This paper introduces Virtual Information Towers (VITs) as a concept for presenting and accessing location-aware information with mobile clients. A VIT is a means of structuring l...
Alexander Leonhardi, Uwe Kubach, Kurt Rothermel, A...
This paper describes an integrated model for the realization of an Open and Distance Learning (ODL) environment supporting traditional learning procedures, through collaborative le...
CN4011A is IEEE 1394a_2000 standard Compliant Physical Layer ASIC. It is a 0.18um mixed-signal ASIC incorporating three analog ports, PLL, reference generator for analog along wit...
Abstract. In this paper we present a real-world hardware-assisted attack on the wellknown A5/1 stream cipher which is (still) used to secure GSM communication in most countries all...
Abstract. A5/2 is a synchronous stream cipher that is used for protecting GSM communication. Recently, some powerful attacks [2,10] on A5/2 have been proposed. In this contribution...