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Recently, mobile social networks in proximity (MSNP) has gained tremendous attentions, which explicitly explores the physical proximity of individuals, and greatly facilitates their face-to-face interactions through direct communications. Generally, Proximity awareness can be enabled with two methodologies: Over-The-Top (OTT), in which the centralized server determines the proximity based on users'...
This paper presents a framework for voice encryption over GSM-based networks. To evaluate the framework, we have designed and implemented prototypes. The prototypes support full-duplex communication and real-time communication. To make the prototypes cheap and simple, the RC4 algorithm is utilized to protect digital of voice. The Bluetooth technology is utilized to communicate between the voice encryption...
In this paper, we are examining the effect Bluetooth® usage has to security practices of students. Results drawn from a study we realized, in a pool of 7172 students in 17 Universities of 10 Eastern and Southern Europe countries, show that there is indeed a statistically significant connection. Namely, Bluetooth® users (who are mostly concentrated in younger student ages) feel mobile phones communication...
There has been growing interest recently in transforming small mobile devices from simple service consumers into service providers. The shift from consumer to provider has been made possible by hardware advances that enable small devices to host services. Combined with features like multihoming, small devices can be augmented with other devices to provide new services that exploit their inherent mobility...
Recent years have witnessed growing interest in using mobile devices to host services. The move from service consumer to service provider has been enabled by advances in mobile device hardware. Many contemporary devices also come equipped with multihoming, which allows a device to connect to heterogeneous networks, such as GPRS, WiFi and Bluetooth. To help leverage these new capabilities, we have...
Applications of 3 dimensional (3-D) virtual reality are now possible on current mobile phones due to the advances in mobile 3-D graphics technologies. However, the user-interface to these applications is generally still limited to the basic phone keypad which detracts from the sophisticated experience 3-D worlds can provide. In this paper we present a solution to this problem which utilizes the accelerometers...
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