See Through Walls With Wifi Pdf

British engineers from university college london have developed a passive radar system that can see through walls using the wifi signals generated by wireless routers and access points.

See through walls with wifi pdf. Wi fi signals are typically information carriers between a transmitter and a receiver. Wi fi signals are typically information carriers between a transmitter and a receiver. Wi vi limits itself to a 20 mhz wide wi fi channel. The objective of this paper is to enable a see through wall tech nology that is low bandwidth low power compact and accessible to non military entities.

To this end the paper introduces wi vi 2 a see through wall device that employs wi fi signals in the 2 4 ghz ism band. In particular we can use such signals to identify the number of people in a closed room and their relative locations. In this paper we show that wi fi can also extend our senses enabling us to see moving objects through walls and behind closed doors. We can also identify simple gestures made behind a wall.

See through walls with wi fi by fadel adib submitted to the department of electrical engineering and computer science on may 22 2013 in partial fulfillment of the requirements for the degree of master of science in computer science and engineering abstract wi fi signals are typically information carriers between a transmitter and a receiver. Wi fi signals are typically information carriers between a transmitter and a receiver.