The Journal of the Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회논문지)

The Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회)
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Manufacturing of Burst mode Transceiver module and Performance Test for Upstream Channel of Gigabit Ethernet PON System

GE-PON 시스템을 위한 버스트 모드 광수신기 제작과 상향채널 특성 평가

  • 장진현 (한국정보통신기능대학 광통신설비과) ;
  • 정진호 (호서대학교 IT융합기술학부 전자공학과)
  • Received : 2012.02.09
  • Accepted : 2012.04.13
  • Published : 2012.04.30
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Abstract

The circuits including with Optical transceiver and clock data recovery, in this paper, SERDES (SERializer-DESerializer) are implemented to construct a GE-PON burst-mode transceiver supporting IEEE 802.3ah and a jig for measuring the burst-mode characteristics, that is to say, PON upstream optical transmission environment are manufactured to evaluate the performance of transceiver. we verified that the limiting amplifier compensated the gap of max. 26dB optical power by experiments. The startup acquisition lock time is 670ns in case of using VSC7123 and 2300ns in case of S2060 and the data acquisition lock time were measured to be 400ns and 600ns, respectively, in the upstream channel transmission in this work. While on the other, VSC7123 is satisfied with IEEE802.3ah recommendations.

본 논문에서는 IEEE 802.3ah의 규격을 만족하는 GE-PON의 버스트모드 트랜시버 제작을 위하여 상용 광모듈과 클락 데이터 복구기, 직병렬변환기 등의 회로로 트랜시버를 구현하며, PON의 상향채널 광전송환경인 버스트모드 특성을 측정하기 위해 지그를 제작하여 그 특성을 측정하고, 트랜시버 성능을 평가한다. PON의 버스트모드 트랜시버 특성의 리미팅 앰프 특성은 최대 26[dB]의 광전력차를 보상하는 결과를 실험을 통해 확인하였고, 개시포착 고정시간은 VSC7123이 670[ns], S2060이 2300[ns]로 결과치가 측정되었고, 데이터포착 고정시간 또한 S2060은 600[ns]로 표준을 벗어나는 특성을 보인 반면, VSC7123이 400[ns] 이내로 IEEE 802.3ah의 표준안을 만족시켰다.

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References

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