Networks, Data Communications, and Telecommunications

Network management and monitoring (one patent)
  • Operations support systems and provisioning
  • Communications convergence engines for diverse services and technologies
  • Operations support and provisioning systems
  • Network planning, including national, local, and international
  • Data networking and communications (one patent, several papers)
    • TCP and other protocols
    • Network management platforms (HP OpenView, SNMP)
    • Switching systems, including for asynchronous transfer mode (ATM)
    • Congestion control methods
    • Local area network technologies
    • Asynchronous transfer mode (ATM) for broadband
    • Switching for data communications
  • Telecommunications:
    • Call routing and call control
    • Long distance and local call switching
    • Switching for mobile communication networks
    • International signaling for call management
    • Overload controls in call and connection setup management
    • Replicated databases for call routing in mobile telecommunication networks (published paper)
    • Signaling System 7 (SS7)
    • Call center management (one patent)

Industrial Control and Related Systems

  • Conveyor belts and materials handling systems 
  • Positive Train Control and European Train Control System (ETCS
  • Railway signaling
  • Building monitoring and surveillance, including fire alarms, building management systems, including environmental, HVAC, and heat control
  • Image collection, processing, and retrieval systems
  • Industrial data analytics for monitoring and intervention in industrial, transport, and power generation systems

Performance Modeling and Simulation

  • Automated tools for analyzing load testing output (one paper, three patents)
  • Performance modeling packages (analytical)
  • Simulation packages and optimization packages for decision support
  • Automated tools for translating simulation models into analytic models (conference paper)
E-Commerce and Web-Based Systems
  • Load testing tools (conference paper)
  • Load balancing technologies and policies for replicated databases, call centers, data communication networks, and web-based systems
  • Applications of OR techniques to business and automation processes
  • Web-based systems for financial services, e-commerce, and other applications, including the architecture of application servers
  • Service-oriented architectures
  • System measurement and monitoring tools
  • Configuration sizing and modeling tools
  • Performance modeling tools
  • Client-server systems
  • Indexing systems and content delivery