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| Content Provider | IET Digital Library |
|---|---|
| Author | Liu, Bin Cheng, Shi |
| Abstract | In this study, the authors propose a state space modelling approach for trust evaluation in wireless sensor networks. In their state space trust model (SSTM), each sensor node is associated with a trust metric, which measures to what extent the data transmitted from this node would better be trusted by the server node. Given the SSTM, they translate the trust evaluation problem to be a non-linear state filtering problem. To estimate the state based on the SSTM, a component-wise iterative state inference procedure is proposed to work in tandem with the particle filter (PF), and thus the resulting algorithm is termed as iterative PF (IPF). The computational complexity of the IPF algorithm is theoretically linearly related with the dimension of the state. This property is desirable especially for high-dimensional trust evaluation and state filtering problems. The performance of the proposed algorithm is evaluated by both simulations and real data analysis. |
| Starting Page | 101 |
| Ending Page | 109 |
| Page Count | 9 |
| Volume Number | 2017 |
| e-ISSN | 20513305 |
| Issue Number | Issue 4, Apr (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2017/4 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2016.0373 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2017-04-20 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/) |
| Subject Keyword | Component-wise Iterative State Inference Computational Complexity Data Transmission Filtering Method in Signal Processing High-dimensional Trust Evaluation Interpolation And Function Approximation IPF Algorithm Iterative Method Iterative PF Nonlinear Filter Nonlinear State Filtering Problem Numerical Analysis Particle Filter Server Node SSTM State Estimation State Space Method State Space Model-based Trust Evaluation State Space Trust Model Telecommunication Security Wireless Sensor Network |
| Content Type | Text |
| Resource Type | Article |
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