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Wireless personal area network (WPAN) is small-ranged network centered at an individual for interconnecting personal devices. For such a network, the bootstrapping mechanism with which the devices establish a secure group key is of critical importance. Most existing bootstrapping mechanisms require out-of-band channels and involve human interactions for authentication. In this paper, we aim to develop...
D2D communications facilitate proximal devices to directly communicate with each other, bypassing cellular base stations or access points, and bring many benefits such as improvement in both spectral efficiency and energy efficiency. Among existing D2D enabling techniques, the recently released WiFi Direct is one promising protocol that offers high data rate D2D communications in local areas. However,...
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