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首页> 外文期刊>Journal of Optics >Physical layer analysis of AWG based optical packet switch architecture
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Physical layer analysis of AWG based optical packet switch architecture

机译:基于AWG的光分组交换机架构的物理层分析

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摘要

Optical packet switching is the next generation switching technique in conjunction with mature electronic switching. In optical packet switching, the core router plays an important role in the routing and buffering of packets. In recent past, AWG based optical router are proposed and heavily investigated due to its very low insertion loss and very simple wavelength dependent routing pattern. In this paper, a further modification in an AWG based optical packet switch is proposed. These modifications improve the signal reception quality at the output. Power budget analysis is presented to evaluate the buffer capacity. As a physical layer parameters, the minimum switch power is evaluated using the mathematical model and at the BER level of 10~(-9) the maximum buffering capacity is evaluated. Finally, simulation results are presented in terms of network layer parameters, packet loss probability and average delay. The packet loss probability is as low as 10~(-7) well under acceptable limits.
机译:光分组交换是结合成熟的电子交换的下一代交换技术。在光分组交换中,核心路由器在分组的路由和缓冲中起着重要的作用。在最近的过去,由于其极低的插入损耗和非常简单的波长相关的路由模式,提出了基于AWG的光路由器并进行了广泛的研究。在本文中,提出了对基于AWG的光分组交换机的进一步修改。这些修改提高了输出端的信号接收质量。提出功率预算分析以评估缓冲器容量。作为物理层参数,使用数学模型评估最小开关功率,并在BER等级10〜(-9)时评估最大缓冲能力。最后,根据网络层参数,丢包率和平均时延给出了仿真结果。在可接受的范围内,丢包概率低至10〜(-7)。

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