Key Technology Progress of Next-Generation Satellite Optical Network for Satellite Internet

Shanghong Zhao; Cong Peng; Yongjun Li; Hai Li; Xin Li; Fengfeng Xue

doi:10.3788/LOP221390

Laser & Optoelectronics Progress, Volume. 60, Issue 7, 0700001(2023)

Key Technology Progress of Next-Generation Satellite Optical Network for Satellite Internet

Shanghong Zhao^*, Cong Peng, Yongjun Li, Hai Li, Xin Li, and Fengfeng Xue

Communication System Teaching and Research Section, School of Information and Navigation, Air Force Engineering University, Xi'an 710077, Shaanxi, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(7)

Fig. 1. Schematic diagram of the satellite internet based on optical communication

Download full size

Fig. 2. Photoelectric heterogeneous link. (a) Dredging; (b) polymerization method

Download full size

Fig. 3. Satellite optical network wavelength routing^[3]

Download full size

Fig. 4. Analysis of the wavelength requirement of the low-orbit satellite optical network

Download full size

Fig. 5. Schematic diagram of the traffic grooming

Download full size

Table 1. System situation of main satellite constellations at home and abroad

View table

Table 1. System situation of main satellite constellations at home and abroad

Constellation （time）	Number	Orbital altitude /km	Technical feature	Progress
Iridium（1998）	66	780	The 1st global satellite communication system，communication frequency：L/Ka	Termination
Iridium Next（2007）	66	780	Inter-satellite link， communication band：L/Ka	75 satellite in orbit
O3b（2014）	42	8062	MEO Constellation， communication band：Ka， transmission delay ≤100 ms	16 satellite in orbit
Oneweb（2013）	648	1200	Communication band：Ka/Ku， transmission delay ≤50 ms	428 satellite in orbit
Starlink（2015）	11926	540-570	Inter-satellite optical link， Communication band：Ka/Ku， transmission delay ≤40 ms	1900 satellite in orbit
Starlink（2015）	11926	340		1900 satellite in orbit
Kuiper（2019）	3236	610，630	No	Develop
Hongyan（2018）	324	1070	Navigation enhancement technology， communication band：L/Ka	One experimental satellite

Table 2. Relationship between performance indexes and restriction factors of satellite optical network
View table
Table 2. Relationship between performance indexes and restriction factors of satellite optical network
Constraints DS NoTA NoP OSMC ESMC
NoW × √ √ √ ×
AED √ × × × ×
ANoH × √ √ √ √
BP √ √ √ √ √

Tools

Get Citation

Copy Citation Text

Shanghong Zhao, Cong Peng, Yongjun Li, Hai Li, Xin Li, Fengfeng Xue. Key Technology Progress of Next-Generation Satellite Optical Network for Satellite Internet[J]. Laser & Optoelectronics Progress, 2023, 60(7): 0700001

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites