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Many museums have been digitalizing their collections and disseminated them to the world through the Internet. On the other hand, cloud computing and mobile communication technologies will further enhance the penetration capability of digital information, enabling mobile users surfing the wave of information world at anytime and anywhere. Nevertheless, both technologies have their own limitations,...
This paper presents an intelligent bus system and services with the force of the masses to provide real-time bus information. Consider that while waiting for buses on the road, we often have no idea about how long we have to wait for, or which bus we can take for a destination. The information that we can get is quite limited, this situation which motivates us to design and develop a real-time bus...
When a catastrophic natural disaster occurs, the efficiency of disaster response operation is crucial to life saving. However, communication systems, such as cellular networks, were usually crashed due to various causes that made coordination difficult for many disorganized disaster response workers extremely. Unfortunately, rapid deployment of many existing emergency communication systems relies...
This paper presents the design and implementation of a software system which provides location tracking and messaging services for mobile group communication in IP networks. This system architecture consists of central tracking, handheld tracking, handheld messaging and Web-based administration subsystems. After prototype development and demonstration, the system is able to offer mobile users a variety...
The advent of ubiquitous IP networks enables users to freely move and continue network services anytime, anywhere by means of mobile handheld devices. This paper exploits network ubiquity and advanced device capability to develop a novel mobile group communication system. Our work presents the design and implementation of a proof-of-concept software system. This system architecture consists of four...
Entering and leaving of random peers will result in great variance of data availability in P2P networks, especially when multimedia streams require high priority to the immediate playback data. All peers must be able to receive the complete video segment before that playback. This requirement becomes more critical in mobile and wireless network environments where mobile peers have high frequency to...
This paper proposes a secure mobile content delivery architecture in an integrated, hybrid network environment. Its design comprises device discovery, asynchronous content delivery, secure access control and virtual file system with dynamic reference mapping mechanisms, which are able to alleviate several inherent limitations in wireless and mobile networks. It thus enables mobile handheld devices...
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