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.

How can we help you today? >

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

Telecommunications

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. 

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.

Telecommunications Systems Expert Profile

Electrical engineer and consultant with a practice in telecommunications, information technology, media, electronics, and e-business.

Mobile & Wireless Networks Expert Profile

Professor of electrical engineering and an award-winning innovator in the areas of wireless communication systems and mobile networks.

Wireless Protocols Expert Profile

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

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 & Banking Software Expert Profile

Experienced developer of high-reliability business computing systems and large-scale software projects, especially in the world of banking and financial technology.

Cryptography & Encryption Expert Profile

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

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Expert J520S

Long-time independent engineering consultant in the design of both electronics and software in...

Expert K642K

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

Expert S5300

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

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 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...

Don't see the right expert for your project among this subset?

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