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介绍了一种基于WDM四纤共享保护环网进行波长分配的算法。该算法采用矩阵形式表示波长分配情况,它可以用最少的波长数目经由最短通道实现环网上各站点之间的全连接。最后,对偶数站点的波长分配方法加以改进,用比较简洁的过程获得了相同的波长分配结果。
An algorithm for wavelength assignment based on WDM four-fiber shared protection ring is introduced. The algorithm uses the matrix to represent the wavelength distribution. It can realize the full connection between the stations on the ring via the shortest channel with the minimum number of wavelengths. Finally, the method of wavelength allocation for even-numbered sites is improved, and the same wavelength assignment results are obtained with a relatively simple procedure.