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The promising spectrum sharing technology used to improve the spectrum usage may cause severe narrowband interference, which seriously degrades the timing synchronization. As noticed that only the auto-correlation based methods have been investigated in the literature, this paper examines the impairment of narrowband interference to the cross-correlation based timing synchronization, to obtain a comprehensive...
Spectrum sharing is promising to improve the efficiency of spectrum usage. However, this technology may incur severe narrow band interference (NBI), which seriously complicates the synchronization problem. This paper investigates the timing synchronization problem in the presence of NBI for the OFDM-based spectrum sharing systems. We consider the cross-correlation based timing synchronization and...
It is well known that Web users create links with different intentions. However, a key question, which is not well studied, is how to categorize the links and how to quantify the strength of the influence of a Web page on another if there is a link between the two linked Web pages. In this paper, we focus on the problem of link semantics analysis, and propose a novel supervised learning approach to...
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