CAJ | 학술논문

为了解决频谱碎片问题，针对弹性光网络中业务调制格式可变的特点提出了一种基于调制格式的重构算法，并给出了这种算法与最短径重构算法的仿真比较。仿真结果表明，基于调制格式的频谱重构算法能够更灵活地改变频谱子载波的分配问题，在相同的网络条件下可以有效提高频谱资源利用率。
위료해결빈보쇄편문제，침대탄성광망락중업무조제격식가변적특점제출료일충기우조제격식적중구산법，병급출료저충산법여최단경중구산법적방진비교。방진결과표명，기우조제격식적빈보중구산법능구경령활지개변빈보자재파적분배문제，재상동적망락조건하가이유효제고빈보자원이용솔。
To solve the problem of spectrum fragmentation,this paper proposes a modulation format-based spectrum recon-struction algorithm taking into consideration the feature of variable service modulation format in elastic optical networks and compares in simulation this algorithm with the shortest-path reconstruction algorithm.The results show that the proposed al-gorithm more flexibly changes the allocation of spectrum subcarriers and effectively improves the utilization of spectrum re-sources under the same network conditions.