DORE：一种在蜂窝网络中实现带外D2D中继的实验框架
DORE: An Experimental Framework to Enable Outband D2D Relay in Cellular Networks
摘要：
设备到设备通信代表蜂窝网络中的范式转变。特别是，关于卸载和中继的D2D性能的分析结果是非常有希望的，但是迄今为止没有实验证据验证这些结果。本文是第一个提供带外D2D中继方案的实验分析。此外，我们设计了DORE，一个完整的框架，用于处理由带外D2D中继节点提供的信道机会。DORE由资源分配优化工具和协议组成，其适于将QoS感知的机会D2D通信集成在3GPP基于邻近的服务的架构内。我们实现DORE使用SDR框架配置文件蜂窝网络动态中存在的机会带外D2D通信方案。我们的实验表明，带外D2D通信适合于在各种延迟敏感的蜂窝应用中进行中继，并且DORE即使在少数活动D2D中继节点的情况下也能够实现显著的增益。
英文摘要：
Device-to-Device communications represent a paradigm shift in cellular networks. In particular, analytical results on D2D performance for offloading and relay are very promising, but no experimental evidence validates these results to date. This paper is the first to provide an experimental analysis of outband D2D relay schemes. Moreover, we design DORE, a complete framework for handling channel opportunities offered by outband D2D relay nodes. DORE consists of resource allocation optimization tools and protocols suitable to integrate QoS-aware opportunistic D2D communications within the architecture of 3GPP Proximity-based Services. We implement DORE using an SDR framework to profile cellular network dynamics in the presence of opportunistic outband D2D communication schemes. Our experiments reveal that outband D2D communications are suitable for relaying in a large variety of delay-sensitive cellular applications, and that DORE enables notable gains even with a few active D2D relay nodes.
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