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Laser & Optoelectronics Progress, Volume. 58, Issue 7, 0706004(2021)

Routing and Wavelength Assignment Based on Load Balance for Optical Satellite Network

Weilong Wang1、*, Yongjun Li1, Shanghong Zhao1, Ning Xin2, and Haiyan Zhao1
Author Affiliations
  • 1Communication System Department, Information and Navigation College, Air Force Engineering University, Xi'an , Shaanxi 710038, China
  • 2Institute of Telecommunication Satellite, China Academy of Space Technology, Beijing 100094, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
    Equations (13)
    References (30)
    Cited By (3)
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    Figures & Tables(13)
    RWA system in satellite optical network

    Fig. 1. RWA system in satellite optical network

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    Topology of polar orbit constellation

    Fig. 2. Topology of polar orbit constellation

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    Structure of wavelength switching node

    Fig. 3. Structure of wavelength switching node

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    Satellite user terminal distribution

    Fig. 4. Satellite user terminal distribution

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    Global satellite user density distribution

    Fig. 5. Global satellite user density distribution

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    LBRWA algorithm steps

    Fig. 6. LBRWA algorithm steps

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    Comparison of blocking probability for different algorithms

    Fig. 7. Comparison of blocking probability for different algorithms

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    Comparison of resource utilization for different algorithms

    Fig. 8. Comparison of resource utilization for different algorithms

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    Relationship between blocking probability and number of wavelength

    Fig. 9. Relationship between blocking probability and number of wavelength

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    Comparison of max normalized ISL load for different algorithms

    Fig. 10. Comparison of max normalized ISL load for different algorithms

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    Comparison of traffic distribution index for different algorithms

    Fig. 11. Comparison of traffic distribution index for different algorithms

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    • Table 1. Parameters of π constellation

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      Table 1. Parameters of π constellation

      ParameterValue
      Orbit altitude /km780
      Inclination /(°)86
      Number of orbits P6
      Number of nodes per orbit S11
      Number of ISLs4
      Link stateImpermanency
      Polar latitude threshold /(°)60

    • Table 2. Satellite optical network communication traffic proportion of each continent

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      Table 2. Satellite optical network communication traffic proportion of each continent

      SourceCommunication traffic proportion for different destinations
      North AmericaEuropeAsiaSouth AmericaAfricaOceania
      North America6015101023
      Europe404010523
      Asia301050226
      South America351284023
      Africa403052203
      Oceania4010122234
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    Weilong Wang, Yongjun Li, Shanghong Zhao, Ning Xin, Haiyan Zhao. Routing and Wavelength Assignment Based on Load Balance for Optical Satellite Network[J]. Laser & Optoelectronics Progress, 2021, 58(7): 0706004

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Sep. 1, 2020

    Accepted: Sep. 15, 2020

    Published Online: Apr. 25, 2021

    The Author Email: Wang Weilong (wwlwangyi@126.com)

    DOI:10.3788/LOP202158.0706004

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology