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Millimeter-wave (mmWave) and terahertz (THz) communication systems typically deploy large antenna arrays to guarantee sufficient receive signal power. The beam training overhead associated with these arrays, however, make it hard for these…

信号处理 · 电气工程与系统科学 2022-05-25 Gouranga Charan , Andrew Hredzak , Christian Stoddard , Benjamin Berrey , Madhav Seth , Hector Nunez , Ahmed Alkhateeb

Deep reinforcement learning (DRL) algorithms have recently gained wide attention in the wireless networks domain. They are considered promising approaches for solving dynamic radio resource management (RRM) problems in next-generation…

网络与互联网体系结构 · 计算机科学 2022-09-29 Ahmad M. Nagib , Hatem Abou-zeid , Hossam S. Hassanein

Recently, the reconfigurable intelligent surface (RIS), benefited from the breakthrough on the fabrication of programmable meta-material, has been speculated as one of the key enabling technologies for the future six generation (6G)…

信息论 · 计算机科学 2022-06-23 Chongwen Huang , Ronghong Mo , Chau Yuen

Wireless network optimization has been becoming very challenging as the problem size and complexity increase tremendously, due to close couplings among network entities with heterogeneous service and resource requirements. By continuously…

信息论 · 计算机科学 2020-01-29 Shimin Gong , Yutong Xie , Jing Xu , Dusit Niyato , Ying-Chang Liang

Vehicle tracking has become one of the key applications of wireless sensor networks (WSNs) in the fields of rescue, surveillance, traffic monitoring, etc. However, the increased tracking accuracy requires more energy consumption. In this…

系统与控制 · 电气工程与系统科学 2020-02-25 Jun Li , Zhichao Xing , Weibin Zhang , Yan Lin , Feng Shu

Localization is expected to play a significant role in future wireless networks as positioning and situational awareness, navigation and tracking, are integral parts of 6G usage scenarios. Nevertheless, in many cases localization requires…

信号处理 · 电气工程与系统科学 2024-10-02 Giorgos Stratidakis , Sotiris Droulias , Angeliki Alexiou

Channel knowledge map (CKM) emerges as a promising framework to acquire location-specific channel information without consuming wireless resources, creating new horizons for advanced wireless network design and optimization. Despite its…

信息论 · 计算机科学 2025-12-01 Xu Shi , Haohan Wang , Yashuai Cao , Hengyu Zhang , Sufang Yang , Jintao Wang

This paper introduces a Multi-Agent Deep Reinforcement Learning (MA-DRL) approach for routing in Low Earth Orbit Satellite Constellations (LSatCs). Each satellite is an independent decision-making agent with a partial knowledge of the…

机器学习 · 计算机科学 2024-07-09 Federico Lozano-Cuadra , Beatriz Soret

This paper addresses the efficient management of Mobile Access Points (MAPs), which are Unmanned Aerial Vehicles (UAV), in 5G networks. We propose a two-level hierarchical architecture, which dynamically reconfigures the network while…

网络与互联网体系结构 · 计算机科学 2023-07-14 Esteban Catté , Mohamed Sana , Mickael Maman

Deploying ultra-dense networks that operate on millimeter wave (mmWave) band is a promising way to address the tremendous growth on mobile data traffic. However, one key challenge of ultra-dense mmWave network (UDmmN) is beam management due…

信息论 · 计算机科学 2022-11-01 Qing Xue , Yi-Jing Liu , Yao Sun , Jian Wang , Li Yan , Gang Feng , Shaodan Ma

Reconfigurable intelligent surface (RIS) technology is receiving significant attention as a key enabling technology for 6G communications, with much attention given to coverage infill and wireless power transfer. However, relatively little…

信号处理 · 电气工程与系统科学 2023-12-27 Wei Wang , Peizheng Li , Angela Doufexi , Mark A Beach

Accurate and ubiquitous localization is crucial for a variety of applications such as logistics, navigation, intelligent transport, monitoring, control, and also for the benefit of communications. Exploiting millimeter-wave (mmWave) signals…

信号处理 · 电气工程与系统科学 2022-12-02 Mohammad A. Nazari , Gonzalo Seco-Granados , Pontus Johannisson , Henk Wymeersch

In this paper, we tackle the task of adaptive time allocation in integrated sensing and communication systems equipped with radar and communication units. The dual-functional radar-communication system's task involves allocating dwell times…

机器学习 · 计算机科学 2025-06-27 Ziyang Lu , M. Cenk Gursoy , Chilukuri K. Mohan , Pramod K. Varshney

In the past few years, Deep Reinforcement Learning (DRL) has become a valuable solution to automatically learn efficient resource management strategies in complex networks. In many scenarios, the learning task is performed in the Cloud,…

网络与互联网体系结构 · 计算机科学 2022-12-01 Seyyidahmed Lahmer , Federico Chiariotti , Andrea Zanella

Autonomous navigation capabilities play a critical role in service robots operating in environments where human interactions are pivotal, due to the dynamic and unpredictable nature of these environments. However, the variability in human…

机器人学 · 计算机科学 2024-04-09 Mannan Saeed Muhammad , Estrella Montero

Integrated sensing and communication (ISAC) has been regarded as a key technology for 6G wireless communications, in which large-scale multiple input and multiple output (MIMO) array with higher and wider frequency bands will be adopted.…

信号处理 · 电气工程与系统科学 2023-09-26 Hongliang Luo , Feifei Gao , Wanmai Yuan , Shun Zhang

In this paper, the problem of the trajectory design for a group of energy-constrained drones operating in dynamic wireless network environments is studied. In the considered model, a team of drone base stations (DBSs) is dispatched to…

机器学习 · 计算机科学 2020-12-08 Ye Hu , Mingzhe Chen , Walid Saad , H. Vincent Poor , Shuguang Cui

The high demand for data rate in the next generation of wireless communication could be ensured by Non-Orthogonal Multiple Access (NOMA) approach in the millimetre-wave (mmW) frequency band. Joint power allocation and beamforming of…

信号处理 · 电气工程与系统科学 2022-05-16 Abbas Akbarpour-Kasgari , Mehrdad Ardebilipour

A resource-constrained unmanned aerial vehicle (UAV) can be used as a flying LoRa gateway (GW) to move inside the target area for efficient data collection and LoRa resource management. In this work, we propose deep reinforcement learning…

网络与互联网体系结构 · 计算机科学 2023-12-05 Mohammed Jouhari , Khalil Ibrahimi , Jalel Ben Othman , El Mehdi Amhoud

Deep Reinforcement Learning (DRL) is a key machine learning technology driving progress across various scientific and engineering fields, including wireless communication. However, its limited interpretability and generalizability remain…

机器学习 · 计算机科学 2025-07-31 Atefeh Termehchi , Ekram Hossain , Isaac Woungang