Alexander Resources

4G Expert Witness and Litigation Support Services

Alexander Resources offers expert witness testimony, consulting, and analysis of cellular, mobile and wireless technologies, networks, spectrum, standards, products and services.

Other Expert Witness Services focus on:
Cell Phones
Cell Phone Records, Billing and Usage
Mobile Phones
Smart Phones
Radio Spectrum
Telephone Consumer Protection Act (TCPA)

4G (Fourth Generation) Mobile Networks

Our work in 4G (IMT-Advanced) technologies, systems and standards began in 2003. This work has included consulting projects, expert witness engagements, patent analysis projects, research reports, and seminars. As a result, we have developed an in-depth knowledge and understanding of nearly every facet of 4G. This includes:

  • Long Term Evolution (LTE) Advanced
    • Third Generation Partnership Project (3GPP) standards
    • Network Technologies & Architectures
      • Evolved Packet System (EPS)
      • Evolved Packet Core (EPC)
      • Evolved Universal Terrestrial Radio Access Network (E-UTRAN) and Advanced E-UTRAN
      • Evolved Universal Terrestrial Radio Access (E-UTRA) and Advanced E-UTRA
      • Generic Authentication Architecture (GAA)
      • IP Multimedia Subsystem (IMS)/IP Multimedia (IM) Core Network (CN)
      • System Architecture Evolution Specification (SAES)
      • Radio Technologies
        • Orthogonal Frequency-Division Multiplexing (OFDM), Orthogonal Frequency-Division Multiple Access (OFDMA), Discrete Fourier Transform Spread OFDM (DFTS-OFDM/“Single-Carrier FDMA”), Interleaved FDMA and Multi-carrier code division multiple access (MC-CDMA)
  • WirelessMAN-Advanced (IEEE 802.16m)
    • IEEE 802.16m standards and WiMAX Forum specifications
    • Network Technologies & Architectures
      • Access Service Network (ASN)
      • Connectivity Service Network (CSN)
      • Advanced Base Station (ABS)
      • Advanced Mobile Station (AMS)
      • Advanced Relay Station (ARS)
      • Femto ABS
    • Radio Technologies
      • Orthogonal Frequency Division Multiplexing (OFDM) and Orthogonal Frequency Division Multiple Access (OFDMA)
  • 4G Spectrum Use, Management and Availability
  • 4G Terminals & Phones
    • Architecture, functions, Operating Systems/OS, Graphical User Interfaces (GUI), text input, SIM cards, USIM cards, UICC smart card, activation, registration, authorization, Web browsers, filters and access control
  • 4G Applications & Services
    • Multimedia Messaging Service, video chat, mobile TV, High definition TV content, DVB
    • Systems, methods, practices, standards and technologies used to manage, store, generate, send, and receive voice, text, MMS and SMS messages
  • Alternative Wireless Voice and Data Networks
    • Including WiMAX 802.16x, Mobile WiMAX, and DVB-H
  • 4G Billing and Charging Systems including usage information (Charging/Call Data Records - CDR), usage collection, rating, charging, call event, accounting and billing
  • 4G LoCation Services (LCS) and Positioning methods (/locating methods)
  • 4G Market Forecasts and Analysis (subscribers, sales and shipments)
  • Competitive analysis (carriers/operators, manufacturers, developers, distributors, resellers)

Previous 4G expert witness engagements have addressed:

  • Network, system, product and technology analysis (from a technical, functional, & market/industry and competitive perspective)
  • Examination of network, system, product and technology quality, defects, repair and warranty issues
  • 4G patent analysis & research
    • Technical review and analysis of patent claims, preparation of claims charts and validity and infringement opinions
    • Defend and counter claims of infringement
    • Identify infringing technical standards and the systems that incorporate these standards
    • Identify infringing patents and products
    • Patentability Evaluations
    • Portfolio Analysis
    • Entire market value rule (EMVR) analysis
    • Product value apportionment analysis
  • Business management, practices & operations
    • Contracts
    • Sales, marketing and distribution agreements
      • Dealer and distributor relationships and agreements
    • Royalty calculations & payments
    • Supplier agreements
    • Purchase orders and purchase agreements
  • Confidentiality of trade secrets, customer lists, business plans, new & proprietary products and services
  • 4G product & technology licensing and agreements
    • Joint development agreements
    • Product development agreements
      • Product specifications
Our Expert Witness and Litigation Support services include:
  • Expert testimony, reports and depositions
    • Testifying with exhibits and preparation of the attorney's material, questions and cross examination
  • Reviewing opposing expert reports, testimony and depositions
  • Assisting in the review, interpretation and understanding of relevant evidence, information and its accuracy
  • Industry, business and technology tutoring and counseling for attorneys and courts
  • Determining the facts of a matter and suggesting case strategy
  • Evaluation of pretrial discovery
  • Preparation of questions in technical matters for depositions
  • Discovery investigation and consulting for interrogatories, depositions and trial
  • Articulating the underlying technologies, systems, processes, methods and their accuracies and limitations

  For a confidential review of your requirements, please contact Carol Smyth at 972-818-8225 or via e-mail at

Our Expert Witness and Litigation Support Services are headed by Jerry Kaufman, the president of Alexander Resources. In addition to managing all expert witness engagements, he directly manages the research and production of all expert reports and testimony. He personally testifies at trial and depositions.

Please refer to Mr. Kaufman's biography for additional information on his background and capabilities.

For a confidential review of your requirements, please contact Carol Smyth at 972-818-8225 or via e-mail at

Home | About Us | Consulting Services | Seminars | Reports | Clients | Contact Us | Links | News

© 1997 - 2014 Alexander Resources