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Because radio spectrum is a finite resource, its usage and sharing is regulated by government agencies. These agencies define policies to manage spectrum allocation and assignment across multiple organizations, systems, and devices. With…

This paper proposes a framework to analyze an emerging wireless architecture where vehicles collect data from devices. Using stochastic geometry, the devices are modeled by a planar Poisson point process. Independently, roads and vehicles…

信息论 · 计算机科学 2019-01-30 Chang-sik Choi , François Baccelli

Vehicular networks, an enabling technology for Intelligent Transportation System (ITS), smart cities, and autonomous driving, can deliver numerous on-board data services, e.g., road-safety, easy navigation, traffic efficiency, comfort…

信息论 · 计算机科学 2020-08-26 Md. Noor-A-Rahim , Zilong Liu , Haeyoung Lee , G. G. Md. Nawaz Ali , Dirk Pesch , Pei Xiao

In this paper, we develop a decentralized resource allocation mechanism for vehicle-to-vehicle (V2V) communications based on deep reinforcement learning, which can be applied to both unicast and broadcast scenarios. According to the…

信息论 · 计算机科学 2018-05-21 Hao Ye , Geoffrey Ye Li , Biing-Hwang Fred Juang

Scheduling plays a pivotal role in multi-user wireless communications, since the quality of service of various users largely depends upon the allocated radio resources. In this paper, we propose a novel scheduling algorithm with contiguous…

网络与互联网体系结构 · 计算机科学 2020-11-30 Shu Sun , Xiaofeng Li

Vehicle platooning facilitates the partial automation of vehicles and can significantly reduce fuel consumption. Mobile communication infrastructure makes it possible to dynamically coordinate the formation of platoons en route. We consider…

系统与控制 · 计算机科学 2016-02-25 Sebastian van de Hoef , Karl H. Johansson , Dimos V. Dimarogonas

The use of real-time software-controlled reconfigurable intelligent surface (RIS) units is proposed to increase the reliability of vehicle-to-everything (V2X) communications. The optimum placement problem of the RIS units is formulated by…

网络与互联网体系结构 · 计算机科学 2020-07-21 Y. Ugur Ozcan , Ozgur Ozdemir , Gunes Karabulut Kurt

Radio frequency (RF) wireless power transfer (WPT) is a promising technology for charging the Internet of Things. Practical RF-WPT systems usually require energy beamforming (EB), which can compensate for the severe propagation loss by…

信号处理 · 电气工程与系统科学 2023-12-19 Amirhossein Azarbahram , Onel L. A. Lopez , Richard D. Souza , Rui Zhang , Matti Latva-Aho

Wireless sensor networks benefit from communication protocols that reduce power requirements by avoiding frame collision. Time Division Media Access methods schedule transmission in slots to avoid collision, however these methods often lack…

分布式、并行与集群计算 · 计算机科学 2007-05-23 T. Herman , S. Tixeuil

We consider device-to-device (D2D) wireless information and power transfer systems using an unmanned aerial vehicle (UAV) as a relay-assisted node. As the energy capacity and flight time of UAVs is limited, a significant issue in deploying…

信息论 · 计算机科学 2018-09-07 Minh-Nghia Nguyen , Long D. Nguyen , Trung Q. Duong , Hoang Duong Tuan

This paper introduces an efficient method for communication resource use in dense wireless areas where all nodes must communicate with a common destination node. The proposed method groups nodes based on their \newt{distance from the…

系统与控制 · 电气工程与系统科学 2022-02-14 Haleh Tabrizi , Borja Peleato , Golnaz Farhadi , John M. Cioffi , Ghadah Aldabbagh

Within the framework of a Device-to-Device (D2D) data offloading system for cellular networks, we propose a Content Delivery Management System (CDMS) in which the instant for transmitting a content to a requesting node, through a D2D…

网络与互联网体系结构 · 计算机科学 2022-05-31 Loreto Pescosolido , Marco Conti , Andrea Passarella

Complementary to traditional approaches that focus on transceiver design for bringing the best out of unstable, lossy fading channels, one radical development in wireless communications that has recently emerged is to pursue a smart radio…

信号处理 · 电气工程与系统科学 2020-05-29 Kai-Kit Wong , Kin-Fai Tong , Zhiyuan Chu , Yangyang Zhang

This paper investigates autonomous vehicle (AV) platoon control under uncertain dynamics and intermittent communication, which remains a critical challenge in intelligent transportation systems. To address these issues, this paper proposes…

系统与控制 · 电气工程与系统科学 2026-01-06 Zihan Li , Ziming Wang , Chenning Liu , Xin Wang

One of the most promising applications of cognitive radio networks (CRNs)is the efficient exploitation of TV white spaces (TVWSs) for enhancing the performance of wireless networks. In this paper, we propose a cross-layer design (CLD) of…

网络与互联网体系结构 · 计算机科学 2014-11-27 Fotis Foukalas , George Karetsos

This paper introduces a novel power allocation and subcarrier optimization algorithm tailored for fixed wireless access (FWA) networks operating under low-rank channel conditions, where the number of subscriber antennas far exceeds those at…

信号处理 · 电气工程与系统科学 2024-10-30 Kamyar Rajabalifardi , Sagnik Bhattacharya , Mehrnaz Afshang , Mohammad Mozaffari , John M. Cioffi

This work demonstrates the potential of deep reinforcement learning techniques for transmit power control in wireless networks. Existing techniques typically find near-optimal power allocations by solving a challenging optimization problem.…

信号处理 · 电气工程与系统科学 2020-09-15 Yasar Sinan Nasir , Dongning Guo

This paper proposes to extend the discrete Verhulst power equilibrium approach, previously suggested in [1], to the power-rate optimal allocation problem. Multirate users associated to different types of traffic are aggregated to distinct…

计算工程、金融与科学 · 计算机科学 2010-12-23 Lucas Dias H. Sampaio , Moisés F. Lima , Mario Lemes Proença , Taufik Abrão

In this paper, we propose a novel directional modulation (DM) scheme based on random frequency diverse arrays with artificial noise (RFDA-DM-AN) to enhance physical layer security of wireless communications. Specifically, we first design…

信息论 · 计算机科学 2016-12-21 Jinsong Hu , Shihao Yan , Feng Shu , Jiangzhou Wang , Jun Li , Yijin Zhang

Dynamic low altitude networks offer significant potential for efficient and reliable data transport via unmanned aerial vehicles (UAVs) relays which usually operate with predetermined trajectories. However, it is challenging to optimize the…

系统与控制 · 电气工程与系统科学 2025-12-23 Bowen Li , Junting Chen