Modem Expert Witnesses

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Modem Expert Witness - Sample Bios

Please Note: All Cahn Litigation expert witness searches are customized to attorneys' precise specifications and preferences. Attorneys are encouraged to discuss search parameters with a Cahn search specialist.

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The below expert witness bios represent a small fraction of those Modem experts known by Cahn Litigation Services. These bios are provided to give attorneys a sense of the Modem landscape.

Expert Witness #212559

This expert received BS and MS degrees in Electrical and Computer Engineering, and a Ph.D. degree in Electrical Engineering. This expert was an R&D Engineer at a technology company where this expert worked on the development of a packet switched satellite modem and several sequential decoders for the decoding of convolutional codes. This expert joined the faculty of the School of Electrical Engineering at a prestigious university as an Assistant Professor; this expert was appointed to Associate Professor, with tenure, and was a Full Professor. This expert taught courses in digital communications, error control codes, information theory, detection and estimation theory, digital systems and audio engineering. This expert's current research interests include: information, coding and communication theory, algorithms for digital communications, coding for computer memory systems, signal processing and error-control in optical and magnetic recording systems, audio and video signal compression, algebraic geometric coding theory and symbolic and numerical computer methods. This expert has been an active member of the consulting community. This expert has worked on problems of digital HDTV and cable TV transmission, DSP and hardware based trellis coded modems, modulation and error-control for optical LANs, and modulation and coding for recording systems. This expert is the inventor on several patents. This expert is the founder and chief scientist for a digital communications company. This expert was the CEO and Principal Scientist a fabless semiconductor company specializing in physical-layer communications with a particular expertise in forward error correction (FEC). The technology is vital in: high-speed wireless networking (IEEE 802.11/WiFi), cable modem, digital-TV, digital subscriber line and satellite/terrestrial wireless. This expert has received an Award from the National Science Foundation (NSF) and is an active member of IEEE. This expert has extensive litigation experience both in district court and in IPR.

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Expert Witness #222852

This expert has extensive experience in the design of both cable modems and traditional telephony modems, having started the IEEE standards committee for cable modems, later to become the DOCSIS standard currently used. This expert has been successfully creating advanced data products, including an early desktop computer, wireless LANs, cable modem, ADSL systems, home networking products, and VoIP transport products for a technology consulting firm. This expert is the named inventor of several important patents relating to bandwidth allocation in the controlling of packets in the Data over Cable (CableTV) application as well as voice purposes. This expert has also helped to develop various wireless standards which use packet fragmentation and reassembly and bandwidth allocation and taught several courses in the technology. No stranger to the litigation process, as an expert witness this expert has been deposed and testified at trial in several large patent infringement suits. This expert also has participated in several litigations of the cable modem.

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Expert Witness #248826

This expert brings to the table many years of experience in the industry, in both business management and engineering. This expert holds fourteen patents, has authored several technical publications, and holds Bachelor's and Master's degrees from a prominent engineering school. This expert is both a seasoned high tech executive and a prolific individual innovator. Specializing in real time embedded systems, digital signal processing (DSP), sensor data acquisition, and data communication, wired, RF and cellular, this expert's strength is a multi-disciplinary, system-oriented view, which ties such elements together in the best way possible. This expert's clients' market focus is typically manufacturing automation, data acquisition systems, SCADA, robotics, and machine-to-machine communications. Typical examples of projects include:

-  Defined requirements and costs of a power line modem/control system-on-chip for building automation and prepared the business case for the client's development program.
-  Helped improve performance of the control LAN protocol used in a new industrial I/O product.
-  Devised methods for "mission impossible" telemetry which operates reliably under demanding conditions.
-  Defined SCADA and communications architecture for a new sensor product.
-  Built and demonstrated a prototype car-to-car radio network providing collective, cooperative cruise control based on speed and status of vehicles ahead.

From unique data communications systems to factory automation, this expert's solutions help clients reduce time-to-market and development costs, improve the R&D process, and use new technology to their best advantage. This expert has limited prior litigation experience and has not yet had the opportunity to testify.

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Expert Witness #252638

This expert earned a Ph.D. in Electrical Engineering and is currently a Professor. This expert's OFDM experience reaches back many years where this expert proposed and analyzed the use of OFDM in mobile radio systems. This was the first application of OFDM to wireless systems and has been the basis for much of the current widespread work in this area. Later, this expert invented, analyzed and built a 20-Mbps packet-based wireless modem using clustered OFDM. This expert studied the effect of channel mismatch on adaptive modulation for OFDM for wireless applications, invented and analyzed techniques for robust channel estimation and peak power reduction in OFDM, and invented and analyzed solutions to both the physical layer and MAC layer challenges for providing high-bit-rate packet data to wide-area cellular users, using OFDM. This expert has given numerous tutorials at IEEE conferences and workshops on High-Speed Wireless Data and OFDM for Wireless Communications. This expert is widely patented and author to a plethora of journal and conference papers on OFDM-related topics.

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Expert Witness #258984

This expert is an IEEE Fellow and is involved in the 802 LAN/MAN Standards Committee (LMSC). The LMSC has about 2000 members that complete at least 10 Standards projects per year while engaged in about 50 concurrent standards development activities in the crucible of a highly competitive, yet consensus driven environment. As an expert in the technical details of the IEEE 802.11ac-2013 and the subsequent incorporation of the amendment into the current version of the base standard:

-  This expert is an expert on how the standard was developed from inception to completion
-  This expert is an expert on the IEEE standardization processes, patent policy and creation, oversight and implementation
-  This expert is familiar with the processes in the ITU, ISO/IEC, 3GPP and IETF along with the many alliances (e.g., Wi-Fi Alliance) surrounding the Standards

This expert co-founded a broadband company and was Vice President of Technology and Standards. The team invented and produced carrier-class next-generation Cable Modem Termination Systems. This expert was a co-founder and Vice President of Engineering at a company specializing in developing high performance modems for SD and HD digital video and high-speed data systems. This expert held technical positions of increasing responsibility at multiple communications & medical imaging technology companies. This expert received a BS in Electrical Engineering & Biology and an M.S. in Biomedical Engineering.

While this expert has provided expert intellectual property analysis for several firms on several cases, this expert has never been called to be a witness.

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Expert Witness #263055

This expert has provided technical expertise in several matters related to patent, copyright, and trade secret issues, and has provided software analysis expertise and litigation support on over 50 District Court and ITC cases. A typical case requires static analysis of thousands of lines of source code, comprising complex software systems, in a variety of computer languages, including: C, C++, C#, Java, JavaScript, Kotlin, Objective-C, Perl, PHP, python, React, Swift, shell, Tcl/Tk, TypeScript, XML.

This expert recently worked on a project where this expert captured and analyzed detailed network tracing of several Android, iOS, and desktop devices. The analysis involved network packet and HTTP payload investigations, and the correlation of the analysis with the produced source code. A detailed report was presented to counsel, summarizing the traced scenarios, analysis, and provisional conclusions. This expert also analyzed the cellular modem software, as implemented in C and C++, of a major public company's offering (the project spanned 15 months). This expert also analyzed and opined on the Python source code comprising the media server backends of two other large public companies.

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Expert Witness #255791

This expert designed Wireless interference Testing Intelligences and simulation studies for 5G, LTE-A, VoLTE, Wi-Fi, Bluetooth, avionics GPS and Iridium, IoT, and more. This expert is a Consulting Engineer where this expert has considerable litigation, expert testimony, and expert consulting experience.

This expert has extensive experience in wireless and embedded systems design for the avionics and aerospace, public safety, consumer, cellular, medical devices, and semiconductor industries. This expert was the Consulting Engineer and Wireless SME for an android-based Wi-Fi Infusion Pump. This expert was Principal Systems Engineer, involved in Graphical Flight Planning techniques and SATCOM and worked on airliner electric power generation systems.

This expert has experience in many aspects of Secure Land Mobile Radio, Cellular Subscriber and Infrastructure, WiFi, and Cordless technologies. There this expert had assignments of SW architect, DSP Instructor and Team Lead, Patent Committee Member as both an inventor and as a practitioner, Modem and FPGA chief architect, and in International Business development.

This expert was a Principal Engineer, working on chip designs for cordless and CDMA phones. This expert was appointed faculty teaching CDMA and communications theory.

This expert is the named inventor on twenty issued US utility patents covering cellular, public safety radio, and cordless technologies, was awarded a BSEE degree, and is a registered Professional Engineer. Further, this expert is admitted to the Patent Bar and is licensed to practice before the U.S. Patent and Trademark Office.

This expert is the recipient of several industry awards.


• Professional Engineer

• Agent, U.S. Patent and Trademark Office

• Commercial Pilot, Instructor Pilot, Ground Instructor, Remote Pilot.


• Senior Member, Institute of Electrical and Electronics Engineers.

• IEEE ComSoc and EMC societies.

• Experimental Aircraft Association.

• Aircraft Owners and Pilots’ Association.

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Expert Witness #219930

This expert is Distinguished Professor of Electrical Engineering at a University where this expert specializes in teaching Digital Communications Systems and Wireless Networking. This expert has many years of leadership in the communications and networking industry. Most recently, this expert was Chief Technology Officer of a venture funded networking company. Previously, this expert was at a telecommunications company performing and leading pioneering research and development in digital communications, broadband networking, and wireless systems. After retiring from industry, this expert was visiting professor of Electrical Engineering at an Ivy League School, where this expert supervised several doctoral students and research projects.

This expert is a member of the National Academy of Engineering, a Fellow of the IEEE, and has co-authored a textbook, published ~100 papers and holds 43 patents (with 6 pending).

This expert has conducted and led research and development that has resulted in many innovative products, including: a 20 gigabit/sec ATM switch, wire-speed and quality of service-aware IP switches, multicode CDMA (used in 3G HSDPA wireless data), and a broadband wireless system based on advanced smart antennas (MIMO). Earlier in this expert's career, this expert led the team that pioneered V.32/V.34 voice-band modems, and was co-inventor of DSL. This expert was instrumental in launching an early DSL chip vendor.

This expert received a Bachelor's degree with honors in Electrical Engineering, and Masters and Doctor of Engineering Science degrees in Electrical Engineering.

As an experienced expert witness in litigation involving wireless technologies, this expert has been deposed eight times, testified five and wrote countless expert reports.

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