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首页> 外文期刊>Optical engineering >Wavelength reuse for uplink on dense wave-division multiplexing single-fiber ring for radio over fiber broadband systems with downlink signal generation in optical domain
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Wavelength reuse for uplink on dense wave-division multiplexing single-fiber ring for radio over fiber broadband systems with downlink signal generation in optical domain

机译:在光域中具有下行链路信号生成的光纤宽带系统上的无线电的密集波分复用单光纤环上的上行链路的波长复用

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摘要

We have presented a single-fiber dense wave-division multiplexing (DWDM) ring scheme with wavelength reuse for uplink and optical signal generation for downlink. Instead of using a new laser for uplink, the wavelength already used for wavelength beating to generate the downlink signal in optical domain is reused for uplink. Algorithms for power optimization using Erbium-doped fiber amplifier, wavelength routing, and wavelength assignment are developed and simulated. The DWDM-radio over fiber scheme reusing the wavelength can support the data rate in the range of 1 Gbps. Fifteen remote antenna units (RAUs) are simulated in this scheme; however, these can be increased by adding more wavelengths. The proposed scheme simplifies the architecture or RAUs, decreases the overall cost while enhancing the bandwidth and operational flexibility of radio over fiber systems.
机译:我们提出了一种单光纤密集波分复用(DWDM)环形方案,其中波长复用用于上行链路,光信号生成用于下行链路。代替将新的激光器用于上行链路,已经用于波长跳动以在光域中生成下行链路信号的波长被重新用于上行链路。开发并仿真了使用掺Er光纤放大器,波长路由和波长分配进行功率优化的算法。重用波长的DWDM光纤无线电方案可以支持1 Gbps范围内的数据速率。在该方案中模拟了十五个远程天线单元(RAU)。但是,可以通过增加更多的波长来增加这些值。所提出的方案简化了体系结构或RAU,降低了总成本,同时增强了光纤系统中无线电的带宽和操作灵活性。

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