星地混合移动回传系统的干扰规避和减缓技术

张晓燕; 王贺

doi:10.11959/j.issn.2096-8930.2021004

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星地混合移动回传系统的干扰规避和减缓技术

专题：天地一体化信息网络频谱有效利用 | 更新时间：2024-06-03

- 星地混合移动回传系统的干扰规避和减缓技术
- Interference Avoidance and Mitigation Techniques for Hybrid Satellite-Terrestrial Mobile Backhaul System
- 天地一体化信息网络 2021年2卷第1期页码：28-34
- 作者机构：
  
  1. 国家无线电监测中心，北京 100037
  2. 国家无线电监测中心检测中心，北京 100041
- 作者简介：
  
  [ "张晓燕（1982-），国家无线电监测中心高级工程师，主要研究方向为空间业务频率和轨道资源管理、电磁兼容分析和电波传播等。" ]
  [ "王贺（1984-），国家无线电监测中心检测中心工程师，主要研究方向为无线电信号射频测试。" ]
- 基金信息：
  
  国家重点研发计划;The National Key R＆D Program of China(2020YFB1807900)
- DOI：10.11959/j.issn.2096-8930.2021004
  中图分类号： TN927
- 网络出版日期：2021-03，
  
  纸质出版日期：2021-03-20
- 稿件说明：
移动端阅览
张晓燕, 王贺. 星地混合移动回传系统的干扰规避和减缓技术[J]. 天地一体化信息网络, 2021,2(1):28-34.

Xiaoyan ZHANG, He WANG. Interference Avoidance and Mitigation Techniques for Hybrid Satellite-Terrestrial Mobile Backhaul System[J]. Space-integrated-ground information networks, 2021, 2(1): 28-34.
张晓燕, 王贺. 星地混合移动回传系统的干扰规避和减缓技术[J]. 天地一体化信息网络, 2021,2(1):28-34. DOI： 10.11959/j.issn.2096-8930.2021004.

Xiaoyan ZHANG, He WANG. Interference Avoidance and Mitigation Techniques for Hybrid Satellite-Terrestrial Mobile Backhaul System[J]. Space-integrated-ground information networks, 2021, 2(1): 28-34. DOI： 10.11959/j.issn.2096-8930.2021004.

摘要

为了更有效地利用稀缺的频谱资源，最好的办法之一是让卫星和地面共享频谱。考虑在星地混合移动回传系统中加入诸如天线阵列、多天线通信技术、智能回传节点、干扰感知功率分配和授权共享访问等干扰规避和减缓技术来阐述如何增强系统容量且无干扰地共享频谱。通过对所提系统的理论分析和数值仿真，说明使用上述干扰规避和减缓技术可以达到满足未来回传网络容量需求、减轻地面传输负担、减轻同信道间干扰、节省硬件成本、降低能耗以及改善频谱使用效率的目的。

Abstract

One of the best ways is to assume that satellite and terrestrial segments share the same spectrum in order to utilize more eff ciently the scarce and expensive spectrum resource.The interference avoidance and mitigation technologies such as antenna arrays

multi-antenna communication technologies

intelligent backhaul nodes

interference-aware power allocation method

and licensed shared access (LSA) were deployed in a hybrid satellite-terrestrial mobile backhaul (MBH) system to demonstrated how to enhance the overall capacity of the hybrid system and reuse the spectrum at diff erent systems on a noninterfering basis.Through theoretical analysis and numerical simulations

it is observed that these interference avoidance and mitigation techniques mentioned above could be used eff ciently to meet the enormous capacity demands of future backhaul networks

off -load the terrestrial segment

manage intrasystem (terrestrial) and the intersystem (satellite-terrestrial) co-channel interference (CCI)

lead to hardware costs and energy-consumption savings

and improve spectrum utilization eff ciency.

关键词

Keywords

references

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星地网络中基于感知的频谱共享方法