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For attracting primary users to participate in secondary spectrum market, auction was proposed as an alternative for spectrum trade. Existing auction schemes are either to be single-sided trade which only supports heterogeneous cognitive radio networks without guarantee of bid truthfulness, or to be truthful single-unit auction which only supports homogeneous channels. Few of them comprehensively take all these factors in practical spectrum trade into consideration such as spectrum allocation and reusability, channel diversity and economic property. A Truthful Bilateral Multi-unit Auction with features of supporting Heterogeneous networks(TBMAH) is proposed in this paper. We do experiments with both simulation and real networks, and the results show that TBMAH trades more spectrum resources than TRUST by 13.01% in average.

Dynamic Spectrum Allocation for Heterogeneous Cognitive Radio Networks from Auction Perspective