English
Related papers

Related papers: Shared Backbone PPO for Multi-UAV Communication Co…

200 papers

Proximal policy optimization (PPO) is one of the most popular state-of-the-art on-policy algorithms that has become a standard baseline in modern reinforcement learning with applications in numerous fields. Though it delivers stable…

Machine Learning · Computer Science 2025-02-25 Qisai Liu , Zhanhong Jiang , Hsin-Jung Yang , Mahsa Khosravi , Joshua R. Waite , Soumik Sarkar

Multi-Agent Reinforcement Learning (MARL) has become a classic paradigm to solve diverse, intelligent control tasks like autonomous driving in Internet of Vehicles (IoV). However, the widely assumed existence of a central node to implement…

Multiagent Systems · Computer Science 2023-08-09 Xiaoxue Yu , Rongpeng Li , Fei Wang , Chenghui Peng , Chengchao Liang , Zhifeng Zhao , Honggang Zhang

This study proposes an approach for establishing an optimal multihop ad-hoc network using multiple unmanned aerial vehicles (UAVs) to provide emergency communication in disaster areas. The approach includes two stages, one uses particle…

Robotics · Computer Science 2022-12-27 Ngan Duong Thi Thuy , Duy Nam Bui , Manh Duong Phung , Hung Pham Duy

This work considers the problem of learning cooperative policies in multi-agent settings with partially observable and non-stationary environments without a communication channel. We focus on improving information sharing between agents and…

Machine Learning · Computer Science 2021-09-03 Eshagh Kargar , Ville Kyrki

Decentralized multi-agent path finding (MAPF) routes a team of agents on a shared grid, each acting from its own local view. The standard solution trains one shared neural policy with Proximal Policy Optimization (PPO), a popular on-policy…

Machine Learning · Computer Science 2026-05-13 Riad Ahmed

Proximal policy optimization (PPO) has yielded state-of-the-art results in policy search, a subfield of reinforcement learning, with one of its key points being the use of a surrogate objective function to restrict the step size at each…

Machine Learning · Computer Science 2020-12-07 Wangshu Zhu , Andre Rosendo

A decomposition-based coverage control scheme is proposed for multi-agent, persistent surveillance missions operating in a communication-constrained, dynamic environment. The proposed approach decouples high-level task assignment from…

Multiagent Systems · Computer Science 2017-02-16 Jeffrey R. Peters , Sean J. Wang , Amit Surana , Francesco Bullo

This paper addresses the joint optimization of trajectories and bandwidth allocation for multiple Unmanned Aerial Vehicles (UAVs) to enhance energy efficiency in the cooperative data collection problem. We focus on an important yet…

Multiagent Systems · Computer Science 2026-01-19 Cuong Le , Symeon Chatzinotas , Thang X. Vu

This paper addresses the challenge of edge caching in dynamic environments, where rising traffic loads strain backhaul links and core networks. We propose a Proximal Policy Optimization (PPO)-based caching strategy that fully incorporates…

Networking and Internet Architecture · Computer Science 2024-11-18 Farnaz Niknia , Ping Wang

Unmanned aerial vehicle (UAV)-based base stations offer a promising solution in emergencies where the rapid deployment of cutting-edge networks is crucial for maximizing life-saving potential. Optimizing the strategic positioning of these…

Artificial Intelligence · Computer Science 2025-04-08 Mario Rico Ibanez , Azim Akhtarshenas , David Lopez-Perez , Giovanni Geraci

Effective coordination of agents actions in partially-observable domains is a major challenge of multi-agent systems research. To address this, many researchers have developed techniques that allow the agents to make decisions based on…

Multiagent Systems · Computer Science 2011-09-28 P. S. Dutta , N. R. Jennings , L. Moreau

Instability and slowness are two main problems in deep reinforcement learning. Even if proximal policy optimization (PPO) is the state of the art, it still suffers from these two problems. We introduce an improved algorithm based on…

Machine Learning · Computer Science 2019-10-01 Zhenyu Zhang , Xiangfeng Luo , Tong Liu , Shaorong Xie , Jianshu Wang , Wei Wang , Yang Li , Yan Peng

Distributed optimization offers a promising paradigm for trajectory planning in Unmanned Aerial Vehicle (UAV) swarms, yet its deployment in communication-constrained environments remains challenging due to unreliable links and limited data…

Robotics · Computer Science 2025-11-20 Yue Yu , Xiaobo Zheng , Shaoming He

In this article, we investigate the content distribution in the hotspot area, whose traffic is offloaded by the combination of the unmanned aerial vehicle (UAV) communication and edge caching. In cache-enabling UAV-assisted cellular…

Signal Processing · Electrical Eng. & Systems 2020-08-13 Tiankui Zhang , Yi Wang , Yuanwei Liu , Wenjun Xu , Arumugam Nallanathan

Low-altitude economy includes the application of unmanned aerial vehicles (UAVs) serving ground robots. This paper investigates the 3-dimensional (3D) trajectory and communication optimization for low-altitude air-ground cooperation…

Information Theory · Computer Science 2025-09-16 Menghao Hu , Tong Zhang , Shuai Wang , Chiya Zhang , Changyang She , Gaojie Chen , Miaowen Wen

This paper delves into the time-efficient covert multicast in a wireless communication system facilitated by Unmanned Aerial Vehicle (UAV), in which the UAV aims to disseminate a common covert information to multiple ground users (GUs)…

Cryptography and Security · Computer Science 2024-10-17 Wenhao Zhang , Ji He , Yuanyu Zhang

Unmanned Aerial Vehicle (UAV) swarm systems necessitate efficient collaborative perception mechanisms for diverse operational scenarios. Current Bird's Eye View (BEV)-based approaches exhibit two main limitations: bounding-box…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Zefu Lin , Wenbo Chen , Xiaojuan Jin , Yuran Yang , Lue Fan , Yixin Zhang , Yufeng Zhang , Zhaoxiang Zhang

The use of higher frequencies in mobile communication systems leads to smaller cell sizes, resulting in the deployment of more base stations and an increase in handovers to support user mobility. This can lead to frequent radio link…

Networking and Internet Architecture · Computer Science 2025-03-28 Johannes Voigt , Peter Jiacheng Gu , Peter Rost

Unmanned aerial vehicles (UAVs) have attracted plenty of attention due to their high flexibility and enhanced communication ability. However, the limited coverage and energy of UAVs make it difficult to provide timely wireless service for…

Systems and Control · Electrical Eng. & Systems 2024-12-18 Rui Wang , Kaitao Meng , Deshi Li

The increasing deployment of unmanned surface vehicles (USVs) require computational support and coverage in applications such as maritime search and rescue. Unmanned aerial vehicles (UAVs) can offer low-cost, flexible aerial services, and…

Artificial Intelligence · Computer Science 2025-02-13 Jiahao You , Ziye Jia , Chao Dong , Qihui Wu , Zhu Han