Modeling and Analysis of Fine-Grained Interference from International Mobile Communication System Terrestrial Base Stations to Low Earth Orbit Satellites

Yan Shi; Zhuochen Xie; Huijie Liu

doi:10.3788/LOP202259.0307002

Journals >Laser & Optoelectronics Progress >Volume 59 >Issue 3 >Page 0307002 > Article

Laser & Optoelectronics Progress
Vol. 59, Issue 3, 0307002 (2022)

Modeling and Analysis of Fine-Grained Interference from International Mobile Communication System Terrestrial Base Stations to Low Earth Orbit Satellites

Yan Shi^1、2、3, Zhuochen Xie^1、*, and Huijie Liu¹

Author Affiliations

¹Innovation Academy of Microsatellites of CAS, Shanghai 200120, China

²University of Chinese Academy of Sciences, Beijing 100049, China

³School of Information Science and Technology, ShanghaiTech University, Shanghai 200120, China

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DOI: 10.3788/LOP202259.0307002 Cite this Article Set citation alerts

Yan Shi, Zhuochen Xie, Huijie Liu. Modeling and Analysis of Fine-Grained Interference from International Mobile Communication System Terrestrial Base Stations to Low Earth Orbit Satellites[J]. Laser & Optoelectronics Progress, 2022, 59(3): 0307002 Copy Citation Text

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Fig. 1. Variation curve of average value of interference with scanning angle in each scenario

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Fig. 2. Comparison of interference with and without clutter loss in macro urban scenario

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Fig. 3. Comparison of interference with and without clutter loss in micro scenario

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Scenario	Seamless wide area coverage	Small area coverage
Rural	Macro rural	/
Suburban	Macro suburban	Micro suburban
Urban	Macro urban	Micro suburban

Table 1. Deployment scenarios of terrestrial IMT BS^[13]

	Macro rural	Macro suburban	Macro urban	Macro suburban	Micro urban
Cell radius /km	7.5	1.5	0.75	1.5	0.5
Antenna height /m	30	30	25	6
Downtilt /（°）	3	6	10	n.a.
Antenna pattern	ITU-R F.1336^［23］（recommends 3.1）			ITU-R F.1336 （recommends 2）
Below rooftop BS antenna deployment	0%		30%	100%
Feeder loss /dB	3			n.a
Maximum BS output power （10 MHz） /dBm	46			35
Maximum BS antenna gain /dBi	18	16	16	5
Average BS activity	50%

Table 2. Deployment-related parameters for bands at 2 GHz^[22]

	Macro rural	Macro suburban	Macro urban	Micro suburban	Micro urban
Average value /dBm	-107.22	-92.27	-86.27	-92.41	-82.91
Standard deviation /dB	1.91	0.33	0.16	0.36	0.11

Table 3. Average value and standard deviation of grid interference in each scenario

Item	Vertical path	Horizontal path
Total path length /km	800	3291
Atmosphere path length /km	20	505
Wavelength /nm	850
Output power /dBm	24
Beam divergence /mrad	0.2
Aperture /m²	0.005
Atmosphere attenuation	Very clear air and visibility is 50 km， attenuation is 0.19 dB/km
${C_{n}}^{2}$ /m^-2/3	Weak turbulence： 10^-16

Table 4. Simulation parameters for vertical and horizontal path cases

Item	Vertical path	Horizontal path
Output power /dBm	24	24
A_geo /dB	66.04	78.33
A_atm /dB	3.8	95.95
A_{scintillation} /dB	0.0152	0.294
A_system /dB	1	1
I /dBm	-46.8552	-151.574

Table 5. Simulation result for vertical and horizontal path cases

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