Robert Grayson Email and Phone Number
palo alto, california, united states
Robert Grayson's Location
United States, United States
Robert Grayson's Contact Details
Robert Grayson personal email
- Valid
About Robert Grayson
Broadly experienced communications system engineer with deep technical knowledge over a wide range of disciplines in digital communications and signal processing, and a passion and curiosity to develop new and innovative systems for Space-based and Terrestrial Wireless communications and PNT Systems. My expertise focuses on system engineering, digital communications, communication theory, Satellite Communications (recent focus on GPS/GNSS), RF Systems, Physical Layer and Modem design, Modeling and Simulation, performance analysis from antenna/RF through base-band, proposals, specification development, standards committees, link budgeting, interference analysis, Digital Signal Processing, Forward Error Correction, Receiver Synchronization, Wireless Communications, and Channel Modeling, Most recently involved in signal design for ๐๐ผ๐ ๐๐ฎ๐ฟ๐๐ต ๐ข๐ฟ๐ฏ๐ถ๐ ๐ฃ๐ผ๐๐ถ๐๐ถ๐ผ๐ป, ๐ก๐ฎ๐๐ถ๐ด๐ฎ๐๐ถ๐ผ๐ป ๐ฎ๐ป๐ฑ ๐ง๐ถ๐บ๐ถ๐ป๐ด (๐๐๐ข-๐ฃ๐ก๐ง) ๐๐๐๐๐ฒ๐บ, Xona Space Systems, a fast-paced venture-funded startup developing the world's first commercial GNSS system using a constellation of ~300 SmallSats. A key architect of Xona's spectrally-efficient, high data rate, high accuracy PULSARโข PNT signal design (PHY layer), including the unique composite signal structure, bandwidth-efficient chip modulation methods, proprietary CDMA pseudo-random spreading sequence sets, and optional fast acquisition aiding signal design for rapid TTFFD, as well as development of FEC schemes. Co-authored the initial spectrum compatibility study for ITU/FCC regulatory submission for Xona's PULSARโข system. Designed, simulated, and verified performance of receiver acquisition/detection and tracking algorithms for high dynamics LEO-PNT signals. Co-author of the Navigation Signal ICD used by Xona's Ecosystem partners such as u-Blox and Septentrio, used to implement and verify performance of Xona's prototype signal design, and for implementing Xona's signal designs in future GNSS chipsets.Previously, many years successfully developing Military and Commercial Satellite Communications systems and payloads, broadband commercial communications systems including DSL and wireless technologies, and military LPI/AJ terrestrial radios. Have previously held DoD clearances for 30 years - inactive for 2.5 years due to commercial nature of recent work
Robert Grayson's Current Company Details
Higher Ground Llc
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Communications Systems Engineering
palo alto, california, united states
- Website:
- satpaq.com
- Employees:
- 4
Robert Grayson Work Experience Details
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Signal Processing ConsultantHigher Ground Llc Nov 2024 - PresentPalo Alto, California, United StatesSupporting on part-time basis development of a novel GEOSat - based alternate PNT system, augmenting GPS/GNSS. Signal design, receiver algorithm development, communications performance analysis
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Principal Communications Systems EngineerXona Space Systems Oct 2020 - Jan 2024San Mateo County, California, United StatesXona is a VC-funded startup developing the first fully commercial global navigation satellite system (PULSARโข GNSS) via a constellation of 258 LEO satellites providing secure, always available, precise position and time. Joined shortly after company formation as principal communications engineer to lead LEO-PNT waveform developmentโค Primary architect of the proprietary navigation signal designs employed in PULSAR: high-power signal designs for LEO-PNT providing higher data rates/better accuracy than standalone GPS, fast TTFFD, high processing gain, advanced FEC, and chip-level encryption, while also meeting strict ITU/FCC regulatory requirementsโค Performed the initial ITU regulatory analysis demonstrating full interoperability on a non-interfering basis (with significant excess margin) of PULSAR waveforms in Xonaโs target RNSS C-band and L spectrumallocations; analysis used to support initial submissions for ITU and FCC;โค Designed the proprietary primary and secondary CDMA spreading sequence sets, bandwidth-constrained chip modulation, and composite signal structure used in PULSAR navigation signalsโค Developed high-dynamics LEO navigation signal acquisition and code/carrier tracking algorithms, aiding signal design, and multiple FEC algorithms; constructed extensive Matlab/C++ simulations to verify performance and support reference SDR implementationโค Collaborated with RF engineers and baseband HW/SW team to implement dual L+C band PNT signals in demonstration navigation payload (successful launch in May 2022 via SpaceX rideshare)โค Co-authored the Navigation Signal ICD used by Xona Ecosystem partners (Septentrio, NovAtel, Syntony, Orolia, Safran, Spirent, StarNav, etc) to implement the PULSAR waveform in future GNSS receiver and ASIC designs, as well as GNSS simulatorsโค Successful launch of the first demonstration payload ("Huginn") in May 2022 via SpaceX rideshare1 Patent Awarded (US 118992120 B2), 1 Pending (US 2024/0255653 A1), 1 Submitted in Review -
Sr. Principal Systems EngineerBooz Allen Hamilton 2019 - 2020Los Angeles Metropolitan Areaโข Develop signal processing algorithms for a proprietary SDR platform including baseband receiver algorithms, FEC algorithms, and anti-jam signal processing algorithmsโข Support RFI/RFP responses, and contribute to proposal efforts for future development programs in the areas of terrestrial and satellite systems for the DoDโข Provide technical direction and mentoring to junior and new graduate engineers working in small DSP laboratory in digital communications and signal processing -
Principal Systems EngineerL3 Technologies Jan 2015 - Mar 2019Orange County, California, United StatesPrincipal engineer providing signal, waveform and receiver design expertise in PNT systems for DoD applications. Responsibilities focused on 1) development of an AJ GPS Pseudolite for GPS-denied environments, and 2) implementation of the "modernized" GNSS signals, domestic and international, including GPS L2C, L5, L1C; Galileo E1/E5; and Japan's QZSS, for augmenting performance of next-generation Military GPS receivers โ Conducted detailed analyses and simulations and generated performance requirements to support ASIC team on theory and implementation of the modernized signals. Provided guidance to junior engineers; led weekly meetings on GNSS signal design/implementationโ Developed extensive simulations of receiver signal processing algorithms (acquisition/tracking/decoding) of GPS L1C/L2C/L5, Galileo E1/E5, and QZSS. Devised a novel GPS L1C pilot code tracking loop with carrier/code performance exceeding significantly more complex implementation. Designed efficient decoding algorithms for GPS-III L1C short/long LDPC codes; simulated performance in Matlab/C++, and developed ASIC specificationsโ Led waveform development for U.S. Army $25M Phase I APNT TMRR study, to develop a system approach and hardware prototype for a GPS Pseudolite, a critical DOD PNT technology for GPS denied environments.โ Designed the bandwidth and power-efficient waveform enabling low-SWAP implementation on target Pseudolite platforms; performed link budget, interference, and end-to-end performance analysis; specified RF hardware requirements, conducted platform EMI/EMC analyses, improved signal design study, and developed specs for next-generation pseudolitesโ Collaborated with subcontractors, including RFP generation, proposal evaluation, and subcontractor selection. Supported U.S. Army oversight agencies in TIMs, Preliminary, Interim and Critical Design Reviews; authored interim and final report deliverables -
Consulting Systems EngineerSatellite And Wireless Systems 2011 - 2014California (Hybrid)System engineering and analysis for advanced wireless and satellite communications design. Key client was Space Systems/Loral (Maxar) in Palo Alto, CA
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Consulting Communications Systems EngineerSsl (Space Systems Loral) 2011 - 2012Palo Alto, Caโ Collaborated with SSL senior management on developing protected, affordable, system and payload architectures for Protected MILSATCOM, a significant new business pursuit within SSLโ Conducted system trade studies on architectures and signal processing for protected, anti-jam MILSATCOM using high-capacity, multi-beam, commercial SATCOM, and Digital Transparent, Regenerative, or Full/Partial processing payload designsโ Key contributor to proposal successfully won by SSL ($40M+ plus over 2 years, with potential for full payload development) to study architectures and demonstrate an affordable, protected MILSATCOM system and Protected Tactical Waveform (PTW)โ Performed link budget analysis and RF architecture studies, analyzed and simulated high coding gain forward error correction (FEC) schemes and hi-level modulation such as APSK and concatenated LDPC codes for protected, multi-beam satellite links over commercial satellites -
Systems Engineering PrincipalLockheed Martin 2010 - 2011San Diego, California, United StatesJTRS Radio SME and communications system engineering lead for development, integration, and test of the $600M Small Airborne Radio (JTRS-SA) embedded Software Defined Radio (SDR)โ Provided system engineering direction in technical development, integration, test, and sell-off of software defined radio including OFDM-based Wideband Networking Waveformโ Led supporting communication system technical analysis and problem solution paths through SDR integration and test at the RF, modem/DSP, and link layersโ Oversaw major subcontractors in achieving problem resolutions and maintaining technical baseline and cost; Brief high-level program management on results, risk assessment and mitigation, and alternative technical solutions for airborne radio development -
Sr. Principal EngineerRaytheon Network Centric Systems 2008 - 2010Greater Los Angeles AreaReporting to technical area director, supported internal R&D and new business pursuits, aimed at developing advanced technologies for current/future DoD networked radio and radar systemsโ Evaluated various Layer 1 technologies for improving existing data link products at Raytheon including MIMO-OFDM, wavelet modulation, high data rate single-carrier modulation, SC-FDE, and advanced channel coding. Constructed simulations and presented several papers on proposed approachesโ Successfully contributed to multiple winning proposals including DARPA Mobile Ad-Hoc Interoperability Network GATEway (MAINGate) and ONR High Throughput Networking Infrastructure (HTNI) programsโ Developed several novel airborne data link designs using very low-rate channel codes coupled with large signal constellations (32/64/256 APSK) which were a key component of the winning HTNI proposalโ Supported development of hybrid communications/radar systems, including P-CDL (pulsed Common Data Link) waveform design for Raytheon MFRFS (Multi-Function RF System)โ Designed high-data rate MDPSK waveform with advanced FEC for use in high data rate MFRFS (Multi-Function RF System) Radar, and analyzed and simulated design in Matlab/C++ to verify performanceโ Designed a proprietary continuous-phase modulation (CPM) waveform to improve the capacity of Raytheonโs legacy EPLRS tactical radio while maintaining backward compatibility and allowing easy upgrade to large installed radio baseโ Devised and simulated low-complexity, detector/classifier algorithms to add Dynamic Spectrum Analysis (DSA) capability to widely used EPLRS-XF military radio system. Supported FPGA implementation and test -
Scientist V โ Information & Communications SystemsBoeing 2004 - 2006Orange County, California, United StatesWorking in the advanced systems group, provided communications systems engineering, analysis, and development support to key DoD software defined radio programs including FAB-T, JTRS, and HC3โ Managed USAF systems architecture study as part of a multi-band, multiple-waveform High-Capacity Communications Capability (HC3) radio for EHF (TSAT) and Ku/Ka-Band MILSATCOM systemsโ Collaborated on architecture studies of HC3 multi-band RF front end and baseband modem design to support existing new and legacy EHF MILSATCOM (LDR, MDR, XDR, TSAT), WGS, and legacy UHF satellite communications and future Ka-Band data linksโ Regularly reported/presented study results to USAF customer and contractors.โ Designed and simulated parallel and serial concatenated turbo codes for block sizes up to 20K bits, to meet link margin requirements for a high data rate Ka-Band UAV SATCOM application โ Led air interface (COFDM, AJ, and LPI waveforms) performance improvement efforts for Joint Tactical Radio System (JTRS) Wideband Networking Waveform (WNW). Optimized/streamlined COFDM operational modes to reduce development time and facilitate testability of WNW radios.โ Analyzed sensitivity of WMW COFDM PHY-layer to specific jamming threats via extensive simulation, and suggested PHY-layer design modifications and algorithms to mitigate jamming effects -
System Engineering Team Lead And Principal EngineerWinbond 2001 - 2003Greater Los Angeles AreaSystems team lead for multi-national, multi-site team of communications systems engineers that developed 802.11 b/a WLAN IP, while also contributing to hands-on design of 802.11 modems โ Tracked and scheduled tasks, resolved technical issues, mentored systems engineers, coordinated PHY-layer design for 802.11b and 802.11a baseband processorsโ Contributed individually and as part of team developing algorithms for packet detection, symbol, carrier, and clock synchronization, AFC, AGC, channel estimation/equalization and channel coding/decoding for both 802.11b CCK and 802.11a OFDM modemsโ Developed detailed Matlab/C++ end-to-end fixed-point simulations of 802.11b/a WLAN to verify performance and to support chipset development and verificationโ Authored/managed development of 802.11 b/a baseband processor specifications. Worked with off-shore baseband and RFIC design team to develop RF ASIC design and specificationsโ 2๐ฏ๐ฅ ๐ฆ๐ฎ๐ฑ๐ญ๐ฐ๐บ๐ฆ๐ฆโ๐ณ๐ฆ๐ค๐ณ๐ถ๐ช๐ต๐ฆ๐ฅ ๐ฃ๐บ ๐ต๐ฉ๐ช๐ด ๐ฐ๐ง๐ง๐ด๐ฉ๐ฐ๐ณ๐ฆ ๐ด๐ฆ๐ฎ๐ช๐ค๐ฐ๐ฏ๐ฅ๐ถ๐ค๐ต๐ฐ๐ณ ๐ค๐ฐ๐ฎ๐ฑ๐ข๐ฏ๐บ ๐ต๐ฐ ๐ฉ๐ฆ๐ญ๐ฑ ๐ด๐ต๐ข๐ณ๐ต-๐ถ๐ฑ ๐ข ๐.๐. ๐ฅ๐ฐ๐ฎ๐ช๐ค๐ช๐ญ๐ฆ๐ฅ ๐ธ๐ช๐ณ๐ฆ๐ญ๐ฆ๐ด๐ด ๐ด๐บ๐ด๐ต๐ฆ๐ฎ๐ด ๐ฅ๐ฆ๐ด๐ช๐จ๐ฏ ๐จ๐ณ๐ฐ๐ถ๐ฑ ๐ช๐ฏ ๐๐ฐ๐ถ๐ต๐ฉ๐ฆ๐ณ๐ฏ ๐๐ข๐ญ๐ช๐ง๐ฐ๐ณ๐ฏ๐ช๐ข -
Communications Systems ConsultingDigital Communications Consultant 1998 - 2001Orange County, California AreaIndependent consultant (sole-proprietorship) in communications system design for โlast-mileโ and home networking technologies (DSL, Powerline, UWB) and wireless systems. Key organizations supported were Lucent, Cisco (DSL Business Unit), start-up Valence Semiconductor, and L-3 Technologiesโข Contractor to L-3 (Interstate Electronics, Anaheim, CA) on algorithm development for their Melody GPS ASIC, working on tracking loop design and simulation for a combined P(Y), C/A, M-code receiver. (Anaheim, CA, ๐๐๐๐- ๐๐) โ For Cisco (DSL Business Unit), supported development of DSL CPE. Supported development of Very High-Speed DSL (VDSL) and ADSL-2 CPE; conducted performance tests on VDSL chipsets from competing vendors as part of Ciscoโs planned passive optical network/VDSL system development (Irvine, CA, ๐๐๐๐ โ ๐๐)โ Working with CEO and CTO of Irvine, CA-based startup Valence Semiconductor, helped organize technology roadmap and product strategies, wrote technical requirements documents for DSL and powerline networking products. Developed powerline modem architecture. Attended standards meetings (Irvine, CA, ๐๐๐๐ โ ๐๐๐๐)โ Developed OFDM modem architecture for home powerline networking for Valence Semi โ verified theoretical performance via Matlab/C simulations over powerline channel models based on theory and measurements (Irvine, CA ๐๐๐๐ โ ๐๐๐๐)โ Designed modem algorithms for a Lucent central office ADSL chipset; provided technical support to local Lucent management in business case analysis for DSL products (Huntington Beach, CA ๐๐๐๐ โ ๐๐)
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Sr. Communications Systems Engineer (Pairgain Technologies)Adc 1994 - 1998Tustin, Ca๐๐ฐ๐ต๐ฆ: ๐๐ฉ๐ช๐ด ๐ฑ๐ฐ๐ด๐ช๐ต๐ช๐ฐ๐ฏ ๐ธ๐ข๐ด ๐ธ๐ช๐ต๐ฉ ๐๐ข๐ช๐ณ๐๐ข๐ช๐ฏ ๐๐ฆ๐ค๐ฉ๐ฏ๐ฐ๐ญ๐ฐ๐จ๐ช๐ฆ๐ด ๐ธ๐ฉ๐ช๐ค๐ฉ ๐ธ๐ข๐ด ๐ญ๐ข๐ต๐ฆ๐ณ ๐ข๐ค๐ฒ๐ถ๐ช๐ณ๐ฆ๐ฅ ๐ฃ๐บ ๐๐๐ ๐๐ฆ๐ญ๐ฆ๐ค๐ฐ๐ฎOn direct staff to PairGain Chief Scientist/VPโsupported fundamental research, technology development, and hardware design of next-generation high bit rate digital subscriber line (HDSL2/ADSL) technologyโ Hired by founding team shortly after PairGain IPO for development of 2nd-generation DSL technology (HDSL2 and ADSL), expanding companyโs mainstay and profitable HDSL business into other commercial and consumer marketsโ Performed extensive studies of advanced modulation and coding for DSL line codes, reduced complexity decoding, and advanced equalization methods to achieve improved DSL user capacity, reach, and data ratesโ Developed several novel high coding-gain, but low complexity, channel coding techniques for DSL line codes, using very long constraint length PAM/QAM trellis codes and sub-optimal decoding algorithms such as sequential and reduced-state Viterbi (M/T-algorithm) decodingโ Represented PairGain at ANSI T1E1.4 standards group during the early development of HDSL2 standardโhad key role in initial technical feasibility studies which eventually led to formation of an ANSI/T1E1.4 sub-group for single-pair symmetric DSL.โ Designed other improvements to DSL transceivers including improved timing recovery methods, and design of the 4D-TCM (Trellis Coded Modulation) FEC decoder incorporated in PairGainโs ADSL ASICโ ๐๐ข๐ช๐ณ๐๐ข๐ช๐ฏ ๐๐ฆ๐ค๐ฉ๐ฏ๐ฐ๐ญ๐ฐ๐จ๐ช๐ฆ๐ด (๐๐๐๐๐๐: ๐๐๐๐) ๐ธ๐ข๐ด ๐ต๐ฉ๐ฆ ๐ฆ๐ข๐ณ๐ญ๐ช๐ฆ๐ณ ๐ช๐ฏ๐ฏ๐ฐ๐ท๐ข๐ต๐ฐ๐ณ ๐ข๐ฏ๐ฅ ๐จ๐ญ๐ฐ๐ฃ๐ข๐ญ ๐ญ๐ฆ๐ข๐ฅ๐ฆ๐ณ ๐ช๐ฏ ๐๐๐, ๐ธ๐ช๐ต๐ฉ ๐ฐ๐ท๐ฆ๐ณ 70% ๐ฐ๐ง ๐ต๐ฉ๐ฆ ๐๐๐๐ ๐ฎ๐ข๐ณ๐ฌ๐ฆ๐ต ๐ช๐ฏ ๐ต๐ฉ๐ฆ ๐ฎ๐ช๐ฅ-๐ญ๐ข๐ต๐ฆ 1990๐ด (๐๐ข๐ช๐ณ๐๐ข๐ช๐ฏ ๐ธ๐ข๐ด ๐ฐ๐ญ๐ฅ ๐ต๐ฐ ๐๐๐ ๐๐ฆ๐ญ๐ฆ๐ค๐ฐ๐ฎ ๐ง๐ฐ๐ณ $1.6๐ ๐ช๐ฏ 2000) -
Principal Communications Systems EngineerLincom Corporation 1988 - 1994Greater Los Angeles AreaProvided system engineering and communications system design, simulation, and analysis services for NASA, the DoD, and commercial satellite communications systems customersโ Specified, designed, analyzed, and simulated communications systems for NASA (JSC/GFSC) including Space Station Freedom and other NASA space communications systems โ Designed an all-digital variable-rate bandwidth-efficient modem architecture for space applications as part of internal R&D, constructed C simulation of modem and supported hardware developmentโ Analyzed multiple-access schemes, communications protocols, modulation and coding approaches, and carrier/symbol/code synchronization systems, for NASA near-earth space communications and telemetry and command systemsโ Authored winning proposal and managed all system design, analysis, and simulation for a CDMA-based automatic vehicle location (AVL) implementation study for customer Telecom Australia; developed comprehensive simulation of AVL system to prove system performanceโ Supported system engineering, integration and test of MILSTAR-I satellite EHF communications payload and preliminary development of MILSTAR-II satellite system specificationsโบ ๐๐ฐ๐ถ๐ฏ๐ฅ๐ฆ๐ฅ ๐ช๐ฏ 1974 ๐ฃ๐บ ๐๐๐ ๐๐ณ๐ฐ๐ง๐ฆ๐ด๐ด๐ฐ๐ณ ๐ข๐ฏ๐ฅ ๐๐๐๐ ๐๐ฆ๐ญ๐ญ๐ฐ๐ธ ๐๐ช๐ญ๐ญ๐ช๐ข๐ฎ ๐. ๐๐ช๐ฏ๐ฅ๐ด๐ฆ๐บ, ๐๐ช๐ฏ๐๐ฐ๐ฎ ๐ธ๐ข๐ด ๐ข๐ค๐ฒ๐ถ๐ช๐ณ๐ฆ๐ฅ ๐ฃ๐บ ๐๐ช๐ต๐ข๐ฏ ๐๐ฐ๐ณ๐ฑ๐ฐ๐ณ๐ข๐ต๐ช๐ฐ๐ฏ ๐ช๐ฏ 2000 ๐ข๐ฏ๐ฅ ๐ด๐ฑ๐ถ๐ฏ ๐ฐ๐ถ๐ต ๐ข๐ด ๐๐ช๐ฏ๐๐ถ๐ฆ๐ด๐ต ๐๐ฐ๐ณ๐ฑ๐ฐ๐ณ๐ข๐ต๐ช๐ฐ๐ฏ ๐ช๐ฏ 2004.
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Department Staff EngineerTrw Defense & Space Systems Group 1983 - 1988Redondo Beach, CaSystems Engineer in the Electronic Systems Group of TRW (now part of Northrup-Grumman) - Responsible for link budgeting, end-to-end communications performance analysis, digital satellite modem development, RF and digital signal processing, verification, and test of communication related units, payloads, and systems.โ Payload system engineer for the development of complex FDM/TDM processing payload for protected EHF Satcom (MILSTAR-I payload), providing system analysis, hardware development, and test support through CDR periodโ Developed extensive simulations, models, and analyses of MILSTAR communications performance in support of payload hardware development and system performance verificationโ Supported test and verification of critical payload EHF demodulator/signal processor unit during post-CDR period โ responsible for resolution of technical issues, directing junior systems engineers, and serving as liaison to payload customer on signal processor technical issuesโ Contributed technically to several IRAD programs. Created architecture of an all-digital modem compatible with all standard military SATCOM waveforms for the DoD VHSIC program -
Member Of The Technical StaffHughes Aircraft Company 1978 - 1983MTS in the Space and Communications Group, supporting development of commercial, Military, and NASA communications payloadsโ Payload system engineer for Intelsat VI communications satellite, supporting integration of the communications repeater (yeah, way back then, #6, physically the size of probably 5000 cubesats)โ Analyzed end-to-end communications performance of commercial satellite links, including effects of group delay, group delay variation, ring-around leakage, AM/AM, AM/PM, IXTR, NPR, IM/PIMs and other impairments; work supported multiple proposals for Hughes 376 type satellites and โbent-pipeโ transpondersโ Created simulation models and analyzed performance of bandwidth-efficient modulation systems (MSK, SQPSK, QASK, TFM, etc.) over nonlinear satellite channels as part of IRAD in support of commercial satellite communications repeater development โ Designed hardware and supported development of NASA Galileo Probe Radio Receiver Hardware (RRH)
Robert Grayson Skills
Simulations
Embedded Systems
Asic
Telecommunications
Testing
Digital Signal Processors
Rf
Wireless
System Design
System Architecture
Systems Engineering
Integration
Signal Processing
Robert Grayson Education Details
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Electrical Engineering -
Electrical Engineering
Frequently Asked Questions about Robert Grayson
What company does Robert Grayson work for?
Robert Grayson works for Higher Ground Llc
What is Robert Grayson's role at the current company?
Robert Grayson's current role is Communications Systems Engineering.
What is Robert Grayson's email address?
Robert Grayson's email address is rg****@****ail.com
What schools did Robert Grayson attend?
Robert Grayson attended University Of Southern California, The Ohio State University.
What skills is Robert Grayson known for?
Robert Grayson has skills like Simulations, Embedded Systems, Asic, Telecommunications, Testing, Digital Signal Processors, Rf, Wireless, System Design, System Architecture, Systems Engineering, Integration.
Who are Robert Grayson's colleagues?
Robert Grayson's colleagues are Miles Cook, Colin Krinsky, Derick L., Dave Burgess, Sheehan O'connor, Scott Daugherty, Richard B..
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