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Unifying Sleep and Doze Modes for Energy-Efficient PON Systems

机译:节能PON系统的统一睡眠和打ze模式

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The existing ITU-T PON specifications define two distinct ONU power management modes: Cyclic Sleep and Doze. This paper proposes a parametric extension allowing the Unified power management mode, in which an ONU periodically turns off both its receiver and transmitter, as in the Cyclic Sleep mode, and performs infrequent bidirectional handshakes, as in the Doze mode. The timely reaction to an external stimulus is ensured by periodic unidirectional handshakes when only the ONU receiver is turned on. The Unified mode thus combines the advantages of the two standardized power saving modes, and a system that supports the Unified mode can emulate either the cyclic sleep or doze behavior as a special case. Simulation results show the energy efficiency superiority of the Unified mode over either of the two standardized modes in general.
机译:现有的ITU-T PON规范定义了两种不同的ONU功率管理模式:循环睡眠和打ze。本文提出了一种参数扩展,该扩展允许统一电源管理模式,在这种模式下,ONU会像在循环睡眠模式下一样定期关闭其接收器和发送器,并像在打ze模式下那样很少执行双向握手。当仅打开ONU接收器时,可以通过周期性的单向握手来确保对外部刺激的及时反应。因此,统一模式结合了两种标准化节能模式的优点,并且支持统一模式的系统可以在特殊情况下模拟循环睡眠或打ze行为。仿真结果表明,统一模式在能源效率上通常优于两种标准化模式中的任何一种。

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