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In Decentralized Multi-Agent Reinforcement Learning (MARL), the development of Emergent Communication has long been constrained by the ``Joint Exploration Dilemma'', leading agents to fall into a ``Communication Vacuum Equilibrium'' .…

Artificial Intelligence · Computer Science 2025-07-16 Hung Ming Liu

Task-oriented semantic communication (SemCom) prioritizes task execution over accurate symbol reconstruction and is well-suited to emerging intelligent applications. Cooperative multi-task SemCom (CMT-SemCom) further improves task execution…

Signal Processing · Electrical Eng. & Systems 2026-01-27 Ahmad Halimi Razlighi , Pallavi Dhingra , Edgar Beck , Bho Matthiesen , Armin Dekorsy

In this work, we introduce a novel perspective, i.e., dimensional analysis, to address the challenge of communication efficiency in Multi-Agent Reinforcement Learning (MARL). Our findings reveal that simply optimizing the content and timing…

Multiagent Systems · Computer Science 2025-05-20 Chuxiong Sun , Peng He , Rui Wang , Changwen Zheng

Stochastic games are a popular framework for studying multi-agent reinforcement learning (MARL). Recent advances in MARL have focused primarily on games with finitely many states. In this work, we study multi-agent learning in stochastic…

Machine Learning · Computer Science 2024-03-28 Awni Altabaa , Bora Yongacoglu , Serdar Yüksel

In this paper, we investigate a cell-free massive multiple-input multiple-output system, which exhibits great potential in enhancing the capabilities of next-generation mobile communication networks. We first study the distributed…

Information Theory · Computer Science 2024-10-08 Ziheng Liu , Jiayi Zhang , Enyu Shi , Yiyang Zhu , Derrick Wing Kwan Ng , Bo Ai

In multi-agent reinforcement learning (MARL), the Centralized Training with Decentralized Execution (CTDE) framework is pivotal but struggles due to a gap: global state guidance in training versus reliance on local observations in…

Artificial Intelligence · Computer Science 2024-08-26 Pu Feng , Junkang Liang , Size Wang , Xin Yu , Xin Ji , Yiting Chen , Kui Zhang , Rongye Shi , Wenjun Wu

A central problem in the theory of multi-agent reinforcement learning (MARL) is to understand what structural conditions and algorithmic principles lead to sample-efficient learning guarantees, and how these considerations change as we move…

Machine Learning · Computer Science 2023-05-02 Dylan J. Foster , Dean P. Foster , Noah Golowich , Alexander Rakhlin

In edge computing systems, autonomous agents must make fast local decisions while competing for shared resources. Existing MARL methods often resume to centralized critics or frequent communication, which fail under limited observability…

Machine Learning · Computer Science 2025-10-24 Andrea Fox , Francesco De Pellegrini , Eitan Altman

In this paper, we explore various multi-agent reinforcement learning (MARL) techniques to design grant-free random access (RA) schemes for low-complexity, low-power battery operated devices in massive machine-type communication (mMTC)…

Information Theory · Computer Science 2023-02-16 Muhammad Awais Jadoon , Adriano Pastore , Monica Navarro , Alvaro Valcarce

Reinforcement learning (RL) algorithms can find an optimal policy for a single agent to accomplish a particular task. However, many real-world problems require multiple agents to collaborate in order to achieve a common goal. For example, a…

Machine Learning · Computer Science 2025-10-20 Jan Corazza , Hadi Partovi Aria , Hyohun Kim , Daniel Neider , Zhe Xu

Recent studies in multi-agent communicative reinforcement learning (MACRL) have demonstrated that multi-agent coordination can be greatly improved by allowing communication between agents. Meanwhile, adversarial machine learning (ML) has…

Machine Learning · Computer Science 2022-01-27 Wanqi Xue , Wei Qiu , Bo An , Zinovi Rabinovich , Svetlana Obraztsova , Chai Kiat Yeo

In recent advancements in Multi-agent Reinforcement Learning (MARL), its application has extended to various safety-critical scenarios. However, most methods focus on online learning, which presents substantial risks when deployed in…

Artificial Intelligence · Computer Science 2024-10-01 Jianuo Huang

In the real world, people/entities usually find matches independently and autonomously, such as finding jobs, partners, roommates, etc. It is possible that this search for matches starts with no initial knowledge of the environment. We…

Machine Learning · Computer Science 2021-12-07 Kshitija Taywade , Judy Goldsmith , Brent Harrison

The emergence of Large Language Models (LLMs) is rapidly accelerating the development of autonomous multi-agent systems (MAS), paving the way for the Internet of Agents. However, traditional centralized MAS architectures present significant…

Multiagent Systems · Computer Science 2025-12-03 Yepeng Ding , Ahmed Twabi , Junwei Yu , Lingfeng Zhang , Tohru Kondo , Hiroyuki Sato

We introduce hybrid execution in multi-agent reinforcement learning (MARL), a new paradigm in which agents aim to successfully complete cooperative tasks with arbitrary communication levels at execution time by taking advantage of…

Machine Learning · Computer Science 2023-06-06 Pedro P. Santos , Diogo S. Carvalho , Miguel Vasco , Alberto Sardinha , Pedro A. Santos , Ana Paiva , Francisco S. Melo

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

Large language models (LLM) have become a critical component in many applications of machine learning. However, standard approaches to training LLM require a large number of tightly interconnected accelerators, with devices exchanging…

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

Given a network, allocating resources at clusters level, rather than at each node, enhances efficiency in resource allocation and usage. In this paper, we study the problem of finding fully connected disjoint clusters to minimize the…

Machine Learning · Computer Science 2024-02-16 Benedikt Schesch , Marco Caserta

We study multi-agent reinforcement learning (MARL) with centralized training and decentralized execution. During the training, new agents may join, and existing agents may unexpectedly leave the training. In such situations, a standard deep…

Machine Learning · Computer Science 2022-08-05 Xuting Tang , Jia Xu , Shusen Wang