Smart Grid Technologies Expert Profile
Computer engineering professor and expert in renewable energy and smart grid technologies with twenty-five years of experience in industry and academia.
Telecommunications
Barr Group's cellular and wireless network expert witness team provides consulting, code review, reverse engineering, patent portfolio analysis, expert witness reports, and testimony for litigation involving telecommunications technologies, standards, and protocols. Our experts have hands-on experience designing telecom/datacom equipment and the composure and credentials for trial.
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Wired and Wireless Network Equipment
Barr Group is in the business of designing reliable and secure computers and we have software and electrical engineers with a deep understanding of datacom and telecom products and protocols, such as:
- Cellular GSM and CDMA protocols, including 3G/4G/5G and LTE
- Cellular handset design, including smartphones and mobile phones
- Cellular base station equipment and network design
- Wireless networks and standards from WiFi 802.11 a/b/g/n to WiMax
- Wired and wireless access points, switches, routers, and repeaters
- DOCSIS cable modems and "triple-play" broadband access devices
- All seven layers of the OSI (Open Systems Interconnection) model
- TCP/IP Internet protocol suite and middleware libraries/stacks
- Data center infrastructure design and operations
- Fiber-optic communications and equipment
- LANs, including IEEE 802.3 Ethernet, Industrial Ethernet, and 1GE/10GE
- Bluetooth, Zigbee, and other personal area networks (PAN)
- GPS, E-911 (Emergency 911), and geolocation technologies
- Satellite telemetry and ground-to-satellite communications
- Switched telephone networks (PSTN), PBXes, and Signalling System No. 7
Barr Group's cellular and wireless network experts are well acquainted with all of the mobile communications technologies, standards, and protocols as well as the operating systems and programming languages (such as C, C++, and assembly) used to develop datacom and telecom products. We are equally comfortable reviewing chip designs in Verilog and VHDL and, of course, electronic schematics.
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Expert Witness Services
Barr Group's cellular and wireless network experts support plaintiffs and defendants in litigation in U.S. District Courts, at the International Trade Commission (ITC), and before the Patent Trial and Appeal Board (PTAB). Our services include:
- Technical assistance with drafting of discovery requests
- Software source code review and analysis
- Source code comparisons for copyright and trade secret theft
- Prior art review for patent invalidity
- Intellectual property portfolio review and analysis
- Reverse engineering, including of electronics and binary code
- Data center and network infrastructure audits
- Analysis of network infrastructure vs industry best practices
- Root cause analysis for system failures
- Network traffic analysis, including WireShark sniffing
- Review of cyber breaches in light of security measures
- Expert reports, declarations, and witness statements
- Testimony at deposition, oral hearings, and trials
Barr Group has a demonstrated ability to quickly activate one or more code reviewers to match the size, scope, and complexity of any project.
The following is a representative subset of Barr Group's experts who have experience designing and/or testifying about these technologies:
Software License Agreement Expert Profile
Consultant with significant experience with software licensing agreements (SLAs) and other contracts in technology markets, such as financial and telecom.
Communication Theory and DSP Expert Profile
Professor of communications theory and signal processing with twenty-five years experience applying these to innovate in a range of industries.
Microwave and RF Electronics Expert Profile
Consulting engineer with decades of experience in the design and development of electronics with high-speed analog, RF, and microwave circuits.
Automated Surveillance Systems Expert Profile
Computer systems expert with twenty five years experience including in video streaming/coding/processing and the design of AI-enhanced automated video security systems.
Vehicle Navigation Sensor Fusion Expert Profile
Professor with decades of experience in technologies from communication protocols to smart transportation systems for connected and autonomous vehicles.
End-to-End Network Architecture Expert Profile
Wireless communications consultant specializing in network performance analysis, radio network coverage and capacity planning, spectrum management, and traffic modeling.
High-Speed Communication Interfaces Expert Profile
Internationally recognized expert in high-speed communications and computing as well as semiconductor device development.
Advanced Military Radar Systems Expert Profile
Professor with significant expertise including in advanced radar, software-defined radio, and broadband powerline communications.
Digital Cellular Mobile Radio Expert Profile
Leading expert in the field of digital cellular mobile radio communications who was involved in the development of the earliest GSM standard.
Payment and Transaction Processing Expert Profile
Subject matter expert in electronic payment systems with three decades of experience with financial transaction processing and security.
LLM Generative A.I. and Chatbot Expert Profile
Artificial intelligence expert specializing in chatbot design and development, GPT and LangChain, speech recognition, and natural language processing (NLP).
Physical Layer Communications Expert Profile
Consultant with two decades of experience in wireless protocols and standards, including all generations of the IEEE 802.11 “WiFi” and GSM cellular standards.
Spread Spectrum Communications Expert Profile
Consulting electrical engineer with thirty-five years of experience in cellular standards including GSM, UMTS, and LTE and other wireless communication protocols.
Malware Detection Systems Expert Profile
Computer security innovator and former professor with twenty five years of experience and unique expertise in detecting network worms and drive-by download attacks.
GPS-Guided UAV Flight Systems Expert Profile
Electrical engineer with three decades of experience in safety-critical aerospace, automotive, and medical and expertise in hybrid electric vehicles.
Computer Music and Multimedia Expert Profile
Software developer and professor with extensive experience designing/developing/deploying advanced multimedia on platforms including handheld devices.
Wireless and Cellular Standards Expert Profile
Cellular and wireless communications expert with experience in military radio and mesh networks who has also been a leader in protocol standards development.
Electronic Warfare and SIGINT Expert Profile
Professor of electrical and computer engineering who consults and specializes in secure waveform design, electronic warfare, and satellite communications.
Internet and Cellular Standards Expert Profile
Scientist and leading expert in communications standards and protocols, including TCP/IP, 802.11 WiFi and cellular/LTE.
Data Science and Database Expert Profile
Professor with three decades of experience in data modeling, schema design summarization, form generation, and natural language queries.
Semiconductor Fabrication Expert Profile
Consultant with over two decades of experience in semiconductor design and testing, including foundry process evaluation and selection.
Software Design Review Expert Profile
Professor and industry consultant specializing in software design reviews, systems design and analysis, and the optimization of computer systems.
Handheld Operating Systems Expert Profile
Computer science expert with decades of experience designing software and electronics, including handheld, IoT, and wearable devices as well as video games and apps.
Mixed-Signal Electronics Design Expert Profile
Consulting former professor with expertise in mixed-signal electronics design, including for physical-layer communications, memories, and smart cards.
Fingerprint Biometric Systems Expert Profile
Former professor of computer engineering with expertise in biometric systems and technologies and a leading authority in fingerprint identification technologies.
Image and Facial Recognition Expert Profile
Professor and consultant with thirty years of experience in computer vision and image and video processing as well as color engineering and control systems for print engines.
Internet and Web Technology Expert Profile
Consultant and trainer with specialized knowledge in website development, markup languages, mobile device management, and e-commerce.
Adaptive Control Systems Expert Profile
Mechanical and electrical engineering professor with significant expertise in intelligent transportation systems and vehicle dynamics and control.
Vehicle Informatics & Safety Expert Profile
Consulting electrical engineer with decades of experience in advanced technology development and project management in automotive and spacecraft electronics.
Battery Design and Testing Expert Profile
Electrochemist, consultant, and materials science professor with extensive experience in research and industry for battery electronics, including manufacturing.
Battery Failure Electrochemistry Expert Profile
Chemist and consultant with four decades of experience in the area of electrochemical energy devices, including batteries, capacitors, fuel cells, electrolysis and corrosion.
Satellite and Cellular Base Station Expert Profile
Engineering consultant specializing in wireless cellular mobile technology who has written real-time software for products from automotive and medical to mobile handsets.
Cellular Wireless Air Interface Expert Profile
Professor of electrical engineering and computer science with decades of R&D experience in communications networks and wireless signal detection and estimation.
Deep Learning & A.I. Systems Expert Profile
Former professor with twenty five years of experience in machine learning for speech recognition and computer vision as well as in data centers and blockchain.
Speech-Based Interface & RFID Expert Profile
Consultant and former professor of computer science with decades of hands-on experience in speech recognition, IVR, RFID, streaming multimedia, and data encryption.
Speech & Voice Recognition Expert Profile
Professor of computer science with two decades of experience at the forefront of the analysis and processing of electronic documents and speech / voice.
Haptic Input & Virtual Reality Expert Profile
Engineering professor with decades of experience in virtual reality (VR), streaming multimedia, computer vision, artificial intelligence (AI), and robotics.
Aircraft Avionics Software Expert Profile
FAA-certified DER, flight instructor, commercial pilot, and former engineering director software architect for next generation cockpit flight displays.
Drone and UAV Navigation Expert Profile
USAF researcher in image processing and GPS-denied navigation with decades of experience in control systems including for aerial drones and UAVs.
Medical Image Processing Expert Profile
Researcher and consultant with a PhD in electrical engineering and specialized expertise in signal, image and video processing, and data compression.
Distributed Sensor Networks Expert Profile
Professor of computer science with specialized expertise in network quality of service, routing, and visualization as well as remote sensing.
FDA Medical Software Quality Expert Profile
Former director of software engineering with deep experience in medical products and the FDA 510(k), ISO-13485, and IEC-62304 software quality systems.
Semiconductor Design Tools Expert Profile
Consulting electrical engineer with decades of experience in design of integrated circuits and software systems for electronic design automation (EDA).
Electronic Voting Machine Expert Profile
Distinguished professor of computer science with expertise in electronic voting, artificial intelligence, digital libraries, and electronic payment and e-commerce systems.
Virtual Reality Worlds & Gaming Expert Profile
MIT-educated electrical engineer with decades of industry experience designing software and electronics including for computer graphics, video games, and virtual worlds.
Database-Backed Website Expert Profile
MIT-educated technology entrepreneur with hands-on engineering experience and wide expertise including in big data and chat and instant messaging protocols.
Digital Signature & Document Expert Profile
Former computer science professor who taught courses in operating system and compiler design and also designed datacom equipment for decades.
Connected Vehicle Telematics Expert Profile
A leader in the field of vehicle-to-everything (V2X) short range communication with decades of focus on ADAS, sensor technologies, and location-based services.
Vehicle Sensor & Electronics Expert Profile
Independent consultant and former professor of technical product management with decades of industry experience in automotive sensors, electronics, and systems.
Naval and Underwater Drones Expert Profile
Consultant with thirty years of software development experience designing products from autonomous underwater robots to cable modems and set-top boxes.
Linux-Based Computer Systems Expert Profile
Former professor of computer science and consultant with specialized knowledge of the internal structure of the Linux operating system.
Space and Satellite Systems Expert Profile
Computer science professor with specialized expertise in RF signals and antennas, GPS, communication satellites, and information security.
Smartphone Software & Apps Expert Profile
Consultant with two decades of experience developing software and mobile apps for Android, Linux, Windows, and real-time operating systems.
Video Encoding & Streaming Expert Profile
PhD electrical engineer and data communications expert with three decades of industry and research experience in DSP, video and image encoding, and data compression.
Fiber Optics and Electronics Expert Profile
MIT-educated electrical engineer, computer scientist, and physicist with two decades of expertise including in network processors, TCP/IP, fiber-optic networks, and VoIP.
Analog and Digital Electronics Design Expert Profile
Electrical engineer with more than thirty years of hands-on experience designing real-time systems and embedded software for commercial and military applications.
DSP and Data Compression Expert Profile
Consultant and professor of electrical and computer engineering with twenty issued U.S. patents on digital signal processing and digital receiver technologies.
Distributed Computer Systems Expert Profile
Computer scientist with over forty years of industry experience in design of computer systems, communications systems, electronics, and software.
Telecom Industry Regulation Expert Profile
Consultant in digital communications with industry-leading expertise in telecom regulation, including the way telephony networks, providers, and users interact.
Penetration Testing Security Expert Profile
White hat hacker specializing in penetration testing and reverse engineering and expert in the design of secure networks and IoT devices.
ASIC FPGA and SoC Design Expert Profile
Consulting computer engineering expert with significant expertise and experience in both software and digital electronics, including design of ASICs, FPGA and SoCs.
DOCSIS Cable Modem Expert Profile
Pioneering cable television and settop design engineer with nearly one hundred patents in broadband and wireless data communications and digital video.
TCP/IP Internet Protocols Expert Profile
Systems engineer with decades of hands-on experience in the design and implementation of Internet-connected products using WiFi, cellular, and other protocols
Autonomous Robot Navigation Expert Profile
Professor and robotics lab director specialized on civilian and military navigation technologies for GPS-deprived scenarios including indoor and underground.
Smart Grid Electrical Power Expert Profile
Director of one university research lab that supports NASA and another that prototypes smart grid / energy, smart roads, and other smart city projects.
Mechanical-Electrical-Software Expert Profile
Engineering consultant with hands-on industry experience in mechanical and electrical design as well as software and firmware development and testing.
Software Process Improvement Expert Profile
Subject matter expert in software quality, data analytics, wireless communications and networking, web technologies, user interfaces, and e-commerce.
Short-Range Wireless Protocols Expert Profile
Professor emeritus and software consultant with experience in every phase of software development who helped standardize short range wireless protocols.
Biotech and Pharma Database Expert Profile
Experienced computer engineer and corporate IT leader with experience in the biotech, pharmaceutical, medical device, and other industries.
Cloud Computing Data Center Expert Profile
A licensed professional engineer in the U.S. and Canada and an engineer with over twenty years of experience in the field of data center design and management.
Battery Chemistry Expert Profile
Electrochemist and materials engineering consultant with thirty years of experience and expertise in all aspects of battery systems and energy storage.
Settop On-Screen Guide & DVR Expert Profile
Embedded computing pioneer with thirty years of experience designing electronics and firmware, notably for DVR-capable satellite TV receivers.
E-commerce SaaS Software Expert Profile
Computer scientist with industry experience managing development of a range of computer systems from e-commerce and SaaS websites to set-top boxes.
Electronics Source Code Review Expert Profile
Computer engineer with fifteen years of experience in all phases of engineering from system architecture to electronics and software design to manufacturing.
System & Software Testing Expert Profile
Prolific author who has trained tens of thousands of engineers in systems testing and has over thirty years of experience in software and electronics testing.
Microprocessor Design Expert Profile
Professor of electrical and computer engineering with years of industry experience in the design of microprocessors for infotainment and multimedia systems.
FPGA and Semiconductor Design Expert Profile
Electrical engineering consultant specializing in the design of microcontroller-based systems, especially embedded control systems utilizing wireless communications.
Communications System Expert Profile
Electrical engineering professor with extensive experience in industry and specialized knowledge in error-correcting codes, image processing, and audio data compression.
Handheld Devices Design Expert Profile
Electrical engineer with two decades of experience in the design of embedded systems with a particular emphasis on the internals of Linux and its filesystems.
Telecommunication Systems Expert Profile
Electrical engineer and consultant in telecommunications, information technology, media, electronics, and e-business with thirty years of industry experience.
Mobile & Wireless Networks Expert Profile
Professor of electrical engineering and an award-winning innovator in the areas of wireless communication systems and mobile networks who has testified as an expert witness.
Wireless Protocols and Standards Expert Profile
Network and wireless technology expert with over thirty years of industry experience who has been significantly involved in multiple wireless standardization efforts.
Wired & Wireless Networks Expert Profile
Career consultant in the field of telecommunications and information services with extensive involvement in the design of major voice and data networks.
FinTech and Bank Software Expert Profile
Experienced developer of high-reliability business computing systems and large-scale software projects, especially in the world of bank technology.
Military Systems Design Expert Profile
Industry veteran and former member of NASA's Super Problem Resolution Team who built or managed the development of over one hundred computer products.
Secure Computer Systems Expert Profile
Electrical engineer with extensive electronics and software product development experience across a broad range of industries and platform architectures.
Cellular Communications Expert Profile
Independent engineering consultant in the design of both electronics and software with a formal education in electrical and mechanical engineering.
A leader in the field of vehicle-to-everything (V2X) short range communication with decades of focus on ADAS, sensor technologies, and location-based services.
Electrical engineer with more than thirty years of hands-on experience designing real-time systems and embedded software for commercial and military applications.
Mechanical and electrical engineering professor with significant expertise in intelligent transportation systems and vehicle dynamics and control.
Computer systems expert with twenty five years experience including in video streaming/coding/processing and the design of AI-enhanced automated video security systems.
Consulting electrical engineer with decades of experience in advanced technology development and project management in automotive and spacecraft electronics.
Professor and robotics lab director specialized on civilian and military navigation technologies for GPS-deprived scenarios including indoor and underground.
Chemist and consultant with four decades of experience in the area of electrochemical energy devices, including batteries, capacitors, fuel cells, electrolysis and corrosion.
Electrochemist, consultant, and materials science professor with extensive experience in research and industry for battery electronics, including manufacturing.
Electrochemist and materials engineering consultant with thirty years of experience and expertise in all aspects of battery systems and energy storage.
Experienced computer engineer and corporate IT leader with experience in the biotech, pharmaceutical, medical device, and other industries.