Roy Luo
1-647-***-**** (cell), ***********@*****.**
OBJECTIVE: RF Engineer
HIGHLIGHTS OF QUALIFICATIONS
• A Master’s degree in Electrical Engineering (graduated from University of Ottawa);
• 8+ years of experience in RF network design and optimization, cell planning, frequency planning, capacity planning, radio propagation model tuning with CDMA1x, EVDO, UMTS, HSPA, HSPA+, LTE, and GSM networks (worked for Huawei, Rogers, and Bell(now));
• Demonstrated experience in field surveys, initial site tuning, traffic analysis, dive testing, and post processing and analysis of drive data, analyzing and improving KPIs;
• Solid working knowledge of GSM, CDMA1X, EVDO, UMTS, HSPA, HSPA+, WiMAX, LTE, RF propagation, link budget, frequency spectrum & resource planning of the network;
• Abundant telecom network design /engineering / optimization experience in radio/wireless, IP, VoIP, NGN, transport (Fiber/m/w), Broadband, and PSTN;
• Proven experience with sound understanding of RAN, RF communications, RF engineering technology /design principles, and propagation modeling and prediction;
• Demonstrated RF design and optimization experience with LTE/HSPA+/CDMA /EVDO /GSM coverage /capacity /events /optimization projects;
• Proficient in coverage prediction and mapping tools (Planet, MapInfo, MS Streets and Trips);
• Familiar with optimization tools (Actix Radioplan /Analyzer/Spotlight, WindCatcher, TEMS, Huawei M2000, Nortel BSSM/CACP, Bell WebOM, etc);
• Proven experience in optimizing KPI’s, CQI, RRC, RAB, RSCP, Ec/Io, HO, Interference, call drops, AF, congestion, throughput to improve sites/area/network performance;
• Solid experience in RNC, NodeB/eNodeB, RRUs, antennas performance & optimization;
• Abundant experience in managing MCA, new search area site selection, tower type/elevation plan, rooftop sites design, antennas selection and wireless Marco/in-building RF design, etc.
• Familiar with RF performance & optimization parameters, counter, and RAN equipment;
• Sound experience in CS/PS, IP transport, VoIP, and VPN (have CCNA/CCNP certification);
• Proficient computer skills and office software: Word, Excel, PowerPoint, Access, Visio, etc.
• Excellent interpersonal, written and verbal communication skills;
WORK EXPERIENCE
RF Specialist - RF Network Design & Performance Feb 2011 – Present
Bell Mobility (GTA - Oshawa-Whitby cluster and Pickering-Ajax cluster)
• Identify and evaluate areas of the network not meeting performance criteria;
• Manage capacity growth, coverage, design new sites to improve customer experience;
• RF/Radio network design, new search area sites design, propagation modeling & prediction, RF tuning & optimization using Planet, Mapinfo, ACP, Actix;
• Cell planning, frequency planning, capacity planning, radio propagation model tuning;
• Select and design appropriate antenna configurations for new sites and optimization projects (antenna type, elevation, orientation, and tilts);
• Improve/optimize sites/network quality and performance using Huawei M2000, counter, WebOM, Actix, Windcatcher, and other tools ;
• Conduct RF optimization, carriers add, improve RRC/RAB, call drops /AF /congestion /HO, RTWP/ Ec/Io /interference, capacity/coverage issue, CQI, KPI;
• Initial site tuning, traffic analysis, and KPIs analysis;
• Performed NL/Power/Parameter (camping, HO, DRD, License, etc) optimization;
• Processed LTE/HSPA+/CDMA /EVDO capacity /coverage /optimization projects;
• Configure RF Spec, datafill, NL, and integrate new sites into current network;
• Post process and analyze/optimized collected mobile drive data (Windcatcher, Actix Analyzer/Spotlight, Radio Plan, MapInfo);
• Produce and present required project elevation and cluster plan;
RF Engineer
Rogers Feb 2010 – Jan 2011
• Maximize coverage, capacity, and traffic/throughput of HSPA+/GSM network using planning/optimization tools (Planet, xCAP, ACP, etc);
• Measure new service performance and RF camping/HO parameter optimization;
• Roll-out of new UMTS/HSDPA network, and monitor radio access network KPI;
• Network optimization with minimize cost using automatic frequency planners
• Cell planning, frequency / capacity planning, radio propagation model tuning;
• Conduct drive test and data collection using TEMS/Microsoft Streets and Trips;
• Analyze drive test logs and root cause using TEMS, Windcatcher, ACTIX Spotlight and ACTIX Analyzer, and troubleshoot CS/PS access failure and dropped calls issues;
• Identify and optimize footprint issues, RSCP, Ec/Io, overshooting, AZ and DT issues, interference, call drops, and access failure, handover issue, and NL;
• Identified coverage hole and drop call locations for RF optimization process;
• Conduct traffic/population/demographics analysis for generating traffic models;
• Analyze the auto generated KPI report (TEMS log files into Actix), including CS/PS drop rate, CS/PS access failure, & application/MAC throughput;
RF Engineer Sep 2009 – Jan 2010
Huawei Technologies Canada Inc.
Bell /Telus UMTS/HSPA project technical support
• Configured, tested, and maintained HSPA RNC and NodeB at Bell Mobility NOCC;
• Acceptance/market drive tests using Agilent and other test software / tools;
• Data collection and analysis (CFGMML, Performance data, CHR, Alarm, etc.);
• OCNS & NL operation, conducted scripts, and traced UE/CDT/IOS/RTWP;
• RF network performance optimization (call drops, AF, RRC/RAB/HO/issues);
• Cell planning, frequency planning, capacity planning, field surveys, initial site tuning, traffic/drive data/KPI analysis;
Network Service Engineer Sep 2006 – Sep 2007
Primus Telecommunications Canada Inc.
• Designed, installed, and configured IP/VPN networks at Toronto Internet Data Center;
• Network maintenance and troubleshooting (Routers, Switches, Firewalls, Servers, etc.)
Senior Network Engineer July 1997 – Mar 2006
Huawei Technologies Co., Ltd.
• RF network design and optimization
• RF/Radio network design, tuning and optimization for over 20 wireless operators;
• Radio propagation modeling & prediction, tuning, frequency optimization;
• Analyzed and optimized daily KPI’s (wireless Marco/in-building area/sites, dropped calls, AF, RRC/RAB, congestion, throughput, handover, signal strength, power changes, antenna azimuth/tilts/gains, Ec/Io, etc.);
• Post processing of UMTS, HSPA, CDMA, EVDO, GSM network drive data;
• Performed RF traffic balancing, and RF capacity/frequency planning;
• Neighbor list/ Parameter optimization, power control;
• Analyzed and optimized pilot pollution, interference, and handover issue;
• Improved/optimized coverage, capacity, throughput, network/sites performance;
• Performed cell site planning including site survey, users, traffic, revenue, antennas, cell configurations during initial market rollout;
• Conducted cell /frequency /capacity planning, radio propagation model tuning, initial site tuning, traffic / drive data and KPIs analysis;
• Detailed call sequence analysis, benchmarking and call statistics analysis;
• Troubleshoot call setup failures, call drops, and handover failures (RRC/RAB);
• Analyze drive test for HSPA radio bearer setup, throughput, active set update, HARQ process and FTP upload trace;
• Designed, deployed, and optimized various telecommunication networks, including:
• Wireless networks (GSM, CDMA1X, EVDO, UMTS, HSPA, WiMax);
• VoIP, Broadband, PSTN, IP/Transport networks (fiber, m/w);
• Provided technical proposal and support for international telecom operators;
COMPUTER and TOOL APPLICATION SKILLS
• Planet EV v5.2, Atoll v2.6, GeoPlan v5.0, MapInfo 10.0, iBwave, EMF Visual;
• Actix RadioPlan, ACP, XCAP, Actix analyzer/ Spotlight, TEMS Cell Planner;
• Windcatcher, TEMS investigation, MS Streets and Trips, Agilent6474, Nemo;
• Huawei M2000, Nortel BSSM/CACP, Ericsson OSS-RC, NetAct, Bell WebOM;
• HTML, Word, Excel, PowerPoint, Access, Visio, Outlook;
EDUCATION
• M.A.Sc in Electrical Engineering Sep 2007 - June 2009
University of Ottawa
REFERENCES
Available upon request