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We consider a scenario where an UAV-mounted flying base station is providing data communication services to a number of radio nodes spread over the ground. We focus on the problem of resource-constrained UAV trajectory design with (i)…

信息论 · 计算机科学 2018-11-05 Omid Esrafilian , Rajeev Gangula , David Gesbert

This paper proposes a novel approach based on deep reinforcement learning (DRL) for the 2D+1 packing problem with spatial constraints. This problem is an extension of the traditional 2D packing problem, incorporating an additional…

机器学习 · 计算机科学 2025-03-25 Victor Ulisses Pugliese , Oséias F. de A. Ferreira , Fabio A. Faria

In this paper, we present a comprehensive, in-depth survey of the literature on reinforcement learning approaches to decision optimization problems in a typical ridesharing system. Papers on the topics of rideshare matching, vehicle…

机器学习 · 计算机科学 2022-10-25 Zhiwei Qin , Hongtu Zhu , Jieping Ye

This paper addresses the challenge of edge caching in dynamic environments, where rising traffic loads strain backhaul links and core networks. We propose a Proximal Policy Optimization (PPO)-based caching strategy that fully incorporates…

网络与互联网体系结构 · 计算机科学 2024-11-18 Farnaz Niknia , Ping Wang

Proximal Policy Optimization (PPO) is a widely used reinforcement learning algorithm that heavily relies on accurate advantage estimates for stable and efficient training. However, raw advantage signals can exhibit significant variance,…

机器学习 · 计算机科学 2025-05-22 Soham Sane

In the past decade, Unmanned Aerial Vehicles (UAVs) have grabbed the attention of researchers in academia and industry for their potential use in critical emergency applications, such as providing wireless services to ground users and…

机器学习 · 计算机科学 2024-01-23 Marwan Dhuheir , Aiman Erbad , Ala Al-Fuqaha

This article addresses the problem of Ultra Reliable Low Latency Communications (URLLC) in wireless networks, a framework with particularly stringent constraints imposed by many Internet of Things (IoT) applications from diverse sectors. We…

网络与互联网体系结构 · 计算机科学 2023-08-29 Benoît-Marie Robaglia , Marceau Coupechoux , Dimitrios Tsilimantos

Industry is rapidly moving towards fully autonomous and interconnected systems that can detect and adapt to changing conditions, including machine hardware faults. Traditional methods for adding hardware fault tolerance to machines involve…

机器学习 · 计算机科学 2024-07-23 Sheila Schoepp , Mehran Taghian , Shotaro Miwa , Yoshihiro Mitsuka , Shadan Golestan , Osmar Zaïane

Learner Performance-based Behavior using Simulated Annealing (LPBSA) is an improvement of the Learner Performance-based Behavior (LPB) algorithm. LPBSA, like LPB, has been proven to deal with single and complex problems. Simulated Annealing…

神经与进化计算 · 计算机科学 2025-01-30 Dana Rasul Hamad , Tarik A. Rashid

This paper addresses, for the first time, the uplink performance optimization of multi-user pinching-antenna (PA) systems, recently developed for next-generation wireless networks. By leveraging the unique capabilities of PAs to dynamically…

Reinforcement learning is a subfield of machine learning that is having a huge impact in the different conventional disciplines, including physical sciences. Here, we show how reinforcement learning methods can be applied to solve…

The performance of modern reinforcement learning algorithms critically relies on tuning ever-increasing numbers of hyperparameters. Often, small changes in a hyperparameter can lead to drastic changes in performance, and different…

机器学习 · 计算机科学 2025-02-05 Jacob Adkins , Michael Bowling , Adam White

In the wake of the highly electrified future ahead of us, the role of energy storage is crucial wherever distributed generation is abundant, such as in microgrid settings. Given the variety of storage options that are becoming more and more…

机器学习 · 计算机科学 2021-03-26 S. Tsianikas , N. Yousefi , J. Zhou , M. Rodgers , D. W. Coit

Quantum repeaters play a crucial role in the effective distribution of entanglement over long distances. The nearest-future type of quantum repeater requires two operations: entanglement generation across neighbouring repeaters and…

量子物理 · 物理学 2025-08-26 Jan Li , Tim Coopmans , Patrick Emonts , Kenneth Goodenough , Jordi Tura , Evert van Nieuwenburg

A self-learning adaptive system (SLAS) uses machine learning to enable and enhance its adaptability. Such systems are expected to perform well in dynamic situations. For learning high-performance adaptation policy, some assumptions must be…

软件工程 · 计算机科学 2021-05-12 Mingyue Zhang , Jialong Li , Haiyan Zhao , Kenji Tei , Shinichi Honiden , Zhi Jin

Aligning large language models (LLMs) with human preferences is critical for real-world deployment, yet existing methods like RLHF face computational and stability challenges. While DPO establishes an offline paradigm with single…

机器学习 · 计算机科学 2025-10-28 Junkang Wu , Kexin Huang , Xue Wang , Jinyang Gao , Bolin Ding , Jiancan Wu , Xiangnan He , Xiang Wang

Optimal resource allocation in modern communication networks calls for the optimization of objective functions that are only accessible via costly separate evaluations for each candidate solution. The conventional approach carries out the…

信号处理 · 电气工程与系统科学 2023-05-22 Yunchuan Zhang , Osvaldo Simeone , Sharu Theresa Jose , Lorenzo Maggi , Alvaro Valcarce

In this paper, we investigate sequential power allocation over fast varying channels for mission-critical applications, aiming to minimize the expected sum power while guaranteeing the transmission success probability. In particular, a…

信息论 · 计算机科学 2023-06-09 Chongtao Guo , Zhengchao Li , Le Liang , Geoffrey Ye Li

Future telecommunication systems are expected to co-exist with different backhauling nodes such as terrestrial or satellite systems. Satellite connectivity can add flexibility to backhauling networks and provide an alternative route for…

网络与互联网体系结构 · 计算机科学 2019-11-14 Engin Zeydan , Yekta Turk

This letter explores how pinching antennas, an advanced flexible-antenna system, can enhance the performance of integrated sensing and communication (ISAC) systems by leveraging their adaptability, cost-effectiveness, and ability to…

系统与控制 · 电气工程与系统科学 2025-03-18 Yunhui Qin , Yaru Fu , Haijun Zhang