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Multi-agent reinforcement learning for incomplete information environments has attracted extensive attention from researchers. However, due to the slow sample collection and poor sample exploration, there are still some problems in…

Artificial Intelligence · Computer Science 2022-05-12 Shuhan Qi , Shuhao Zhang , Xiaohan Hou , Jiajia Zhang , Xuan Wang , Jing Xiao

We propose a novel formulation of the "effectiveness problem" in communications, put forth by Shannon and Weaver in their seminal work [2], by considering multiple agents communicating over a noisy channel in order to achieve better…

Signal Processing · Electrical Eng. & Systems 2021-04-02 Tze-Yang Tung , Szymon Kobus , Joan Roig Pujol , Deniz Gunduz

We consider the problem of robust multi-agent reinforcement learning (MARL) for cooperative communication and coordination tasks. MARL agents, mainly those trained in a centralized way, can be brittle because they can adopt policies that…

Multiagent Systems · Computer Science 2020-12-16 T. van der Heiden , C. Salge , E. Gavves , H. van Hoof

Multi-Agent Reinforcement Learning (MARL) has gained significant traction for solving complex real-world tasks, but the inherent stochasticity and uncertainty in these environments pose substantial challenges to efficient and robust policy…

Machine Learning · Computer Science 2025-01-22 Somnath Hazra , Pallab Dasgupta , Soumyajit Dey

In a multirobot system, a number of cyber-physical attacks (e.g., communication hijack, observation perturbations) can challenge the robustness of agents. This robustness issue worsens in multiagent reinforcement learning because there…

Machine Learning · Computer Science 2021-09-15 Chuangchuang Sun , Dong-Ki Kim , Jonathan P. How

Multi-agent reinforcement learning is a promising research area that extends established reinforcement learning approaches to problems formulated as multi-agent systems. Recently, a multitude of communication methods have been introduced to…

Multiagent Systems · Computer Science 2026-01-21 Christoph Wittner

We consider the problem of multiple agents sensing and acting in environments with the goal of maximising their shared utility. In these environments, agents must learn communication protocols in order to share information that is needed to…

Artificial Intelligence · Computer Science 2016-05-25 Jakob N. Foerster , Yannis M. Assael , Nando de Freitas , Shimon Whiteson

Reinforcement learning (RL) algorithms have been around for decades and employed to solve various sequential decision-making problems. These algorithms however have faced great challenges when dealing with high-dimensional environments. The…

Machine Learning · Computer Science 2020-04-01 Thanh Thi Nguyen , Ngoc Duy Nguyen , Saeid Nahavandi

The continuous expansion of network data presents a pressing challenge for conventional routing algorithms. As the demand escalates, these algorithms are struggling to cope. In this context, reinforcement learning (RL) and multi-agent…

Networking and Internet Architecture · Computer Science 2025-04-08 Wang Zhang , Chenguang Liu , Yue Pi , Yong Zhang , Hairong Huang , Baoquan Rao , Yulong Ding , Shuanghua Yang , Jie Jiang

Efficient path planning for unmanned aerial vehicles (UAVs) is crucial in remote sensing and information collection. As task scales expand, the cooperative deployment of multiple UAVs significantly improves information collection…

Multiagent Systems · Computer Science 2025-03-06 Zilin Zhao , Chishui Chen , Haotian Shi , Jiale Chen , Xuanlin Yue , Zhejian Yang , Yang Liu

The inference overhead induced by redundant reasoning undermines the interactive experience and severely bottlenecks the deployment of Large Reasoning Models. Existing reinforcement learning (RL)-based solutions tackle this problem by…

Artificial Intelligence · Computer Science 2026-01-30 Yiqun Chen , Jinyuan Feng , Wei Yang , Meizhi Zhong , Zhengliang Shi , Rui Li , Xiaochi Wei , Yan Gao , Yi Wu , Yao Hu , Zhiqiang Pu , Jiaxin Mao

Multi-Agent Reinforcement Learning (MARL) has shown clear effectiveness in coordinating multiple agents across simulated benchmarks and constrained scenarios. However, its deployment in real-world multi-agent systems (MAS) remains limited,…

Artificial Intelligence · Computer Science 2025-07-15 Siyi Hu , Mohamad A Hady , Jianglin Qiao , Jimmy Cao , Mahardhika Pratama , Ryszard Kowalczyk

Connected and autonomous vehicles across land, water, and air must often operate in dynamic, unpredictable environments with limited communication, no centralized control, and partial observability. These real-world constraints pose…

Multiagent Systems · Computer Science 2025-11-18 Hung Du , Hy Nguyen , Srikanth Thudumu , Rajesh Vasa , Kon Mouzakis

In multi-agent deep reinforcement learning (MADRL), agents can communicate with one another to perform a task in a coordinated manner. When multiple tasks are involved, agents can also leverage knowledge from one task to improve learning in…

Multiagent Systems · Computer Science 2025-11-07 Changxi Zhu , Mehdi Dastani , Shihan Wang

As a data-driven approach, multi-agent reinforcement learning (MARL) has made remarkable advances in solving cooperative residential load scheduling problems. However, centralized training, the most common paradigm for MARL, limits…

Multiagent Systems · Computer Science 2025-03-05 Zhaoming Qin , Nanqing Dong , Di Liu , Zhefan Wang , Junwei Cao

Multi-Agent Reinforcement Learning (MARL) comprises a broad area of research within the field of multi-agent systems. Several recent works have focused specifically on the study of communication approaches in MARL. While multiple…

Machine Learning · Computer Science 2024-03-27 Rafael Pina , Varuna De Silva , Corentin Artaud , Xiaolan Liu

With wireless devices increasingly forming a unified smart network for seamless, user-friendly operations, random access (RA) medium access control (MAC) design is considered a key solution for handling unpredictable data traffic from…

Networking and Internet Architecture · Computer Science 2025-08-12 Myeung Suk Oh , Zhiyao Zhang , FNU Hairi , Alvaro Velasquez , Jia Liu

Cooperative multi-agent reinforcement learning (MARL) has achieved significant results, most notably by leveraging the representation-learning abilities of deep neural networks. However, large centralized approaches quickly become…

Multiagent Systems · Computer Science 2022-12-05 Nikunj Gupta , G Srinivasaraghavan , Swarup Kumar Mohalik , Nishant Kumar , Matthew E. Taylor

We propose a targeted communication architecture for multi-agent reinforcement learning, where agents learn both what messages to send and whom to address them to while performing cooperative tasks in partially-observable environments. This…

Machine Learning · Computer Science 2020-02-25 Abhishek Das , Théophile Gervet , Joshua Romoff , Dhruv Batra , Devi Parikh , Michael Rabbat , Joelle Pineau

Communication enables coordination in multi-agent reinforcement learning (MARL), but many real-world applications, e.g., search-and-rescue with drone swarms, operate under severe bandwidth constraints. Many communication architectures still…

Multiagent Systems · Computer Science 2026-05-21 Alexi Canesse , Benoît Goupil , Jesse Read , Sonia Vanier