The proposed broadcast authentication protocols for wireless sensor networks can be divided into two categories: protocols based on digital signature and protocols based on improv...
Cognitive relays form a special cooperation relationship among users in cognitive radio networks, and help increase the transmission rates of both primary users and secondary user...
— Hydra is a flexible wireless network testbed being developed at UT Austin. Our focus is networks that support multiple wireless hops and where the network, especially the MAC,...
Ketan Mandke, Soon-Hyeok Choi, Gibeom Kim, Robert ...
—Enhanced network services often involve allocating resources (bandwidth/buffer space) preferentially to packets belonging to certain flows or traffic classes. Such services ar...
Kenneth L. Calvert, Srinivasan Venkatraman, Jim Gr...
— Cooperative communications can help combat fading and hence can significantly increase the capacity of wireless networks. Although various schemes have been proposed to levera...