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首页> 外文期刊>American Journal of Computation, Communication and Control >System Design Based on EDW Code Using FSO-FTTH Network Access
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System Design Based on EDW Code Using FSO-FTTH Network Access

机译：FSO-FTTH网络接入的基于EDW码的系统设计

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摘要

It is important to apply the field Programmable Gate Array (FPGA), and optical switch technology as an encoder and decoder for Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-OCDMA) Free Space Optic Fiber to the Home (FSO-FTTH) transmitter and receiver system design. The encoder and decoder module will be using FPGA as a code generator, optical switch using as encode and decode of optical source. This module was tested by using the Enhanced Double Weight (EDW) code. Which is selected as an excellent candidate because it had shown superior performance were by the total noise is reduced. It is also easy to construct and can reduce the number of filters required at a receiver by a newly proposed detection scheme known as AND Subtraction technique. EDW code is presented here to support Fiber-To-The-Home (FTTH) access network in point-to-multipoint (P2MP) application. The conversion used a Mach-Zehnder interferometer (MZI) wavelength converter. The performances are characterized through BER and bit rate (BR), also, the received power at a variety of bit rates.
机译：将现场可编程门阵列（FPGA）和光开关技术作为用于频谱幅度编码光码分多址（SAC-OCDMA）自由空间光纤的编码器和解码器应用于家庭（FSO-FTTH）发射器非常重要和接收器系统设计。编码器和解码器模块将使用FPGA作为代码生成器，而光开关将用作光源的编码和解码。该模块已通过使用增强型双重权重（EDW）代码进行了测试。之所以被选为优秀候选者，是因为它表现出的卓越性能被总噪声降低了。它也很容易构造，并且可以通过新提出的称为AND减法技术的检测方案来减少接收机所需的滤波器数量。此处显示EDW代码以支持点对多点（P2MP）应用程序中的光纤到户（FTTH）接入网络。该转换使用了马赫曾德尔干涉仪（MZI）波长转换器。性能通过BER和比特率（BR）以及各种比特率下的接收功率来表征。

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