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광부호 분할 다중 접속 시스템을 위한 하다마드 마스크의 응용
강창식,곽대연,주진만,박진배 연세대학교 산업기술연구소 1997 논문집 Vol.29 No.1
In this paper, the fiber-optic Code Division Multiple Access(FO-CDMA) system using Hadamard transform is proposed. The proposed system consists of the optical encoder which generates the optical encoded signal using the Hadamard transform and the optical decoder which detects the specific user's data using the inverse Hadamard transform. A Hadamard mask is used for the proposed encoder and decoder. Because the proposed FO-CDMA system uses the on/off property of the Hadamard mask, it has merits of being systematically optical and providing fast data transmissions due to optical parallel processing.