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Multi-agent settings remain a fundamental challenge in the reinforcement learning (RL) domain due to the partial observability and the lack of accurate real-time interactions across agents. In this paper, we propose a new method based on…

Machine Learning · Computer Science 2023-01-03 Donghan Xie , Zhi Wang , Chunlin Chen , Daoyi Dong

Communication enables agents to cooperate to achieve their goals. Learning when to communicate, i.e., sparse (in time) communication, and whom to message is particularly important when bandwidth is limited. Recent work in learning sparse…

Machine Learning · Computer Science 2022-12-02 Seth Karten , Mycal Tucker , Siva Kailas , Katia Sycara

In different wireless network scenarios, multiple network entities need to cooperate in order to achieve a common task with minimum delay and energy consumption. Future wireless networks mandate exchanging high dimensional data in dynamic…

Machine Learning · Computer Science 2023-09-13 Marwa Chafii , Salmane Naoumi , Reda Alami , Ebtesam Almazrouei , Mehdi Bennis , Merouane Debbah

In multi-agent reinforcement learning (MARL), effective communication improves agent performance, particularly under partial observability. We propose MARL-CPC, a framework that enables communication among fully decentralized, independent…

Multiagent Systems · Computer Science 2025-05-29 Naoto Yoshida , Tadahiro Taniguchi

Many real-world reinforcement learning tasks require multiple agents to make sequential decisions under the agents' interaction, where well-coordinated actions among the agents are crucial to achieve the target goal better at these tasks.…

Artificial Intelligence · Computer Science 2019-02-06 Daewoo Kim , Sangwoo Moon , David Hostallero , Wan Ju Kang , Taeyoung Lee , Kyunghwan Son , Yung Yi

The multi-agent system (MAS) enables the sharing of capabilities among agents, such that collaborative tasks can be accomplished with high scalability and efficiency. MAS is increasingly widely applied in various fields. Meanwhile, the…

Multiagent Systems · Computer Science 2022-09-16 Guojun He

Utilizing messages from teammates can improve coordination in cooperative Multi-agent Reinforcement Learning (MARL). Previous works typically combine raw messages of teammates with local information as inputs for policy. However, neglecting…

Machine Learning · Computer Science 2023-02-21 Cong Guan , Feng Chen , Lei Yuan , Zongzhang Zhang , Yang Yu

The inability to communicate poses a major challenge to coordination in multi-agent reinforcement learning (MARL). Prior work has explored correlating local policies via shared randomness, sometimes in the form of a correlation device, as a…

Multiagent Systems · Computer Science 2026-02-12 John Gardiner , Orlando Romero , Brendan Tivnan , Nicolò Dal Fabbro , George J. Pappas

Deep Reinforcement Learning has made significant progress in multi-agent systems in recent years. In this review article, we have focused on presenting recent approaches on Multi-Agent Reinforcement Learning (MARL) algorithms. In…

Machine Learning · Computer Science 2021-05-03 Afshin OroojlooyJadid , Davood Hajinezhad

Communication could potentially be an effective way for multi-agent cooperation. However, information sharing among all agents or in predefined communication architectures that existing methods adopt can be problematic. When there is a…

Artificial Intelligence · Computer Science 2018-11-26 Jiechuan Jiang , Zongqing Lu

Communication is a key component in multi-agent reinforcement learning (MARL) for mitigating partial observability, yet prior approaches often rely on inefficient information exchange or fail to transmit sufficient state information. To…

Artificial Intelligence · Computer Science 2026-05-19 Sangjun Bae , Yisak Park , Sanghyeon Lee , Seungyul Han

Recent studies have shown that introducing communication between agents can significantly improve overall performance in cooperative Multi-agent reinforcement learning (MARL). However, existing communication schemes often require agents to…

Artificial Intelligence · Computer Science 2020-12-29 Sai Qian Zhang , Jieyu Lin , Qi Zhang

Effective collaboration in multi-agent systems requires communicating goals and intentions between agents. Current agent frameworks often suffer from dependencies on single-agent execution and lack robust inter-module communication,…

Computation and Language · Computer Science 2024-07-18 Xihe Qiu , Haoyu Wang , Xiaoyu Tan , Chao Qu , Yujie Xiong , Yuan Cheng , Yinghui Xu , Wei Chu , Yuan Qi

Recently Reinforcement Learning (RL) has been applied as an anti-adversarial remedy in wireless communication networks. However, studying the RL-based approaches from the adversary's perspective has received little attention. Additionally,…

Multiagent Systems · Computer Science 2022-01-28 Juncheng Dong , Suya Wu , Mohammadreza Sultani , Vahid Tarokh

In disaster scenarios, establishing robust emergency communication networks is critical, and unmanned aerial vehicles (UAVs) offer a promising solution to rapidly restore connectivity. However, organizing UAVs to form multi-hop networks in…

Multiagent Systems · Computer Science 2026-03-19 Yanggang Xu , Jirong Zha , Weijie Hong , Xiangmin Yi , Geng Chen , Jianfeng Zheng , Chen-Chun Hsia , Xinlei Chen

Multi-agent pathfinding (MAPF) is a widely used abstraction for multi-robot trajectory planning problems, where multiple homogeneous agents move simultaneously within a shared environment. Although solving MAPF optimally is NP-hard,…

We study multi-agent reinforcement learning in the setting of episodic Markov decision processes, where multiple agents cooperate via communication through a central server. We propose a provably efficient algorithm based on value iteration…

Machine Learning · Computer Science 2023-06-27 Yifei Min , Jiafan He , Tianhao Wang , Quanquan Gu

The deployment of Unmanned Aerial Vehicle (UAV) swarms as dynamic communication relays is critical for next-generation tactical networks. However, operating in contested environments requires solving a complex trade-off, including…

Networking and Internet Architecture · Computer Science 2025-12-10 Thai Duong Nguyen , Ngoc-Tan Nguyen , Thanh-Dao Nguyen , Nguyen Van Huynh , Dinh-Hieu Tran , Symeon Chatzinotas

Most real-world domains can be formulated as multi-agent (MA) systems. Intentionality sharing agents can solve more complex tasks by collaborating, possibly in less time. True cooperative actions are beneficial for egoistic and collective…

Artificial Intelligence · Computer Science 2022-04-26 Philipp Dominic Siedler

In typical multi-agent reinforcement learning (MARL) problems, communication is important for agents to share information and make the right decisions. However, due to the complexity of training multi-agent communication, existing methods…

Multiagent Systems · Computer Science 2025-05-01 Xuyan Ma , Yawen Wang , Junjie Wang , Xiaofei Xie , Boyu Wu , Shoubin Li , Fanjiang Xu , Qing Wang