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Deep reinforcement learning for multi-agent cooperation and competition has been a hot topic recently. This paper focuses on cooperative multi-agent problem based on actor-critic methods under local observations settings. Multi agent deep…

Artificial Intelligence · Computer Science 2017-10-04 Xiangxiang Chu , Hangjun Ye

This paper presents a novel deep reinforcement learning-based resource allocation technique for the multi-agent environment presented by a cognitive radio network that coexists through underlay dynamic spectrum access (DSA) with a primary…

Networking and Internet Architecture · Computer Science 2020-03-09 Ankita Tondwalkar , Dr Andres Kwasinski

Pronounced variability due to the growth of renewable energy sources, flexible loads, and distributed generation is challenging residential distribution systems. This context, motivates well fast, efficient, and robust reactive power…

Systems and Control · Electrical Eng. & Systems 2019-10-31 Qiuling Yang , Alireza Sadeghi , Gang Wang , Georgios B. Giannakis , Jian Sun

In this paper, we consider a cognitive multi-hop relay secondary user (SU) system sharing the spectrum with some primary users (PU). The transmit power as well as the hop selection of the cognitive relays can be dynamically adapted…

Information Theory · Computer Science 2013-08-01 Liangzhong Ruan , Vincent K. N. Lau

Classical antenna selection schemes require instantaneous channel state information (CSI). This leads to high signaling overhead in the system. This work proposes a novel joint receive antenna selection and precoding scheme for multiuser…

Signal Processing · Electrical Eng. & Systems 2022-12-29 Chongjun Ouyang , Ali Bereyhi , Saba Asaad , Ralf R. Müller , Hongwen Yang

In frequency division duplex mode, the downlink channel state information (CSI) should be sent to the base station through feedback links so that the potential gains of a massive multiple-input multiple-output can be exhibited. However,…

Information Theory · Computer Science 2018-04-24 Chao-Kai Wen , Wan-Ting Shih , Shi Jin

In this paper, the problem of determining the capacity of a communication channel is formulated as a cooperative game, between a generator and a discriminator, that is solved via deep learning techniques. The task of the generator is to…

Information Theory · Computer Science 2023-05-24 Nunzio A. Letizia , Andrea M. Tonello , H. Vincent Poor

The challenging applications envisioned for the future Internet of Things networks are making it urgent to develop fast and scalable resource allocation algorithms able to meet the stringent reliability and latency constraints typical of…

Networking and Internet Architecture · Computer Science 2025-03-03 Federico Librino , Paolo Santi

We consider energy-efficient multi-user hybrid downlink beamforming (BF) and power allocation under imperfect channel state information (CSI) and probabilistic outage constraints. In this domain, classical optimization methods resort to…

Signal Processing · Electrical Eng. & Systems 2026-01-08 Lukas Schynol , Marius Pesavento

We propose a novel data-driven approach to allocate transmit power for federated learning (FL) over interference-limited wireless networks. The proposed method is useful in challenging scenarios where the wireless channel is changing during…

Machine Learning · Computer Science 2023-12-14 Boning Li , Jake Perazzone , Ananthram Swami , Santiago Segarra

Channel state information (CSI) is of pivotal importance as it enables wireless systems to adapt transmission parameters more accurately, thus improving the system's overall performance. However, it becomes challenging to acquire accurate…

Signal Processing · Electrical Eng. & Systems 2022-08-12 Muhammad Karam Shehzad , Luca Rose , Muhammad Furqan Azam , Mohamad Assaad

This paper presents a two-phase cooperative communication strategy and an optimal power allocation strategy to transmit sensor observations to a fusion center in a large-scale sensor network. Outage probability is used to evaluate the…

Networking and Internet Architecture · Computer Science 2012-08-23 Li Li , Kamesh Namuduri , Shengli Fu

In this paper, relay selection is considered to enhance security of a cooperative system with multiple threshold-selection decode-and-forward (DF) relays. Threshold-selection DF relays are the relays in which a predefined signal-to-noise…

Signal Processing · Electrical Eng. & Systems 2018-03-05 C. Kundu , T. M. N. Ngatched , O. A. Dobre

Learning communication via deep reinforcement learning (RL) or imitation learning (IL) has recently been shown to be an effective way to solve Multi-Agent Path Finding (MAPF). However, existing communication based MAPF solvers focus on…

Robotics · Computer Science 2021-12-24 Ziyuan Ma , Yudong Luo , Jia Pan

Device-to-device (D2D) technology is one of the key research areas in 5G/6G networks, and full-duplex (FD) D2D will further enhance its spectral efficiency (SE). In recent years, deep learning approaches have shown remarkable performance in…

Information Theory · Computer Science 2024-01-11 Xinxin Zhang , Lei Gao

In this paper, we study the resource allocation in D2D underlaying cellular network with uncertain channel state information (CSI). For satisfying the diversity requirements of different users, i.e. the minimum rate requirement for cellular…

Information Theory · Computer Science 2021-05-19 Weihua Wu , Runzi Liu , Qinghai Yang , Tony Q. S. Quek

We study cost-effective communication strategies that can be used to improve the performance of distributed learning systems in resource-constrained environments. For distributed learning in sequential decision making, we propose a new…

Machine Learning · Computer Science 2020-04-15 Udari Madhushani , Naomi Ehrich Leonard

Device-to-device (D2D) spectrum sharing in wireless communications is a challenging non-convex combinatorial optimization problem, involving entangled link scheduling and power control in a large-scale network. The state-of-the-art methods,…

Networking and Internet Architecture · Computer Science 2024-08-20 Zhiwei Shan , Xinping Yi , Le Liang , Chung-Shou Liao , Shi Jin

Reinforcement learning algorithms require a large amount of samples; this often limits their real-world applications on even simple tasks. Such a challenge is more outstanding in multi-agent tasks, as each step of operation is more costly…

Machine Learning · Computer Science 2022-09-05 Yali Du , Chengdong Ma , Yuchen Liu , Runji Lin , Hao Dong , Jun Wang , Yaodong Yang

Distributed resource allocation algorithms differ from centralized methods by relying on locally collected information for resource selection, leading to a low vehicle-to-everything (V2X) communication quality of service (QoS) in…

Systems and Control · Electrical Eng. & Systems 2024-12-19 Taesik Nam , Seungjae Lee , Kiwoong Park , Sunbeom Kwon , Nathan Jeong , Han-Shin Jo , Jong-Gwan Yook