The Transactions of the Korean Institute of Electrical Engineers D (대한전기학회논문지:시스템및제어부문D)

The Korean Institute of Electrical Engineers (대한전기학회)
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Parallel Transmission and Recovery Methods of Images Using the Two Dimensional Fiber-Optic Code-Division Multiple-Access System

2차원 광부호분할 다중접속 시스템에 의한 영상의 병렬 전송과 복원법

  • 이태훈 (연세대 전기전자공학과) ;
  • 박영재 (연세대 전기전자공학과) ;
  • 서익수 (연세대 전기전자공학과) ;
  • 박진배 (연세대 전기전자공학과)
  • Published : 2000.12.01
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Abstract

Two-dimensional(2-D) fiber-optic code-division multiple-access(FO-CDMA) system utilizes the optical orthogonal signature pattern code(OOSPC) to encode and decode 2-D data. Encoded 2-D data are spatially multiplexed and transmitted through an image fiber and receiver recovers the intended data by means of thresholding process. OOSPC's construction methods based on expansion of the optical orthogonal code, which is used in one-dimensional(1-D) FO-CDMA system, are introduced. Each OOSPC's performances are compared by using the bit error rate(BER) of interfering OOSPC's of other users. From the results we verify that a balanced incomplete block design(BIBD) construction has the best performance among other mehtods. We also propose a decomposed bit-plane method for parallel transmission and recovery of 256 gray-scale images using OOSPC's constructed by the BIBD method. The simulation result encourages the feasibility of parallel transmission and recovery of multiuser's images.

Keywords

References

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