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Physical-layer authentication based on adaptive Kalman filter for V2X communication

机译：基于Adaptive Kalman滤波器的实物层认证，用于V2X通信

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摘要

Security and authentication are an important guarantee for vehicle to everything (V2X). At present, V2X security schemes in most countries are based on public key infrastructure (PKI). These schemes require additional digital signatures when sending basic safety messages (BSMs), which means security requires additional overhead. Consequently, V2X communication efficiency will be affected in the case of traffic congestion. To solve this problem, we propose a physical-layer authentication model based on channel characteristics in the V2X environment. The model uses the Sage-Husa adaptive Kalman filter, which can dynamically adjust statistical properties of the noises according to observation. Furthermore, we select CSI and RSSI to design a physical-layer authentication scheme based on this model, which can replace the digital signature. Finally, we analyze the impact of the filter algorithm and the factors affecting the authentication threshold, and compare our work with similar schemes. As a result, the proposed scheme makes minor changes to the PKI-based V2X security and effectively reduces the overhead of security. Due to the time-varying channel characteristics, this scheme can prevent impersonation by malicious attackers, thereby improving the security of communication. (c) 2020 Elsevier Inc. All rights reserved.
机译：安全性和认证是车辆到一切（V2X）的重要保证。目前，大多数国家的V2X安全方案基于公钥基础设施（PKI）。这些方案在发送基本安全消息（BSM）时需要额外的数字签名，这意味着安全性需要额外的开销。因此，在交通拥堵的情况下，V2X通信效率将受到影响。为了解决这个问题，我们提出了一种基于V2X环境中的信道特性的物理层认证模型。该模型使用Sage-Husa自适应卡尔曼滤波器，其可以根据观察动态调整噪声的统计特性。此外，我们选择CSI和RSSI基于此模型设计物理层认证方案，可以替换数字签名。最后，我们分析了滤波器算法的影响和影响认证阈值的因素，并与类似方案进行比较。因此，该方案对PKI的V2X安全性进行了微小的变化，有效地减少了安全的开销。由于频道特征时，该方案可以防止恶意攻击者的冒充，从而提高了通信的安全性。 （c）2020 Elsevier Inc.保留所有权利。

著录项

  • 来源
    《Vehicular Communications》 |2020年第12期|100281.1-100281.12|共12页
  • 作者

    Wang Jian; Shao Yameng; Ge Yuming; Yu Rundong;

  • 作者单位

    Jilin Univ Coll Comp Sci & Technol Changchun 130012 South Korea|Jilin Univ Minist Educ Key Lab Symbol Computat & Knowledge Engn Changchun 130012 Peoples R China|China Automot Engn Res Inst CAERI Dept Intelligent Vehicle Chongqing 404100 Peoples R China;

    Jilin Univ Coll Comp Sci & Technol Changchun 130012 South Korea|Jilin Univ Minist Educ Key Lab Symbol Computat & Knowledge Engn Changchun 130012 Peoples R China;

    China Acad Informat & Commun Technol Technol & Stand Res Inst Beijing 100191 Peoples R China;

    China Acad Informat & Commun Technol Technol & Stand Res Inst Beijing 100191 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Physical-layer authentication; V2X; Channel characteristics; Adaptive Kalman filter;

    机译：物理层认证;V2X;频道特征;自适应卡尔曼滤波器;

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