___________________________________________________________________________

JOHN LANG

raqwireless@yahoo.com

(682) 552-3704

___________________________________________________________________________

            

Work Experience

 

Summary

A rock solid, independent, and energetic RF Engineer with 16 years of experience in Wireless Communication, working in design, and optimization seeking an opportunity in a challenging high performance network.

 

Skills

Actix, Planet EV and Mentum, Tom/ Sam drive test, Agilent, TEMs, Airspace and TERP software, Mapinfo, GPRS, CDMA, EVDO, GSM, UMTS, LTE, Grayson, Odyssey, Capesso, Link Budget, MS Excel, FAA and FCC Compliance, Cockpit(Ericsson), Ericsson OSS, Falcon(Sprint), Glance(Sprint), Reveal(Sprint), Tableau(Sprint), Xynergy, Windcatcher, and Siterra

JMA IT/Sprint                                                                        April 2013 – March 2015

Sprint National RF Engineer III Optimization Consutant Lead

·               Oversee and monitor Ericsson optimization team

·               Utilizing and training other on Siterra for uploading and bulk uploaded

·               Lead and mentor other consultant on optimization.

·               Prepared weekly optimization reports for national Sprint Management

·               Performed parameters, neighbors, and antenna tilts  audit

·               Knowledge useage of Cockpit(Ericsson), Ericsson OSS, Falcon(Sprint), Glance(Sprint), Falcon(Sprint), Reveal(Sprint), and Tableau(Sprint)

·               Producing weekly migration maps using Memtum Planet Mapinfo to performed task

·               Monitors alarm and issue after migration that place

·               Worked with Ericsson engineer during rehome.

·               Working Sprint Local RF Engineer troubleshoot and resolved  optimization issue

·               Analysized drive data and make optimization recommendation.

·               Point of contact and tracking 3G 1900 Voice, EEGS, 800 Voice, 4G LTE, 800 LTE, and 2.5 MHz LTE for cluster acceptance and site ATP

·               Train new Sprint Engineers with Xynergy cluster acceptance and site Acceptance Test Plan

·               Excellent knowledge of Xynergy and troubleshooting issue and give feedback to Sprint Local RF

·               Cluster Acceptance point of contact for Ericsson, NSN, Xynergy, and Sprint Local RF

·               Preparing process document for HD Voice

·               Troubleshooting low DL and UL throughput issue for LTE

·               Reviewed naming convention for Xynergy upload

·               Preparing weekly migration update reports for 4 technology using mapinfo to create maps

·               Prepared parameter testing for Sprint National recommendation

·               Knowledge used of JDSU drive test equipment for data collection

·               Working on Special Event optimization

·               Optimizing balance load between different technology

·               Monitored and optimized LTE performances

·               Track high capacity T1 useage for EVDO, 1XRTT, and LTE

 

Amirit Technologies/Huawei/Cricket Communications, Inc.                       July 2011 – October 2011

EVDO Optimization Engineer, Multiples South Texas Market

·               Analyzed EVDO drop call and call failure by using Actix

·               Post processing, prepared reports, and made recommendation network improvement

·               Assist other other consultant on SSV, Air card, and E911 testing when there is a shortest of resources

·               Assist with Pre and Post drive optimization

·               Trouble shoot Call Drop, Call Failure, and swap sector.

·               Trouble shoot and optimized hand over failure and poor coverage issue.

·               Mentored and assisted other engineers on EVDO optimization.

 

Ericsson                                                                 February 2011 – March 2011

LTE RF Design Engineer, Plano/Texas

·               Responsible for optimizing 3G voice for 1900 and 850 on Sprint Networks.

·               Running Monte Carlo simulation based for both 1st and 2nd baseline RF design, including Scrubbing and selecting sites

·               Performed link budget analysis, understand and utilize design criteria including coverage and traffic analysis

·               Defined the minimum Ec level that will be used for creating market optimization area and statistics

·               Knowledge in using Capesso to optimized design and LTE overlay so that statistics can be run on the same area

·               Optimized EC at the same time improved EC/Io using Capesso

·               Optimized azimuth, tilt, and antenna changes

 

NSN (Nokia Siemen Network)       September 2010 – December 2010

LTE RF Design Engineer, Irving/Texas

·               Responsible for supporting Southwest and Northwest markets (Los Angeles, Las Vegas, Phoenix, San Diego, Albuquerque, Seattle, and Denver) on design milestone deliverables on LTE design

·               Performed RF design, including Scrubbing and selecting sites

·               Performed link budget analysis, understand and utilize design criteria including coverage and traffic analysis

·               Performed site build verification and acceptance as well as technical site survey

·               Supporting Seattle, Las Vegas, and Denver on sitewalks

·               Performed and assist construction on roof top design

·               Performed model tuning using Planet Mentum

·               Performed model validation

·               Utilizing proper antenna for design

·               Very knowledge with Siterra

·               Performed validate CW drives for model tuning

·               Have excellent understanding of the LTE Design fundamentals

 

T-Mobile Communications, Inc.                                                                               August 2008-December 2008

UMTS Engineer, Frisco/Texas

·               Performed RF network optimization activities by analyzing drivetest data

·               Performed inter-modulation analysis

·               Was also responsible for other tasks include log data management, log data processing, cluster KPI reporting, market KPI reporting

·               Worked with post processing tools particularly Actix Analyzer.

·               Coordinated and corresponded with other markets to meet 3G launch’s date. 

 

Cricket Communications, Inc.                                   July 2005-May 2008

Manager/Senior Radio Frequency Design and Optimization, Houston and Corpus Christi/Texas

·               Generated preliminary RF designs for new sites and refine designs using full functionality of the PlanetEV propagation tool, including CDMA analysis, model tuning and drive test data

·               Linked Budget analysis, RF interference to meet coverage objectives and capacity requirements.

·               Splitting antenna using power divider for better enhanced the cover area

·               Cell Extended was also used to accomendates coverage

·               Knowledge in antenna selection for certain design area like suburban, urban, and rural. 

·               Ensured RF NEPA and FCC compliance

·               Performed FAA Airspace studies on proposed construction of antenna sites to assure compliance with FAA airport requirements. 

·               Identified AM broastcast interference of proposed antenna structure and proposed appropriate modification

·               Have knowledge with Structure MOD and wind load on tower.

·               Provided RF related Zoning and Planning Commissions testimonies

·               Diagnosed all RF related problems such as interference, call failures, Pilot pollution, poor coverage, and missing neighbours issue.

·               Present zoning plots for raw land build

·               Assist SA at zoning hearing for approval

·               Reviewing and redlining Zoning Drawing and Construction Drawing

·               Experienced with roof top design

·               Knowledge used of Siterra for design milestone data base

·               Knowledge of sweeping antenna coax lines with the using of Anristsu

·               Experienced with the usage of PAC-1 (Portable Antennas Control)

·               Analyzed drive data using Actix

·               Assisted with warehouse manager to track all built materials and coordinated with other warehouse managers at other locations to ensure to meet built’s goal.

·               Worked at communication sites/towers to validate dish/antenna alignment,and installation quality

·               Desgined and Optimized cell sites in a CDMA/EvDO wireless network with the goal of improving system performance.

 

AT &T (Wireless Facilities, Inc.

Network Planning Engineer, Cingular Los Angeles/California                     November 2004-June 2005

·               Prepared zoning plots using Marconi Planning Tool (Planet EV 4.0)

·               Performed C/I using Marconi Planning Tool (Planet EV 4.0)

·               Ensured RF NEPA, FCC, and FAA compliance

·               Provided RF related Zoning and Planning Commissions testimonies

·               Made difficult decisions relating to RF design to benefit company best interest

·               Diagnosed all RF related problems such as interference, call failures, poor coverage, and missing neighbours issue.

·               Experienced with roof top design

·               Reviewing and redlining Zoning Drawing and Construction Drawing

·               Excellent troubleshooter

·               Accessed Site Data Base

·               Performed recon for new candidates

·               Intergrated new on air site.

·               Performed cable sweep.

·               Performed on air verification drive test.

·               Diagnosed all RF related problems such as interference, call failures, HO failures, TCH/CCH congestion, bad coverage, and missing neighbours.

 

 

AT&T (Comnet Solutions)

RF Optimizaton Engineer, Seattle/Washington                      May 2004-September 2004

·               Fine tuned network by changing BSS parameters, antenna, tilt, azimuth, frequency,

etc to meet traffic capacity & coverage needs.

·               Performed Optimization on Seattle Market. 

·               Drive testing using TEMS Investigation and TEMS DeskCat for Analyzing data. 

·               Transferred knowledge of TEM, mapinfo, and Nokia NMS to other team members.

·               Knowledge of dual band 1900 overlay 850

·               Performed BSC dump for daily statistic and alarm reports by Nokia NMS and MML.

 

LCC

OSS (On Site Support) AT&T, Memphis/Tennessee                      February 2003-March 2003

·               Performed OSS (On Site Support) by deliverying knowledge off Nokia NMS to AT&T (AWS) Memphis Market.

·               Knowledge in Excel Drive Test tools

 

Nokia Networks, Inc.,

Network Planner/Optimization Engineer/Driver Test Coordinator in T-Mobile Seattle,

T-Mobile in South Texas, T-Mobile in Houston, T-Mobile in Phoenix,

T-Mobile in Des Moines, IA, AT&T Seattle, AT&T West Palm, Miami,Fl, AT&T New York,

AT&T Buffalo                January 1999-September 2002

·               In depth knowledge of the drive testing process network quarterly performance via field tests

·               Excellent knowledge in the measurement tools: TOM/SAM, TEM, EXCEL, and Grayson

·               Knowledge of the planning tools: NPSX and NetAct

·               Knowledge of the network optimization process and BSS parameters

·               Report Preparation of field test data using Nemo Technology Tools, Nokia NMS, MML, and MapInfo

·               Performed site verification, site surveys, and on-air trouble shooting

·               Knowledge of VoiceStream Markets in Seattle, Phoenix, Portland, and Des Moines

·               Performed drive testing and trouble shooting on VoiceStream-Seattle Project

·               Coordinated drive testing, new site verification, and drive reports for South Texas PCS

·               Performed competitive market benchmarking of GSM, CDMA, and D-AMPS Technology

·               Performed on site support to AWS market

·               Have done optimization in AWS market, Seattle, Spokane, Miami Florida, Buffalo, and New York

·               Performed planning and expansion support for Voicestream Houston Market

·               Have knowledge and experience of GPRS

·               Team lead in The Best Practices GSM and GPRS Parameter Testing in Chicago

·               Performed model tuning, Planning, and support in Jamaica

·               Performed optimization team lead in AT&T Buffalo market

·               Knowledge in data fill implementation

·               Delivery of training knowledge to other team members

·               Excellent knowledge in BTS commissioning, integration, and trouble shooting

·               Knowledge with indoor coverage optimization

 

Gieske & Dievent, Corp., Arlington, Virginia                  August 1998-November 1998

Association Field Engineer

Trouble shooting and repairing the currency processing machines

·               Equipment calibration

·               Operated the computer that operates the machine

·               Was responsible for repair and  maintenance

 

Advance Technology Corporation, Irving, Texas                                                      February 1998-August 1998

Field Service Engineer

·               Serviced on GPS Tracking System

·               System level repair

·               Installed and removed GPS Tracking Systems and system phones

·               Trouble shoot the tracking systems

 

 

Education

DeVry Institute of Technology

Associate of Applied Science in Electronics                                                 Irving, TX

Graduation in 1998

 

 

Training Courses

 

·               Extended Planning Course

·               NPS/X 3.2 Course

·               NetAct Course

·               RNW Management with Nokia NMS/2000 Course

·               Base Station Subsystem Parameters Course

·               Network Management for GSM/DCS Networks

·               Nokia Explains Course

·               Edge Training Course

·               GPRS Training Course

·               BTS Commissioning and Integration Course

·               Nokia Systra Course

·               Nokia MML Course

·               Actix

·               Planet EV and Mentum

·               Agilent

·               TEMs

·               Actix

·               Airspace and TERP software

·               Siterra

·               Grayson

·               Odyssey

·               Mapinfo

·               JDSU

·               Falcon

·               Glance

·               Reveal

·               Tableau

·               Xynergy

·               Windcatcher