One of the most evident characteristics of an ad hoc ubiquitous computing environment is the dynamism of connections. Due to the mobility of nodes, paths between communicating pee...
We define adaptability as the capacity of software in adjusting its behavior in response to changing conditions. To list just a few examples, adaptability is important in pervasiv...
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...
Recently, WiMAX has been proposed as an attractive wireless communication technology for providing broadband access for metropolitan areas. Despite its salient features from the t...
Current standardization efforts aim towards a unifying platform for fixed and mobile telecommunication services. The IP multimedia subsystem is advocated as the candidate for buil...
Andreas Klenk, Michael Kleis, Benoit Radier, Sanaa...