EXPERTISE
Network Architecture & Planning; Telecom System Requirements/Performance Analysis; IP, ATM, Frame Relay Network System & Protocol; SONET, DWDM, Carrier Ethernet, VoIP Standards & Testing; RF & Cellular System Design: WiFi, LOS Microwave, UMTS, EVDO, LTE, RF coverage Analysis; Voice/Data Telecom Test Equipment (SONET Test Set, Protocol Analyzer, Wideband Radio Communication Test Set, Ixia, etc.); Network Planning and Optimization Tools: OPNET, ATOLL, Mentum, C/C++
EXPERIENCE
2009 to 2014. Telecom Consultant, NETWORK SYSTEMS TECHNOLOGIES, LLC, Franklin Park, NJ
Design, development, testing and operations support in RF and Fiber Optic Networks.
• Test Packet-Optical Platform system hardware and software for Carrier Ethernet and Connection Oriented Ethernet. Develop and execute test procedures for Ethernet Bridging, VLAN crossconnect, LAG (Link Aggregation), 802.1ag & G.8031. Execute test cases using Ixia and other packet optical test equipment.
• Design mobile device that can make VOIP voice call using WiMAX and LTE network. Air interface technologies used LTE/WiMAX RLC, MAC, PHY layers (TDD and FDD) and protocol, E-UTRAN and EPC architecture, wireless network call processing.
• Develop LTE network mobile backhaul solutions using Alcatel Lucent LTE equipment and packet microwave radio. Analyze LTE resource allocation, QoS in LTE network, define/ analyze wireless network performance and measurements.
2006 to 2008, Lead RF Engineer, BOEING COMPANY, Ridley Park, PA
Perform design analysis on the CV-22 cabin intranet. Lead and manage a team of engineers to perform trade study on the Block 20 CV-22 survivor Line of Sight Communications System. Lead the design and analysis of aircraft LOS microwave communications subsystem. Design subsystem and specifications, radio/antenna component selection and component integration, Perform gain/loss budgets, RF link analysis, radio antenna RF coverage and placement analysis using EDX Signal Pro. (Technologies used RF antenna technologies & RF Link optimizations)
2005 to 2005, Lead System Engineer, LOCKHEED MARTIN, Lanham, MD
Model and simulate the HUD (Housing and Urban Development) Information Technology Network (Cisco IP over ATM/SONET Network) using OPNET IT Guru. Analyze the network traffic simulation results to eliminate the network bottleneck and improve the network performance. Evaluate the impact of new technology implementation on the HUD network hardware and services.
2003 - 2004, Wireless Systems Engineer, SPRINT PCS, Lenexa, KS
Develop the Integrated Product Guide and analyze the end-to-end product performance of the Sprint PCS Commercial Location Based Service for the Sprint CDMA2000 EVDO network. Calculate and estimate the Service Availability, Service Response Time, Location Fix Accuracy and Success Rate. Develop use scenarios and call flow for the Location Based Service. (Technologies used UMTS, EVDO network standards and protocol)
2000 - 2002, Senior Staff RF Network Engineer, LOCKHEED MARTIN GLOBAL TELECOMMUNICATION, Norristown , PA
Design and analyze satellite and wireless communication network.
• Design Verification of the uplink/downlink radio link layer & ATM layer for voice, data and video services of the Astrolink GEO Satellite TDMA/DAMA Network.
• Analyze and calculate the Astrolink Network ATM & IP QoS performance by mathematical method and OPNET simulation of the satellite payload model and congestion control algorithm. (Technologies used IP QoS, End-to-End QoS and traffic shaping)
• Design the network planner for the WIN-T IEEE 802.11 Ad-Hoc wireless communications network.
1999 - 2000, Lead Member Technical Staff, BELL ATLANTIC GLOBAL NETWORK, INC., Arlington, VA
Developed the SONET/ATM network architecture for the Bell Atlantic long distance voice and data network.
• Designed the SS7 signaling system call flow for the Bell Atlantic long distance PTFS (Personal Toll Free Service) voice service.
• Developed the network architecture and system requirements for the Bell Atlantic IMA (Inverse Multiplexing ATM) service.
1996 - 1999, Senior Telecommunications Engineer, RMS INFORMATION SYSTEMS, INC., Washington, D.C.
• Defined FAA (Federal Aviation Administration) communications requirements and developed the FAA National Airspace Communications Network architecture using new technologies: GEO/LEO Satellite, ATM, Frame Relay, ISDN, Virtual Private Network and VLAN.
• Designed alternate network architecture and performed link budget analysis to replace the FAA nationwide analog Radio Communications Link with GEO satellite links, digital microwave links and wireline links.
• Developed the network synchronization plan and designed the primary/secondary synchronization reference distribution network for the FAA communications network using GPS (Global Positioning System) and cesium beam frequency standard.
1994 - 1996, Consulting Engineer, Franklin Park, NJ
Worked as an independent consulting engineer to internet service providers.
• Designed telecommunications and computer IP networks, performed system requirements analysis and network planning for Local Area Network and Wide Area Network,
• Selected, configured and tested computer networking equipment, telecommunications transmission and switching system. T1/T3 digital multiplex, digital crossconnect system, network router, communications server and modems.
1987 - 1993, Member of Technical Staff, BELL COMMUNICATIONS RESEARCH, INC., Morristown, NJ
Responsible for technical analysis (testing) of telecommunications transmission and switching equipment from various manufact...
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