In 2005, Lee-Lin-Chang proposed a low computation cost user authentication scheme for mobile communication. However, the current paper demonstrates the vulnerability of Lee-Lin-Ch...
DVB-H is the newly standardized extension to DVB-T, aiming at the provision of IP datacasting (IPDC) services to mobile terminals. This tutorial paper outlines the structure of an ...
Migratory interactive services play an important role in supporting mobile users because they allow them to continue their activities across interaction with different devices. Wh...
Signal strength fluctuation is one of the major problems in a fingerprint-based localization system. To alleviate this problem, we propose a scrambling method to exploit temporal d...
This paper presents the design of a text-entry device that requires only four buttons. Such a device is applicable as the text interface of portable machines and as an interface f...