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Dynamic spectrum auction (DSA) is a promising market mechanism to stimulate primary users (PUs) to lease their idle spectrum resources to improve their revenue. In this work, we focus on dynamic spectrum auction design which considers both space and time properties of spectrum. We propose a dynamic spectrum auction platform, where secondary users (SUs)enter a spectrum trading stochastically and spectrum...
Compared with the conventional AF-based single-relay cooperative networks, there is nearly double spectrum efficiency in the AF-based two-path relay cooperative networks. However, there are few channel estimation methods for that. In this paper, we propose this channel estimation scheme. Firstly, we find the necessary channel state information (CSI) based on the FIC (full interference cancelation)...
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