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首页> 外文会议>IEEE International Conference on Communications Workshops >Towards Resilient 5G: Lessons Learned from Experimental Evaluations of LTE Uplink Jamming
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Towards Resilient 5G: Lessons Learned from Experimental Evaluations of LTE Uplink Jamming

机译：迈向弹性5G：LTE上行链路干扰实验评估的经验教训

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摘要

Energy, water, health, transportation and emergency services act as backbones for our society. Aiming at high degrees of efficiency, these systems are increasingly automated, depending on communication systems. However, this makes these Critical Infrastructures prone to cyber attacks, resulting in data leaks, reduced performance or even total system failure. Beyond a survey of existing vulnerabilities, we provide an experimental evaluation of targeted uplink jamming against Long Term Evolution (LTE)'s air interface. Primarily, our implementations of smart attacks on the LTE Physical Uplink Control Channel (PUCCH), the Physical Uplink Shared Channel (PUSCH) as well as on the radio access procedure are outlined and tested. In exploiting the unencrypted resource assignment process, these attacks are able to target and jam specific UE resources, effectively denying uplink access. Evaluation results reveal the criticality of such attacks, severely destabilizing Critical Infrastructures, while minimizing attacker exposure. Finally we derive possible mitigations and recommendations for 5G stakeholders, which serve to improve the robustness of mission critical communications and enable the design of resilient next generation mobile networks.
机译：能源，水，健康，运输和应急服务充当我们社会的骨干。针对高效率，这些系统越来越自动化，这取决于通信系统。但是，这使得这些关键基础架构容易出现网络攻击，导致数据泄漏，降低性能甚至总系统故障。除了对现有漏洞的调查之外，我们提供针对长期演进（LTE）的空气接口的目标上行链路干扰的实验评价。主要是，我们对LTE物理上行链路控制信道（PUCCH）的智能攻击的实现，物理上行链路共享信道（PUSCH）以及无线电接入过程的实施方式被概述和测试。在利用未加密的资源分配过程中，这些攻击能够针对特定的UE资源，有效地拒绝上行链路访问。评估结果揭示了这种攻击的关键性，严重稳定地稳定的关键基础设施，同时最大限度地减少攻击者暴露。最后，我们可以为5G利益攸关方提供可能的缓解和建议，该利益攸关方可以提高关键任务通信的稳健性，并使弹性的下一代移动网络设计。

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