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Millimeter-wave (mmWave) base station can offer abundant high capacity channel resources toward connected vehicles so that quality-of-service (QoS) of them in terms of downlink throughput can be highly improved. The mmWave base station can…

Signal Processing · Electrical Eng. & Systems 2020-01-09 Dohyun Kwon , Joongheon Kim

The millimeter wave (mmWave) multiuser multiple-input multiple-output (MU-MIMO) systems with discrete lens arrays (DLA) have received great attention due to their simple hardware implementation and excellent performance. In this work, we…

Information Theory · Computer Science 2021-01-06 Qiyu Hu , Yanzhen Liu , Yunlong Cai , Guanding Yu , Zhi Ding

5G and beyond networks need to provide dynamic and efficient infrastructure management to better adapt to time-varying user behaviors (e.g., user mobility, interference, user traffic and evolution of the network topology). In this paper, we…

Networking and Internet Architecture · Computer Science 2023-03-15 Esteban Catté , Mohamed Sana , Mickael Maman

As the next generation of mobile systems evolves, artificial intelligence (AI) is expected to deeply integrate with wireless communications for resource management in variable environments. In particular, deep reinforcement learning (DRL)…

Signal Processing · Electrical Eng. & Systems 2024-10-15 Jie Zhang , Jun Li , Long Shi , Zhe Wang , Shi Jin , Wen Chen , H. Vincent Poor

Communication at millimeter wave (mmWave) bands is expected to become a key ingredient of next generation (5G) wireless networks. Effective mmWave communications require fast and reliable methods for beamforming at both the User Equipment…

Information Theory · Computer Science 2018-06-19 Xiaoshen Song , Saeid Haghighatshoar , Giuseppe Caire

Position-aided beam selection methods have been shown to be an effective approach to achieve high beamforming gain while limiting the overhead and latency of initial access in millimeter wave (mmWave) communications. Most research in the…

Signal Processing · Electrical Eng. & Systems 2021-10-14 Sajad Rezaie , Elisabeth de Carvalho , Carles Navarro Manchón

The advent of fifth generation (5G) networks has opened new avenues for enhancing connectivity, particularly in challenging environments like remote areas or disaster-struck regions. Unmanned aerial vehicles (UAVs) have been identified as a…

Networking and Internet Architecture · Computer Science 2023-12-25 Yuhui Wang , Junaid Farooq

Highly directional millimeter wave (mmWave) radios need to perform beam management to establish and maintain reliable links. To do so, existing solutions mostly rely on explicit coordination between the transmitter (TX) and the receiver…

Networking and Internet Architecture · Computer Science 2021-06-09 Michele Polese , Francesco Restuccia , Tommaso Melodia

Ultra-Reliable and Low-Latency Communications (URLLC) services in vehicular networks on millimeter-wave bands present a significant challenge, considering the necessity of constantly adjusting the beam directions. Conventional methods are…

Information Theory · Computer Science 2020-02-14 Yan Liu , Zhiyuan Jiang , Shunqing Zhang , Shugong Xu

In the advent of next-generation wireless communication, millimeter-wave (mmWave) and terahertz (THz) technologies are pivotal for their high data rate capabilities. However, their reliance on large antenna arrays and narrow directive beams…

Signal Processing · Electrical Eng. & Systems 2024-12-09 Gouranga Charan , Ahmed Alkhateeb

The deployment of unmanned aerial vehicles (UAVs) in many different settings has provided various solutions and strategies for networking paradigms. Therefore, it reduces the complexity of the developments for the existing problems, which…

Networking and Internet Architecture · Computer Science 2025-02-25 Baris Yamansavascilar , Atay Ozgovde , Cem Ersoy

In this paper, we study an intelligent reflecting surface (IRS)-aided wireless secure communication system for physical layer security, where an IRS is deployed to adjust its surface reflecting elements to guarantee secure communication of…

Signal Processing · Electrical Eng. & Systems 2020-12-25 Helin Yang , Zehui Xiong , Jun Zhao , Dusit Niyato , Liang Xiao , Qingqing Wu

Deep reinforcement learning (DRL) has recently shown its success in tackling complex combinatorial optimization problems. When these problems are extended to multiobjective ones, it becomes difficult for the existing DRL approaches to…

Artificial Intelligence · Computer Science 2022-02-15 Zizhen Zhang , Zhiyuan Wu , Hang Zhang , Jiahai Wang

In this paper, we address the channel access problem in a dynamic wireless environment via meta-reinforcement learning. Spectrum is a scarce resource in wireless communications, especially with the dramatic increase in the number of devices…

Networking and Internet Architecture · Computer Science 2022-01-25 Ziyang Lu , M. Cenk Gursoy

In non-geostationary orbit (NGSO) satellite communication systems, effectively utilizing beam hopping (BH) technology is crucial for addressing uneven traffic demands. However, optimizing beam scheduling and resource allocation in…

Systems and Control · Electrical Eng. & Systems 2025-01-07 Xia Xie , Kexin Fan , Wenfeng Deng , Nikolaos Pappas , Qinyu Zhang

In this work, we consider the problem of network parameter optimization for rate maximization. We frame this as a joint optimization problem of power control, beam forming, and interference cancellation. We consider the setting where…

Machine Learning · Computer Science 2023-11-14 Heasung Kim , Sravan Kumar Ankireddy

Effective traffic control methods have great potential in alleviating network congestion. Existing literature generally focuses on a single control approach, while few studies have explored the effectiveness of integrated and coordinated…

Machine Learning · Computer Science 2023-03-08 Zijian Hu , Wei Ma

Millimeter-wave (mmWave) communication systems face increasing susceptibility to advanced beam-stealing attacks, posing a significant physical layer security threat. This paper introduces a novel framework employing an advanced Deep…

Signal Processing · Electrical Eng. & Systems 2025-08-06 Seyed Bagher Hashemi Natanzi , Hossein Mohammadi , Bo Tang , Vuk Marojevic

Path planning is an important problem with the the applications in many aspects, such as video games, robotics etc. This paper proposes a novel method to address the problem of Deep Reinforcement Learning (DRL) based path planning for a…

Robotics · Computer Science 2024-04-11 Hao Liu , Yi Shen , Shuangjiang Yu , Zijun Gao , Tong Wu

Indoor multi-robot communications face two key challenges: one is the severe signal strength degradation caused by blockages (e.g., walls) and the other is the dynamic environment caused by robot mobility. To address these issues, we…

Robotics · Computer Science 2022-07-19 Ruyu Luo , Wanli Ni , Hui Tian , Julian Cheng