This article proposes a simple key management protocol for the distribution of shared session keys in IEEE 802.11 wireless LANs. For this purpose an individual key for each user i...
Security mechanisms such as firewalls commonly deployed throughout the Internet present serious obstacles to basic usage of Mobile IP. In this paper we describe how IP security me...
Reinhard Ruppelt, Andrei Pelinescu, Cristian Const...
In wireless communication systems, the capacity of a cell (the amount of correctly delivered traffic in unit time) is a precious resource that can not be arbitrarily increased. T...
We describe the design and experiences gained with the database- and web-based document server DOL, which we developed at the University of Leipzig (http://dol.uni-leipzig.de). Th...
Abstract. In this paper we present a system that enhances typical synchronous teleteaching environments. The key idea is to compensate the lack of social awareness and interactivit...