— An analytical model is proposed to describe the priority schemes of the Enhanced Distributed Channel Access (EDCA) mechanism of the IEEE 802.11e standard. EDCA provides class-b...
Web sites, Web pages and the data on pages are available only for specific periods of time and are deleted afterwards from a client’s point of view. An important task in order t...
Increasingly powerful fault management systems are required to ensure robustness and quality of service in today’s networks. In this context, event correlation is of prime impor...
We present the uPen, a laser pointer combined with a contactpushed switch, three press buttons and a wireless communication module. This novel interaction device allows users to i...
Pairwise key establishment is a fundamental service provided in secure sensor networks. However, due to resource constraints, establishing pairwise keys is not a trivial task. Rec...
Takashi Ito, Hidenori Ohta, Nori Matsuda, Takeshi ...