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Related papers: RIS-Empowered LEO Satellite Networks for 6G: Promi…

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Offering space-based Internet services with mega-constellations of low Earth orbit (LEO) satellites is a promising solution to connecting the unconnected. It can complement the coverage of terrestrial networks to help bridge the digital…

Networking and Internet Architecture · Computer Science 2021-08-18 Xingqin Lin , Stefan Cioni , Gilles Charbit , Nicolas Chuberre , Sven Hellsten , Jean-Francois Boutillon

Low Earth orbit (LEO) satellites have been envisioned as a significant component of the sixth generation (6G) network architecture for achieving ubiquitous coverage and seamless access. However, the implementation of LEO satellites is…

Information Theory · Computer Science 2024-06-10 Chenyu Wu , Shuai Han , Qian Chen , Yu Wang , Weixiao Meng , Abderrahim Benslimane

Low Earth orbit (LEO) satellite constellations play a pivotal role in sixth-generation (6G) wireless networks by providing global coverage, massive connections, and huge capacity. In this paper, we present a novel LEO satellite…

Information Theory · Computer Science 2025-09-05 Wenfei Yao , Xiaoming Chen , Qi Wang , Xingyu Peng

We propose a low-power mobile low earth orbit (LEO) satellite communication architecture, employing double reconfigurable intelligent surfaces (RIS) to enhance energy efficiency and signal performance. With a distance between RISs that…

Information Theory · Computer Science 2025-12-03 Kunnathully Sadanandan Sanila , Rickard Nilsson , Emad Ibrahim , Neelakandan Rajamohan

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

6G networks aim to enable applications like autonomous driving by providing complementary localization services through key technologies such as non-terrestrial networks (NTNs) with low Earth orbit (LEO) satellites and reconfigurable…

The use of satellites to provide ubiquitous coverage and connectivity for densely deployed Internet of Things (IoT) networks is expected to be a reality in emerging 6G networks. Yet the low battery capacity of IoT nodes constitutes a…

Information Theory · Computer Science 2021-05-24 Kürşat Tekbıyık , Güneş Karabulut Kurt , Halim Yanikomeroglu

Reconfigurable intelligent surfaces (RISs), with the potential to realize a smart radio environment, have emerged as an energy-efficient and a cost-effective technology to support the services and demands foreseen for coming decades. By…

Information Theory · Computer Science 2021-07-13 Sarah Basharat , Syed Ali Hassan , Haris Pervaiz , Aamir Mahmood , Zhiguo Ding , Mikael Gidlund

With the rapid development of satellite communication technologies, the space-based access network has been envisioned as a promising complementary part of the future 6G network. Aside from terrestrial base stations, satellite nodes,…

Signal Processing · Electrical Eng. & Systems 2022-07-26 Zhenyu Xiao , Junyi Yang , Tianqi Mao , Chong Xu , Rui Zhang , Zhu Han , Xiang-Gen Xia

The rapid development of communication technologies in the past decades has provided immense vertical opportunities for individuals and enterprises. However, conventional terrestrial cellular networks have unfortunately neglected the huge…

Signal Processing · Electrical Eng. & Systems 2021-06-22 Shicong Liu , Zhen Gao , Yongpeng Wu , Derrick Wing Kwan Ng , Xiqi Gao , Kai-Kit Wong , Symeon Chatzinotas , Bjorn Ottersten

Low Earth Orbit (LEO) satellite communications (SatCom) are considered a promising solution to provide uninterrupted services in cellular networks. Line-of-sight (LoS) links between the LEO satellites and the ground users are, however,…

Signal Processing · Electrical Eng. & Systems 2022-06-01 Xiaowen Tian , Nuria Gonzalez-Prelcic , Takayuki Shimizu

Reconfigurable intelligent surfaces (RISs) are rapidly gaining prominence in the realm of fifth generation (5G)-Advanced, and predominantly, sixth generation (6G) mobile networks, offering a revolutionary approach to optimizing wireless…

Information Theory · Computer Science 2024-06-17 Ertugrul Basar , George C. Alexandropoulos , Yuanwei Liu , Qingqing Wu , Shi Jin , Chau Yuen , Octavia A. Dobre , Robert Schober

In this letter, we study an active reconfigurable intelligent surfaces (RIS) assisted Low Earth orbit (LEO) satellite communications under non-line-of-sight (NLoS) scenarios, where the active RIS is deployed to create visual line-of-sight…

Signal Processing · Electrical Eng. & Systems 2025-06-26 Ziwei Liu , Junyan He , Shanshan Zhao , Meng Hua , Bin Lyu , Xinjie Zhao , Gengxin Zhang

The contemporary landscape of wireless technology underscores the critical role of precise localization services. Traditional global navigation satellite systems (GNSS)-based solutions, however, fall short when it comes to indoor…

Signal Processing · Electrical Eng. & Systems 2025-02-14 Pinjun Zheng , Xing Liu , Yuchen Zhang , Jiguang He , Gonzalo Seco-Granados , Tareq Y. Al-Naffouri

The deployment of low earth orbit (LEO) satellites with terrestrial networks can potentially increase the efficiency and reduce the cost of relaying content from a data center to a set of edge caches hosted by 6G and beyond enabled macro…

Signal Processing · Electrical Eng. & Systems 2023-03-24 Basem Abdellatif , Mostafa M. Shibl , Tamer Khattab , John Tadrous , Tarek ElFouly , Nizar Zorba

Satellite networks promise wide-area 6G coverage but face two persistent barriers: blockage-induced service discontinuities and increasingly stringent spectrum coexistence across satellite layers and with terrestrial systems. Reconfigurable…

Signal Processing · Electrical Eng. & Systems 2025-12-25 Ziyuan Zheng , Xiangyu Li , Shirui Zuo , Yu Wan , Bodong Shang , Wenpeng Jing , Qingqing Wu

Low Earth orbit (LEO) satellites, as a prominent technology in the 6G non-terrestrial network, offer both positioning and communication capabilities. While these two applications have each been extensively studied and have achieved…

Signal Processing · Electrical Eng. & Systems 2024-12-03 Jie Ma , Pinjun Zheng , Xing Liu , Yuchen Zhang , Tareq Y. Al-Naffouri

Low earth orbit (LEO) mega-constellations, integrating government space systems and commercial practices, have emerged as enabling technologies for the sixth generation (6G) networks due to their good merits of global coverage and…

Networking and Internet Architecture · Computer Science 2022-05-18 Lin Shih-Chun , Lin Chia-Hung , Chu Liang C. , Lien Shao-Yu

The next sixth generation (6G) networks are envisioned to integrate sensing and communications in a single system, thus greatly improving spectrum utilization and reducing hardware costs. Low earth orbit (LEO) satellite communications…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Li You , Yongxiang Zhu , Xiaoyu Qiang , Christos G. Tsinos , Wenjin Wang , Xiqi Gao , Björn Ottersten

The next generation of wireless systems will take the concept of communications and networking to another level through the seamless integration of terrestrial, aerial, satellite, maritime and underwater communication systems.…

Networking and Internet Architecture · Computer Science 2022-08-02 Parisa Ramezani , Bin Lyu , Abbas Jamalipour
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