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Grant-free non-orthogonal multiple access has been regarded as a viable approach to accommodate access for a massive number of machine-type devices with small data packets. The sporadic activation of the devices creates a multiuser setup…

信号处理 · 电气工程与系统科学 2023-05-15 Yanna Bai , Wei Chen , Bo Ai , Petar Popovski

Using large datasets in machine learning has led to outstanding results, in some cases outperforming humans in tasks that were believed impossible for machines. However, achieving human-level performance when dealing with physically…

机器人学 · 计算机科学 2023-02-08 Alberto Giammarino , Juan M. Gandarias , Arash Ajoudani

Reconfigurable intelligent surfaces (RISs) can potentially combat jamming attacks by diffusing jamming signals. This paper jointly optimizes user selection, channel allocation, modulation-coding, and RIS configuration in a multiuser OFDMA…

信息论 · 计算机科学 2023-01-23 Xin Yuan , Shuyan Hu , Wei Ni , Ren Ping Liu , Xin Wang

Reinforcement learning (RL) has proved to have a promising role in future intelligent wireless networks. Online RL has been adopted for radio resource management (RRM), taking over traditional schemes. However, due to its reliance on online…

机器学习 · 计算机科学 2025-01-24 Eslam Eldeeb , Hirley Alves

In this work we propose a reinforcement learning (RL) framework that controls the density of a large-scale swarm for engaging with adversarial swarm attacks. Although there is a significant amount of existing work in applying artificial…

机器人学 · 计算机科学 2022-10-18 Umut Demir , Nazim Kemal Ure

Large Language Models (LLMs) remain vulnerable to jailbreak attacks, which attempt to elicit harmful responses from LLMs. The evolving nature and diversity of these attacks pose many challenges for defense systems, including (1) adaptation…

密码学与安全 · 计算机科学 2025-11-04 Guangyu Yang , Jinghong Chen , Jingbiao Mei , Weizhe Lin , Bill Byrne

In light of the quick proliferation of Internet of things (IoT) devices and applications, fog radio access network (Fog-RAN) has been recently proposed for fifth generation (5G) wireless communications to assure the requirements of…

网络与互联网体系结构 · 计算机科学 2019-01-17 Almuthanna T. Nassar , Yasin Yilmaz

This article explores the concepts of online protocol synthesis using Reinforcement Learning (RL). The study is performed in the context of sensor and IoT networks with ultra low complexity wireless transceivers. The paper introduces the…

网络与互联网体系结构 · 计算机科学 2023-02-13 Hrishikesh Dutta , Amit Kumar Bhuyan , Subir Biswas

Global navigation satellite system (GNSS) interference poses a serious threat to reliable positioning, especially in indoor and multipath-rich environments where source localization is highly challenging. In this paper, we formulate GNSS…

Deep reinforcement learning (DRL) has recently been used to perform efficient resource allocation in wireless communications. In this paper, the vulnerabilities of such DRL agents to adversarial attacks is studied. In particular, we…

机器学习 · 计算机科学 2021-05-13 Feng Wang , M. Cenk Gursoy , Senem Velipasalar

Low latency communication is one of the fundamental requirements for 5G wireless networks and beyond. In this paper, a novel approach for joint caching, user scheduling and resource allocation is proposed for minimizing the queuing latency…

网络与互联网体系结构 · 计算机科学 2023-09-22 Tamoor-ul-Hassan Syed , Samarakoon Sumudu , Bennis Mehdi , Matti Latva-aho

Despite recent advances in applying large language models (LLMs) and machine learning (ML) techniques to open radio access network (O-RAN), critical challenges remain, such as insufficient cooperation between radio access network (RAN)…

网络与互联网体系结构 · 计算机科学 2026-03-02 Lingyan Bao , Sinwoong Yun , Jemin Lee , Tony Q. S. Quek

This paper investigates the problem of joint massive devices separation and channel estimation for a reconfigurable intelligent surface (RIS)-aided unsourced random access (URA) scheme in the sixth-generation (6G) wireless networks. In…

信息论 · 计算机科学 2021-08-26 Xiaodan Shao , Lei Cheng , Xiaoming Chen , Chongwen Huang , Derrick Wing Kwan Ng

The 6G network enables a subnetwork-wide evolution, resulting in a "network of subnetworks". However, due to the dynamic mobility of wireless subnetworks, the data transmission of intra-subnetwork and inter-subnetwork will inevitably…

网络与互联网体系结构 · 计算机科学 2022-05-11 Xiao Du , Ting Wang , Qiang Feng , Chenhui Ye , Tao Tao , Yuanming Shi , Mingsong Chen

As Network-on-Chip (NoC) and Wireless Sensor Network architectures continue to scale, the topology of the underlying network becomes a critical factor in performance. Gaussian Interconnected Networks based on the arithmetic of Gaussian…

分布式、并行与集群计算 · 计算机科学 2025-12-24 Mohammad Walid Charrwi , Zaid Hussain

We consider the problem of dynamic spectrum access for network utility maximization in multichannel wireless networks. The shared bandwidth is divided into K orthogonal channels. In the beginning of each time slot, each user selects a…

网络与互联网体系结构 · 计算机科学 2018-11-06 Oshri Naparstek , Kobi Cohen

We introduce Random Reward Perturbation (RRP), a novel exploration strategy for reinforcement learning (RL). Our theoretical analyses demonstrate that adding zero-mean noise to environmental rewards effectively enhances policy diversity…

机器学习 · 计算机科学 2025-06-11 Haozhe Ma , Guoji Fu , Zhengding Luo , Jiele Wu , Tze-Yun Leong

The highly heterogeneous ecosystem of Next Generation (NextG) wireless communication systems calls for novel networking paradigms where functionalities and operations can be dynamically and optimally reconfigured in real time to adapt to…

网络与互联网体系结构 · 计算机科学 2023-09-12 Maria Tsampazi , Salvatore D'Oro , Michele Polese , Leonardo Bonati , Gwenael Poitau , Michael Healy , Tommaso Melodia

Active Reconfigurable Intelligent Surfaces (RIS) are a promising technology for 6G wireless networks. This paper investigates a novel hybrid deep reinforcement learning (DRL) framework for resource allocation in a multi-user uplink system…

信号处理 · 电气工程与系统科学 2025-12-29 Mohamed Shalma , Engy Aly Maher , Ahmed El-Mahdy

To integrate into human-centered environments, autonomous agents must learn from and adapt to humans in their native settings. Preference-based reinforcement learning (PbRL) can enable this by learning reward functions from human…