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Modern satellites deployed in low Earth orbit (LEO) accommodate processing payloads that can be exploited for edge computing. Furthermore, by implementing inter-satellite links, the LEO satellites in a constellation can route the data…

Systems and Control · Electrical Eng. & Systems 2023-06-23 Marc Martinez-Gost , Israel Leyva-Mayorga , Ana Pérez-Neira , Miguel Ángel Vázquez , Beatriz Soret , Marco Moretti

Optical inter-satellite links (ISLs) are becoming the principal communication backbone in modern large-scale LEO constellations, offering multi-Gb/s capacity and near speed-of-light latency. However, the extreme sensitivity of optical beams…

Signal Processing · Electrical Eng. & Systems 2025-12-25 Mohammad Taghi Dabiri , Rula Ammuri , Mazen Hasna , Khalid Qaraqe

Low Earth Orbit (LEO) satellite networks are capable of improving the global Internet service coverage. In this context, we propose a hybrid beamforming design for holographic metasurface based terrestrial users in multi-altitude LEO…

Information Theory · Computer Science 2025-01-09 Qingchao Li , Mohammed El-Hajjar , Kaijun Cao , Chao Xu , Harald Haas , Lajos Hanzo

5G New Radio proposes the usage of frequencies above 10 GHz to speed up LTE's existent maximum data rates. However, the effective size of 5G antennas and consequently its repercussions in the signal degradation in urban scenarios makes it a…

Networking and Internet Architecture · Computer Science 2023-01-16 Pedro Enrique Iturria Rivera , Medhat Elsayed , Majid Bavand , Raimundas Gaigalas , Steve Furr , Melike Erol-Kantarci

This paper proposes a novel Reinforcement Learning (RL) approach for sim-to-real policy transfer of Vertical Take-Off and Landing Unmanned Aerial Vehicle (VTOL-UAV). The proposed approach is designed for VTOL-UAV landing on offshore docking…

Robotics · Computer Science 2024-08-01 Ali M. Ali , Aryaman Gupta , Hashim A. Hashim

With the reduction of satellite costs and the enhancement of processing capabilities, low earth orbit (LEO) satellite constellations can independently build inter-satellite networks without relying on traditional ground stations restricted…

Networking and Internet Architecture · Computer Science 2022-09-28 Xue Sun , Changhao Li , Lei Yan , Suzhi Cao

Current radio frequency (RF) sensors at the Edge lack the computational resources to support practical, in-situ training for intelligent spectrum monitoring, and sensor data classification in general. We propose a solution via Deep Delay…

Signal Processing · Electrical Eng. & Systems 2021-07-01 Silvija Kokalj-Filipovic , Paul Toliver , William Johnson , Rob Miller

With the proliferated low-Earth-orbit (LEO) satellites in mega-constellations, the future Internet will be able to reach any place on Earth, providing high-quality services to everyone. However, high-quality operations in terms of…

Networking and Internet Architecture · Computer Science 2022-12-13 Peng Hu

Accurate and robust trajectory prediction of neighboring agents is critical for autonomous vehicles traversing in complex scenes. Most methods proposed in recent years are deep learning-based due to their strength in encoding complex…

Robotics · Computer Science 2023-03-27 Yujun Jiao , Mingze Miao , Zhishuai Yin , Chunyuan Lei , Xu Zhu , Linzhen Nie , Bo Tao

The combination of 5G and Multi-access Edge Computing (MEC) can significantly reduce application delay by lowering transmission delay and bringing computational capabilities closer to the end user. Therefore, 5G MEC could enable excellent…

Networking and Internet Architecture · Computer Science 2023-08-22 Pengyuan Zhou , Shuhao Fu , Benjamin Finley , Xuebing Li , Sasu Tarkoma , Jussi Kangasharju , Mostafa Ammar , Pan Hui

Mobility management in cellular networks, especially the handover (HO) process, plays a key role in providing seamless and ubiquitous Internet access. The wide-scale deployment of 5G and the resulting co-existence of 4G/5G in the past six…

Networking and Internet Architecture · Computer Science 2025-11-19 Moinak Ghoshal , Imran Khan , Phuc Dinh , Z. Jonny Kong , Omar Basit , Sizhe Wang , Yufei Feng , Y. Charlie Hu , Dimitrios Koutsonikolas

The Low Earth Orbit (LEO) satellite industry is undergoing rapid expansion, with operators competitively launching satellites due to the first-come, first-served principle governing orbital rights. This has led to the formation of…

Information Theory · Computer Science 2025-11-04 Seyong Kim , Jinseok Choi , Namyoon Lee , François Baccelli , Jeonghun Park

Low earth orbit (LEO) satellite navigation signal can be used as an opportunity signal in case of a Global navigation satellite system (GNSS) outage, or as an enhancement means of traditional GNSS positioning algorithms. No matter which…

Signal Processing · Electrical Eng. & Systems 2021-06-01 Liang Chen , Xiangchen Lu , Nan Shen , Lei Wang , Yuan Zhuang , Ye Su , Deren Li , Ruizhi Chen

Based on the vision of global coverage for sixth-generation (6G) wireless communication systems, the low earth orbit (LEO) satellite-to-ground channel model for urban scenarios has emerged as highly important for the system design. In this…

Systems and Control · Electrical Eng. & Systems 2025-01-07 Jiahao Ning , Jinhao Deng , Yuanfang Li , Chi Zhao , Jiashu Liu , Songjiang Yang , Yinghua Wang , Jie Huang , Cheng-Xiang Wang

Low Earth orbit (LEO) satellites play an essential role in intelligent Earth observation by leveraging artificial intelligence models. However, limited onboard memory and excessive inference delay prevent the practical deployment of large…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-07 Songge Zhang , Wen Wu , Liang Li , Ye Wang , Xuemin , Shen

The pursuit of rate maximization in wireless communication frequently encounters substantial challenges associated with user fairness. This paper addresses these challenges by exploring a novel power allocation approach for delay…

Systems and Control · Electrical Eng. & Systems 2025-05-20 Hao Fang , Kai Huang , Hao Ye , Chongtao Guo , Le Liang , Xiao Li , Shi Jin

Telemedicine applications have recently received substantial potential and interest, especially after the COVID-19 pandemic. Remote experience will help people get their complex surgery done or transfer knowledge to local surgeons, without…

Artificial Intelligence · Computer Science 2023-10-10 Abdulrahman Soliman , Amr Mohamed , Elias Yaacoub , Nikhil V. Navkar , Aiman Erbad

This paper presents a novel transceiver design aimed at enabling Direct-to-Satellite Internet of Things (DtS-IoT) systems based on long range-frequency hopping spread spectrum (LR-FHSS). Our focus lies in developing an accurate transmission…

Hardware Architecture · Computer Science 2023-05-29 Sooyeob Jung , Seongah Jeong , Jinkyu Kang , Joon Gyu Ryu , Joonhyuk Kang

In this paper, we address the problem of efficient routing in delay tolerant network. We propose a new routing protocol dubbed as ORION. In ORION, only a single copy of a data packet is kept in the network and transmitted, contact by…

Networking and Internet Architecture · Computer Science 2012-05-11 Samir Medjiah , Toufik Ahmed

Low Earth Orbit (LEO) constellations, each comprising a large number of satellites, have become a new source of big data "from the sky". Downloading such data to a ground station (GS) for big data analytics demands very high bandwidth and…

Machine Learning · Computer Science 2022-12-23 Mohamed Elmahallawy , Tie Luo