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 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.

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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
Full Title: 
Experts in Wireless and Cellular Networks

Image and Facial Recognition Expert Profile

Professor of electrical and microelectronic engineering with over thirty years of combined academic, industrial and consulting experience in the fields of computer vision and digital image and video processing. Created and taught a range of academic courses, conducted research on industry and government grants, and served in conference and academic committees. Developed and conducted training for engineering personnel in the areas of signal and image processing, color engineering, and control systems with a distinct focus on digital front ends and print engines.

Internet & Web Technology Expert Profile

Independent computer science consultant and trainer with more than three decades of industry experience. Has specialized technical skill in information security, markup languages, website development, IT certifications, e-commerce, mobile device management, databases, network operating systems, and network communication protocols.

Adaptive Control Systems Expert Profile

Mechanical and electrical engineering consultant and professor with decades of experience in systems for automated industrial control and intelligent transportation. Significant expertise in adaptive control and intelligent transportation systems as well as nonlinear systems, vehicle dynamics and control, marine transportation, and neural networks.

Vehicle Informatics & Safety Expert Profile

Independent consultant and electrical engineer with more than four decades of industry experience. Has significant experience in systems engineering, advanced technology development, enterprise software, strategic planning, and program/project management. Majority of career spent in automotive industry where he developed expertise in vehicle electrical and electronics systems, vehicle informatics systems, and vehicle safety and control systems. Also has experience with spacecraft electronics, communications systems, and mobile information technologies.

Battery Design & Testing Expert Profile

Experienced electrochemist, consultant, and adjunct professor of materials science and engineering. Has extensive experience in research and industry for battery electronics, including new product development, manufacturing and testing, applications engineering, as well as battery system design.

Battery Failure Electrochemistry Expert Profile

Chemist and consultant with four decades of experience in the area of electrochemical energy related devices, including batteries, capacitors, fuel cells, electrolysis and corrosion. Has significant expertise in laptop, cell phone, and e-cigarette batteries, electric vehicles, and other applications of electrochemical energy storage. Expert working knowledge of electronics and laboratory instrumentation as applied to the testing of batteries, chargers, and battery-powered devices.

Satellite & Cellular Base Station Expert Profile

Independent engineering consultant specializing in wireless cellular mobile technology and real-time embedded software development.

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 of software engineering with over 25 years of hands-on experience in speech recognition, artificial intelligence / machine learning, computer vision, 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.

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Expert W425N

A leader in the field of connected vehicle technologies with three decades of focus on accessing...

Expert S416N

Electronics and computer science expert with more than twenty-five years of hands-on experience...

Expert I500N

Mechanical and electrical engineering consultant and professor with decades of experience in...

Expert A536S

Independent consultant and electrical engineer with more than four decades of industry...

Expert M242N

Professor of electrical and computer engineering and robotics with more than a decade of...

Expert Z261T

Chemist and consultant with four decades of experience in the area of electrochemical energy...

Expert V534K

Experienced electrochemist, consultant, and adjunct professor of materials science and...

Expert H620K

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

Expert J525N

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

Expert Q240L

Distinguished electrical engineer, technology executive and broadband industry pioneer and...

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