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With the emergence of ubiquitous computing the role of sensor network is becoming more important which demands highest level security and energy efficiency. In this paper we have investigated the current available solutions and found that none of the solutions are completely meeting the basic security requirements such as authentication, access control, and non-repudiation, etc. Therefore we have...
Ubiquitous location-based services (u-LBS) that can detect the location of objects or people anytime and anywhere and use this as a basis for providing useful services are emerging important services. Location tracking services are applicable in a wide variety of fields such as logistics, security, industrial autonomy, wireless sensor networks and military tracking. There are various location detection...
The sensor network supports data delivery from physical world to cyber space. The sensors get physical events then wireless network transfers sensor data to service server. We use sensor network technology to manage location information of an asset. In ubiquitous computing environment, user localization is basic context for intelligent service. A lot of research groups have made efforts to develop...
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