天地一体化物联网体系架构及干扰分析研究

doi:10.11959/j.issn.2096-8930.20200204

Abstract

Abstract:

Considering “internet of everything” of the future internet of things (IoT), the space-based integrated IoT architecture was designed, and the interference scenarios of the coexistence of satellite and ground was analyzed, with the aid of analyzing the architectures of the spatial information network and space-based access network.Specifi cally, fi rstly, relying on both the integration of satellite network and ground network, and the advanced design concept of decoupling control and data, a spacebased satellite IoT architecture was designed in the presence of the specifi c characteristics of access network and terminals, which included space-based backbone network, space-based access network, ground-based IoT, core network and multimodal IoT terminals.Moreover, the process of space-based control plane was also given.Secondly, interference analysis was carried out for satellite spectrum sharing scenario and satellite-ground spectrum sharing scenario respectively, and preliminary analysis results were presented.

Key words: spatial information network, space-integrated-ground information network, internet of things, interference analysis

CLC Number:

TN929

Gengxin ZHANG, Xiaojin DING, Zhicheng QU. Research on Space-Based Integrated Internet of Things Architecture and Interference Analysis[J]. Space-Integrated-Ground Information Networks, 2020, 1(2): 22-33.

卫星系统	GEO	LEO
工作频率/GHz	1.62	1.62
卫星天线增益/dB	40	16
卫星热噪声温度/K	350	350
卫星发射功率/W	10	6
用户热噪声温度/K	320	320
用户发射功率/W	1	1
用户天线最大增益/dB	1.2	1.2
信号带宽/kHz	20	20

卫星名称	半长轴/km	偏心率	倾角	升交点赤经	近地点幅角	真近点角
GEO	42 164.0	0	0	106.107°	0	229.363°
LEO	7 158.14	0	86.4°	251.600°	0	0

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Research on Space-Based Integrated Internet of Things Architecture and Interference Analysis

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