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A remote positioning and control system based on SCM and SIM508 was studied and tested in this paper. The experiment results show that the terminal's GPS data was transmitted to monitor and control center by GPRS network. At the meantime, the control information from monitor and control center was transmitted to the terminal by GPRS too. Because of the wide range of GPRS network, this system can position...
"The Marauder's Map" is a magical map in J. K. Rowling's fantasy series, "Harry Potter and the Prisoner of Azkaban". It shows all moving objects within the boundary of the "Hogwarts School of Witchcraft and Wizardry". In this paper, we introduce a similar attack to location privacy in wireless networks. Our system, namely the digital Marauder's map, can reveal the locations...
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