The Journal of The Korea Institute of Intelligent Transport Systems (한국ITS학회 논문지)

The Korea Institute of Intelligent Transport Systems (한국ITS학회)
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Impulsive Noise Mitigation Scheme Based on Deep Learning

딥 러닝 기반의 임펄스 잡음 완화 기법

  • Received : 2018.06.27
  • Accepted : 2018.08.10
  • Published : 2018.08.31
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Abstract

In this paper, we propose a system model which effectively mitigates impulsive noise that degrades the performance of power line communication. Recently, deep learning have shown effective performance improvement in various fields. In order to mitigate effective impulsive noise, we applied a convolution neural network which is one of deep learning algorithm to conventional system. Also, we used a successive interference cancellation scheme to mitigate impulsive noise generated from multi-users. We simulate the proposed model which can be applied to the power line communication in the Section V. The performance of the proposed system model is verified through bit error probability versus SNR graph. In addition, we compare ZF and MMSE successive interference cancellation scheme, successive interference cancellation with optimal ordering, and successive interference cancellation without optimal ordering. Then we confirm which schemes have better performance.

본 논문은 전력선 통신의 성능을 하락시키는 임펄스 잡음을 효과적으로 완화하는 시스템 모델을 제안한다. 최근 딥 러닝이 다양한 분야에 적용되어 효과적인 성능개선을 보이고 있다. 효과적인 임펄스 잡음 완화를 위해 딥 러닝 알고리즘 중 하나인 컨볼루션 뉴럴 네트워크를 기존의 시스템에 적용한다. 또한 다수의 사용자가 존재할 경우를 고려하여 연속적 간섭 제거 기법을 사용하여 다수의 사용자로부터 발생하는 임펄스 잡음을 완화시킨다. 제안한 시스템 모델을 전력선 통신에 적용하여 시뮬레이션을 하였고 비트 오류 확률 대 SNR 그래프를 통해 제안한 시스템 모델의 성능을 확인한다. 또한, 연속적 간섭 제거 기법 중 ZF와 MMSE 연속적 간섭 제거 기법, 최적의 순서를 가지는 연속적 간섭 제거 기법과 최적의 순서를 가지지 않는 연속적 간섭 제거 기법을 각각 비교하여 어떠한 기법이 더 우수한 성능을 가지는지를 확인한다.

Keywords

References

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