Space-Air-Ground Integrated Networks for 6G Mobile Communications
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866912670183063552 |
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| author | Lan, Tianming |
| author_facet | Lan, Tianming |
| contents | After the industrialization of 5G cellular communications, 6G has increasingly become a research hotspot in the academia. Space-Air-Ground Integrated Network (SAGIN) is a key supporting technology for 6G because of its advantages such as high-speed transmission and expanded coverage. This paper summarizes the motivation to develop the SAGIN-assisted 6G first and introduces the current situation of SAGIN. We then try to discuss the design concept of the SAGIN-assisted 6G, and list the problem and challenges. Moreover, we propose an architecture of the SAGIN-assisted 6G and identify a series of key technologies that are needed in different layers. Finally, in order for readers to better understand our hierarchical architecture, we use a case study discussing the congestion problem in the Integrated layer. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_22247 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Space-Air-Ground Integrated Networks for 6G Mobile Communications Lan, Tianming Networking and Internet Architecture After the industrialization of 5G cellular communications, 6G has increasingly become a research hotspot in the academia. Space-Air-Ground Integrated Network (SAGIN) is a key supporting technology for 6G because of its advantages such as high-speed transmission and expanded coverage. This paper summarizes the motivation to develop the SAGIN-assisted 6G first and introduces the current situation of SAGIN. We then try to discuss the design concept of the SAGIN-assisted 6G, and list the problem and challenges. Moreover, we propose an architecture of the SAGIN-assisted 6G and identify a series of key technologies that are needed in different layers. Finally, in order for readers to better understand our hierarchical architecture, we use a case study discussing the congestion problem in the Integrated layer. |
| title | Space-Air-Ground Integrated Networks for 6G Mobile Communications |
| topic | Networking and Internet Architecture |
| url | https://arxiv.org/abs/2510.22247 |