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Resume Title:

wireless

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Work Experience

Experience level:

5-10 years

Profile/Cover Letter:

Gang (Roger) Luo
2638 Brookside Lane, Apt 1917, Schaumburg, IL, 60173 Tel: 630-306-3088
roger.luo2007@gmail.com

CAREER OBJECTIVES
To pursue a career in the telecommunication and wireless industry to work as a RF engineer or RF planning & optimization engineer, involving testing, system integration, performance management, network optimization of and technical support for mobile cellular and wireless networks, utilizing a strong background and sound professional experience.

PROFESSIONAL SKILLS
 13 years professional experience in the telecommunications and wireless industry with working knowledge of voice/data networking architectures, technologies, and telecommunication specifications.
 Expertise in 2G/2.5G, 3G/3GPP/3GPP2 mobile cellular systems with a strong system-level understanding of UMTS (WCDMA/HSDPA/HSUPA), CDMA2000 (1XRTT, EV-DO Rev 0/A/B/C), EDGE, IS-95 and GSM/GPRS standards, with extensive experience on 3G commercial trials for office launch.
 Proficient with analyzing RF performance drive data and making recommendations based on the processed data results. Working knowledge of Lucent-EVDO, and Ericsson/Motorola-GSM infrastructures in network design, optimization and performance testing.
 Substantial knowledge of wireless protocols (WiFi/WiMax/Bluetooth), networks (WLAN/WMAN/WPAN/iDEN/ Ad-Hoc networks) and upcoming UWB technology.
 Adept with radio network planning, design, dimensioning, driving testing, integration, capacity planning, cell coverage planning & prediction, frequency planning, optimization (frequency hopping and handover algorithm), link budge analysis, site survey and interference prediction using planning tools.
 Strong hands-on engineering experience in deployment, maintenance, performance testing, training and trouble-shooting of wireless systems with proven project management ability.
 Detailed knowledge and technical experience of layer2, 3 (MAC, TCP/IP) protocols used in routing, Ethernet switching, WAN environments and updating telecommunication technologies.
 Solid Knowledge of telecommunications interfaces such as T1, E1, OC-1/3/12/48/192, DS1 and DS3 with Proven skills in supervision, testing, operation and maintenance of SONET networks and equipment.
 Effective analytical and methodical troubleshooting skills corresponding to system test/integration, technical support, supervision and commissioning in wireless/optical networks deployment over a large (backbone, MAN and WAN) geographical area.
 Proficient skills in calibrating and operation various RF testing equipment such as signal generators, spectrum analyzers, network analyzers and digital oscilloscopes. Experience with Aglient LAB equipment (8960 series & 8924), Antritsu MT8802A and Willtek 4303, BumbleBee 2.0.
 Highly motivated individual with superior organizational, leadership and time management skills with demonstrated ability to work as an effective team member.
 A strong and capable communicator both verbally an in writing, with a positive, friendly manner and customer service approach to deal with challenging situations with empathy and sincerity.

TECHNICAL SKILLS
Network Topologies:
Wireless network: UMTS/WCDMA, CDMA2000, GSM/GPRS, WLAN, WMAN, WPAN and Ad-Hoc network.
Wired network: DWDM/ SONET network, Frame Relay, ATM, DSL, VoIP (H.323, SIP, G.703), SS7, ISDN, Point-to-Point, and switch Ethernet (10/100Mbps LAN).
Protocols:
Wireless protocols: WiFi/802.11x, WiMax/802.16, Bluetooth/802.15.1.
LAN/WAN protocols: TCP/IP, IPX/SPX, Appletalk, FTP, TFTP, RIPv1/v2, IS-IS, IGRP/EIGRP, EGP, MPLS, BGP-4
RF tool congnizance:
MapInfo 6.0 (GIS tool), Path loss 6.0, TEMS Investigator (Ericssons), Neptune 4.2(Aircom), Lucent LDAT, SPAT, Agilent Nitro E6474A, PlanetEV, Qualcomm QXDM (V2.8)/CAIT
Routers/Switches:
Cisco routers: Cisco 7000/7200/7500/7600, 2500/2600, 3600, GSR12000
Cisco switches: Cisco 1900,2500, catalyst 2900, 3500
Languages and Database Technologies:
Visual Basic, Java, C++, SQL 2000
Environments & Applications:
Windows XP/2000/98, Unix/Linux, MS Office XP/2000, MatLab 7.0,MS MAP POINT, Smart Drawing, MS Visio 2000

EDUCATION & CERTIFICATE
M. A. Sc, Electrical and Computer Engineering Sep 2004- June 2006
Ryerson University, Toronto, Canada
B. Eng, Computer Communications Sep 1990- July 1994
Nanjing University of Posts & Telecommunications, Nanjing, China
MSCE, MCDBA 2002-2003

TECHNICAL TRAINING
“ CDMA Capacity Planning & RF Performance Engineering ” (Motorola) Shanghai, China 2002
“ Cell Planning Principle and Radio Network Tuning” (Ericsson) Beijing, China 2002
“ Evolution from GSM to UMTS” (Siemens) Beijing, China 2003
“ UMTS/W-CDMA Infrastructure” (HUAWEI) Shenzheng, China 2003
“ Air Interface for CDMA 1 x EV-DO” (Lucent) Shanghai, China 2003
“ CDMA 1 x Network Design and Performance Analysis” (Qualcomm) Shenzheng, China 2004
“ 1 x EV-DO RF Optimization ” (Lucent) Shanghai, China 2004
“ZTE ZXC10 BSSB and PDSN P-200” (ZTE) Shenzheng, China 2008
“Motorola PTP 400/600 Microwave” (Motorola) Schaumburg IL, USA 2008

HONOURS AND AWARDS
Ryerson graduate scholarship (RGS) 2004-2005, 2005-2006

RELEVANT WORK EXPERIENCE

Network Support Engineer
Technical Support Service Sept 2007 – To Date
Aircell LLC (WWW.AIRCELL.COM), Itasca, IL USA

• Provide Tier III technical support for Aircell ATG (air-to-ground) EVDO Rev. A network and airborne broadband system (WiFi in-flight, www.gogoinflight.com).
• Engage in expert assistance in evaluating, diagnosing, isolating, and repairing network faults and issues. Support and conduct troubleshooting efforts to resolve issues as they occur.
• Lead and assist with network outage recovery efforts and develop resolutions to problems, where possible.
• Work with engineers and 3rd party vendors (ZTE, Broadhop, Cisco, Qualcomm) to arrive at permanent solutions to network and equipment issues.
• Document issues by creating and/or contributing technical content to case logs. Assist in the development of high-level (“triage”) troubleshooting procedures.
• Achieve and maintain specific customer satisfaction goals as defined by management. Conduct thorough operational readiness tests on all work performed on customer aircraft to confirm repairs.

Network Optimization Designer
Network Capacity Planning Department – Rogers Business Solution (RBS) Aug 2006 – Aug 2007
Rogers Communications Inc. (WWW.ROGERS.COM), Toronto, Canada
 Conduct planning with Rogers wireless and cable divisions to make the most efficient use of transmission resources, including capacity management, traffic planning, charactering and analyzing capacity utilization.
 Monitor transport capacity usage and provide input to engineering plans for network expansion/upgrades in timely manner to allow implementation to be within specification, on time and within budget.
 Engage in system design and network provisioning including analysis of switch interconnect circuits, tariffs, SONET Mux traffic routing, and DACS cross-connect assignment records, circuit mapping within various transmission equipment, such as Alcatel DACS, Lucent 5ESS switch, SONET/DWDM transport facilities, CISCO routers, Passport, New Bridge, etc.
 Proactively manage operational problems through to solution to ensure optimum utilization and performance of equipment and circuits.
 Serve as a contact point for the various Shaw business units, as well as outside carriers and customers.
 Create and maintain a capital budge for their area of responsibility.

Research Assistant
Department of Electrical and Computer Engineering Sep 2004- July 2006
Ryerson University, Toronto, Canada
 Focused on the design of algorithms and architectures for wireless communications, with special emphasis on radio resource management for WCDMA-based communication systems.
 Comprehensively investigated wireless channel characteristics, channel modeling and link adaptation for 3G mobile cellular networks with strong aptitude for research, data analysis and trend development.
 Intensive worked on the power control, rate scheduling, transmit diversity and MIMO techniques in UMTS WCDMA system.
 Got involved in performance analysis of wireless LAN, WMAN, wireless Ad-Hoc network, cross-layer design and OFDM system.
 Provided RF Designs, Business Plans and Deployment Plans for Wi-Fi Infrastructure to provide coverage & capacity.
 Drove testing for Wi-Fi, WiMax and modulated signal measurement; Performed propagation model tuning.

Primary Projects and Published Papers:
 G. Luo, L. Zhao, "Dynamic Rate Assignment and Power Control in Uplink UMTS W-CDMA Systems", Proc. IEEE Canadian Conference on Electrical and Computer Engineering (CCECE), May. 2006, Ottawa, Canada.
 G. Luo, L. Zhao, "A Novel Dynamic Stepsize Power Control Algorithm for UMTS W-CDMA Systems", Proc. IEEE 6th International Conference on ITS Telecommunications (ITST), June. 2006, Chengdu, China.
 G. Luo, L. Zhao, "Performance Evaluation of Combined Transmit-Receive Diversity Schemes in W-CDMA Downlink", Proc. IEEE 5th International Conference for Upcoming Engineers(ICUE), May. 2006, Waterloo, Canada.
 Missisauga City-wide WI-FI network planning and deployment project. (2005~2006)

Network Architecture Planner
3G Mobile network Planning Division, China Telecom (WWW.CHINATELECOM.COM.CN)
Shanghai, China Sep 2002 - July 2004
 Participated in China Telecom 3G mobile network planning (Schematics, implementation, logistics), performing planning schemes evaluation of different 3G standard (W-CDMA, CDMA 2000). Created China Telecom CDMA200/UMTS service business quotation models and workload models.
 Worked closely with Lucent core engineer team to design and launch the first CDMA2000 1XRTT/EV-DO data experiment network (commercial trial) in China Telecom, providing RF and wireless transmission design, planning and overseeing installation, construction and maintenance of wireless radio communications systems, including radio propagation modeling and prediction, microwave path analysis, interference analysis, frequency coordination, cell site equipment layout, parameter definition and ancillary equipment.
 Planned and plotted drive routes with assisted of Senior RF team leaders of Lucent, post-processed new site drive data and analyzed all data collected to validate system model.
 Carried out RF planning, optimization and performance analysis, possessed complete understanding of Lucent 1XRTT/ EV-DO RAN architecture, database parameters and radio network performance KPI’s. Tasks included coverage predictions, site location planning, site survey, site configuration, neighbor list planning, database planning, network performance monitoring and acceptance test.
 Provided technical training for internal staffs.

Primary Projects:
 China Telecom CDMA2000 1XRTT/EC-DO mobile network (commercial trials) (2003-2004)
This is the first 3G mobile network in China Telecom comprising 250 outdoor BSs, 100 indoors BSs and 3 MSCs. As a core team member, I worked with Lucent and ZTE (WWW.ZTE.COM.CN) team. My role mostly focused on RF planning and optimization.
RF Planning: site planning/survey, running the coverage prediction for the sites, interference analysis, frequency planning, site integration by doing drive test analysis, antenna type & location selection for the sites, In-building solution planning.
RF Optimization: Delivered network optimization recommendations based on drive test analysis to mitigate pilot pollution. Delivered recommendations for parameter tuning, neighbor configuration and antenna azimuths/down tilts. Post optimization and network launch, responsible for daily performance monitoring including monitoring and troubleshooting high drop call rate, established call failure rate, call block rate, etc., .

Network Engineer
Department of Optical Transport and Maintenance, China Telecom (WWW.CHINATELECOM.COM.CN)
Shanghai, China June 1998-Sep 2002
 Provided on-site field service maintenance, troubleshooting and technical support for the national / international backbone networks of China Telecom.
 Analyzed and correlated data from all monitoring sources to proactively identify issues and resolution for a better network and service performance.
 Responsible for the technical architecture of WAN supporting central office and client sites, including data circuits, transport facilities, switches, routers and any other related data networking devices.
 Administrated and implemented projects of China Telecom backbone voice/data networks, provided “hands-on” engineering support during the project implementation and produced plans for the rollout of systems.
 Interfaced with vendors on transmission network performance and technical issues, participated in the maintenance of relationships with a variety of data and telecommunication vendors (Nortel, Cisco, Siemens, IBM, Lucent, Alcatel, Fujitsu, etc.), ensuring quality services were provided in a cost-effective manner and agreed-upon service levels were met.
 Maintained and updated the Transmission Facilities Layout Book for the entire network including signal flow, synchronization timing, system capacities, node numbers, exchanges and circuit mileage.

Primary Projects:
 China-U.S optical cable network (1998-1999): As a team member, I was responsible for the project administration, implemented and system test.
 SEA-ME-WE3 optical cable network (1999): Responsible for the network verification/performance test and documented test reports.
 China Telecom 400G IP backbone network which spans across China and provides network access service to both large customers and tier 3 ISPs with the most updating technology of DWDM, IP over DWDM, VoIP and VPN.(2001-2002)

RF Engineer
Microwave & Mobile Communication Department, China Telecom (WWW.CHINATELECOM.COM.CN)
Shanghai, China July 1994-Jun 1998
 Engaged in installation, commissioning, troubleshooting, and acceptance testing of data circuits, microwave link and related microwave/GSM cellular network devices including MW/GSM antenna (900/1800MHz), Motorola/Ericsson BTS systems.
 Assisted with In-building coverage solutions to determine the RF needs of the potential customer.
 Carried out RF survey & planning, conducted drive test with the help of data collection and post processing tools to determine areas with quality issues for GSM network performance. Test equipment used was MapInfo, HP spectrum Analyzer and TEMS software.
 Provided cell parameters monitoring, tuning and benchmarking for radio network quality assurance and keeping KPIs under the threshold, such as RxPower, TxPower, Ec/Io, call drop, call setup success rate etc.
 Documented the test reports and conducted system performance analysis and network optimization.
 Participated in the projects including assessing and procuring planning databases, topography, morphology and demography; assessing link budge and design criteria. Reported to corporate management, summarized problems of the project and recommended technical improvements to ensure project success.
Gang (Roger) Luo

 Interfaced with the network solution vendors (Motorola, Ericsson, Siemens) in order to recommend the most economical solution to meet departmental and organizational objectives regarding cell optimization, network expansion, subscriber growth and usage patterns.

Primary Projects:
 Shanghai-Congming digital microwave SDH transmission network, using the solutions and facilities provided by Nortel. (1996-1997).
 China Telecom GSM network expansion project. (1997)
 China South Shore microwave SDH transmission project using Siemens microwave SDH transmission systems. (1997-1998)

REFERENCES: Available upon request


Most Recent Employer:	Aircell LLC
Job Title:	Network Support Engineer
Start Month/Year:	09/2007
End Month/Year:	Current
City:	Chicago
Country:	USA
Description:	• Provide Tier III technical support for Aircell ATG (air-to-ground) EVDO Rev. A network and airborne broadband system (WiFi in-flight, www.gogoinflight.com). • Engage in expert assistance in evaluating, diagnosing, isolating, and repairing network faults and issues. Support and conduct troubleshooting efforts to resolve issues as they occur. • Lead and assist with network outage recovery efforts and develop resolutions to problems, where possible. • Work with engineers and 3rd party vendors (ZTE, Broadhop, Cisco, Qualcomm) to arrive at permanent solutions to network and equipment issues. • Document issues by creating and/or contributing technical content to case logs. Assist in the development of high-level (“triage”) troubleshooting procedures. • Achieve and maintain specific customer satisfaction goals as defined by management. Conduct thorough operational readiness tests on all work performed on customer aircraft to confirm repairs.

Most Recent Employer:	Rogers Wireless
Job Title:	Network Optimization Designer
Start Month/Year:	08/2006
End Month/Year:	08/2007
City:	Toronto
Country:	Canada
Description:	 Conduct planning with Rogers wireless and cable divisions to make the most efficient use of transmission resources, including capacity management, traffic planning, charactering and analyzing capacity utilization.  Monitor transport capacity usage and provide input to engineering plans for network expansion/upgrades in timely manner to allow implementation to be within specification, on time and within budget.  Engage in system design and network provisioning including analysis of switch interconnect circuits, tariffs, SONET Mux traffic routing, and DACS cross-connect assignment records, circuit mapping within various transmission equipment, such as Alcatel DACS, Lucent 5ESS switch, SONET/DWDM transport facilities, CISCO routers, Passport, New Bridge, etc.  Proactively manage operational problems through to solution to ensure optimum utilization and performance of equipment and circuits.  Serve as a contact point for the various Shaw business units, as well as outside carriers and customers.  Create and maintain a capital budge for their area of responsibility.

Most Recent Employer:	China Telecom
Job Title:	Network Architecture Planner
Start Month/Year:	09/2002
End Month/Year:	07/2004
City:	Shanghai
Country:	China
Description:	 Participated in China Telecom 3G mobile network planning (Schematics, implementation, logistics), performing planning schemes evaluation of different 3G standard (W-CDMA, CDMA 2000). Created China Telecom CDMA200/UMTS service business quotation models and workload models.  Worked closely with Lucent core engineer team to design and launch the first CDMA2000 1XRTT/EV-DO data experiment network (commercial trial) in China Telecom, providing RF and wireless transmission design, planning and overseeing installation, construction and maintenance of wireless radio communications systems, including radio propagation modeling and prediction, microwave path analysis, interference analysis, frequency coordination, cell site equipment layout, parameter definition and ancillary equipment.  Planned and plotted drive routes with assisted of Senior RF team leaders of Lucent, post-processed new site drive data and analyzed all data collected to validate system model.  Carried out RF planning, optimization and performance analysis, possessed complete understanding of Lucent 1XRTT/ EV-DO RAN architecture, database parameters and radio network performance KPI’s. Tasks included coverage predictions, site location planning, site survey, site configuration, neighbor list planning, database planning, network performance monitoring and acceptance test.  Provided technical training for internal staffs.

Education & Training


Education Level:	Master's Degree
School Name:	Ryerson University
Major:	Wireless Communications
City:	Toronto
Country:	Canada
Graduation Date:	21/06/2006
Description:	Research Assistant Department of Electrical and Computer Engineering Sep 2004- July 2006 Ryerson University, Toronto, Canada  Focused on the design of algorithms and architectures for wireless communications, with special emphasis on radio resource management for WCDMA-based communication systems.  Comprehensively investigated wireless channel characteristics, channel modeling and link adaptation for 3G mobile cellular networks with strong aptitude fo