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A proactive scalable approach for reliable cluster formation in wireless networks with D2D offloading

机译：具有D2D卸载功能的无线网络中可靠的集群形成的主动可扩展方法

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摘要

With the current exponential growth in traffic and service demands, device-to-device (D2D) cooperation is identified as a major mechanism to enable 5G networks to effectively and efficiently augment network resources. The effectiveness of D2D cooperation depends on a wide range of decision making processes that include cluster formation, resource allocation, in addition to connection and mobility management. Irrespective of the D2D cooperation scenario whether in sensor, ad hoc, or cellular networks, the literature normally assumes that devices selected as relays or data sources are reliable; this means that they will maintain the connection till the communication session ends. Yet, this assumption is challenged in practice since devices' batteries can be depleted (e.g., sensors in an IoT network) and devices can move leading to connection termination (e.g., mobile users in a WiFi network or cars in a vehicular ad hoc network). To this end, we address the problem of reliable D2D cooperation in wireless networks by proposing a novel approach that is proactive by utilizing reliability metrics in the decision making process, and scalable by having low implementation complexity suitable for dense networks. These differentiating factors are shown to enhance the overall network reliability compared to standard techniques and to facilitate dynamic operation which is essential for practical implementation. Performance is evaluated using extensive simulations in addition to test bed experimental demonstration in order to quantify gains and extract insights on a range of existing design tradeoffs. (C) 2018 Elsevier B.V. All rights reserved.
机译：随着当前流量和服务需求的指数增长，设备到设备（D2D）合作被认为是使5G网络能够有效地增加网络资源的主要机制。 D2D合作的有效性取决于广泛的决策过程，包括连接和移动性管理以及集群形成，资源分配。无论在传感器，自组织还是蜂窝网络中，无论D2D合作场景如何，文献通常都假定被选作中继器或数据源的设备是可靠的。这意味着他们将保持连接，直到通信会话结束。然而，由于设备的电池可能已耗尽（例如，IoT网络中的传感器），并且设备可能移动导致连接终止（例如，WiFi网络中的移动用户或车辆自组织网络中的汽车），因此该假设在实践中受到了挑战。为此，我们通过提出一种新颖的方法来解决无线网络中可靠的D2D合作问题，该方法在决策过程中通过利用可靠性指标来主动进行，并通过具有适用于密集网络的低实现复杂性而可扩展。与标准技术相比，这些差异化因素可以提高整体网络的可靠性，并有助于动态操作，这对于实际实施至关重要。除测试台实验演示外，还使用广泛的仿真来评估性能，以便量化收益并从一系列现有设计折衷中提取见识。 （C）2018 Elsevier B.V.保留所有权利。

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