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首页> 外文期刊>IEEE Transactions on Cognitive Communications and Networking >Negotiable Auction Based on Mixed Graph: A Novel Spectrum Sharing Framework
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Negotiable Auction Based on Mixed Graph: A Novel Spectrum Sharing Framework

机译：基于混合图的可协商拍卖：一种新颖的频谱共享框架

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摘要

Auction-based spectrum sharing is a promising solution to improve the spectrum utilization in 5G networks. Along with the spatial reuse, we observe that the ability to adjust the coverage of a spectrum bidder can provide room to itself for further negotiation while auctioning. In this paper, we propose a novel economic tool, size-negotiable auction mechanism (SNAM), which provides a hybrid solution between auction and negotiation for multi-buyers sharing spectrum chunks from a common database. Unlike existing auction-based spectrum sharing models, each bidder of the SNAM submits its bid for using the spectrum per unit space and a set of coverage ranges over which the bidder is willing to pay for the spectrum. The auctioneer then coordinates the interference areas (or coverage negotiation) to ensure no two winners interfere with each other while aiming to maximize the auction’s total coverage area or revenue. In this scenario, the undirected graph used by existing auction mechanisms fails to model the interference among bidders. Instead, we construct a mixed interference graph and prove that SNAM’s auctioning on the mixed graph is truthful and individually rational. Simulation results show that, compared with existing auction approaches, the proposed SNAM dramatically improves the spatial efficiency, hence leads to significantly higher seller revenue and buyer satisfaction under various setups. Thanks to its low complexity and low overhead, SNAM can target fine timescale trading (in minutes or hours) with a large number of bidders and requested coverages.
机译：基于拍卖的频谱共享是提高5G网络频谱利用率的有前途的解决方案。除了空间复用之外，我们还发现调整频谱竞标者的覆盖范围的能力可以为其自身提供空间，以便在拍卖时进行进一步的谈判。在本文中，我们提出了一种新颖的经济工具，规模可协商的拍卖机制（SNAM），它为共享通用数据库中的频谱块的多名购买者提供了拍卖与协商之间的混合解决方案。与现有的基于拍卖的频谱共享模型不同，SNAM的每个竞标者都使用每单位空间的频谱和一组竞标者愿意为频谱支付的覆盖范围来提交竞标。然后，拍卖师会协调干扰区域（或覆盖范围协商），以确保没有两个获胜者相互干扰，同时力图使拍卖的总覆盖区域或收入最大化。在这种情况下，现有拍卖机制使用的无向图无法对投标人之间的干扰进行建模。相反，我们构造了一个混合干扰图，并证明SNAM在该混合图上的拍卖是真实且具有个人理性的。仿真结果表明，与现有的拍卖方法相比，所提出的SNAM大大提高了空间效率，因此在各种设置下都能显着提高卖方收入和买方满意度。由于其低复杂度和低开销，SNAM可以针对大量投标人和所请求的承保范围的精细时标交易（以分钟或小时为单位）。

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