A Reverse Auction Framework for Hybrid Access in Femtocell Network

A Reverse Auction Framework for Hybrid Access in Femtocell Network
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Femtocell网络混合接入的反向拍卖框架

DOI:
10.1007/s11390-017-1798-8
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发表时间:
2017-12
影响因子:
0.7
通讯作者:
Zhang Jin
Zhang Jin
中科院分区:
--
文献类型:
--
作者:
Chen Yan-Jiao;Yin Xiao-Yan;Zhang Jin

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在宏-毫微微两层异构网络中,混合接入被认为是最理想的接入控制方法,可以有效地降低宏-毫微微跨层干扰,提高网络整体性能。然而,混合接入的实施受到缺乏激励市场机制的阻碍,以激励私人家庭基站所有者提供接入许可给宏用户。在本文中,我们提出了一个反向拍卖框架之间的接入许可交易的宏蜂窝运营商和多个家庭基站业主,以促进混合接入。我们的目标是在保证拍卖真实性的同时实现社会福利最大化。由于多个毫微微小区的覆盖范围可能重叠,我们划分每个小区,以调整访问权限可用性的粒度。我们首先提出了一个基于Vickery-Clarke-格罗夫(VCG)的机制,它在所有产生最大社会福利的拍卖机制中成本最低。由于VCG机制过于耗时,我们提出了两种替代的真实机制,即广义第二价格和次优机制。我们进一步扩展拍卖框架的情况下,毫微微小区业主在不同的位置有异构的访问权限的估值。
In the two-tier macro-femto heterogeneous network, hybrid access is regarded as the most ideal access control approach to mitigating macro-femto cross-tier interference and enhancing overall network performance. However, the implementation of hybrid access is hindered by a lack of incentive market mechanism to motivate private femtocell owners to offer access permissions to macro users. In this paper, we propose a reverse auction framework for access permission transaction between a macrocell operator and multiple femtocell owners to promote hybrid access. Our goal is to maximize social welfare while guaranteeing the truthfulness of the auction. Since the coverage of multiple femtocells may overlap, we partition each cell to adjust the granularity of access permission availability. We first propose a Vickery-Clarke-Grove (VCG)-based mechanism, which costs the least among all auction mechanisms that produce maximum social welfare. As the VCG mechanism is too time-consuming, we propose two alternative truthful mechanisms, namely, generalized second-price and suboptimal mechanism. We further extend the auction framework to the scenario where femtocell owners have heterogeneous valuations for access permissions in different locations.
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