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A novel LEarning-based Spectrum Sensing and Access (LESSA) framework is proposed, wherein a cognitive radio (CR) learns a time-frequency correlation model underlying spectrum occupancy of licensed users (LUs) in a radio ecosystem;…

Signal Processing · Electrical Eng. & Systems 2021-07-16 Bharath Keshavamurthy , Nicolo Michelusi

In this paper, we consider the use of radio environment maps (REMs) in vehicular dynamic spectrum access (VDSA) for vehicle platooning applications. We propose an algorithm that dynamically allocates the frequency bands and transmission…

Networking and Internet Architecture · Computer Science 2021-07-28 Paweł Sroka , Adrian Kliks , Michał Sybis , Paweł Kryszkiewicz

The huge research interest in cellular vehicle-to-everything (C-V2X) communications in recent days is attributed to their ability to schedule multiple access more efficiently as compared to its predecessor technology, i.e., dedicated…

Networking and Internet Architecture · Computer Science 2021-01-27 Seungmo Kim , Byung-Jun Kim , B. Brian Park

We study the problem of medium access control in domain of event-driven wireless sensor networks (WSNs). In this kind of WSN, sensor nodes send data to sink node only when an event occurs in the monitoring area. The nodes in this kind of…

Networking and Internet Architecture · Computer Science 2012-05-22 Rajeev K. Shakya , Yatindra Nath Singh , Nishchal K. Verma

In this work, we address the problem of estimating sparse communication channels in OFDM systems in the presence of carrier frequency offset (CFO) and unknown noise variance. To this end, we consider a convex optimization problem, including…

Information Theory · Computer Science 2013-11-15 Rodrigo Carvajal , Boris I. Godoy , Juan C. Agüero

Next-generation wireless networks will deploy UAVs dynamically as aerial base stations (UAV-BSs) to boost the wireless network coverage in the out of reach areas. To provide an efficient service in stochastic environments, the optimal…

Networking and Internet Architecture · Computer Science 2022-07-29 Shavbo Salehi , Jahan Hassan , Ayub Bokani

This paper discusses an optimization method called Modified Bee Colony algorithm (MBC) based on a particular intelligent behavior of honeybee swarms. The algorithm was checked in a few benchmarks like Shekel, Rozenbroke, Himmelblau and…

Computational Engineering, Finance, and Science · Computer Science 2020-03-06 Vasiliy V. Grigoriev , Oleg Iliev , Petr N. Vabishchevich

A platoon-based driving is a technology allowing vehicles to follow each other at close distances to, e.g., save fuel. However, it requires reliable wireless communications to adjust their speeds. Recent studies have shown that the…

Networking and Internet Architecture · Computer Science 2023-06-29 Marcin Hoffmann , Pawel Kryszkiewicz , Adrian Kliks

Sample-efficient exploration is crucial not only for discovering rewarding experiences but also for adapting to environment changes in a task-agnostic fashion. A principled treatment of the problem of optimal input synthesis for system…

Machine Learning · Computer Science 2019-10-10 Matthias Schultheis , Boris Belousov , Hany Abdulsamad , Jan Peters

In mixed-autonomy traffic networks, autonomous vehicles (AVs) are required to make sequential routing decisions under uncertainty caused by dynamic and heterogeneous interactions with human-driven vehicles (HDVs). Early-stage greedy…

Optimization and Control · Mathematics 2025-05-12 Yu Bai , Yiming Li , Xi Xiong

The quadratic complexity of full attention mechanisms poses a significant bottleneck for Video Diffusion Models (VDMs) aiming to generate long-duration, high-resolution videos. While various sparse attention methods have been proposed, many…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Jianzong Wu , Liang Hou , Haotian Yang , Xin Tao , Ye Tian , Pengfei Wan , Di Zhang , Yunhai Tong

Energy efficient mobility management is an important problem in modern wireless networks with heterogeneous cell sizes and increased nodes densities. We show that optimization-based mobility protocols cannot achieve long-term optimal energy…

Networking and Internet Architecture · Computer Science 2016-08-30 Cong Shen , Cem Tekin , Mihaela van der Schaar

Mobility may degrade the performance of next-generation vehicular networks operating at the millimeter-wave spectrum: frequent mis-alignment and blockages require repeated beam training and handover, and incur enormous overhead.…

Information Theory · Computer Science 2020-09-07 Muddassar Hussain , Maria Scalabrin , Michele Rossi , Nicolo Michelusi

Millimeter-wave (mmWave) networks, integral to 5G communication, offer a vast spectrum that addresses the issue of spectrum scarcity and enhances peak rate and capacity. However, their dense deployment, necessary to counteract propagation…

Signal Processing · Electrical Eng. & Systems 2024-05-16 Saad Masrur , Ismail Guvenc , David Lopez-Perez

Beam prediction is critical for reducing beam-training overhead in millimeter-wave (mmWave) systems, especially in high-mobility vehicular scenarios. This paper presents a BEV-Fusion based framework that unifies camera, LiDAR, radar, and…

Signal Processing · Electrical Eng. & Systems 2026-04-08 Jiaming Zeng , Cunhua Pan , Haoyang Weng , Ruijing Liu , Hong Ren , Jiangzhou Wang

Robust beamforming is a pivotal technique in massive multiple-input multiple-output (MIMO) systems as it mitigates interference among user equipment (UE). One current risk-neutral approach to robust beamforming is the stochastic weighted…

Applications · Statistics 2024-04-10 Ying Li , Zhidi Lin , Kai Li , Michael Minyi Zhang

Contemporary distribution network can be seen with diverse dispatchable and non-dispatchable energy resources. The coordinated scheduling of these dispatchable resources with non-dispatchable resources can provide several techno-economic…

Systems and Control · Electrical Eng. & Systems 2023-07-04 Rayees Ahmad Thokar , Nikhil Gupta , K. R. Niazi , Anil Swarnkar , Nand K. Meena , Jin Yang

The strength of carrier-sense multiple access with collision avoidance (CSMA/CA) can be combined with that of time-division multiple access (TDMA) to enhance the channel access performance in wireless networks such as the IEEE…

Networking and Internet Architecture · Computer Science 2016-11-18 Bharat Shrestha , Ekram Hossain , Kae Won Choi

Dynamic metasurface antennas (DMAs) are an alternative application of metasurfaces as active reconfigurable antennas with advanced analog signal processing and beamforming capabilities, which have been proposed to replace conventional…

Information Theory · Computer Science 2024-09-17 Nemanja Stefan Perović

With the widespread adoption of unmanned aerial vehicles (UAV), effective path planning has become increasingly important. Although traditional search methods have been extensively applied, metaheuristic algorithms have gained popularity…

Robotics · Computer Science 2025-11-13 Mingyang Yu , Haorui Yang , Kangning An , Xinjian Wei , Xiaoxuan Xu , Jing Xu