Io T Expert Witnesses

Telecommunications, Geotechnical Engineering - GPS, Cellular Forensics, Criminal Forensics, Mobile Location, Location-Based Services, LBS, Patents, Intellectual Property, Accident Reconstruction, Internet of Things, Data Privacy, Facial Recognition, Phone location; Cell phones, Telematics, Socia Media, IoT, Driverless

David H. Williams is an internationally-known expert in the wireless/mobile location field and President of E911-LBS Consulting. He specializes in mobile/wireless location forensics litigation services and Intellectual Property/patents involving location technologies such as Global Positioning Satellite (GPS) systems, Network-based location systems, IoT, Wireless 911 (E911), and Real-Time Location Systems (RTLS), plus many others. Mr. Williams has successfully provided expert witness services in well over 150 patent, criminal, civil, anti-trust, trade secrets, product liability, fraud, class-action, and ITC cases. His credentials in mobile location goes back to the early 1980s. He has testified successfully in (U.S.) federal district court and other venues 10 times and been deposed over 30 times. Mr. Williams is expert in the full range of location-based services (LBS) applications enabled by these location technologies, including safety, security, and intruder detection/monitor...

Internet, Computers - Intellectual Property, Patents, Networking, Telecommunications, Wi-Fi, Cellular Communications, Wireless, Internet, Mobility, Broadband, Internet of Things, IoT, Cloud Computing, 3GPP, LoRa, Wi-Max, WPAN, TCP/IP, Protocols, Standards, Web Services, API, Big Data, Plastic Optical Fiber, SDN, NFV, SON

Highly experienced networking, communications, computer, and software expert. Awarded 11 patents. Expertise in a broad array of critical technologies including Wi-Fi, Cellular Communications, Networking, Cloud Computing, and Web Services. Diverse software coding experience. MSCS, BSEE, & BSCoE Washington University in St. Louis. Published author. Technical Skills and Knowledge Include: 3GPP and 3GPP2 families of cellular mobile broadband radio access and core network standards, small cells, femtocell, inter-technology handover and roaming IEEE 802.11 (Wi-Fi, mesh, infrastructure), 802.3 (Ethernet), 802.15 (WiMAX), 802.16 (WPAN) families of standards Internet standards and protocols, TCP/IP, UDP, RTP, DHCP, DNS, ARP, GRE, etc. Internet-of-Things (IoT), M2M, LoRa, LoRaWAN, LTE Cat-M, NB-IoT Hotspot 2.0 / Passpoint (for Wi-Fi) IPsec, IKEv2, L2/L3 tunneling, NAT/NAPT (firewall) SAML, SAMLv2 federation; oAuth, oAuth 2.0 authentication; RADIUS, DIAMETER Network & device management, Broa...