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Related papers: Space-Air-Ground Integrated Network (SAGIN): A Sur…

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The space-air-ground integrated network (SAGIN) concept is vital for the development of seamless next-generation (NG) wireless coverage, integrating satellites, unmanned aerial vehicles, and manned aircraft along with the terrestrial…

Signal Processing · Electrical Eng. & Systems 2025-03-04 Phuc V. Trinh , Shinya Sugiura , Chao Xu , Lajos Hanzo

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 emerging as a key foundation for future non-terrestrial networks (NTNs) and low-altitude economy services. However, their performance is increasingly limited not only by communication…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Heyou Liu , Bang Huang , Mohamed-Slim Alouini

Near-space communication network (NS-ComNet), as an indispensable component of sixth-generation (6G) and beyond mobile communication systems and the space-air-ground-sea integrated network (SAGSIN), demonstrates unique advantages in…

Signal Processing · Electrical Eng. & Systems 2025-05-20 Xinhua Liu , Zhen Gao , Ziwei Wan , Zhonghuai Wu , Tuan Li , Tianqi Mao , Xiao Liang , Dezhi Zheng , Jun Zhang

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

Near-space information networks (NSINs) composed of high-altitude platforms (HAPs) and high- and low-altitude unmanned aerial vehicles (UAVs) are a new regime for providing quick, robust, and cost-efficient sensing and communication…

Networking and Internet Architecture · Computer Science 2025-05-13 Xianbin Cao , Xiaoning Su , Peng Yang , Yue Gao , Dapeng Oliver Wu , Tony Q. S. Quek

Driven by the vision of ubiquitous connectivity and wireless intelligence, the evolution of ultra-dense constellation-based satellite-integrated Internet is underway, now taking preliminary shape. Nevertheless, the entrenched institutional…

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

The air-ground integrated sensing and communications (AG-ISAC) network, which consists of unmanned aerial vehicles (UAVs) and ground terrestrial networks, offers unique capabilities and demands special design techniques. In this article, we…

Signal Processing · Electrical Eng. & Systems 2023-02-14 Zesong Fei , Xinyi Wang , Nan Wu , Jingxuan Huang , J. Andrew Zhang

The upcoming sixth generation (6G) wireless communication network is envisioned to cover space, air, and maritime areas, in addition to urban-centered terrestrial coverage by the fifth generation (5G) network, to support intelligent…

Information Theory · Computer Science 2024-02-13 Wei Feng , Yanmin Wang , Yunfei Chen , Ning Ge , Cheng-Xiang Wang

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

Space-air-ground integrated networks (SAGIN) provide great strengths in extending the capability of ground wireless networks. On the other hand, with rich spectrum and computing resources, the ground networks can also assist space-air…

Networking and Internet Architecture · Computer Science 2019-02-12 Sheng Zhou , Guangchao Wang , Shan Zhang , Zhisheng Niu , Xuemin , Shen

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

The space-air-ground integrated network (SAGIN) is dynamic and flexible, which can support transmitting data in environments lacking ground communication facilities. However, the nodes of SAGIN are heterogeneous and it is intractable to…

Networking and Internet Architecture · Computer Science 2023-03-03 Yilu Cao , Ziye Jia , Chao Dong , Yanting Wang , Jiahao You , Qihui Wu

In emergency wireless communications (EWC) scenarios, ensuring reliable, flexible, and high-rate transmission while simultaneously maintaining seamless coverage and rapid response capabilities presents a critical technical challenge. To…

Signal Processing · Electrical Eng. & Systems 2025-10-09 Yinong Chen , Wenchi Cheng , Jingqing Wang , Xiao Zheng , Jiangzhou Wang

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 recent years, the satellite-aerial-ground integrated network (SAGIN) has become essential in meeting the increasing demands for global wireless communications. In SAGIN, high-altitude platforms (HAPs) can serve as communication hubs and…

Networking and Internet Architecture · Computer Science 2025-08-04 Ferdaous Tarhouni , Ruibo Wang , Mohamed-Slim Alouini

Recently emerged 6G space-air-ground integrated networks (SAGINs), which integrate satellites, aerial networks, and terrestrial communications, offer ubiquitous coverage for various mobile applications. However, the highly dynamic, open,…

Cryptography and Security · Computer Science 2025-05-08 Qi Qin , Xinye Cao , Guoshun Nan , Sihan Chen , Rushan Li , Li Su , Haitao Du , Qimei Cui , Pengxuan Mao , Xiaofeng Tao , Tony Q. S. Quek

In the context of 6G ubiquitous connectivity, the space-air-ground-sea integrated network (SAGSIN) emerges as a new paradigm to provide critical services for resource-limited ocean environments. To realize this paradigm efficiently, we…

Networking and Internet Architecture · Computer Science 2026-05-05 Yufei Ye , Shijian Gao , Xinhu Zheng , Liuqing Yang

The rapid development of the low-altitude economy has imposed unprecedented demands on wireless infrastructure to accommodate large-scale drone deployments and facilitate intelligent services in dynamic airspace environments. However,…