【摘要】 本文介绍了基于频域编码的光码分多址技术的基本原理和组网的网络结构 ,提出了基于频域编码的上/下路复用器的实现方案 ,比较了光码分多址和波分多址技术的优缺点 ,最后指出基于频域编码的光码分多址技术是实现光城域网和光接入网的重要技术更多还原

【Abstract】 In this paper,the basic principle and network structures based on frequency encoding of optical code_division multiple access are introduced.A realizing scheme of optical add/drop multiplexer based frequency encoding is put forward.The advantages and disadvantages of optical code_division multiple access and wavelength division multiple access are compared.At last it is pointed out that optical code division multiple access technique is an important technique for the realization of optical metropolitan area network and access network.更多还原