— Opportunistic communication allows humans equipped with mobile devices to exchange information via a wireless link whenever they are nearby. This work examines the performance ...
Null data frames are a special but important type of frames in IEEE 802.11 based Wireless Local Area Networks (e.g., 802.11 WLANs). They are widely used for power management, chan...
Wenjun Gu, Zhimin Yang, Can Que, Dong Xuan, Weijia...
In large-scale, self-organized and distributed systems, such as peer-to-peer (P2P) overlays and wireless sensor networks (WSN), a small proportion of nodes are likely to be more c...
Comparing with the classical barcode system, RFID extends the operational distance from inches to a number of feet (passive RFID tags) or even hundreds of feet (active RFID tags)....
Building a campus-wide wireless LAN measurement system faces many efficiency, scalability and security challenges. To address these challenges, we developed a distributed Wi-Fi sni...