David Hilliard Williams is an internationally-known expert in the wireless/mobile communications field and President and Founder of E911-LBS Consulting. He specializes in wireless location product and technology development and implementation, as well as mobile location expert witness IP/patent and forensics litigation services involving technologies including Global Positioning Satellite (GPS) systems, Beacon-based systems, Network-Based location determination technologies (TDOA, Cell ID, ECID, AFLT, and others), Wireless 911 (E911 and NG 911), Real-Time Location Systems (RTLS), Radio Frequency Identification (RFID), location-enabled WiFi positioning systems (WPS), Radio Frequency Pattern Matching (RFPM), Bluetooth Low Energy (BLE)/Beacon-based location systems, Ultrawideband (UWB) location systems, Wearable tags/sensor tracking systems, Near Field Communications (NFC), Zigbee, 4G LTE-based and forthcoming 5G location systems, and their various hybrids and combinations. He is also a leading expert in location technology issues in the emerging Internet of Things (IoT) and driverless car fields.
Mr. Williams has deep expertise in the full range of business and consumer location-based services (LBS) that utilize these technologies, including navigation, telematics, fleet management, mobile local search, asset management, mobile resource management, supply chain management, family tracking, mobile social and business networking, proximity-based entertainment & leisure, mobile gaming, mobile Point-of-Sale (POS), intelligent transportation systems, safety and security, and other location-aware applications. Mr. Williams has very extensive expertise in all aspects of LBS delivery across the wireless location ecosystem including enabling network, map data, geospatial platform, chipset, data management, device, and infrastructure and integration providers.
Mr. Williams has developed and implemented industry-leading product and technology strategies and solutions for numerous LBS applications and markets and provides consulting and research services to some of the leading carriers and enterprises in the U.S., Asia, and Europe. He has provided expert witness services and expertise in over 45 Intellectual Property/Patent, anti-trust, and International Trade Commission cases, resulting in numerous successful conclusions/settlements. Mr. Williams also provides location-forensic and analysis services in relation to cellphone/GPS tracking/tracing/ monitoring devices and associated systems.
With over 100 projects in mobile communications and information technology solutions design, selection, implementation and ongoing management, Mr. Williams has extensive experience in the activities and issues needed to get applications to market, including planning and design at the application, system, interface/integration, network, IT, operational and customer facing levels. Mr. Williams has been published and quoted by leading magazines and newspapers about location-related services, including The New York Times, CBS News.com, The Boston Globe, Computerworld, Directions Magazine, Mission Critical Communications, Popular Mechanics, and RFID Journal. He has authored five books on wireless location, including The Definitive Guide To RFID, Wi-Fi, BLE, UWB, Ultrasound, Infrared, and Other RTLS and Beacon Technologies (available March 2017),The Definitive Guide to GPS, RFID, Wi-Fi, and Other Wireless Location-Based Services (two versions), The Definitive Guide to Wireless E911, and (co-authored) The Definitive Guide to Mobile Positioning and Location Management. Mr. Williams has published numerous research reports and dozens of location-related articles, and tracks and analyzes leading companies in the LBS industry, particularly with respect to their product and technology strategies, competitive capabilities and implementation issues. He is expert on all public policy and technology issues related to emergency services/public safety, location data privacy and security, and LBS privacy protection policies, systems, and support infrastructure.
Wireless 911(also known as E911, or Enhanced 911) is the technology that allows emergency dispatchers know the location of 911 calls coming from cell phones. This technology has been rolled out in the U.S. by wireless carriers under a mandate by the Federal Communications Commission, and is being persued in other countries as well.
While obviously a desireable technology, particularly in today's security-concious environment, the rate at which this technology is fully adopted is dependent upon many factors, including carrier technology, regulatory deadlines, PSAP (Public Safety Answering Point) readiness, funding and cost-recovery mechanisms, and many others. The accuracy and utility of 911-type services is dependent upon the location determination technology employed by a carrier during an emergency call, as well as the capabilities of the emergency responder to utilize the location information associated with that call.
The late 1990s U.S. mandate by the FCC have essentially been fully met; key parties are now exploring the potential of Next Generation 911 (NG911) to accomodate the additional types of emergency-related information now widely available (e.g. text, video) and greatly improve interoperability between various types and location of first responders and another emergency entities. In addition, a new (2015) mandate by the FCC improves/increases accuracy requirements that has put new focus on indoor location technologies in particular.
Location-Based Services (LBS)are the commercialization of location determination technologies such as GPS via applications that provide additional value-add to consumers, such as navigation services, finding the location of friends and family, and searching for local landmarks and services. For businesses, it includes such services as mobile field force management for managing field workers such as repair technicians and sales persons; fleet managment applications for mananging trucking and delivery services; and mobile asset management to track and manage mobile assets ranging from railroad cars to hospital equipment.
The value-add for LBS applications can include convenience, peace-of-mind, entertainment, networking/personal connectivity, productivity improvement, cost reduction, and revenue enhancment among many others. The uses of location services are almost limitless: if someone or something moves in the context of seeing, using, or doing something, then an LBS app can nearly always be developed to help.
While there are many issues associated with the development and deployment of location-based services, the largest one that remains unresolved is the protection of location information. There is currently little in the way of regulations or case law that determines how location information can be collected and used, so it is up to individual companies to determine how they want to protect and utilize that information. This is resulting in a wide variety of location data privacy policies and practices, most trending towards collecting and using this information in whatever way possible, and away from ensuring the protection of that personal location information.
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