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首页> 外文会议>2017 IEEE 28th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications >A distributed auction policy for user association in device-to-device caching networks
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A distributed auction policy for user association in device-to-device caching networks

机译：设备到设备缓存网络中用于用户关联的分布式拍卖策略

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摘要

We propose a distributed bidding-aided Matern carrier sense multiple access (CSMA) policy for device-to-device (D2D) content distribution. The network is composed of D2D receivers and potential D2D transmitters, i.e., transmitters are turned on or off by the scheduling algorithm. Each D2D receiver determines the value of its request, by bidding on the set of potential transmitters in its communication range. Given a medium access probability, a fraction of the potential transmitters are jointly scheduled, i.e., turned on, determined jointly by the auction policy and the power control scheme. The bidding-aided scheduling algorithm exploits (i) the local demand distribution, (ii) spatial distribution of D2D node locations, and (iii) the cache configurations of the potential transmitters. We contrast the performance of the bidding-aided CSMA policy with other well-known CSMA schemes that do not take into account (i)-(iii), demonstrate that our algorithm achieves a higher spectral efficiency in terms of the number of bits transmitted per unit time per unit bandwidth per user. The gain becomes even more visible under randomized configurations and requests rather than more skewed placement configurations and deterministic demand distributions.
机译：我们提出了一种用于设备到设备（D2D）内容分发的分布式投标辅助马恩特载波侦听多路访问（CSMA）策略。网络由D2D接收器和潜在的D2D发射器组成，即，通过调度算法打开或关闭发射器。每个D2D接收器通过竞标其通信范围内的一组潜在发送器来确定其请求的值。给定中等的接入概率，通过拍卖策略和功率控制方案共同确定一部分潜在发射机的调度，即，将其开启。投标辅助调度算法利用（i）本地需求分布，（ii）D2D节点位置的空间分布以及（iii）潜在发射机的缓存配置。我们将出价辅助CSMA策略的性能与未考虑（i）-（iii）的其他知名CSMA方案的性能进行了对比，证明了我们的算法在每比特传输比特数方面实现了更高的频谱效率每个用户每单位带宽的单位时间。在随机配置和请求下，收益变得更加明显，而不是偏斜的布局配置和确定的需求分布。

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