Patent ID: 8909194
Filing Date: 2014-12-09
Classification: H04L,H04W,Y04S

Abstract:
1. A method of operating a first device to authenticate a portable wireless device, the method comprising: with the first device, selecting a pattern of physical movements from among a set of patterns or randomly generating the pattern of physical movements and prescribing the selected pattern to the portable wireless device by communicating wirelessly, via an antenna of the first device, with the portable wireless device to provide to the portable wireless device pattern information indicating the pattern of physical movements; analyzing signal information obtained from the antenna to determine, by the first device, whether the portable wireless device has been physically moved with movements that match the pattern of physical movements prescribed by the selected pattern; and wherein when it has been determined that the portable wireless device has been physically moved according to the pattern of physical movements then the portable wireless device is determined to have been authenticated, and wherein when it has been determined that the portable wireless device has not been moved according to the pattern of physical movements then the wireless device is determined to have not been authenticated, and wherein pattern information provided to the first device comprises information configured to be used by the first device to display or play a description of the pattern of physical movements.