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While 4G is speeding up its steps toward global markets, 5G has initiated its full development to satisfy an increasing demand on mobile data traffic and big data bandwidth. Centralized data processing, collaborative radio, real-time cloud infrastructure, and cloud radio access network (C-RAN), along with their excellent advantages are being sought by more and more operators to meet end-user requirements...
Cloud computing has got attention of telecommunications operators as a potential cost saver, because it enables sharing computing resources within network infrastructure and between operators. The concept of Telecommunications network as a Service (TaaS) has been proposed as a renovation direction of mobile operators. However, information security which is one of the major challenges of the cloud...
Trustworthy personal data access control at a semi-trusted or distrusted Cloud Service Provider (CSP) is a practical issue although cloud computing has widely developed. Many existing solutions suffer from high computation and communication costs, and are impractical to deploy in reality due to usability issue. With the rapid growth and popularity of mobile social networking, trust relationships in...
Individual mobility is a popular research topic in mobile communications. One interesting question is: is the movement of human-beings independent although they may not want to follow with each other? This paper explores the phenomenon of group movement by analyzing the traffic variance among cellular base stations. We find that the entropy of group movement is less than the sum of individual's and...
Trust is crucial in mobile communications. How to establish a trusted mobile environment is becoming more and more important for mobile device venders, mobile service providers and mobile networking operators. This paper presents a conceptual architecture towards establishing a trusted mobile environment. The contribution of this paper is a) specifying the architecture of a trusted mobile environment;...
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