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Despite the widespread deployment of terrestrial networks, providing reliable communication services to remote areas and maintaining connectivity during emergencies remains challenging. Low Earth orbit (LEO) satellite constellations offer…

网络与互联网体系结构 · 计算机科学 2025-09-17 Zifan Lang , Guixia Liu , Geng Sun , Jiahui Li , Jiacheng Wang , Weijie Yuan , Dusit Niyato , Dong In Kim

Deep Reinforcement Learning (DRL) is widely used to optimize the performance of multi-UAV networks. However, the training of DRL relies on the frequent interactions between the UAVs and the environment, which consumes lots of energy due to…

机器学习 · 计算机科学 2023-10-26 Xiucheng Wang , Nan Cheng , Longfei Ma , Zhisheng Yin , Tom. Luan , Ning Lu

Fog radio access networks (F-RANs) are seen as potential architectures to support services of internet of things by leveraging edge caching and edge computing. However, current works studying resource management in F-RANs mainly consider a…

网络与互联网体系结构 · 计算机科学 2018-09-18 Yaohua Sun , Mugen Peng , Shiwen Mao

The low-altitude Internet of Things (IoT), supported by unmanned aerial vehicles (UAVs), provides ground sensing networks with advanced real-time monitoring and data collection. To maximize data collection volume from distributed IoT nodes,…

计算工程、金融与科学 · 计算机科学 2026-05-25 Zhenjia Xu , Xiaoling Zhang , Nan Qi , Guangxu Zhu , Xiaojie Li , Luliang Jia

Active Reconfigurable Intelligent Surfaces (RIS) are a promising technology for 6G wireless networks. This paper investigates a novel hybrid deep reinforcement learning (DRL) framework for resource allocation in a multi-user uplink system…

信号处理 · 电气工程与系统科学 2025-12-29 Mohamed Shalma , Engy Aly Maher , Ahmed El-Mahdy

In this paper, we propose a novel joint deep reinforcement learning (DRL)-based solution to optimize the utility of an uncrewed aerial vehicle (UAV)-assisted communication network. To maximize the number of users served within the…

网络与互联网体系结构 · 计算机科学 2025-01-03 Xuli Cai , Poonam Lohan , Burak Kantarci

In this paper, we employ multiple UAVs to accelerate data transmissions from ground users (GUs) to a remote base station (BS) via the UAVs' relay communications. The UAVs' intermittent information exchanges typically result in delays in…

信息论 · 计算机科学 2026-03-24 Che Chen , Lanhua Li , Shimin Gong , Yu Zhao , Yuming Fang , Dusit Niyato

To improve the system performance towards the Shannon limit, advanced radio resource management mechanisms play a fundamental role. In particular, scheduling should receive much attention, because it allocates radio resources among…

机器学习 · 计算机科学 2021-03-23 Jian Wang , Chen Xu , Rong Li , Yiqun Ge , Jun Wang

Network slicing enables multiple virtual networks to be instantiated and customized to meet heterogeneous use case requirements over 5G and beyond network deployments. However, most of the solutions available today face scalability issues…

网络与互联网体系结构 · 计算机科学 2022-11-08 Farhad Rezazadeh , Lanfranco Zanzi , Francesco Devoti , Hatim Chergui , Xavier Costa-Perez , Christos Verikoukis

A resource-constrained unmanned aerial vehicle (UAV) can be used as a flying LoRa gateway (GW) to move inside the target area for efficient data collection and LoRa resource management. In this work, we propose deep reinforcement learning…

网络与互联网体系结构 · 计算机科学 2023-12-05 Mohammed Jouhari , Khalil Ibrahimi , Jalel Ben Othman , El Mehdi Amhoud

Reconfigurable intelligent surface (RIS)-assisted aerial non-terrestrial networks (NTNs) offer a promising paradigm for enhancing wireless communications in the era of 6G and beyond. By integrating RIS with aerial platforms such as unmanned…

信号处理 · 电气工程与系统科学 2024-12-30 Muhammad Umer , Muhammad Ahmed Mohsin , Aryan Kaushik , Qurrat-ul-Ain Nadeem , Ali Arshad Nasir , Syed Ali Hassan

Network slicing is a well assessed approach enabling virtualization of the mobile core and radio access network (RAN) in the emerging 5th Generation New Radio. Slicing is of paramount importance when dealing with the emerging and diverse…

网络与互联网体系结构 · 计算机科学 2022-11-18 Lorenzo Bellone , Boris Galkin , Emiliano Traversi , Enrico Natalizio

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…

机器学习 · 计算机科学 2025-05-15 Ya Liu , Kai Yang , Yu Zhu , Keying Yang , Haibo Zhao

This paper introduces a Multi-Agent Deep Reinforcement Learning (MA-DRL) approach for routing in Low Earth Orbit Satellite Constellations (LSatCs). Each satellite is an independent decision-making agent with a partial knowledge of the…

机器学习 · 计算机科学 2024-07-09 Federico Lozano-Cuadra , Beatriz Soret

The emerging technology of Reconfigurable Intelligent Surfaces (RISs) is provisioned as an enabler of smart wireless environments, offering a highly scalable, low-cost, hardware-efficient, and almost energy-neutral solution for dynamic…

The design and deployment of autonomous systems for space missions require robust solutions to navigate strict reliability constraints, extended operational duration, and communication challenges. This study evaluates the stability and…

机器人学 · 计算机科学 2025-03-04 Henry Lei , Zachary S. Lippay , Anonto Zaman , Joshua Aurand , Amin Maghareh , Sean Phillips

Constructing earth-fixed cells with low-earth orbit (LEO) satellites in non-terrestrial networks (NTNs) has been the most promising paradigm to enable global coverage. The limited computing capabilities on LEO satellites however render…

信号处理 · 电气工程与系统科学 2024-10-16 Yang Cao , Shao-Yu Lien , Ying-Chang Liang , Dusit Niyato , Xuemin , Shen

Network slicing is a promising technology that allows mobile network operators to efficiently serve various emerging use cases in 5G. It is challenging to optimize the utilization of network infrastructures while guaranteeing the…

网络与互联网体系结构 · 计算机科学 2021-10-12 Qiang Liu , Nakjung Choi , Tao Han

The autonomous exploration of environments by multi-robot systems is a critical task with broad applications in rescue missions, exploration endeavors, and beyond. Current approaches often rely on either greedy frontier selection or…

机器人学 · 计算机科学 2024-10-28 Gengyuan Cai , Luosong Guo , Xiangmao Chang

Joint base station (BS) association and beam selection in multi-UAV aerial corridors constitutes a challenging radio resource management (RRM) problem. It is driven by high-dimensional action spaces, need for substantial overhead to acquire…

信号处理 · 电气工程与系统科学 2026-02-04 Pulok Tarafder , Zoheb Hassan , Imtiaz Ahmed , Danda B. Rawat , Kamrul Hasan , Cong Pu