Abstract
In this paper, an efficient scheme of wavelength reuse is proposed for enhancing capacities of WDM star single-hop networks, based on a single fiber connecting a node to the central coupler, which are confined by limited wavelength numbers. According to this scheme, the number of nodes supported by the networks can be at least increased one time when the wavelengths utilized are numbered. Under the same number of nodes, the delay of the networks can be greatly lowered, the throughput can be increased 1∼3 times, the properties of the networks can be efficiently improved. At first, the network structure is introduced. Next, the properties of wavelength reuse in the network are analyzed. Then, the required gain and output power of optical amplifiers in the networks are computed. Finally, the maximum number of nodes supported by the network and the maximum number of wavelengths in the network are computed.
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