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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…

Networking and Internet Architecture · Computer Science 2025-10-28 Tianming Lan

The space-air-ground integrated network (SAGIN) is a pivotal architecture to support ubiquitous connectivity in the upcoming 6G era. Inter-operator resource and service sharing is a promising way to realize such a huge network, utilizing…

Information Theory · Computer Science 2024-04-26 Shizhao He , Jungang Ge , Ying-Chang Liang , Dusit Niyato

Since existing mobile communication networks may not be able to meet the low latency and high-efficiency requirements of emerging technologies and applications, novel network architectures need to be investigated to support these new…

Networking and Internet Architecture · Computer Science 2023-07-28 Jiming Chen , Han Zhang , Zhe Xie

Recently, generative AI technologies have emerged as a significant advancement in artificial intelligence field, renowned for their language and image generation capabilities. Meantime, space-air-ground integrated network (SAGIN) is an…

Networking and Internet Architecture · Computer Science 2024-12-11 Ruichen Zhang , Hongyang Du , Dusit Niyato , Jiawen Kang , Zehui Xiong , Abbas Jamalipour , Ping Zhang , Dong In Kim

Space-air-ground integrated network (SAGIN) is considered as a core requirement in emerging 6G networks, which integrates the terrestrial and non-terrestrial networks to reach the full network coverage and ubiquitous services. To envision…

Networking and Internet Architecture · Computer Science 2022-04-27 Zhisheng Yin , Tom H. Luan , Nan Cheng , Yilong Hui , Wei Wang

Space-Air-Ground-Integrated Networks (SAGIN) enable seamless data connectivity for applications such as smart transport, healthcare, smart cities, and disaster response through the coordinated use of low-earth orbit (LEO) satellites, base…

Emerging Technologies · Computer Science 2025-09-17 Siri Vennela Geddam , Sruthi Ilapuram , Kamesh Namuduri , K L V Sai Prakash Sakuru

Space-Air-Ground Integrated Networks (SAGINs), which incorporate space and aerial networks with terrestrial wireless systems, are vital enablers of the emerging sixth-generation (6G) wireless networks. Besides bringing significant benefits…

Networking and Internet Architecture · Computer Science 2024-02-05 Adilya Bakambekova , Nour Kouzayha , Tareq Al-Naffouri

The Space-Air-Ground Integrated Network (SAGIN), crucial to the advancement of sixth-generation (6G) technology, plays a key role in ensuring universal connectivity, particularly by addressing the communication needs of remote areas lacking…

Networking and Internet Architecture · Computer Science 2024-07-09 Yulan Gao , Ziqiang Ye , Han Yu

Space-air-ground integrated network (SAGIN) is envisioned as a key network architecture for achieving ubiquitous coverage in the next-generation communication system. Concurrently, artificial intelligence (AI) plays a pivotal role in…

Networking and Internet Architecture · Computer Science 2025-05-15 Chenyu Wu , Xi Wang , Yi Hu , Shuai Han , Dusit Niyato

Space-air-ground-integrated network (SAGIN)-enabled multiconnectivity (MC) is emerging as a key enabler for next-generation networks, enabling users to simultaneously utilize multiple links across multi-layer non-terrestrial networks (NTN)…

Networking and Internet Architecture · Computer Science 2026-01-27 Abd Ullah Khan , Adnan Shahid , Haejoon Jung , Hyundong Shin

Space-air-ground integrated networks (SAGINs) are emerging as a pivotal element in the evolution of future wireless networks. Despite their potential, the joint design of communication and computation within SAGINs remains a formidable…

Information Theory · Computer Science 2024-07-08 Zhouxiang Zhao , Zhaohui Yang , Mingzhe Chen , Zhaoyang Zhang , Wei Xu , Kaibin Huang

The Space-Air-Ground Integrated Network (SAGIN), integrating heterogeneous devices including low earth orbit (LEO) satellites, unmanned aerial vehicles (UAVs), and ground users (GUs), holds significant promise for advancing smart city…

Multiagent Systems · Computer Science 2023-08-09 Hengxi Zhang , Huaze Tang , Wenbo Ding , Xiao-Ping Zhang

Space-air-ground integrated networks (SAGINs) help enhance the service performance in the sixth generation communication system. SAGIN is basically composed of satellites, aerial vehicles, ground facilities, as well as multiple terrestrial…

Networking and Internet Architecture · Computer Science 2023-07-04 Ziye Jia , Chao Dong , Kun Guo , Qihui Wu

Traditional ground wireless communication networks cannot provide high-quality services for artificial intelligence (AI) applications such as intelligent transportation systems (ITS) due to deployment, coverage and capacity issues. The…

Networking and Internet Architecture · Computer Science 2022-02-08 Peiying Zhang , Chao Wang , Neeraj Kumar , Lei Liu

With the rapid development of connecting massive devices to the Internet, especially for remote areas without cellular network infrastructures, space-air-ground integrated networks (SAGINs) emerge and offload computation-intensive tasks. In…

Information Theory · Computer Science 2022-06-07 Yali Chen , Bo Ai , Yong Niu , Hongliang Zhang , Zhu Han

In the coming sixth generation (6G) communication era, to provide seamless and ubiquitous connections, the space-air-ground-sea integrated network (SAGSIN) is envisioned to address the challenges of communication coverage in areas with…

Information Theory · Computer Science 2024-06-18 Siqi Meng , Shaohua Wu , Jiaming Zhang , Junlan Cheng , Haibo Zhou , Qinyu Zhang

Space-Air-Ground Integrated Networks (SAGINs) are pivotal for enabling ubiquitous connectivity in 6G systems, yet they face significant challenges due to severe satellite-to-ground link impairments. Although Unmanned Aerial Vehicles (UAVs)…

Information Theory · Computer Science 2025-11-25 Yanbo Yin , Dingzhu Wen , Changsheng You , XiaoWen Cao , Tat-Ming Lok , Dusit Niyato

Space-air-ground integrated networks (SAGIN) promise ubiquitous 6G connectivity but face significant resource management challenges due to heterogeneous infrastructure, dynamic topologies, and stringent quality-of-service (QoS)…

Networking and Internet Architecture · Computer Science 2026-03-18 Linghao Zhang , Haitao Zhao , Bo Xu , Hongbo Zhu , Xianbin Wang

With the development of artificial intelligence integrated next-generation communication networks, mobile users (MUs) are increasingly demanding the efficient processing of computation-intensive and latency-sensitive tasks. However,…

Signal Processing · Electrical Eng. & Systems 2025-12-03 Wenchao Liu , Xuhui Zhang , Chunjie Wang , Jinke Ren , Zheng Xing , Bo Yang , Shuqiang Wang , Yanyan Shen

Space-air-ground integrated network (SAGIN) is a new type of wireless network mode. The effective management of SAGIN resources is a prerequisite for high-reliability communication. However, the storage capacity of space-air network segment…

Networking and Internet Architecture · Computer Science 2022-02-07 Chao Wang , Lei Liu , Chunxiao Jiang , Shangguang Wang , Peiying Zhang , Shigen Shen
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