대한전자공학회논문지TC (Journal of the Institute of Electronics Engineers of Korea TC)

대한전자공학회 (The Institute of Electronics and Information Engineers)
권호 표지

전력선통신에서 직접확산 스펙트럼(DSSS) 계의 성능 분석

Performance Analysis of Direct-Sequence Spread Spectrum(DSSS) System in Power Line Communications

  • Suh, Heejong (Division of Electronic Communication and Electrical Engineering, Yosu National University) ;
  • Zhou, Xiaozheng (Division of Electronic Communication and Electrical Engineering, Yosu National University)
  • 발행 : 2004.11.01
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초록

본 논문에서는 전력선통신에서 발생하는 잡음에 대해서 DSSS을 적용할 수 있는 가능성을 분석했다. 이 잡음은 4가지가 있는데, 이들 잡음을 분석하기 위해서 특성에 따라서 실제로 전력선에서 발생하는 잡음원을 만들었다. 이들 잡음모델을 대상으로 DSSS을 적용한 BPSK의 BER 성능을 DSSS을 적용하지 않는 BPSK의 경우와 비교해서 모의실험하고 분석했다. 그 결과, DSSS을 적용한 BPSK의 경우가 DSSS을 적용하지 않는 BPSK의 경우에 비해서 8 dB 개선되었음을 알 수 있었다.

In this paper, we first analysed the ability of DSSS resistance against noises, which are main interferences to the four types in power line communications. Based on the characteristic of these noises, we made a noise source of power line which is similar with the result measured, in practice. We simulated and analysed the BER performance of BPSK with DSSS over this noise model and one without the DSSS, for comparison. Result showed that the BPSK with DSSS system has improved by 8 dB, as compared to those without the DSSS, as against power line noises.

키워드

참고문헌

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