We report the results of an exploratory 8-day field study of CrossTrainer: a mobile game with crossmodal audio and tactile feedback. Our research focuses on the longitudinal effec...
In this paper security requirements and security architecture for 4G systems are presented with the consideration of Trusted Computing (TC) for mobile equipment (ME). The security...
DVD menus often miss out on usability and are complex and difficult to navigate through. One of the main problems is the lack of design standards. By conducting an expert walkthro...
We present a study investigating two novel mobile services supporting querying for information in the urban environment using camera equipped smart phones as well as two different...
Mobile phone users have to deal with limited battery lifetime through a reciprocal process we call human-battery interaction (HBI). We conducted three user studies in order to und...