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    题名: Analysis of System Performance for an Optical CDMA System Implemented with Synchronous Receiver
    作者: Chuang, Ming‐Hsueh;Tseng, Hsien‐Wei;Chin, Le‐Pond;Jau, Liang‐Lin;Lee, Yang‐Han;李揚漢;Jan, Yih‐Guang;詹益光
    贡献者: 淡江大學電機工程學系
    关键词: optical code‐division multiple access;balanced encoding;coupler
    日期: 2009-09
    上传时间: 2013-07-11 11:56:43 (UTC+8)
    出版者: Taipei : Chinese Institute of Chemical Engineers
    摘要: In this paper, we study and analyze the system performance of an optical code‐division multiplex access (CDMA) system implemented with synchronous receiver. In the traditional optical CDMA access system, optical signals emitted from users are transmitted at the same power level. When these signals arrive at the receiver terminal, due to different distances traveled for each signal from the transmitter to the receiver, they will be at different power levels. In this paper we propose a mechanism to estimate first the distance between a transmitter and a receiver and then from this distance information to estimate its associated time delay so as to shift the signal time frame structure and adjust its transmitting power level so that a synchronous receiving system is generated. Using the VPItransmissionMaker software the system performance of the proposed system is simulated, and the results show that the proposed synchronous receiving system gives better performance than a traditional synchronous transmitting system.
    關聯: Journal of the Chinese Institute of Engineers=中國工程學刊 32(6), pp. 861-866
    DOI: 10.1080/02533839.2009.9671569
    显示于类别:[電機工程學系暨研究所] 期刊論文

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