In the past, home automation was a small market for technology enthusiasts.
Interconnectivity between devices was down to the owner's technical skills and creativity …

Chirp signals have been extensively used in radar and sonar systems to determine distance,
velocity and angular position of objects and in wireless communications as a spread …

Secure and accurate distance measurement between devices is an essential requirement of
many applications, some notable applications being contactless access, tracking, and …

Mobile devices today boast processing power and memory on par with that found in desktop
computers. Wireless connectivity has become much more readily available. Many …

Today, location and proximity information are key to a number of emerging applications.
With the advent of the Internet of Things and autonomous cyber-physical systems, the …

Over the past years, applications that use relative distance estimates between devices have
seen widespread adoption. How devices can establish a notion of distance or relative …

Neighbor Discovery (ND) is an enabler for communication in Wireless Sensor Networks
(WSN). Attacks against ND, notably the well-known and simple to mount wormhole attack …

Rasmussen and Capkun recently presented the first practical realization of an RF-based
distance bounding protocol. By using the technique of Challenge Reflection with Channel …

Motivated by the security and functional limitations of satellite positioning systems, we
explore a design of a Wide-Area Secure Positioning System. The main goals of this system …