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Multi-agent reinforcement learning offers a way to study how communication could emerge in communities of agents needing to solve specific problems. In this paper, we study the emergence of communication in the negotiation environment, a…

Artificial Intelligence · Computer Science 2018-04-12 Kris Cao , Angeliki Lazaridou , Marc Lanctot , Joel Z Leibo , Karl Tuyls , Stephen Clark

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

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

Communication in multi-agent reinforcement learning (MARL) has been proven to effectively promote cooperation among agents recently. Since communication in real-world scenarios is vulnerable to noises and adversarial attacks, it is crucial…

Multiagent Systems · Computer Science 2023-12-20 Lebin Yu , Yunbo Qiu , Quanming Yao , Yuan Shen , Xudong Zhang , Jian Wang

Communication is an effective mechanism for coordinating the behaviors of multiple agents, broadening their views of the environment, and to support their collaborations. In the field of multi-agent deep reinforcement learning (MADRL),…

Multiagent Systems · Computer Science 2024-10-21 Changxi Zhu , Mehdi Dastani , Shihan Wang

This paper presents a method for optimizing wireless networks by adjusting cell parameters that affect both the performance of the cell being optimized and the surrounding cells. The method uses multiple reinforcement learning agents that…

Systems and Control · Electrical Eng. & Systems 2023-05-25 Adriano Mendo , Jose Outes-Carnero , Yak Ng-Molina , Juan Ramiro-Moreno

Collective human knowledge has clearly benefited from the fact that innovations by individuals are taught to others through communication. Similar to human social groups, agents in distributed learning systems would likely benefit from…

Multi-agent reinforcement learning (MARL) extends (single-agent) reinforcement learning (RL) by introducing additional agents and (potentially) partial observability of the environment. Consequently, algorithms for solving MARL problems…

Multiagent Systems · Computer Science 2019-09-12 Yilun Zhou , Derrik E. Asher , Nicholas R. Waytowich , Julie A. Shah

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

While it is known that communication facilitates cooperation in multi-agent settings, it is unclear how to design artificial agents that can learn to effectively and efficiently communicate with each other. Much research on communication…

We propose an interactive multimodal framework for language learning. Instead of being passively exposed to large amounts of natural text, our learners (implemented as feed-forward neural networks) engage in cooperative referential games…

Computation and Language · Computer Science 2016-05-24 Angeliki Lazaridou , Nghia The Pham , Marco Baroni

Multi-agent reinforcement learning has been used as an effective means to study emergent communication between agents, yet little focus has been given to continuous acoustic communication. This would be more akin to human language…

Computation and Language · Computer Science 2023-05-03 Kevin Eloff , Okko Räsänen , Herman A. Engelbrecht , Arnu Pretorius , Herman Kamper

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

Communication is important in many multi-agent reinforcement learning (MARL) problems for agents to share information and make good decisions. However, when deploying trained communicative agents in a real-world application where noise and…

Machine Learning · Computer Science 2022-07-05 Yanchao Sun , Ruijie Zheng , Parisa Hassanzadeh , Yongyuan Liang , Soheil Feizi , Sumitra Ganesh , Furong Huang

In this paper, we study the problem of reinforcement learning in multi-agent systems where communication among agents is limited. We develop a decentralized actor-critic learning framework in which each agent performs several local updates…

Machine Learning · Computer Science 2025-10-23 Xiaoxing Ren , Nicola Bastianello , Thomas Parisini , Andreas A. Malikopoulos

Effective communication is required for teams of robots to solve sophisticated collaborative tasks. In practice it is typical for both the encoding and semantics of communication to be manually defined by an expert; this is true regardless…

Robotics · Computer Science 2019-03-27 James Paulos , Steven W. Chen , Daigo Shishika , Vijay Kumar

The literature in modern machine learning has only negative results for learning to communicate between competitive agents using standard RL. We introduce a modified sender-receiver game to study the spectrum of partially-competitive…

Machine Learning · Computer Science 2021-01-26 Michael Noukhovitch , Travis LaCroix , Angeliki Lazaridou , Aaron Courville

Robust coordination is critical for effective decision-making in multi-agent systems, especially under partial observability. A central question in Multi-Agent Reinforcement Learning (MARL) is whether to engineer communication protocols or…

Multiagent Systems · Computer Science 2025-11-25 Brennen A. Hill , Mant Koh En Wei , Thangavel Jishnuanandh

In a multi-agent system, agents can cooperatively learn a model from data by exchanging their estimated model parameters, without the need to exchange the locally available data used by the agents. This strategy, often called federated…

Machine Learning · Computer Science 2023-05-09 Halil Yigit Oksuz , Fabio Molinari , Henning Sprekeler , Jörg Raisch

Communication lays the foundation for human cooperation. It is also crucial for multi-agent cooperation. However, existing work focuses on broadcast communication, which is not only impractical but also leads to information redundancy that…

Machine Learning · Computer Science 2021-04-30 Ziluo Ding , Tiejun Huang , Zongqing Lu