论文部分内容阅读
常规波分复用星形网容量受到星形耦合器分配损耗和有限信道波长数双重限制。对此,文中提出了一种“单纤双向传输+波长重用”的有效解决方法,根据该方法构成的网络与前者比较,网络所支持的节点数——网络容量可扩大一倍,通过网络所有数据信道波长的重用,网络最大吞吐量可增加一倍;在网络节点数相同条件下,不但可节省一半光纤,而且通过数据信道波长的重用,可大大减少网络中通信节点的排队时延,缓和各通信节点对数据信道波长使用权的竞争矛盾,有效地改善网络性能;此外,该网络还有结构简单,易于实现等特点。
Conventional wavelength division multiplexing star network capacity is limited by the star coupler distribution loss and the limited number of channel wavelengths. In this paper, an effective solution to the problem of single-fiber bidirectional transmission and wavelength reuse is proposed in this paper. According to this method, compared with the former, the number of nodes supported by the network, the network capacity can be doubled, The reuse of wavelength of all data channels in the network can double the maximum throughput of the network; in the same condition of network nodes, not only half of optical fibers can be saved, but also the queuing delay of communication nodes in the network can be greatly reduced by reusing wavelength of data channels , To mitigate the competition contradiction between each communication node on the data channel wavelength usage rights and effectively improve the network performance. In addition, the network has the advantages of simple structure and easy implementation.