Paul Ngai, P.E.
PO Box 702
Franklin Park, NJ 08823
Tel: 732-348-5258
[Send email using form at bottom]

OBJECTIVE
Research, development, testing, operations or project manager in voice/data
network, wireless communications or telecommunications.
 
SKILL SUMMARY
Telecom & Wireless Network Design/Planning
Telecom Transmission/Switching Systems
ATM, DWDM, SONET, IP, ISDN, Frame Relay
Telecom Systems Requirements Development
RF & LOS Microwave Systems Design
Cellular & Satellite Network Design/Testing
Network Analysis/Modeling/Simulation
System Performance Analysis, QoS & Testing
Network Product Development
RF Link Budget & RF Coverage Analysis

EXPERIENCE
2008 to Present, Independent Consultant, NETWORK SYSTEMS TECHNOLOGIES, LLC,
Franklin Park, NJ

2006 to 2008, Lead RF Engineer, BOEING COMPANY, Ridley Park, PA
Perform design analysis on the CV-22 cabin intranet. Lead, manage and 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.
Works include subsystem design and specifications, radio/antenna component
sellection and component integration, Perform gain/loss budgets, RF link
analysis, radio antenna RF coverage and placement analysis.

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 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, Consulting 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. 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.

2000 - 2002, Senior Staff Network Engineer, LOCKHEED MARTIN GLOBAL
TELECOMMUNICATION, Norristown , PA
- Develop the Astrolink satellite TDMA network simulation analysis and
verification plan.
- Analyze the Astrolink OPNET IP Network model simulation results to optimize
the network Routing & Switching performance.
- Analyze and calculate the Astrolink Network ATM & IP QoS performance by
mathematical method and simulation of the satellite payload model and congestion
control algorithm.
- Design the network planner for the WIN-T IEEE 802.11 wireless communications
network.

1999 - 2000, Lead Member Technical Staff, BELL ATLANTIC GLOBAL NETWORK, INC.,
Arlington, VA
Developed the network architecture for the Bell Atlantic long distance voice and
data network.
- Developed the SS7 signaling system call flow for the Bell Atlantic long
distance PTFS (Personal Toll Free Service) voice service.
- Designed 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.
- Analyzed the FAA Interfacility Communications Network performance using OPNET
network simulation program.
- 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 in the following areas: Local Area
Network, Wide Area Network, Voice and Data Communications.
- Provided assistance in sellection, configuration, testing and acquisition of
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 (System Testing) of telecommunications
transmission and switching equipment from various manufacturers to determine
whether the equipment was designed according to Bellcore requirements and
industry standards (e.g. ANSI T1X1 or ITU-T standards).
- Developed a set of system design criteria that needed to be tested by
researching into the technologies used in the technical analysis T1/T3, ATM,
Frame Relay, Synchronous Optical Network (SONET) and network synchronization.
- creatted the test procedures by analyzing the design of the telecommunications
equipment.
- Tested Frame Relay packet switching system (StrataCom IPX), T3 Digital
Multiplex, Timing Signal Generator, Digital Crossconnect System and T1
Intelligent Multiplex in a laboratory using various telecommunications test
equipment.
- Developed design requirements for Timing Signal Generator and Digital
Crossconnect System.
- Attended Telecommunications Standards (ANSI T1X1) AND Frame Relay Forum
Meetings.

1986 - 1987, Member of Technical Staff, RCA SOLID STATE DIVISION, Somerville, NJ
Designed CMOS Macrocells and Integrated Circuits. Work included schematics entry
and netlist generation using Mentor CAD system, logic simulation using MIMIC
logic simulator, hierarchical SPICE netlist generation and simulation, Layout
Versus Schematic check and Design Rule check using ECAD, MP2D and VITAL layout
programs were used to layout Macrocells and the entire integrated circuit.

1985 - 1986, Design Engineer, NUMERIX CORPORATION, Newton, MA
Designed and tested the communication interface between the Numerix NMX-332
array processor and the PDP-11 Q-bus using TTL LSI and MSI chips, PAL and PROM.
DAISY was the CAD system used for schematic entry and netlist generation. The
communication interface consisted of a format converter, DMA controller, shared
memory access control logic, Q-bus interface logic and the high speed interface
logic of the NMX array processor.

1985 - 1985, Design Engineer, HORIZON RESEARCH, INC., Waltham, MA
Designed the main memory for IBM 370 series compatible machine using ECL gate
array and 256K DRAM. VALID CAD system was used extensively for graphic input,
logic simulation and timing verification.

1983 - 1984, Engineer, DIGITAL EQUIPMENT CORPORATION, Shrewsbury, MA
Designed VAX memory array and memory tester using 256K DRAM, TTL logic, ECL
logic and VLSI gate arrays. HILO and VALID were the CAD tools used for schematic
entry, logic simulation and timing verification.

EDUCATION
M.S.E.E. The University of Texas at Austin, December 1982
B.S.E.E. Northwestern University, Evanston, Illinois, June 1979

CERTIFICATE
Professional Certificate in RF Communications - Temple University, August 2003.

LICENSE
Professional Engineer, State of Maryland

AFFILIATION
Member of IEEE (Institute of Electrical and Electronics Engineer)
Member of CNNNJ (Consultants Network of Northern New Jersey)