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Ousainou Demba Resume_6142016
- 1. Ousainou Demba, MBA odemba@hotmail.com 919-798-1007 https://www.linkedin.com/in/ousainou-demba Page1 PROFESSIONAL SUMMARY Senior RF Engineer experienced with both design and optimization. Over Fifteen years’ experience in engineering, design cellular network for AMPS, TDMA and CDMA for both CDMA 850 and PCs 1900; includes 5 years’ experience in LTE, GSM and UMTS optimization. PROFESSIONAL EXPERIENCE CONSULTING ASSIGNMENTS RF Design & Optimization ( RF Deployment) T-Mobile, Beltsville Maryland January 11th, 2016 – Present • Cell Site Design visit for L1900 Overlay (Capacity Sites) • Create Design Visit Site package to use for CD review • Design review for LTE & UMTS using ASSET & ActiveOne • Complete EME study for GSM, UMTS, and LTE sites • Use ASSET to create coverage prediction for Work Orders • Update the site database using SPOT tool • Create Neighbors with New Neighbor Generation Tool for PSC & PCI request • Review RFDS • Build RFDS to the online RFDS Tool • Create CIQ for the LTE modernization project • Verify all the Golden parameters for the new site deployment • Conduct Pre-Lunch drive test for the new site deployment • Optimize the existing sites with the deployment of the new site ERICSSON, PLANO TX 2010 - 2015 Sprint LTE 2ND Carrier Deployment : July 2015 – November 2015 • RF Troubleshooting & Optimization team lead • Optimization and Troubleshooting for Sprint ( Missouri, East Texas, Kansas, Kentucky Markets) • Review and audit parameters for the 2nd carrier sites • Run ENIQ & RF Synch tools to generate performance report for the KPIs • Troubleshoot sites that does not meet the pre-deployment KPIs • Run OSS commands to verify key parameter settings, alarms, etc
- 2. • Generate NoHarm report and submit to customer Sprint Multi-Band optimization : November 2014 – July 2015 • Post launch Activity for Sprint ( Missouri, Markets) • Managed optimization team (12 Engineers and 3 drive teams) and served as interface between Ericsson (RNAM) and the Sprint local RF team • Manage/ Coach 12 engineers (4 contractors, 5 GSC, and 3 OEM) with 6 drive testers • Evaluated every engineer and assigned them with task of their strength ( LTE, CDMA, EVDO, NSN, Reporting, Windcatcher analysis, ENIQ, Cockpit etc) • Schedule the drive testers for the clusters drive (30 clusters) • Trained the GSC engineers to get them up to speed for LTE optimization (Most of them have only CDMA background) • Bridge the team with local Sprint RF team including the RF manager • Communicated every proposed network changes to the Sprint local RF team for both approval and non -approval request/task • Work/support with the Solution Architect to implement all the parameter trails and generate performance report • Schedule weekly meetings with local RF team to provide updates for all our optimization activities Ousainou Demba Page 2 Ericsson, Plano TX January 2013 to November 2014 LTE Lead RF Engineer for (LTE Tuning & Post Launch Optimization for Sprint Network Vision Project Dallas Market) • Reviewed final RF design and the initial data fill for any discrepancies • Performed parameter audits using Bulk CM export from ERTT • Set-up tuning KPIs with reference to design KPIs • Created exclusion zones with the customer approval • Prepared drive routes for cluster drives, co-ordinated and supervised Drive Test Engineers for effective cluster drive to meet customer expectations • Verified MTU settings of laptop and backhaul for the testing • Performed site shakedown using TEMs Investigation and DRT scanner • Collected drive data to verify handover between sectors • Analyzed drive test data using TEMS discovery to verify Throughput (DL, UL, connections Setup time and Handover success) • Reviewed daily eUtran alarm reports, evaluated site performance using ENIQ, and troubleshot degrading site performance using OSS Amos commands
- 3. • Troubleshot accessibility,retainability and handover related issues • Performed cluster tuning by ensuring areas of poor RSRP, RSRQ,CINR, and throughputs are optimized • Troubleshot VSWR,PCI Collision, Interference issues Sprint NASCAR 2013 Lead the LTE deployment and Performance Optimization for the Sprint NASCAR Cows providing coverage for the events. Ericsson, Plano TX June 2011 to January 2012 RAN Engineering (LTE Tuning) • Reviewing final RF design and the initial data fill for any discrepancies • Set-up tuning KPIs with reference to design KPIs • Created exclusion zones with the customer approval • Created drive route for cluster drive • Verified MTU settings of laptop and backhaul for the testing • Performed site shakedown using TEMs Investigation and DRT scanner • Analyzed drive test data using TEMS discovery and Windcatcher to verify Throughput (DL, UL, and Handover success) Ousainou Demba Page 3 Ericsson, Plano TX October 2010 _ May 2011 RAN Engineering (LTE Design) • Reviewed Atoll parameter settings using Ericsson Link Curve and Atoll standard • Used ATOLL to run Simulation for Baseline project • Created ACP from the Baseline ATOLL project • Ran ACP for initial KPIs of the Baseline Project • Ran RSRP analysis to review the project/market coverage overview • Selected antenna type, Down-Tilt, Azimuth, and Rad Center to meet the required KPIs • Ran Simulation for RSRQ and SINR • Optimized and designed to meet the require KPIs • Created PICD for final project presentation/review CONSULTING ASSIGNMENTS LCC Consultant for Huawei Chantilly, VA September 13th – October 22nd, 2010 • Performing ATOLL Model Tuning for Nextel International in Mexico. • Verifying CW drive test data and convert it to UTM Zones
- 4. • Import CWdrive test data into Atoll • Filter the clutter using filtering assistant in Atoll • Calibrate the K value within the Forsk Atoll recommended ranges LCC Consultant for AT&T Wireless, Pittsburgh, PA June 16th – August 9th , 2010 • Sr. RF Engineer Work on CGSA project filing for FCC license • Extensive use of ATOLL & 850 Engineering Data Reporting Toolkit • Verifying the contours of the existing license and the new extension agreement using Atoll • Create coverage plots for Extension Agreement using Atoll • Identify all the down-tilt of the sectors included on the Extension Agreement. • Create FCC Contours for the New CGSA using ATOLL ZTE, Kansas, KS May 10th – June 14th , 2010 RF Design Engineer • Responsible for Sprint CDMA RFP design for Raleigh/Durham using Planet EV • Create Rapid Planning, Traffic map, and Monte Carlo for the RFP AT&T GSM and UMTS Network (Contractor), Hanover, MD Feb 2009 – May 7th 2010 RF Performance Engineer • Responsible for the GSM and UMTS network in Washington and Baltimore areas • Resolved customer complaint , regarding drops, no service, or slow connectivity • Involve collecting drive test data using Tems • Processed and Analyzed data in Actix Ousainou Demba Page 4 • Monitored site in OSS for traffic, drop, and T1 issue using AT&T MML tool • Create Trident for future sites using ATOLL, Trident Tool, and Topo Map • Perform 911 test during switch upgrade and new site integration • Conduct training for newly hired drive testers CRICKET COMMUNICATIONS 20017 - 2009 CRICKET COMMUNICATIONS, CDMA EVDO & Voice Network Raleigh, NC Apr 2007 – Jan 2009 RF Design & Performance Engineer • Managed, and support general contractors for the Raleigh and Burlington Networks build • Attend antenna and line sweeps to verify proper connection • Involve in the 2007 Cricket Raleigh market launch • Conduct network baseline drive test and analyze the data for network optimization using Windcatcher • Analyze daily network Statistic using Schema mentor tool • Performance RF optimization analysis and change of parameter (MCTA, Handoff, PTO(power)) base on drive test and site stats reports • Provide daily and weekly report to management of the network performance
- 5. • Resolve customercomplaint, regarding drops, no service, or site issue • Developed PN offset plan for Raleigh market • Daily update Siterra database with cell site information • Monitor daily network statistics for dropped calls, ineffective attempts, fail hand down, and hard handoff • Attend weekly meeting with regional manager • Provide quarterly marketing maps to Sales & Marketing team US Cellular 2000 – 2007 RF Design Engineer • Involve in site design using Planet EV propagation tool • Performed candidate analysis, site selection, field site visit, inspected construction drawings • Calculated link budget for power balance • Designing and optimizing new and existing cell sites in Washington and Oregon markets • Projects include capacity forecasting, carrier deployment, capital budgeting, managing the construction of new cell sites • Design and optimization of CDMA repeater sites in coverage hole areas • Performed neighbor list tuning array (NLTA) using CSVS logs • Drive test analysis, propagation modeling, and site candidate Selection • Performed CDMA RF optimization in rural and suburban morphologies • Performed propagation model tuning for different morphologies Ousainou Demba Page 5 • Performed capacity planning exercise to ensure effective resource allocation • Performed FAA aeronautical obstruction clearance, FCC AM interference analysis and RF emissions health and safety analysis • Developed frequency plan and PN offset for WA4 RSA • Designed and Optimized CDMA overlay of Idaho 5 and 6 RSA TDMA and AMPS networks • Led USCC NW engineering team for E-911 implementation process EDUCATION Master’s in Business Administration (MBA), emphasis in General management, City University, Bellevue WA Bachelor of Science in Electrical Engineering, emphasis in Wireless Communication, Washington State University, Pullman WA TRAINING/CERTIFICATION:
- 6. • PMI PMPCertification on going ( Project Certification 1/2016) • Ericsson Customer Project Management Certification (CPM) • Ericsson VOLTE Technology Certification • Ericsson LTE Technology Certification • Ericsson IP Technology Certification • Ericsson LTE L11B Performance Management, Tuning and Optimization • Ericsson LTE L11B Configuration and Functionality • Windcatcher Plus • Nortel CDMA Capacity & Traffic Engineering Course 1204 • Nortel CDMA Handoff Principles Course 1203 • Nortel CDMA design & optimization Course 1202 • Nortel CDMA Technology & IS-95 technology Course 1201 • Agilent CDMA Planning & Design Issues • Agilent Drive test gear • ZK Sam drive test gear • Mentum Planet EV propagation model design tool • Map Info, Unix, Exel, Microsoft Project • Actix – Drive test data analysis tool • Exceed - Windcatcher drive test analysis tool • Nokia UMTS technology • Ericsson – TEMs DriveTester CDMA V1.1 • US Cellular – Ethical Awareness and Decision • Fred Pryor Seminars – How to deal with negativity in the workplace • Fred Pryor Seminars – How to Handle People With Tact and Skill • Fred Pryor Seminars – How to Be a Better Communicator • Sitesafe – RF Hazard Awareness & Safety Training
- 7. • PMI PMPCertification on going ( Project Certification 1/2016) • Ericsson Customer Project Management Certification (CPM) • Ericsson VOLTE Technology Certification • Ericsson LTE Technology Certification • Ericsson IP Technology Certification • Ericsson LTE L11B Performance Management, Tuning and Optimization • Ericsson LTE L11B Configuration and Functionality • Windcatcher Plus • Nortel CDMA Capacity & Traffic Engineering Course 1204 • Nortel CDMA Handoff Principles Course 1203 • Nortel CDMA design & optimization Course 1202 • Nortel CDMA Technology & IS-95 technology Course 1201 • Agilent CDMA Planning & Design Issues • Agilent Drive test gear • ZK Sam drive test gear • Mentum Planet EV propagation model design tool • Map Info, Unix, Exel, Microsoft Project • Actix – Drive test data analysis tool • Exceed - Windcatcher drive test analysis tool • Nokia UMTS technology • Ericsson – TEMs DriveTester CDMA V1.1 • US Cellular – Ethical Awareness and Decision • Fred Pryor Seminars – How to deal with negativity in the workplace • Fred Pryor Seminars – How to Handle People With Tact and Skill • Fred Pryor Seminars – How to Be a Better Communicator • Sitesafe – RF Hazard Awareness & Safety Training