arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2307.01445eess.SP
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存在非高斯噪声的有损无线传感器网络上的分布式融合滤波器

Distributed fusion filter over lossy wireless sensor networks with the presence of non-Gaussian noise

Jiacheng He, Bei Peng, Zhenyu Feng, Xuemei Mao, Song Gao, Gang Wang

AI总结:

针对无线传感器网络中非高斯噪声与数据包丢失并存的分布式状态估计问题,本文提出广义丢包模型及DM-MCKF-DPD算法,并给出收敛性条件与复杂度分析,仿真验证其有效性。

摘要:

无线传感器网络(WSNs)中节点之间的信息传输常因拒绝服务(DoS)攻击、能量限制和环境因素而导致数据包丢失,而成功传输的信息也可能被非高斯噪声污染。这两个因素的存在对WSNs上的分布式状态估计(DSE)构成了挑战。本文提出了一种广义数据包丢失模型,用于描述由DoS攻击及其他因素引起的数据包丢失现象。此外,给出了一种改进的最大相关熵卡尔曼滤波器,并将其扩展为分布式形式(DM-MCKF)。同时,提出了一种结合广义数据包丢失的分布式改进最大相关熵卡尔曼滤波(DM-MCKF-DPD)算法,以在同时存在非高斯噪声污染和数据包丢失的情况下实现分布式状态估计。给出了确保DM-MCKF-DPD算法不动点迭代过程收敛的充分条件,并分析了DM-MCKF-DPD算法的计算复杂度。最后,通过仿真验证了所提算法的有效性和可行性。

英文摘要:

The information transmission between nodes in a wireless sensor networks (WSNs) often causes packet loss due to denial-of-service (DoS) attack, energy limitations, and environmental factors, and the information that is successfully transmitted can also be contaminated by non-Gaussian noise. The presence of these two factors poses a challenge for distributed state estimation (DSE) over WSNs. In this paper, a generalized packet drop model is proposed to describe the packet loss phenomenon caused by DoS attacks and other factors. Moreover, a modified maximum correntropy Kalman filter is given, and it is extended to distributed form (DM-MCKF). In addition, a distributed modified maximum correntropy Kalman filter incorporating the generalized data packet drop (DM-MCKF-DPD) algorithm is provided to implement DSE with the presence of both non-Gaussian noise pollution and packet drop. A sufficient condition to ensure the convergence of the fixed-point iterative process of the DM-MCKF-DPD algorithm is presented and the computational complexity of the DM-MCKF-DPD algorithm is analyzed. Finally, the effectiveness and feasibility of the proposed algorithms are verified by simulations.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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