Spectrum allocation method for cognitive satellite network based on service priorities

Min JIA; Xiaoye JING; Xiaofeng LIU; Feng LIU; Qing GUO; Xuemai GU

doi:10.11959/j.issn.1000-436x.2019080

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Spectrum allocation method for cognitive satellite network based on service priorities

Papers | 更新时间：2024-06-05

- Spectrum allocation method for cognitive satellite network based on service priorities
- Journal on Communications Vol. 40, Issue 4, Pages: 140-148(2019)
- 作者机构：
  
  1. 哈尔滨工业大学电子与信息工程学院，黑龙江哈尔滨 150001
  2. 中国空间技术研究院通信卫星事业部，北京 100094
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61671183);The National Natural Science Foundation of China(61771163)
- DOI：10.11959/j.issn.1000-436x.2019080
  CLC： TN91
- Online First：2019-04，
  
  Published：25 April 2019
- 稿件说明：
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Min JIA, Xiaoye JING, Xiaofeng LIU, et al. Spectrum allocation method for cognitive satellite network based on service priorities[J]. Journal on Communications, 2019, 40(4): 140-148.
DOI：

Min JIA, Xiaoye JING, Xiaofeng LIU, et al. Spectrum allocation method for cognitive satellite network based on service priorities[J]. Journal on Communications, 2019, 40(4): 140-148. DOI： 10.11959/j.issn.1000-436x.2019080.

摘要

将认知无线电中的频谱分配技术应用到星地一体化网络中，能够实现卫星与地面通信网络的频谱共享，提高卫星通信系统的频谱利用率。首先，建立一种星地一体化频谱资源共享模型，分析认知卫星下行链路使用地面网络空闲频谱的场景。然后，对干扰模型和信号模型进行推导及分析。最后，考虑卫星地面终端的不同优先级类型，提出一种基于优先级的频谱分配方案，在保证下行卫星通信总吞吐量的同时，增加高优先级地面终端的吞吐量。

Abstract

By using spectrum allocation technology of cognitive radio into integrated satellite and terrestrial networks

the satellite communication network can share spectrum with the terrestrial network and improve utilization efficiency of frequency spectrum in the satellite communication system.Firstly

a spectrum resource sharing model in integrated satellite and terrestrial networks was introduced

and the scenery that cognitive satellite downlinks use the vacant spectrum of terrestrial network was analyzed.Then

the interference and signal model was analyzed.Finally

considering different priority types of satellite terrestrial terminals

a spectrum allocation scheme based on priority was proposed

which could ensure the total throughput in satellite downlink communication and increase the throughput of high-priority terrestrial terminals.

关键词

Keywords

references

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