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 Expert  725352

Expert in Satellite Communication & Technology, RF/Microwave, Antenna Design


Available for your Consulting and Expert Witness Needs

New Hampshire (NH)
USA
Education Work History Career Accomplishments Consulting Services Expert Witness Market Research

Summary of Expertise: Listed with other top experts in: 
Expert has 20+ years in the RF/antenna/communications engineering field, including design of RF solid-state power amplifiers, airborne radar warning receiver systems, wideband satellite receivers, payload engineering, end-to-end satellite communication systems analysis/simulation, waveform development (M-PSK, M-QAM). Expert worked on a 60 GHz point-to-point radio development where he designed the coplanar waveguide antenna with hemispherical anti-reflection ceramic shell and performed the system design including modulation, spectral and filter analysis, modulation index (FSK), spectral emissions mask and specification of filters. Expert performed end-to-end modeling/simulation and requirements analysis for the MUOS mobile satellite system, which uses a Wideband CDMA waveform based on the 3GPP standard. Expert has performed RF/microwave system level design of payloads and transceivers, including cascade analysis of linear, intermodulation, thermal and phase noise distortion, dynamic range, intercept point, gain and noise figure; link budget analysis, and Bit Error Rate performance. Expert is proficient in use of software simulation tools for satellite system and RF design, including Satellite Tool Kit (STK), Matlab/Simulink, SPW, Agilent Advanced Design System, Eagleware/Genesys, AWR Microwave Office and Visual System Simulator, CST Microwave Studio, and Ansoft HFSS. Expert possesses excellent verbal and written communication skills, including technical proposal writing, technical reports, and presentations.
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communications technology

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digital radio-frequency signal

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microwave communication

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microwave electronic equipment

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microwave engineering

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microwave frequency

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mobile satellite communication

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quadrature phase shift keying modulation technique

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receiver operating characteristic curve

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satellite communication

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satellite communication link analysis

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satellite communication system evaluation

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wireless communication

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low earth orbit satellite

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space communication link

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antenna industry


Show Secondary and Basic Areas of Expertise
Localities:
Expert may consult nationally and internationally, and is also local to the following cities: Los Angeles, California;  San Diego, California;  Long Beach, California;  Santa Ana, California;  Anaheim, California;  Riverside, California;  Glendale, California;  Huntington Beach, California;  San Bernardino, California;  and Chula Vista, California.

Often requested
with this expert:

Radio Engineering, Satellite, Microwave
Spacecraft Antenna; Design, Development, Low-Gain Antennas...
Wireless Communications, Content, Commerce, Infrastructure,...
Microwaves, Antennas, Radio Frequency Systems and Devices

Education:
Year   Degree   Subject   Institution   Honors
1987   BS   Electrical Engineering   San Jose State University  
2020   MS   Electrical (Sensor Systems) Engineering   Naval Postgraduate School   in process (grad. 2011)

Work History:
Years   Employer   Department   Title   Responsibilities

2006 to 2009

 

General Dynamics

 

Advanced Information Systems

 

Sr. Lead Engineer - Systems

 

Expert designs RF/microwave transceivers for satellite payloads, performing cascade system and BER analysis, link budget analysis.

2001 to 2005

 

Lockheed Martin

 

Integrated Systems & Solutions

 

Sr. Staff Engineer

 

Expert designed and modeled satellite communications systems, both mobile and fixed.

2000 to 2001

 

Agilent Technologies

 


 

Sr. Hardware Engineer

 

Expert participated in the design of a 60 GHz radio link.

1997 to 2000

 

Space Systems/Loral

 


 

Sr. Engineering Specialist

 

Expert designed satellite payloads and analyzed and simulated satellite systems performance.

1995 to 1997

 

ArgoSystems

 


 

RF Lead Engineer

 

Expert performed RF system/circuit design for Global Broadcast Satellite airborne burst receiver demo, redesigned C-band FMCW aircraft altimeter system, wrote test requirements for RF front end, including microwave tuner and frequency discriminator, for Electronic Support Measures (ESM) Airborne Warning and Control System (AWACS).

1992 to 1995

 

Stanford Linear Accelerator

 


 

Sci/Eng Associate

 

Expert designed a klystron amplifier test station.

1989 to 1992

 

Lockheed Martin WDL

 


 

Engineering Specialist

 

Expert designed wideband satellite communications receivers.

1988 to 1989

 

Microwave Modules & Devices

 


 

RF Design Engineer

 

Expert designed RF solid-state power amplifiers.

2013 to 2016

 

(Undisclosed)

 


 

RF Communication and Antenna Systems Engineer

 

Modeled and analyzed BLOS communications systems. Modeled antennas and analyzed as-installed antenna performance.

2010 to 2013

 

DRS Technologies

 


 

Prin RF Systems Engineer

 

Designed airborne Direction Finding array in 30-3000 MHz range, analyzed DF system performance, modeled as-installed DF array performance, designed wideband resistively loaded blade antenna.


Career Accomplishments:
Associations/Societies

IEEE Antennas & Propagation Society; IEEE Microwave Theory & Techniques Society; IEEE Communications Society

Licenses/Certifications

Active DoD Top Secret with current SSBI; TS/SCI w/polygraph (reinstatement in process)

Awards/Recognition

STAR Employee Achievement Award (2007) for Phase Noise vs. Modulation Type analysis Employee Recognition Award (2000) for Globalstar Spectral Emissions analysis


Consulting Services:
Selected Consulting Examples:
  • Expert performed waveform simulation/analysis using Agilent ADS for SONET 10 Gbps communications link to ascertain BER vs. Eb/No performance including impact of switch/compensator network and timing jitter in the receiver.
  • Expert consultant for legal case involving trade secrets related to RF/microwave modules used for C-IED applications.
Recent Client Requests:
  • Microwave transmission power transfer expert for consulting on microwave antenna design and efficiencies.
  • Satellite communication expert for consulting on patent review
  • HFSS antenna design expert for consulting on HFSS antenna design, mm-wave & wideband.
  • Expert in aircraft radar components repair & testing for commercial aircraft systems.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Recent Litigation Client Requests:
  • RW/microwave expert for consulting on technology issues.
  • Expert witness satellite communications for consulting.
  • Expert in Satellite Communication & Technology, RF/Microwave, Antenna Industry, etc
  • Cellular telephone expert for consulting on cell phone transmission issues.
  • Expert in Reverse engineering of man-portable UHF SATCOM antennae.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

Market Research:
20+ years experience in the satellite communications industry, both commercial and military

Click the green button above to contact Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:
Other Skills and Services

BSEE+20 years RF, communications & EW/SIGINT systems design/analysis/modeling experience. Active DoD Top Secret, current SSBI (TS/SCI with polygraph reinstatement in progress). Enrolled in Naval Postgraduate School MSEE EW/Sensor Systems Engineering option. Experienced with system architecture design, requirements analysis, performance optimization. Experienced with simulation/synthesis simulation tools (Matlab/Simulink, ADS, MWO, Eagleware, CST). Knowledge of digital modulation techniques and complex IQ signal processing for comm & EW. Design knowledge of antennas, receivers, up/downconverters, tuners, PLLs, frequency synthesizers. Excellent technical (proposal) writing and communication/presentation skills.


 

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