2019
DOI: 10.1109/access.2019.2898690
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Link Quality Estimation Method for Wireless Sensor Networks Based on Stacked Autoencoder

Abstract: In wireless sensor networks, effective link quality estimation is the basis of topology management and routing control. Effective link quality estimation can guarantee the transmission of data, as well as improve the throughput rate, and hence, extend the life of the entire network. For this reason, a stacked autoencoder-based link quality estimator (LQE-SAE) is proposed. Specifically, the zero-filling method is developed to process the original missing link information. Then, the SAE model is used to extract … Show more

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Cited by 30 publications
(63 citation statements)
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“…Whereas earlier research on LQE leveraged proprietary technologies [5], wireless sensor networks utilized relatively low cost hardware and open source software, therefore enabled a broader effort from the research community. This resulted in a large wave of research focusing on ad-hoc, mesh and multihop communications [8], [10], [13]- [17], [19], [38], [40], [74], all of which rely on the estimation of link quality. The nodes implementing the aforementioned technologies are still being maintained in various university testbeds.…”
Section: A Technologies and Standardsmentioning
confidence: 99%
“…Whereas earlier research on LQE leveraged proprietary technologies [5], wireless sensor networks utilized relatively low cost hardware and open source software, therefore enabled a broader effort from the research community. This resulted in a large wave of research focusing on ad-hoc, mesh and multihop communications [8], [10], [13]- [17], [19], [38], [40], [74], all of which rely on the estimation of link quality. The nodes implementing the aforementioned technologies are still being maintained in various university testbeds.…”
Section: A Technologies and Standardsmentioning
confidence: 99%
“…For example, Sun [18] uses LSTM to determine the link reliability confidence interval, which is used to express the link quality in worst case. In addition, in some link quality estimation studies, such as those in [19] and [20], they turn the link quality estimation problem into a classification problem. Machine learning can help the link quality estimation model to continuously adapt to changes in the network environment, and to reduce the impact of interference on the link quality estimation through a feature processing technique.…”
Section: Related Workmentioning
confidence: 99%
“…To further verify the estimation ability of the link quality estimation model SCForest-LQE, we conduct more comparison experiments, and the results are shown in Figures.11-13. The gcForest-based model (gcForest), the random forest-based model [19] (RFC), the wavelet neural network-based model [13] (WNN-LQE), the naive Bayesbased model [11] (NB), the stacked autoencoder-based model [20] (LQE-SAE) and the lightweight, fluctuation insensitive multi-parameter fusion-based model [14] (LFI-LQE) are chosen to compare with the proposed estimator.…”
Section: Verification and Comparison Of Scforest-lqementioning
confidence: 99%
“…Link quality predictions are then obtained through the mapping function between SNR and PRR. Luo et al [21] designed a stacked autoencoder-based link quality estimator to extract link features and evaluate the features to divide links into five different quality grades. RL-Probe [19] studied the probing mechanism to estimate link quality by leveraging reinforcement learning.…”
Section: Learning-based Approachesmentioning
confidence: 99%
“…Statistics-based approaches [14]- [18] aim to model link quality using statistical models such as Kalman filter and Support Vector Machine (SVM). Learning-based approaches [19]- [21] adopt deep learning techniques such as Reinforcement Learning (RL) to model the relationship between link quality and physical layer measurements.…”
Section: Introductionmentioning
confidence: 99%