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Engineer Design

Location:
United States
Posted:
July 13, 2012

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Resume:

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



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