한국산학기술학회논문지 (Journal of the Korea Academia-Industrial cooperation Society)

  • 제12권5호
  • /
  • Pages.2272-2278
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  • 2011
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  • 1975-4701(pISSN)
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  • 2288-4688(eISSN)
한국산학기술학회 (The Korea Academia-Industrial cooperation Society)
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광통신시스템의 PIN 수신기 수신감도 해석

An Analysis of Receiving Sensitivity of PIN Receiver for Optical Communication System

  • 김선엽 (남서울대학교 정보통신공학과)
  • Kim, Sun-Yeob (Division of Information Communication, Namseoul University)
  • 투고 : 2011.03.15
  • 심사 : 2011.05.12
  • 발행 : 2011.05.31
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초록

광통신 시스템에서 신호와 부가적인 잡음의 통계적인 특성에 대해 다양한 방법으로 평가하는 것은 시스템의 성능 최적화를 위해 필수적인데, 본 연구에서는 수신기의 성능 평가 방법으로 다양한 에러 확률을 대역폭과 비트수의 함수(m)로 표현하여 수신기의 성능을 평가를 통하여 광통신시스템에서 사용되고 있는 PIN 수신기의 수신감도를 해석하였고 시뮬레이션을 통해 이를 확인하였다. 그 결과 m=20인 경우, PIN 수신기의 수신 감도는 주어진 에러 확률을 유지하기 위해 대략 $9.2{\times}10^4$ 광자/비트 정도가 필요함을 확인 할 수 있었다.

It is essential to various evaluate about statistic character of the signal and additional noise for optimization of the optical communication system. We expressed various error probability with the m which was bandwidth and a bit numerical function and carried out performance evaluation of a PIN receiver. This research analyzed the receiving sensitivity of the PIN receiver and verified reception sensitivity through computer simulation in the optical communication system. As a result, the receiving sensitivity for PIN receiver are $9.2{\times}10^4$ photon/bit for given error probability.

키워드

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