Cellular and Wireless Network Experts

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 communications 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.

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The following is a representative subset of Barr Group's experts who have experience designing and/or testifying about these technologies:

Telecommunications

Biotech and Pharma Database Expert Profile

Experienced computer engineer and corporate information technology leader with a successful track record in the biotech, pharmaceutical, medical device, and other industries. Specialized expertise in software development and testing in a variety of languages and with a range of database platforms and languages. Experienced trainer and engaging communicator.

Cloud Data Center Expert Profile

A licensed professional engineer in the State of Arizona and in Manitoba, Canada and an engineer with over twenty years of experience in the field of data center design and management. Has worked as an electrical, network, and data center infrastructure engineer, as well as a program and project manager in related areas. As an independent consultant, he has provided data center design and operations consulting or training to clients on six continents and 28 countries.

Battery Chemistry Expert Profile

Technology consultant with more than thirty years of experience in battery, materials, and control system technology and strong capabilities in all aspects of battery systems and energy storage. Former CEO and CTO with experience in start-up and established corporate environments alike. Demonstrated record of success in conceptualizing new products and leading development teams, establishing advanced manufacturing facilities, and applying fundamental new technologies for cost reduction. In addition, has assisted clients in analyzing catastrophic failure of complex battery

DVR Settop Onscreen Guide Expert Profile

Electrical engineer and embedded computing pioneer with over thirty years of experience designing electronics hardware and low-level software as well as more recent experience with mobile apps for Apple iOS platforms. Extensive experience in the design of data communications systems, including for DVR-capable satellite TV receivers and other set-top boxes. Experience with the software inside standards-based protocols ranges from detailed bit level knowledge of the MPEG transport protocol for video to the full TCP/IP Internet protocol stack. Holds a TS/SCI security clearance.

E-commerce SaaS Software Expert Profile

Computer scientist and executive with experience managing development of a range of computer systems from e-commerce and Software-as-a-Service (SaaS) websites to set-top boxes and electronics kits, including research prototypes through to commercial products and services. Experience from hands-on product development to management, marketing, and venture investment. Also worked as a researcher, software development manager, and technology executive at large companies as well as Silicon Valley startups.

Electronics Source Code Review Expert Profile

<p>Computer engineer with over fifteen years of hands-on experience in all phases of product engineering including system architecture, electronics design, software design and code review, project management, testing, and manufacturing. Areas of specific technical expertise include FPGA and ASIC chip design involving hardware description languages, simulation, synthesis, and timing analysis; printed circuit board electronics design, verification, and debug; embedded software design; and system-level architecture and design.</p>

System and Software Testing Expert Profile

An international leader in software, hardware, and systems testing and a prolific writer in the field of software testing with over thirty years of experience. author of fourteen books that have sold hundreds of thousands of copies around the world and been translated into over a dozen languages. Has delivered consulting services and training to hundreds of clients worldwide, helping to solve the most difficult software quality and testing problems.

Microprocessor Design Expert Profile

Adjunct professor of electrical and computer engineering with years of industry experience in the design of microprocessors for infotainment and multimedia systems, as well as wireless and GPS systems.

FPGA & Semiconductor Design Expert Profile

Electrical engineer and independent consultant specializing in the design of microcontroller-based embedded control systems, especially those with a wireless communications requirement. 

Communications System Expert Profile

Professor of electrical engineering with extensive experience as a technology industry practitioner. 

Pages

Expert H620K

Technology consultant with more than thirty years of experience in battery,

Expert J525N

Experienced computer engineer and corporate information technology leader with a successful...

Expert J520S

Independent engineering consultant in the design of both electronics and software with a formal...

Expert I220K

A licensed professional engineer in the State of Arizona and in Manitoba, Canada and an engineer...

Expert K642K

Professor of electrical engineering with extensive experience as a technology industry...

Expert S530O

Electrical engineer with extensive electronics and software product development experience...

Expert C656T

Computer scientist and executive with experience managing development of a range of computer...

Expert B620S

<p>Computer engineer with over fifteen years of hands-on experience in all phases of...

Expert L555N

Professor of electrical engineering and an award-winning innovator in the areas of wireless...

Expert S536R

Experienced developer of high-reliability business computing systems and large-scale software...

Expert G650N

Internationally renowned cryptographer and security technologist with two decades of industry...

Expert G615N

Electrical engineer and independent consultant specializing in the design of microcontroller-...

Expert G341F

Electrical engineer with two decades of experience in the design of embedded systems with a...

Expert B624L

Adjunct professor of electrical and computer engineering with years of industry experience in...

Expert G524L

Embedded systems industry veteran who built or managed the development of more than one hundred...

Expert F200K

Electrical engineer and embedded computing pioneer with over thirty years of experience...

Expert B420K

An international leader in software, hardware, and systems testing and a prolific writer in the...

Expert L110F

Electrical engineer and consultant with a practice in telecommunications, information technology...

Expert B320S

Career consultant in the field of telecommunications and information services with extensive...

Expert O600R

Computer networking and wireless technology expert with over thirty years of industry experience...

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