English
Related papers

Related papers: Optimizing Space-Air-Ground Integrated Networks by…

200 papers

Satellite communication offers the prospect of service continuity over uncovered and under-covered areas, service ubiquity, and service scalability. However, several challenges must first be addressed to realize these benefits, as the…

Signal Processing · Electrical Eng. & Systems 2021-11-23 Fares Fourati , Mohamed-Slim Alouini

In this paper, we introduce a novel framework consisting of hybrid bit-level and generative semantic communications for efficient downlink image transmission within space-air-ground integrated networks (SAGINs). The proposed model comprises…

Information Theory · Computer Science 2025-05-27 Chong Huang , Xuyang Chen , Gaojie Chen , Pei Xiao , Geoffrey Ye Li , Wei Huang

This article proposes a software defined space-air-ground integrated network architecture for supporting diverse vehicular services in a seamless, efficient, and cost-effective manner. Firstly, the motivations and challenges for integration…

Networking and Internet Architecture · Computer Science 2017-05-16 Ning Zhang , Shan Zhang , Peng Yang , Omar Alhussein , Weihua Zhuang , Xuemin Shen

Edge computing-enhanced Internet of Vehicles (EC-IoV) enables ubiquitous data processing and content sharing among vehicles and terrestrial edge computing (TEC) infrastructures (e.g., 5G base stations and roadside units) with little or no…

Networking and Internet Architecture · Computer Science 2021-01-18 Shuai Yu , Xiaowen Gong , Qian Shi , Xiaofei Wang , Xu Chen

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 communications, particularly massive satellite networks, re-emerged as an appealing candidate for next generation networks due to major advances in space launching, electronics, processing power, and miniaturization. However, massive…

Networking and Internet Architecture · Computer Science 2023-09-19 Bassel Al Homssi , Kosta Dakic , Ke Wang , Tansu Alpcan , Ben Allen , Russell Boyce , Sithamparanathan Kandeepan , Akram Al-Hourani , Walid Saad

The space-air-ground integrated network (SAGIN) has recently emerged as a core element in the 6G networks. However, traditional centralized and synchronous optimization algorithms are unsuitable for SAGIN due to infrastructureless and…

Machine Learning · Computer Science 2025-05-15 Ya Liu , Kai Yang , Yu Zhu , Keying Yang , Haibo Zhao

The advent of the 6G era aims for ubiquitous connectivity, with the integration of non-terrestrial networks (NTN) offering extensive coverage and enhanced capacity. As manufacturing advances and user demands evolve, space-air-ground…

Networking and Internet Architecture · Computer Science 2024-07-01 Qian Chen , Zheng Guo , Weixiao Meng , Shuai Han , Cheng Li , Tony Q. S. Quek

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

As an important component of the sixth generation communication technologies, the space-air-ground integrated network (SAGIN) attracts increasing attentions in recent years. However, due to the mobility and heterogeneity of the components…

Networking and Internet Architecture · Computer Science 2025-02-20 Ziye Jia , Yilu Cao , Lijun He , Qihui Wu , Qiuming Zhu , Dusit Niyato , Zhu Han

The space-air-ground integrated network (SAGIN) has become a crucial research direction in future wireless communications due to its ubiquitous coverage, rapid and flexible deployment, and multi-layer cooperation capabilities. However,…

Information Theory · Computer Science 2024-08-06 Chong Huang , Gaojie Chen , Pei Xiao , Jonathon A. Chambers , Wei Huang

The air-ground integrated network is a key component of future sixth generation (6G) networks to support seamless and near-instant super-connectivity. There is a pressing need to intelligently provision various services in 6G networks,…

Networking and Internet Architecture · Computer Science 2022-03-29 Chao Dong , Yun Shen , Yuben Qu , Qihui Wu , Fan Wu , Guihai Chen

Artificial intelligence (AI) assisted unmanned aerial vehicle (UAV) aided next-generation networking is proposed for dynamic environments. In the AI-enabled UAV-aided wireless networks (UAWN), multiple UAVs are employed as aerial base…

Signal Processing · Electrical Eng. & Systems 2020-02-03 Xiao Liu , Mingzhe Chen , Yuanwei Liu , Yue Chen , Shuguang Cui , Lajos Hanzo

Edge artificial intelligence (AI) and space-ground integrated networks (SGINs) are two main usage scenarios of the sixth-generation (6G) mobile networks. Edge AI supports pervasive low-latency AI services to users, whereas SGINs provide…

Networking and Internet Architecture · Computer Science 2025-06-25 Qian Chen , Zhanwei Wang , Xianhao Chen , Juan Wen , Di Zhou , Sijing Ji , Min Sheng , Kaibin Huang

Connectivity in rural areas is one of the main challenges of communication networks. To overcome this challenge, a variety of solutions for different situations are required. Optimizing the current networking paradigms is therefore…

Computers and Society · Computer Science 2022-02-28 Fares Fourati , Saeed Hamood Alsamhi , Mohamed-Slim Alouini

Devices located in remote regions often lack coverage from well-developed terrestrial communication infrastructure. This not only prevents them from experiencing high quality communication services but also hinders the delivery of machine…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-08-20 Dong-Jun Han , Wenzhi Fang , Seyyedali Hosseinalipour , Mung Chiang , Christopher G. Brinton

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) 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

The sixth generation (6G) communication networks are expected to provide high data rates, ultra-reliable communication, and massive connectivity, especially in challenging environments such as dense urban areas and disaster-affected…

Signal Processing · Electrical Eng. & Systems 2026-04-23 Bhola , Yu-Jia Chen , Ashutosh Balakrishnan , Swades De , Li-Chun Wang

6G wireless networks are expected to provide seamless and data-based connections that cover space-air-ground and underwater networks. As a core partition of future 6G networks, Space-Air-Ground Integrated Networks (SAGIN) have been…