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Optimization of sleep period in watchful sleep mode for power-efficient passive optical networks

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Abstract

The energy consumption in data communication networks has drawn global attention due to the ever-increasing of broadband users. In this paper, we formulated the system performances of the watchful sleep mode in terms of the power consumption and the state transition delay by using the state probability based on arrival traffic profile. And we compared the performances of the watchful sleep mode with the cyclic sleep mode under the same conditions. For above two conflicting performance indexes, the Sleep period is a key factor. Thus we designed the Cost function to determine the balanced Sleep periods for the certain requirements of power saving and state transition delay. And the simulation results verified the balanced Sleep period can greatly improves the system performances.

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Acknowledgements

The work was jointly supported by the National Natural Science Foundation of China (NSFC) (61401087), the Natural Science Foundation of Jiangsu Province (BK20140642), the Fundamental Research Funds for the Central Universities (2242015R30011, SJLX16_0080).

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Authors and Affiliations

  1. School of Microelectronics, Southeast University, Nanjing, 210096, China

    Xiaobo Zeng

  2. National Research Center for Optical Sensing/Communications Integrated Networking, School of Electronic Science and Engineering, Southeast University, Nanjing, 210096, China

    Min Zhu, Lu Wang & Xiaohan Sun

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  1. Xiaobo Zeng
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  2. Min Zhu
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  3. Lu Wang
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  4. Xiaohan Sun
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Correspondence to Xiaobo Zeng.

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Zeng, X., Zhu, M., Wang, L. et al. Optimization of sleep period in watchful sleep mode for power-efficient passive optical networks. Photon Netw Commun 35, 300–308 (2018). https://doi.org/10.1007/s11107-017-0747-3

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  • DOI: https://doi.org/10.1007/s11107-017-0747-3

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