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We present a novel pairing-based anonymous credential in the random oracle model. To solve the linear complexity of attributes proof, it is to certify each single attribute in an individual credential, and prove any combination of attributes by aggregating the corresponding credentials into a single one. The BLS signature and BGLS aggregate signature schemes are extended to construct anonymous credentials...
Learning system has changed in various types, process and materials for a long time. The change has a goal to approach increasing learning result and giving convenience to user. Therefore, the system approach case, LMS, LCMS, SCORM have introduced. The user case, adaptive learning, personalized learning and etc have proposed. In this paper, we propose adaptive learning system based on user characteristics...
In recent years, the quantity of teletraffic is rapidly growing because of the explosive increase of Internet users and its applications. The needs of collection, storage, management, analysis, and measurement of the subsequent teletraffic have been emerged as one of very important issues. So far many studies for detecting anomaly teletraffic have been done. However, measurement and analysis studies...
As the positioning technology in mobile networks develops, more and more research is focused on the algorithms. However, the accuracy of key parameters are also crucial, such as reference signal time difference(RSTD) in observed time difference of arrival (OTDOA) method and UE Rx-Tx in the enhanced cell identity (E-CID) method, which are both studied in this paper especially in the heterogeneous networking...
There has been a paradigm shift in the way users interact with computerized systems and applications. This is driven by the increasing power and ubiquity of 'smart' mobile devices and the traction being generated in Cloud-based systems and the long-term evolution in service provision using Software-as-a-Service. These developments are supported by the rapid and far reaching developments in the related...
Wireless Mesh Networks (WMN) which connects among WLANs by wireless link can cover the wide area inexpensively and easily. WMN composed of multiple access points (APs) and gateways (GWs) that are connected each other by wireless links. In WMN, as APs are distributed to network field like a mesh, an AP allocation method affects network performance and cost. In this paper, we propose an AP allocation...
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