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

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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A Study on the Condition for Error Probability Maintenance in On-Off Keying Transmission System

On-Off Keying 전송 시스템의 에러 확률 유지를 위한 조건에 관한 연구

  • Ra, Yoo-Chan (Dept. of Information Communication Engineering, Namseoul University)
  • 나유찬 (남서울대학교 정보통신공학과)
  • Received : 2012.02.06
  • Accepted : 2012.04.12
  • Published : 2012.04.30
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Abstract

In this paper we considered condition for keep standard error probability in optical transmission system that applied on-off keying transmission which are modulated amplitude along the signal. we calculated received sensitivity of receiver in on-off keying transmission for optical detector have quantum efficiency belong 1 in optical transmission system. For BT is over 30, the number of photon is belong 10000 for maintain standard error probability. also we considered Also, we install a preamplifier to the receiver for considering the low output may be used with a light that was able to get results.

본 논문에서는 신호에 따라 신호의 크기를 변조시키는 온-오프 키잉(on-off keying) 전송을 방식을 적용한 광전송시스템에서의 표준에러확률을 유지하기 위한 조건에 대하여 고찰하였다. 광전송시스템에서 광검출기가 1 이하의 양자효율을 갖는 경우를 고려하여 온-오프 키잉 전송시에 수신기의 수신 감도를 계산하였다. $BT$가 30이상인 경우 표준에러확률을 유지하기 위한 광자수가 10000이하로 계산되어 $BT$가 적은 경우에 비해서 저출력 시스템을 구성할 수 있음을 확인할 수 있었다. 또한 수신단에 전치증폭기를 설치한 경우에 대해서도 고려하여 적은 출력을 갖는 광원을 사용해도 무방하다는 결과를 얻을 수 있었다.

Keywords

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