Performance Analysis of Spiking Neural Networks with Memristive Synapse in Detecting and Classifying RF Wave Signals

Lee, Hyun-Jong; Kim, Dong-Hoon; Kim, Dong-Gyun; Lim, Yong Beom; Lim, Jae-Han

doi:10.1109/ictc55196.2022.9952889

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2024

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Cited by 2 publications

References 18 publications

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Application of SNNS Model Based On Multi-Dimensional Attention In Drone Radio Frequency Signal Classification

Si,

Liu,

Liu

et al. 2024

ICASSP 2024 - 2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

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Application of SNNS Model Based On Multi-Dimensional Attention In Drone Radio Frequency Signal Classification

Si,

Liu,

Liu

et al. 2024

ICASSP 2024 - 2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

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Adaptive Synaptic Adjustment Mechanism to Improve Learning Performances of Spiking Neural Networks

Lee,

Lim

2024

Computational Intelligence

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Spiking Neural Networks (SNNs) are currently attracting researchers' attention due to their efficiencies in various tasks. Spike‐timing‐dependent plasticity (STDP) is an unsupervised learning process that utilizes bio‐plausibility based on the relative timing of pre/post‐synaptic spikes of neurons. Integrated with STDP, SNNs perform well consuming less energy. However, it is hard to ensure that synaptic weights always converge to values guaranteeing accurate prediction because STDP does not change synaptic weights with supervision. To address this limitation, researchers have proposed mechanisms for inducing STDP to converge synaptic weights on the proper values referring to current synaptic weights. Thus, if the current weights fail to describe proper synaptic connections, they cannot induce STDP to update synaptic weights properly. To solve this problem, we propose an adaptive mechanism that helps STDP to converge synaptic weights directly based on input data features: Adaptive synaptic template (AST). AST leads synaptic weights to describe synaptic connections according to the data features. It prevents STDP from changing synaptic weights based on abnormal weights that fail to describe the proper synaptic connections. This is because it does not use the current synaptic weights that can disturb proper weight convergence. We integrate AST with an SNN and conduct experiments to compare it with a baseline (the SNN without AST) and benchmarks (previous works to improve STDP). Our experimental results show that the SNN using AST classifies various data sets with 6%–39% higher accuracy than the baseline and benchmarks.

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Performance Analysis of Spiking Neural Networks with Memristive Synapse in Detecting and Classifying RF Wave Signals

Cited by 2 publications

References 18 publications

Application of SNNS Model Based On Multi-Dimensional Attention In Drone Radio Frequency Signal Classification

Application of SNNS Model Based On Multi-Dimensional Attention In Drone Radio Frequency Signal Classification

Adaptive Synaptic Adjustment Mechanism to Improve Learning Performances of Spiking Neural Networks

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