certificate
School Name: Cisco Systems
Major: CCNA
City: Not Specified
Country: USA
Graduation Date: Not Specified
Description: Cisco Certified Network Associate (expired 6/2013)

Languages

English Fluent
Job Category: 3g/GSM/WCDMA/HSDPA/UMTS Job
Job Type: Any Job Type
Job Status: Flexible
Desired Salary: $0 Unspecified
Desired Location: Not Specified
Willing to Relocate: Yes