... on Positioning, Navigation and Communication(WPNC), 2010.[28] J Y. Lee and R. Scholtz. Ranging in a Dense MultipathEnvironment Using an UWB Radio Link. IEEE Journal on Selected Areas in Communications, ... emitted by the car in its integrity. The proce-dure for opening and starting the engine of the car remainsthe same as discussed above.Using the concept of analog up and down conversion al-lows the ... protocol. In SecureComm ’05: Proceedings of theFirst International Conference on Security and Privacy forEmerging Areas in Communications Networks, pages 67–73, Washington, DC, USA, 2005. IEEE Computer...