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A General Privacy-Preserving Auction Mechanism for Secondary Spectrum Markets

机译:二级频谱市场的通用隐私保护拍卖机制

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摘要

Auctions are among the best-known market-based tools to solve the problem of dynamic spectrum redistribution. In recent years, a good number of strategy-proof auction mechanisms have been proposed to improve spectrum utilization and to prevent market manipulation. However, the issue of privacy preservation in spectrum auctions remains open. On the one hand, truthful bidding reveals bidders' private valuations of the spectrum. On the other hand, coverage/interference areas of the bidders may be revealed to determine conflicts. In this paper, we present PISA, which is a PrIvacy preserving and Strategy-proof Auction mechanism for spectrum allocation. PISA provides protection for both bid privacy and coverage/interference area privacy leveraging a privacy-preserving integer comparison protocol, which is well applicable in other contexts. We not only theoretically prove the privacy-preserving properties of PISA, but also extensively evaluate its performance. Evaluation results show that PISA achieves good spectrum allocation efficiency with light computation and communication overheads.
机译:拍卖是解决动态频谱重新分配问题的最著名的基于市场的工具。近年来,已经提出了许多具有战略意义的拍卖机制,以提高频谱利用率并防止市场操纵。但是,频谱拍卖中的隐私保护问题仍然存在。一方面,真实的竞标揭示了竞标者对频谱的私下估价。另一方面,可以揭示投标者的覆盖/干扰区域以确定冲突。在本文中,我们介绍了PISA,这是一种用于频谱分配的保留和策略防御性拍卖机制。 PISA利用保护隐私的整数比较协议为投标隐私和覆盖/干扰区域隐私提供保护,该协议很好地适用于其他情况。我们不仅从理论上证明了PISA的隐私保护特性,而且还对其性能进行了广泛的评估。评估结果表明,PISA在光计算和通信开销方面达到了良好的频谱分配效率。

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