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In this paper, a TDMA-based protocol for exchanging spectrum data information and forming cluster structure is proposed in hierarchical spectrum sharing network (HSSN), by which spectrum information such as spectrum identification and classification are exchanged and local control channel is established. Moreover, an easy-to-implement multi-channel access-based clustering protocol is also proposed,...
This paper firstly analyzes the impact which clustering and non-clustering structure is on sensing spectrum expenditure. Furthermore, the reason that clustering structure is adopted in hierarchical spectrum sharing network is also illustrated by numerical simulation. Secondly, a clustering algorithm, which can reduce detection expenditure, is proposed based on the similarity of the spectrum in such...
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