Sensing-Based Spectrum Sharing Method in Satellite-Terrestrial Network

Jing HU; Dongming BIAN; Xiang TIAN; Yinxia ZHU; Jian ZHANG

doi:10.11959/j.issn.2096-8930.2021042

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Sensing-Based Spectrum Sharing Method in Satellite-Terrestrial Network

Special Issue: 6G-Oriented Space-Integrated-Ground Information Network | 更新时间：2024-06-05

- Sensing-Based Spectrum Sharing Method in Satellite-Terrestrial Network
- Space-Integrated-Ground Information Networks Vol. 2, Issue 4, Pages: 43-52(2021)
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- DOI：10.11959/j.issn.2096-8930.2021042
  CLC： TP393
- Published Online：2021-12，
  
  Published：20 December 2021
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Jing HU, Dongming BIAN, Xiang TIAN, et al. Sensing-Based Spectrum Sharing Method in Satellite-Terrestrial Network[J]. Space-integrated-ground information networks, 2021, 2(4): 43-52.
DOI：

Jing HU, Dongming BIAN, Xiang TIAN, et al. Sensing-Based Spectrum Sharing Method in Satellite-Terrestrial Network[J]. Space-integrated-ground information networks, 2021, 2(4): 43-52. DOI： 10.11959/j.issn.2096-8930.2021042.

摘要

针对星地网络中卫星上行链路与地面网络频率共享问题，挖掘频率共享空间可能性，搭建基于周期感知的机会频谱接入模型；研究感知时长与卫星上行链路吞吐量权衡问题，证明吞吐量是关于感知时长的凹函数；对时变信道引入多时隙感知和协作感知方法，分析两种方法对感知性能的提升。仿真结果表明，设计卫星网络的感知时长可以最大化上行链路吞吐量，多时隙感知和协作感知策略可以进一步提升卫星网络吞吐量。

Abstract

Considering the spatial possibility of opportunistic spectrum sharing

sensing-based spectrum sharing method ws applied in the satellite-terrestrial network.The sensing-throughput tradeoff problem was studied

and the throughput is a concave function of the sensing duration was proved.In order to further improved the satellite uplink throughput

the multi-slots sensing method and the cooperative sensing method were proposed.Computer simulations showed that the optimal sensing duration could maximized the uplink throughput

and the multi-slot sensing method or the cooperative sensing method could further improved the throughput of satellite network.

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references

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