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This paper presents a cross-platform solution of smartphone-based mobile sink for wireless sensor networks, named uSink. With a cross-platform SD card, named uSD card, any smartphone with SD interface can be empowered with the capability to communicate with wireless sensor nodes. Furthermore, a middleware on mobile phone, named uSinkWare, is also designed to provide a typical mobile sink's functionalities,...
As SIP (Session Initiation Protocol) has been adapted as a main session control protocols for major SDOs, the volume of Internet telephony has been increased remarkably. Furthermore, the need of VoIP has been extended to the mobile Internet. There are three major smartphone OS; iOS, Android, Windows Mobile. Hence, it is required to implement SIP-based Internet telephony applications to each smartphone...
The area of mobile applications is observing a big shift in its foundation. Traditionally, mobile applications emphasized low power consumption at the cost of low performance. However, the recent spread of “smart” mobile devices (e.g., smartphone) asks for very high computing performance of underlying chips. This paper describes key technical factors - including silicon processing...
This paper presents a S/W test automation for mobile device by using a hardware emulation-based simulator and an event manager. The hardware emulation provides a virtual hardware which enables the entire S/W stack for smartphone to run on execution environment isolated from host operating system. The event manager can capture and playback all events generated from the virtual hardware and the emulated...
Social networking service for mobile devices is presented and evaluated. The operating principle of the service is inspired by human-like cumulative gossiping. The usage of the service is browser based and implementation utilises standard ad hoc communication between smartphones. The cumulative gossiping protocol is built on the service level and on top of the existing ad hoc communication method...
Patients recovering from a cardiac surgery need to undergo regular checkups and physical rehabilitation exercises at their local rehabilitation centers. It is time-consuming and not personalized for each individual. Moreover, the stigma and emotional stress of re-visiting the rehabilitation center for some patients may prove to be more debilitating. With increasing pervasiveness of powerful mobile...
A rapidly growing number of carriers offer wireless video services to their customers, taking advantage of high quality video codecs implemented in dedicated hardware of selected mobile devices. In this paper we introduce a video conferencing software, which seamlessly integrates mobile with stationary users in a provider and device independent fashion. Innovations of this work are twofold. At first...
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