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In cognitive radio networks (CRNs), spectrum trading is an efficient way for secondary users (SUs) to achieve dynamic spectrum access and to bring economic benefits for the primary users (PUs). Existing methods require full payment from SU, which blocked many potential “buyers,” and thus limited the PU’s expected income. To better improve PUs’ revenue from spectrum trading in a CRN, we introduce a...
In cognitive radio networks (CRNs), spectrum trading is an efficient way for secondary users (SUs) to achieve dynamic spectrum access and to bring economic benefits for the primary users (PUs). Unlike the one shot trading designs in previous studies, in this paper, we introduce a financing contract that allows the SU to pay only part of the total amount when the contract is signed, known as the down...
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