首页> 外文会议>2014 Zone 1 Conference of the American Society for Engineering Education >Performance analysis of WDM-PON FTTH using different pulse shapes at 10 Gbps and 20 Gbps
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Performance analysis of WDM-PON FTTH using different pulse shapes at 10 Gbps and 20 Gbps

机译:使用10 Gbps和20 Gbps不同脉冲形状的WDM-PON FTTH的性能分析

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In this paper, we introduce a full fiber-to-the-home system architecture. The introduced system is used to obtain a system bit rate of 10 Gbps and 20 Gbps downstream and 5 Gbps and 10 Gbps upstream. Wavelength division multiplexing passive optical network technique is used to share the overall bandwidth between 32 users with 0.8 nm spacing between each user. To reduce the overall cost of the proposed system, the bidirectional subcarrier multiplexed technique is used at the optical network unit to avoid using any optical laser sources at the receiver side for upstream data transmission. Quality factor, bit error rate, and eye diagrams are derived for different pulse shapes then used to compare the results in order to select the best pulse shape that gives the best performance. The pulse shapes used in this paper are non-return to zero, return to zero, saw-up, triangle, raised cosine, and hyperbolic-secant pulses. The results demonstrates that the non-return to zero pulse shape at bit rate of 20 Gbps at both downstream and upstream data transmission leads a high quality factor. Furthermore, at 10 Gbps return to zero is selected at the transmission side and hyperbolic-secant at the optical network unit.
机译:在本文中,我们介绍了完整的光纤到户系统体系结构。引入的系统用于获得10 Gbps和20 Gbps下行链路以及5 Gbps和10 Gbps上行链路的系统比特率。波分复用无源光网络技术用于在32个用户之间共享总带宽,每个用户之间的间隔为0.8 nm。为了降低所提出系统的总成本,在光网络单元处使用双向子载波复用技术,以避免在接收器侧使用任何光激光源进行上游数据传输。为不同的脉冲形状导出质量因数,误码率和眼图,然后将其用于比较结果,以选择能够提供最佳性能的最佳脉冲形状。本文使用的脉冲形状为不归零,归零,锯齿形,三角形,余弦升高和双曲线正割脉冲。结果表明,在下行数据传输和上行数据传输时,比特率为20 Gbps的不归零脉冲形状具有很高的品质因数。此外,在10 Gbps时,在传输端选择为零,在光网络单元选择双曲正割。

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