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首页> 外文期刊>IEEE Vehicular Technology Magazine >Direct Connection on the Move: Characterization of User Mobility in Cellular-Assisted D2D Systems
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Direct Connection on the Move: Characterization of User Mobility in Cellular-Assisted D2D Systems

机译：移动中的直接连接：蜂窝辅助D2D系统中用户移动性的表征

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Next-generation device-to-device (D2D) communication technology, in which a cellular network assists proximal users at all stages of their interaction, is rapidly developing. Previous research has thoroughly characterized D2D performance aspects from discovery to connection establishment, security, and service continuity; however, prospective D2Denabled applications and services envision highly opportunistic device contacts as a consequence of unpredictable human user mobility. Therefore, mobility's impact on D2D communication requires careful investigation to understand the practical operational efficiency of future cellular-assisted D2D systems. This article offers a first-hand tutorial on various implications of D2D mobility across different user movement patterns and mobility-related parameters and proposes an assessment methodology for D2D-enabled systems. The rigorous system-level evaluation conducted for this study delivers important conclusions on the effects of user mobility in emerging D2D-centric systems.
机译：下一代设备到设备（D2D）通信技术正在迅速发展，在这种技术中，蜂窝网络可协助近端用户进行交互的所有阶段。先前的研究已经彻底描述了D2D性能方面，从发现到连接建立，安全性和服务连续性。但是，由于不可预测的人类用户移动性，潜在的启用D2D的应用程序和服务设想了高度机会的设备联系。因此，移动性对D2D通信的影响需要仔细研究以了解未来蜂窝辅助D2D系统的实际操作效率。本文提供了有关跨不同用户移动模式和与移动性相关的参数的D2D移动性的各种含义的第一手教程，并提出了支持D2D的系统的评估方法。此项研究进行的严格的系统级评估提供了关于新兴D2D中心系统中用户移动性影响的重要结论。

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