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As an RFID application, e-ticket system is evolving as a ubiquitous infrastructure, commonly used for access control to some services like entrance to public transportations or some sports or cultural events. It presents lots of advantages, but brings numerous open issues that need to be addressed. Two open issues we mostly care about are security and cost issues. We propose an RFID security protocol...
A simulation of UWB impulse signals propagation within an indoor non-line-of-sight (NLOS) environment is addressed in this paper. The transmitter and the receiver are placed in two rooms respectively with a concrete wall blocking the line-of-sight (LOS) propagation path. The radiation pattern and the polarization pattern of transmitting/receiving antenna are modelled. The corresponding transient electromagnetic...
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